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Karangahape Station Main Works Construction Noise and Vibration Delivery Work Plan

CRL-KRD-RME-LKA-PLN-800021

Revision: Rev 001 Date: Feburary 2020

Construction Noise and Vibration Delivery Work Plan

Karangahape Station Main Works Construction Noise and Vibration Delivery Work Plan CRL-KRD-RME-LKA-PLN-800021 This document is uncontrolled when printed. This document should be printed in colour

Revision Status Revision

Date

Version details

Prepared By

Approved By

Rev A

25/10/2019

Draft for Review

Sharon Yung

Peter Roan

Rev B

06/12/2019

Draft For Peer Review

Sharon Yung

Peter Roan

Rev 000

24/01/2020

Final for submission

Sharon Yung

Peter Roan

Rev 001

21/02/2020

Final

Sharon Yung

Peter Roan

Approval Status Name/Title

Signature

Date

Prepared by:

Sharon Yung Acoustic Engineer

21/02/2020

Reviewed by:

Claire Drewery Technical Director - Acoustics

21/02/2020

Approved by:

Peter Roan Link alliance â€“ Consents Lead

21/02/2020

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Table of contents 1. Introduction ................................................................................................ 5 1.1

Karangahape Station ......................................................................................................... 5

1.2

CNV DWP Staging .............................................................................................................. 6

1.3

Purpose of the CNV DWP................................................................................................... 6

1.4

Relevant Conditions .......................................................................................................... 7

1.5

Sustainability ................................................................................................................... 13

1.6

DWP Review and updates ............................................................................................... 13

1.7

CNV DWP Author ............................................................................................................. 13

2. Karangahape Main Works ......................................................................... 14 2.1

Overview of Works .......................................................................................................... 14

2.1

Hours of Operation .......................................................................................................... 14

2.2

Key Personnel .................................................................................................................. 15

3. Construction Noise and Vibration Criteria ................................................ 16 3.1

Construction Noise Criteria.............................................................................................. 16

3.2

Vibration Criteria – Building Damage .............................................................................. 16

3.3

Vibration Criteria – Amenity ............................................................................................ 17

3.3.1.

Day Time Criteria ...................................................................................................... 17

3.3.2.

Night Time Criteria ................................................................................................... 17

4. Equipment Noise and Vibration Source Data ........................................... 18 4.1

Noise Sources .................................................................................................................. 18

4.2

Vibration Sources ............................................................................................................ 19

5. Affected Parties / Notable Receivers ........................................................ 20 5.1

Noise ............................................................................................................................... 20

5.2

Vibration – Building Damage ........................................................................................... 21

5.3

Site Specific Construction Noise and Vibration Management Plan (SSCNVMP) ............... 22

6. General Management Procedures and Mitigation Measures ................... 23

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6.1

Training ........................................................................................................................... 23

6.2

Construction Vehicles, Traffic and Deliveries ................................................................... 23

6.3

Plant and Equipment ....................................................................................................... 23

6.4

Pneumatic Breakers......................................................................................................... 24

6.5

Piling and Compaction ..................................................................................................... 25

6.6

Noise Barriers and Enclosures ......................................................................................... 25

6.7

Tunnel Mining Works ...................................................................................................... 26

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Construction Noise and Vibration Delivery Work Plan 6.8

Traffic Tyre Noise............................................................................................................. 26

6.9

Scheduling of Activities ................................................................................................... 26

7. Communication ......................................................................................... 27 7.1

Communication ............................................................................................................... 27

7.1.1.

Notable and Sensitive Receivers ............................................................................... 27

7.1.2.

Engagement Methods .............................................................................................. 27

7.2

Complaints Procedure ..................................................................................................... 28

8. Monitoring ................................................................................................ 29 8.1

Noise ............................................................................................................................... 29

8.2

Vibration ......................................................................................................................... 31

8.3

Reporting......................................................................................................................... 33

8.4

Building Condition Surveys .............................................................................................. 33

9. Contingency Measures .............................................................................. 34 9.1

Management Process ...................................................................................................... 34

9.2

Noise ............................................................................................................................... 34

9.3

Vibration â€“ Building Damage ........................................................................................... 34

9.4

Vibration â€“ Amenity ........................................................................................................ 35

9.5

Additional measures........................................................................................................ 35

Appendix A: ISCA Requirements ..................................................................... 37 Appendix B: Staging Drawings ........................................................................ 38 Appendix C: Construction Noise Contours ...................................................... 39 Appendix D: Construction Vibration Contours ................................................ 40 Appendix E: Record of Communication .......................................................... 41 Appendix F: SSCNVMP .................................................................................... 55 Appendix G: Noise Monitoring Template ....................................................... 56 Appendix H: Vibration Monitoring Template ................................................. 58 Appendix I: Record of CLG, IPR and Auckland Council Comments .................. 60 I1. CLG Comments ........................................................................................... 60 I2. IPR Comments ............................................................................................ 62 I3. Auckland Council Comments ...................................................................... 75 Appendix J: Equipment list for Construction Stages ....................................... 78 Appendix K: Noise and Vibration Measurements of Equipment .................... 79 Page 4

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1. Introduction The City Rail Link (CRL) project comprises the construction, operation and maintenance of a 3.4 km underground passenger railway, running between Britomart Station and the North Auckland Rail Line in the vicinity of Mt Eden Station. The CRL also involves the construction of two new underground stations at Aotea and Karangahape and a redeveloped Mt Eden Station (refer to Figure 1-1). The design and construction of the CRL infrastructure between the Aotea and Mt Eden Stations is being delivered by the Link Alliance.

Figure 1-1: CRL Route and Location

This Construction Noise and Vibration Delivery Work Plan (CNV DWP) has been prepared in relation to the main construction works for the new Karangahape Station.

1.1 Karangahape Station The Karangahape Station consists of two entrances, one at Beresford Square / Pitt Street and the other at Mercury Lane, linked together by platforms with two mined tunnels approximately 32m below Pitt Street. The Station will also comprise equipment rooms, ventilation systems and emergency egress at both Mercury Lane and Beresford Square / Pitt Street. Given the nature and scale of the Karangahape Station construction, works will be undertaken in a staged manner, involving: • • • Page 5

Early works (demolition, network utility relocation and site establishment works) – to be undertaken from October 2019 through to early 2020; Main construction works (construction of the station and mined tunnels for the rail tracks) – to be undertaken from early 2020 through to later 2023; and Public realm reinstatement – likely to be undertaken from late 2022 to late 2024.

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1.2 CNV DWP Staging To reflect the staged construction approach for the Karangahape Station, a series of CNV DWPs are being prepared. This CNV DWP addresses the Karangahape Station main works, which are detailed in the Construction Environmental Management Plan (CEMP) and summarised in Section 2 of this CNV DWP. A further CNV DWP will be prepared in the future to address the station superstructure and public realm reinstatement works.

1.3 Purpose of the CNV DWP In accordance with CRL designation Condition 36, the purpose of this CNV DWP is to identify and provide for implementation of the Best Practicable Option (BPO) to avoid, remedy or mitigate adverse noise and vibration effects resulting from construction during the Karangahape Station main works. It identifies the noise and vibration performance standards that must, where practicable, be complied with and details the management and control methodologies to be implemented in order to achieve compliance. Where compliance cannot be achieved, the CNV DWP identifies BPO mitigation measures to be implemented on a site specific basis. This CNV DWP will be implemented throughout the entire construction period and will be the primary tool for the management of construction noise and vibration effects resulting from the Karangahape Station main works. It is a â€˜living documentâ€™ which may be updated as the project progresses and working conditions become clearer. This CNV DWP has been prepared in consultation with the Karangahape Community and Business Liaison Group (CLG) and reviewed by the Independent Peer Reviewer (IPR) prior to submission to Auckland Council (as per designation Conditions 7 and 11). A record of CLG consultation outcomes and IPR comments is included in Appendix I. This CNV DWP forms part of the CEMP for the Karangahape main works.

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1.4

Relevant Conditions

Table 1-1 identifies the designation conditions relevant to this CNV DWP and where they are addressed in the document. Table 1-1: Construction noise and vibration conditions and location in the CNV DWP

Condition Number

Relevant Section of DWP

Condition Communications – Notable Noise and Vibration Receivers

16.1

16.2

A SSCNVMP shall be prepared for all Notable Noise and Vibration Receivers (refer Condition 39). As part of the SSCNVMP (and further to Condition 15 of this designation), the Requiring Authority shall undertake communication and consultation, as soon as reasonably practicable (and at least once following confirmation of construction timing and methodology), with any Notable Noise and Vibration Receivers located within 200 metres of blasting, or within 100 metres (either horizontally or vertically) of the designation footprint for other construction activities. Communication and consultation with these parties should focus on a collaborative approach to manage the adverse effects from construction noise and vibration while works are undertaken in the vicinity.

7.1

The Requiring Authority shall undertake on-going communication and consultation with notable noise and vibration receivers throughout the duration of construction occurring in the vicinity. This communication shall be reported back to the “key contacts” (see Condition 13) and the Auckland Council Consent Monitoring officer for their review and confirmation of any further action to be undertaken. The Auckland Council Consent Monitoring Officer shall advise the Requiring Authority of its recommendation within 10 working days of receiving this information from the Requiring Authority.

7.1

Project Standards - Construction Noise Construction noise shall comply with the following Project Standards (unless otherwise provided for in a SSCNMP which is approved under Condition 37, 39 or 40): Receiver Type Occupied commercial and industrial buildings (including offices)

31.1

Sensitive Noise and Vibration Receivers (excluding offices)

Early Childhood Education Centres (whilst occupied during normal opening hours) Bear Park Early Childhood Education Centre at 32 Akiraho Street (whilst occupied during normal opening hours)

31.2

Monday to Saturday

Sundays and Public Holidays

At all other times

0700 – 2200

2200 – 0700

75 dB LAeq

65 dB LAeq 1

60 dB LAeq

90 dB LAFmax

80 dB LAFmax2

75 dB LAFmax

35 dB LAeq in sleeping areas

35 dB LAeq in sleeping areas 65 dB LAeq in outdoor playing areas

3.1 (Bear Park not impacted by Karangaha pe works)

Construction noise shall be measured and assessed in accordance with the provisions of NZS 6803:1999 9.2

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Condition Number

33.1

33.2

Condition

Relevant Section of DWP

Project Standards - Construction Vibration Construction vibration (including blasting) shall comply with the following Project Standards for building damage (unless otherwise provided for in a SSCVMP which is approved under Condition 38, 39 or 40) Longterm Short-term (transient) vibration1 (continuo us) vibration PPV at PPV at the foundation at a Type of Structure PPV at horizonta frequency of horizontal l plane of plane of highest 50-100 highest 1-10Hz 10-50 Hz floor Hz floor (mm/s) (mm/s) (mm/s) (mm/s) (mm/s) Commercial/ 20 20 – 40 40 – 50 40 10 Industrial Residential/ 5 5 – 15 15 – 20 15 5 School Historic or sensitive 3 3–8 8 – 10 8 2.5 structures Note: 1. Standard DIN 4150-3:1999 defines short-term (transient) vibration as “vibration which does not occur often enough to cause structural fatigue and which does not produce resonance in the structure being evaluated”. Long-term (continuous) vibration is defined as all other vibration types not covered by the short-term vibration definition.

3.2

Construction vibration (including blasting) shall be measured in accordance with German Standard DIN 4150-3:1999.

9.3

Project Standards - Construction Vibration (Amenity) Between the hours of 10pm and 7am vibration generated by construction activities (excluding blasting) shall not exceed: 34.1

(a) a Peak Particle Velocity (PPV) of 0.3mm/s when measured at any part of the floor of any bedroom; (b) a noise level of 35 dB LAeq(15min) when measured in any bedroom.

3.3

Between the hours of 7am and 10pm vibration generated by construction activities (excluding blasting) shall not exceed: 34.2

34.3

34.4

(a) A Peak Particle Velocity (PPV) of 1mm/s as measured on the floor of the receiving room for residentially occupied habitable rooms, bedrooms in temporary accommodation and medical facilities; and (b) A Peak Particle Velocity (PPV) of 2mm/s as measured on the floor of the receiving room for retail and office spaces (including work areas and meeting rooms);

3.3

The limits in 34.1 and 34.2 shall only be investigated and applied upon the receipt of a complaint from any building occupant. They shall not be applied where there is no concern from the occupant of the building.

3.3

Where the limits in 34.1 and 34.2 are found (through measurement) to be exceeded then a SSCVMP shall be prepared for that receiver (Condition 38).

Construction Noise and Vibration DWP For the avoidance of doubt, this condition is applicable to the management of construction noise and vibration on all receivers, including sensitive and notable receivers. Page 8

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Condition Number

36.1

Condition A Construction Noise and Vibration DWP shall be prepared and implemented. The objective of the Construction Noise and Vibration DWP is to provide for the development and implementation of identified best practicable option to avoid, remedy or mitigate the adverse effects on receivers of noise and vibration resulting from construction.

Relevant Section of DWP

This DWP

The Construction Noise and Vibration DWP shall: (a) Adopt the noise and vibration standards for construction set out in Conditions 31, 32, 33 and 34 of these designations; 36.2

(b) Be generally consistent with the draft Construction Noise and Vibration management plan submitted as part of the Notice of Requirement documentation (dated 23 August 2013); and (c) Identify methods to achieve best practicable option for mitigating adverse effects.

To achieve this objective, the Construction Noise and Vibration DWP shall include:

36.3

(a) The roles and responsibilities of the noise and vibration personnel in the contractor team with regard to managing and monitoring adverse noise and vibration effects;

2.2

(b) That piling and road cutting will be restricted to between the hours of 7am to 7pm, Monday to Saturday;

2.1

4.1

(d) Identification of construction activities that are likely to create adverse noise and vibration effects, the location of these in the construction site areas, and the distance to comply with the Project Criteria in Conditions 31, 32, 33 and 34; (e) The timing of construction activities that are likely to create an adverse noise and vibration effect; (f) The location of sensitive noise and vibration receivers; (g) A record of communication and consultation with sensitive noise and vibration receivers. The record must include a clear explanation of where any comments from sensitive receivers have not been incorporated in the Construction Noise and Vibration DWP, and the reasons why not. This information must be included in the Construction Noise and Vibration DWP provided to both the Independent Peer Review Panel and Auckland Council as part of the Outline Plan process specified in Condition 11; (h) Specific measures to address the concerns raised by those sensitive receivers;

4 2.1 5

Appendix E Appendix E

(i) Specific training procedures for construction personnel including: (i) The project noise and vibration performance standards for construction (conditions 31, 32, 33 and 34); (ii) Information about noise and vibration sources within the construction area and the locations of sensitive noise and vibration receivers; and

(iii) Construction machinery operation instructions relating to mitigating noise and vibration; (j) Methods and measures to mitigate adverse noise and vibration effects including, but not limited to, structural mitigation such as barriers and enclosures, the scheduling of high noise and vibration construction, use of low noise and vibration machinery, temporary relocation of affected receivers or any other measures or offer agreed to by the Requiring Authority and the affected receiver; (k) The proposed methods for monitoring construction noise and vibration to be undertaken by a suitably qualified person for the duration of construction works including: (i) Updating the predicted noise and vibration contours based on the final design and construction activities; Page 9

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Condition Number

Condition

Relevant Section of DWP

(ii) Confirm which buildings are to be subject to a pre and post building condition survey in accordance with Condition 46. This includes consideration of those buildings in Appendix One and Two to these conditions;

8.4

(iii) The timing and location for monitoring of buildings during construction is required (Note that the flow charts contained in Appendices B and C of Appendix J of the technical noise and vibration report provided as part of the Notice of Requirement should be used as a guide);

(iv) Identifying appropriate monitoring locations for receivers of construction noise and vibration;

Appendix F

(v) Procedures for working with the Communication and Consultation Manager to respond to complaints received on construction noise and vibration, including methods to monitor and identify noise and vibration sources;

(vi) Procedures for monitoring construction noise and vibration and reporting to the Auckland Council Consent Monitoring officer; and

(vii) Procedures for how works will be undertaken should they be required as a result of the building condition surveys;

9.3

(l) Cross references to the specific sections in the Communication and Consultation Plan which detail how landowners and occupiers are to be communicated with around noise and vibration effects.

Site Specific Construction Noise Management Plan (SSCNMP) For the avoidance of doubt, this condition does not apply to MediaWorks 37.1

37.2

The objective of a SSCNMP is to detail the best practicable option to avoid, remedy or mitigate adverse effects on a receiver resulting from construction noise that does not comply with the Project Noise Standards. Further to the Construction Noise and Vibration DWP in Condition 36, a SSCNMP shall be prepared for any receiver or activity for which air overpressure is either predicted or measured to exceed the limits in Condition 32, or where construction noise is either predicted or measured to exceed the Project Noise Standards in Condition 31, except where the exceedance of the standards in Condition 31 is less than 5 decibels and does not exceed : (a) 0700-2200: 1 period of up to 2 consecutive weeks in any 2 months (b) 2200-0700: 1 period of up to 2 consecutive nights in any 10 days

37.3

For predicted exceedances of less than 5 decibels (refer 37.2) monitoring shall be undertaken to confirm the actual noise levels. If exceedance is shown to be more than 5 decibels, or the period exceeds those detailed, then a SSCNMP will be prepared.

37.4

Condition not applicable to Karangahape Road SSCNMPs will identify:

37.5

(a) The extent to which noise may exceed the Project Noise Standards in Condition 31 or the overpressure limits in Condition 32; (b) The timing and duration of any exceedance; (c) Details of the type of activity causing any exceedance; (d) The summary of the communication and consultation undertaken with the receiver. The summary must include a clear explanation of where any comments have not been incorporated, and the reasons why not. This information must be included in the SSCNMP provided to both the Independent Peer Review Panel and Auckland Council as part of the Outline Plan process specified in Condition 11;

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Appendix F

Construction Noise and Vibration Delivery Work Plan

Condition Number

Condition

Relevant Section of DWP

(e) The methods and measures to mitigate noise effects, including but not limited to, potential to offer temporary relocation of affected receivers, alternative ventilation, faรงade sound insulation improvements, building condition surveys in the case of overpressure generated by blast events, or other offers made by the Requiring Authority and whether these have been agreed to by the affected receiver; (f) The reasons why the management and mitigation measures and methods reflect best practicable option. 37.6

The SSCNMP shall be submitted for the review of Auckland Council as part of the Outline Plan. The works shall then be undertaken in accordance with the SSCNMP confirmed by the Requiring Authority as part of the Outline Plan. Site Specific Construction Vibration Management Plan (SSCVMP)

38.1

The objective of a SSCVMP is to detail the best practicable option to avoid, remedy or mitigate adverse effects on a receiver resulting from vibration that does not comply with the Project Vibration Standards.

38.2

Further to the Construction Noise and Vibration DWP in Condition 36, a SSCVMP shall be prepared: (a) For any unoccupied building, structure or infrastructure for which construction vibration is either predicted or measured to exceed the Project Vibration Standards in Condition 33; (b) Where a complaint or concern is raised and the vibration level exceeds the amenity levels of Condition 34.2(a) and 34.2(b); (c) In response to other concerns or complaints where required (refer Condition 17). (d) For the properties listed in Condition 37.4. Where the amenity limits in Conditions 34.2(a) and 34.2(b) are exceeded:

38.3

(a) Best practicable management of vibration must be applied; and (b) The vibration activity shall be scheduled to avoid disturbance. If this is not practicable then reasonable respite periods shall be provided to reduce vibration exposure.

38.4

The limits in condition 33 may be relaxed by a SSCVMP but only for a building, structure or infrastructure that has been assessed by a suitably qualified and experienced structural engineer and where it has been deemed to be capable of withstanding higher vibration levels without sustaining building or structural damage, and where appropriate vibration and building condition monitoring regimes are in place. SSCVMPs will identify: (a) The timing and duration of any exceedance; (b) Details of the type of activity giving rise to any exceedance;

38.5

(c) Site Specific vibration criteria that addresses the issue(s) of concern (i.e. building damage, amenity and sensitive equipment). Site Specific criteria shall be determined by a suitably qualified independent vibration expert; (d) The summary of the communication and consultation undertaken with the receiver. The summary must include a clear explanation of where any comments have not been incorporated, and the reasons why not. This information must be included in the SSCVMP provided to both the Independent Peer Review Panel and Auckland Council as part of the Outline Plan process specified in Condition 11; (e) The methods and measures to mitigate vibration effects, including but not limited to, investigating alternative low-vibration construction methods, undertaking high-vibration works outside sensitive times, vibration barriers, building condition surveys, potential to offer temporary relocation of affected receivers, or other offers made by the Requiring Authority and agreed to by the affected receiver. (f) The reasons why the management and mitigation measures and methods reflect best practicable option.

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Appendix F

Construction Noise and Vibration Delivery Work Plan

Condition Number 38.6

Condition

Relevant Section of DWP

The SSCVMP shall be submitted for the review of Auckland Council. The works shall then be undertaken in accordance with the SSCVMP confirmed by the Requiring Authority as part of the Outline Plan. Notable Noise and Vibration Receivers

39.1

Further to Condition 36, the Requiring Authority and its contractor, in conjunction with a suitably qualified expert, shall work collaboratively with each notable receiver during the preparation of a SSCNVMP to confirm the extent and management of adverse effects on each Notable Receiver.

39.2

In addition to the Construction Noise and Vibration DWP, a SSCNVMP shall be prepared for each identified Notable Receiver. The objective of the SSCNVMP is to detail the best practicable option to avoid, remedy or mitigate adverse noise and vibration effects on each Notable Receiver.

39.3

The Requiring Authority shall consult with the notable receiver throughout the duration of construction and update the SSCNVMP as required to achieve the objective in 39.2.

39.4

The SSCNVMP shall include: (a) The level at which noise and vibration effects on the notable receiver will unreasonably interfere with its operation. This will enable development of the site specific criteria. (b) Construction activities and equipment which are likely to create adverse noise and vibration effects and the location and timing of these in relation to the notable receiver; (c) The methods and measures associated with the worksite including, but not limited to, structural mitigation such as barriers and enclosures, use of low noise and vibration machinery and the scheduling of high noise and vibration construction; (d) The methods and measures associated with the notable receiver building or operation including, but not limited to, potential for isolation of sensitive areas and equipment, dampening of reradiating surfaces and temporary relocation of affected receivers that are proposed to minimise adverse noise and vibration effects on the notable receiver; (e) Details about the methods to be adopted by the Requiring Authority to minimise construction noise and vibration effects on the notable receiver and the anticipated effectiveness of those methods; (f) A summary of the communication and consultation undertaken with the notable receiver. The summary must include a clear explanation of where any comments have not been incorporated and the reasons why not. (g) Offers made by the Requiring Authority to the notable receiver to mitigate effects and the response by the operators, such as relocation, and whether those offers were accepted or not by the notable receiver;

39.5

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If the parties cannot agree on any of the matters above they shall each appoint a suitably qualified and independent expert, who shall jointly appoint an independent and suitably qualified third expert who shall certify the following matters to be included in the SSCNVMP: (a) The level at which noise and vibration effects on the notable receiver unreasonably interfere with its operation (the certified noise and vibration limit); (b) The mitigation methods and measures within the worksite (at source) including, but not limited to, structural mitigation such as barriers and enclosures, use of low noise and vibration machinery and the scheduling of high noise and vibration construction; (c) The mitigation methods and measures at the notable receiver including but not limited to: isolation of sensitive areas and equipment; dampening of reradiating surfaces; any response to such offers; and temporary relocation of affected receivers; (d) Whether or not the mitigation methods and measures reflect best practicable management; and (e) Whether or not the residual effects are likely to cause significant disruption to the activities of the notable receiver.

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Appendix F

Construction Noise and Vibration Delivery Work Plan

Condition Number

39.6

Condition

Relevant Section of DWP

Following the above process the SSCNVMP shall be submitted for the review of Auckland Council as part of the Outline Plan. For the avoidance of doubt, the Requiring Authority shall not be entitled to make any changes to the SSCNVMP through the Outline Plan process following any agreement reached with the notable receiver and/or through the above certification process without the consent of the notable receiver. The works shall then be undertaken in accordance with the SSCNVMP confirmed by the Requiring Authority as part of the Outline Plan process.

1.5 Sustainability The Link Alliance is seeking an Infrastructure Sustainability Council of Australia (ISCA) Infrastructure Sustainability (IS) Rating. Further details can be found in the CEMP and Sustainability Rating Management Plan. Project sustainability requirements that relate directly to this CNV DWP are included in Appendix A. These requirements are imbedded within this CNV DWP to ensure that sustainability is a key focus and ‘the way we do things’. In some cases the IS requirements and sustainability goals enhance the designation and consent requirements.

1.6 DWP Review and updates This CNV DWP is a live document that will be reviewed at least annually, or as a result of a material change to the project, or to address unforeseen adverse noise and vibration effects arising from construction, or unresolved complaints. Any material changes to this CNV DWP must be approved by Auckland Council prior to any on-site activity reliant upon the change commencing. Refer to the CEMP for further detail on the review and updating process.

1.7 CNV DWP Author This CNV DWP has been prepared by Sharon Yung, Acoustic Consultant at AECOM and reviewed by Claire Drewery the nominated Acoustics Specialist for the Project. Claire has 17 years’ professional experience as an acoustic consultant, and she holds a Diploma in Acoustics and Noise Control. Sharon and Claire are Members of the Institute of Acoustics (IOA).

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Karangahape Main Works 2.1 Overview of Works

The Karangahape Station main works are described in detail in the CEMP and summarised in Table 2-1 below (refer also the drawings provided at Appendix B). It should be noted that construction of the Mercury Lane and Beresford Square station entrance superstructures and other building units, along with the internal station fit out and public realm reinstatement works will form part of separate CNV DWPs to be prepared in the future prior to the commencement of the respective works. Table 2-1: Overview of Karangahape Main Works Construction Activities

Works Location

Overview of construction activities

General establishment works

• Installation of hoardings and temporary traffic management around active construction zones

Mercury Lane

• Construction of the temporary shaft at Mercury Lane to provide access for tunnel construction. Works will include excavation, piling and construction of the above ground acoustic enclosure surrounding the shaft. • Mining of platform tunnels (likely using a road header) from the temporary shaft through to the Beresford Square station box. • Diaphragm wall construction and piling around the perimeter of the Mercury Lane station box. • Construction of the Mercury Lane station box, involving: - top down construction works - excavation and floor slab construction; and - bottom up construction works - rock breaking and excavation, construction of floor slab construction and rail platforms. • Off-site disposal of excavated material from the temporary shaft construction, mining of platform tunnels and station box construction.

Beresford Square

• Diaphragm wall construction around the perimeter of the Beresford Square station box. • Construction of the Beresford Square station box, involving: - top down construction works - excavation and floor slab construction; and - bottom up construction works - rock breaking and excavation, construction of floor slab construction and rail platforms. • Off-site disposal of excavated material from the station box construction.

Construction Support Areas

• Continued establishment of Construction Support Areas (CSA) at Beresford Square and Mercury Lane (following on from the establishment works undertaken as part of the early works and authorised by the early works plans). This will include the bentonite plant, water treatment plant and temporary spoil storage areas. • Operation of the Beresford Square and Mercury Lane CSAs.

2.1 Hours of Operation Ground surface works will generally be undertaken between 7am and 10pm Monday to Saturday with underground mining operating up to 24 hours a day, 7 days a week as required. Page 14

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Construction Noise and Vibration Delivery Work Plan Designation Condition 36.3(b) requires that piling and road cutting will be restricted to between the hours of 7am to 7pm, Monday to Saturday.

2.2 Key Personnel The key personnel responsible for this CNV DWP are identified in Table 2-2. Refer to the CEMP for further detail on roles and responsibilities. Table 2-2: Key Personnel and contact details

Role

Name

Karangahape Station Project Manager

Jonathan Hill

Karangahape Station Construction Manager

Dan Trotman

Environmental and Sustainability Manager

Sarah Sutherland

Acoustics Specialist

Claire Drewery

Noise and Vibration Monitoring

Joe Grimes

Vibration Monitoring â€“ Trained Site Personnel

Jon Payne

All personnel working on the main works, including subcontractors, are responsible for following the requirements of this CNV DWP. They must be briefed on this CNV DWP and sign an induction form and any noise and vibration schedules that relate to the work they will be carrying out.

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3. Construction Noise and Vibration Criteria 3.1 Construction Noise Criteria Construction noise will be measured and assessed in accordance with New Zealand Standard NZS6803:1999 “Acoustics – Construction Noise”. Construction noise will be managed to comply with the Project Standards (unless otherwise provided for in an approved Site Specific Construction Noise Management Plan (SSCNMP)). The Project Standards for construction noise are specified in CRL designation condition 31 and provided in Table 3-1. These noise levels are applicable 1m from the most exposed building façade. Table 3-1: Construction Noise Limits Monday to Saturday 0700 – 2200

Sundays and Public Holidays 0700 – 2200

All other times 2200 – 0700

Occupied commercial and industrial buildings (including offices)

75 dB LAeq

Sensitive Noise and Vibration Receivers (excluding offices)

75 dB LAeq

65 dB LAeq

60 dB LAeq

90 dB LAFmax

80 dB LAFmax

75 dB LAFmax

Receiver type

Note: Sensitive receivers (usually building occupants) whose amenity needs to be considered with regards to noise and/or vibration effects; includes but is not limited to dwellings, hotels, educational facilities (including day care facilities), hospitals, places of worship, laboratories, studios, theatres and auditoria.

Section 4.1 of the CNV DWP details equipment and associated noise levels for construction activities. Section 8 of the CNV DWP details how construction activities will be measured/ assessed against the noise criteria. If any construction activity cannot practicably comply with the limits in Table 3-1, a SSCNMP will be prepared in accordance with designation Condition 37 (refer to Table 1-1 in Section 1.4 of this CNV DWP).

3.2 Vibration Criteria – Building Damage Construction vibration will be measured and assessed in accordance with German Standard DIN 4150-3:1999 “Structural Vibration – Part 3 Effects of Vibration on Structures”. Construction vibration will be managed to comply with the Project Standards for building damage (unless otherwise provided for in an approved in the Site Specific Construction Vibration Management Plan (SSCVMP)). The limits for construction vibration are specified in CRL designation Condition 33 and provided in Table 3-2.

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Table 3-2: Construction Vibration Limits – Building Damage Long-term (continuous) vibration

Short-term (transient) vibration* Type of structure

PPV at the foundation at a frequency of:

PPV at horizontal plane of highest floor (mm/s)

PPV at horizontal plane of the highest floor (mm/s)

1 – 10 Hz (mm/s)

10 – 50 Hz (mm/s)

50 – 100 Hz (mm/s)

Commercial / Industrial

20-40

40-50

Residential / School

5 – 15

15 – 20

Historic or sensitive 3 3–8 8 – 10 8 2.5 structures * DIN 4150-3:1999 defines short-term (transient) vibration as “vibration which does not occur enough to cause structural fatigue and which does not produce resonance in the structure being evaluated” Long-term (continuous) vibration is defined as all other vibration types not covered by the short-term vibration definition.

Section 4.2 of the CNV DWP details equipment and vibration emission radii for construction activities. Section 8 of the CNV DWP details how construction activities will be measured/ assessed against the vibration criteria. If any construction activity cannot practicably comply with the limits outlined in Table 3-2, a SSCVMP will be produced in accordance with designation Condition 38 (refer to Table 1-1 in Section 1.4 of this CNV DWP).

3.3 Vibration Criteria – Amenity 3.3.1. Day Time Criteria Between the hours of 7am and 10pm vibration generated by construction activities (excluding blasting) shall not exceed: a

A Peak Particle Velocity (PPV) of 1mm/s as measured on the floor of the receiving room for residentially occupied habitable rooms, bedrooms in temporary accommodation and medical facilities;

A Peak Particle Velocity (PPV) of 2mm/s as measured on the floor of the receiving room for retail and office spaces (including work areas and meeting rooms); and Designation Condition 34.3 states that the limits identified in Sections 3.3.2 and 3.3.1 of this CNV DWP need only be investigated and applied upon the receipt of a complaint from any building occupant. They shall not be applied where there is no concern from the occupant of the building.

3.3.2. Night Time Criteria Night time works are expected to take place for station platform tunnel mining and associated support works at Karangahape. If any works occurs between the hours of 10pm and 7am, vibration generated by construction activities (excluding blasting) shall not exceed: d e Page 17

a Peak Particle Velocity (PPV) of 0.3mm/s when measured at any part of the floor of any bedroom; and a noise level of 35 dB LAeq(15min) when measured in any bedroom. | Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan The limits detailed in sections 3.3.1 and 3.3.2 above are only applicable upon the receipt of a complaint from any building occupant. They are not applicable where there is no concern from the occupant of the building. If a complaint occurs, and the limits are found (through measurement) to be exceeded then a SSCVMP shall be prepared for that receiver.

4. Equipment Noise and Vibration Source Data 4.1 Noise Sources Various construction activities and pieces of equipment will act as noise sources on site during the main works. Table 4-1 details predicted noise levels from the likely significant noise sources at various receiver setback distances. The noise data has been taken from British Standard 5228-1:2009 â€œCode of practice for noise and vibration control on construction and open sitesâ€?, manufacturers data or the AECOM database of noise measurements. The noise levels do not account for mitigation. The noise levels detailed in Table 4-1 are placeholders, and actual equipment noise levels and model numbers will be recorded and updated within the table when work commences. Updates will be provided as an appendix to this CNV DWP. The noise levels detailed in Table 4-1 allow identification of the need for mitigation or management to achieve compliance with the Project Standards for construction noise. Section 6 of this CNV DWP provides details of management procedures and mitigation measures. A summary of equipment used for each stage of works is provided in Appendix J. Table 4-1 Equipment noise levels

Equipment

Sound power level (dB LWA)

Bentonite/Polymer batch plant

106

Hydrofraise cutter (100T)

114

Rock-breaker/demo hammer

121

Bored pile rig

111

Vibratory Sheet Piling

116

Compressors

Concrete breaker

120

Concrete pump truck

103

Concrete saws, jack-hammers, hammer-drills

119

Concrete trucks

107

Crane truck

105

Crawler crane (110-130T)

105

Gantry crane (50T)

Mobile crane

106

Excavator (14-25T)

105

Excavator (3-8T)

Excavator (8-14T)

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Sound Pressure Level (dB LAeq) 10 m 20 m 50 m

Construction Noise and Vibration Delivery Work Plan Equipment

Sound power level (dB LWA)

Sound Pressure Level (dB LAeq) 10 m 20 m 50 m

Forklift/telehandler

107

Generators

Loader/Dozer

114

Plate compactors

110

Roller compactor (3T)

101

Roller compactors (8T-14T)

107

Shotcrete mixer/Pump

103

Sweeper truck

104

Tipper trucks

107

Hydrovac trucks

104

Welding and cutting equipment

101

Noise contour maps showing predicted construction noise levels at receivers adjacent to the work sites are presented in Appendix C.

4.2 Vibration Sources Some construction activities are predicted to generate high levels of vibration including excavation, compaction, sheet piling and breaking. Table 4-2 summarises the setback distance from each of these equipment inside of which exceedance of the building damage criteria detailed in Section 3.2 of this CNV DWP may occur at the foundation of receiving buildings. The table will be kept up to date and be representative of the actual equipment on-site and include the results of on-site vibration monitoring. The vibration monitoring procedure is detailed in Section 8.2 of this CNV DWP. Table 4-2 Vibration emission radii for building damage criteria

Equipment

Vibration Criteria Radii (m) Commercial (20 mm/s)

Residential (5 mm/s)

Historic / Vibration Sensitive (3 mm/s)

Plate Compactor

0.3

1.2

2.0

Roller Compactor

2.1

8.4

14.0

Sheet Piling

3.0

12.0

20.0

Bore Piling

1.6

6.4

10.7

Excavator

1.2

4.7

7.8

Truck

0.2

0.9

1.5

Mobile Crane

0.3

1.1

1.8

Hand-held concrete breaker

0.1

0.5

0.8

Rock breaker (excavator with pick)

1.1

4.5

7.5

Road Header1

0.0

0.1

0.2

For underground tunnelling works only

Vibration contours showing the distance at which the building damage criteria is predicted to be exceeded based on the highest vibration generating equipment are presented in Appendix D. Page 19

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5. Affected Parties / Notable Receivers 5.1 Noise Table 5-1 identifies buildings where construction activities are predicted to exceed the Project Standards for construction noise. Predictions are based on the provision of a 2.4m high straight hording with angled section on top around the construction sites. A SSCNMP is required for these properties and has been prepared in accordance with designation Condition 37 (refer to Table 1-1 in Section 1.4 of this CNV DWP) dependent on activities and building type. Table 5-1: Buildings predicted to receive airborne noise levels exceeding the Project noise limits

Address

Building type/ comments Beresford Square Works

70-76 Pitt Street 19 Beresford Square

Mixed Use 1

Commercial

78 Pitt Street

Church

51 Pitt Street

Commercial

36 Day Street

Residential

68 Pitt Street 80 Pitt Street

Mixed Use 1

Commercial & Studio

82 Pitt Street

Commercial

84 Pitt Street

Commercial

235 Karangahape Road

Commercial

283 Karangahape Road

Mixed Use

8-12 Beresford Square

Commercial

61-65 Pitt Street

Commercial

4-6 Beresford Square

Commercial

16-18 Beresford Square

Commercial

243 Karangahape Road

Commercial

22 Beresford Square

Residential

59 Pitt Street

Commercial

1 Beresford Square

Mixed Use

Mercury Lane Works 238 Karangahape Road

Mixed Use

246 Karangahape Road

Mixed Use

9 Mercury Lane

Theater

29 East Street

Commercial

12 East Street

Residential

184 Karangahape Road

Commercial

4 Cross Street

Commercial

2 Cross Street

Commercial

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Address

Building type/ comments

1 Cross Street

Commercial

16 East Street

Residential

18 East Street

Residential

284-286 Karangahape Road

Commercial

14 East Street

Mixed Use

27 East Street

Residential

25 East Street

Residential

21 East Street

Residential

15-19 East Street

Commercial

23 East Street

Commercial

Note 1: Notable receiver

5.2 Vibration â€“ Building Damage Table 5-2 identifies the buildings that may be at risk of exceeding the building damage vibration limits. Historic buildings have been determined from discussions with the Built Heritage specialist. A SSCVMP has been prepared in accordance with designation condition 38 (refer to Table 1-1 in Section 1.4 of this CNV DWP) for receivers where vibration is predicted to exceed the building damage vibration limits. Table 5-2 Buildings predicted to exceed Project vibration limits

Address

Building Classification

Location of Source

Beresford Square Works 1 Beresford Square

Historic / Vibration Sensitive

Surface

8-12 Beresford Square

Historic / Vibration Sensitive

Surface

16-18 Beresford Square

Historic / Vibration Sensitive

Surface

59 Pitt Street

Historic / Vibration Sensitive

Surface

61-65 Pitt Street

Historic / Vibration Sensitive

Surface

283 Karangahape Road

Historic / Vibration Sensitive

Surface

Mercury Lane Works 1 Cross street

Historic / Vibration Sensitive

Surface

238 Karangahape Road

Historic / Vibration Sensitive

Surface

14 East Street

Historic / Vibration Sensitive

Surface

16 East Street

Residential

Surface

18 East Street

Historic / Vibration Sensitive

Surface

25 East Street

Historic / Vibration Sensitive

Surface

Historic / Vibration Sensitive

Surface

Historic / Vibration Sensitive

Surface

21 East Street 9 Mercury Lane

Note 1: Notable Receiver Page 21

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5.3 Site Specific Construction Noise and Vibration Management Plan (SSCNVMP) The designation conditions allow for SSCNMPs and SSCVMPs to be combined to form SSCNVMPs. The Karangahape Station main works SSCNVMP in Appendix F of this CNV DWP considers both noise and vibration.

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6. General Management Procedures and Mitigation Measures The main works have the potential to exceed the relevant construction noise and vibration limits at the closest receivers. To avoid or minimise exceedances it is vital that appropriate mitigation methods and measures are utilised. This DWP identifies the methods to achieve best practicable option for mitigating adverse effects during the construction works. These methods and measures will include, but not be limited to, those detailed in this section of the CNV DWP.

6.1 Training Procedures relating to environmental training, including noise and vibration site management procedures are detailed within the CEMP for the Karangahape main works. As a minimum before commencing work on site all personnel will receive training based on this CNV DWP and relevant to their scope of works. If required, specific training will be provided for site personnel. Training will cover: • • • • • • • •

Roles and responsibilities for managing noise and vibration. Familiarisation with noise and vibration limits. Details of noise and vibration sources on-site. Noise and vibration mitigation and management procedures. Location of sensitive and notable receivers. Construction noise and vibration effects on receivers. Details of any operational requirements and constraints identified through communication and consultation. Complaints management procedures.

6.2 Construction Vehicles, Traffic and Deliveries Noise mitigation methods and measures for construction vehicles, traffic and deliveries shall include, where practicable: • • • • • • • • • •

Fitting engine exhausts with silencers. Using broadband reversing alarms. Minimising slamming doors. Minimising speed and engine revs. Controlling / limiting noise from vehicle stereos being operated on site. Minimising the use of horns. Turning engines off when stationary for extended periods of time. Placing bedding layer or resilient liner in truck trays Using rubber seals around tailgates. Minimising track squeal from tracked equipment such as excavators, by maintaining tracks regularly.

6.3 Plant and Equipment Designation Condition 21.1 (m) requires that site offices and less noisy construction activities be located at the edge of the construction yards where practicable (refer to the CEMP for further detail on the layout of the Beresford Square and Mercury Lane Construction Support Areas). Page 23

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Plant and equipment noise and vibration mitigation methods and measures shall include, where practicable: • • •

• • •

•

Selecting plant and equipment with low noise and vibration emission levels. Turning off plant and equipment or throttle them down to a minimum when not in use. Selecting appropriately sized equipment for the task. Electric motors could be used as a substitute for diesel engines where practicable Using mufflers and engine covers/screens where appropriate. Ensuring equipment is operated in the correct manner and correctly maintained, including replacement of engine covers, repair of defective silencing equipment, tightening of rattling components, repair of leakages in compressed air lines and shutting down of equipment not in use. Avoiding, where practicable, the night-time use of equipment which generates impulsive noise, including: • • •

• • • • • • • • • • • • • •

impact piling; dropping materials from a height; and metal-to-metal contact on equipment.

Minimising drop height of materials when transferring (e.g. loading and unloading vehicles and storage areas). Enclosing generators with an effective muffler. Using power from Vector Electricity Network rather than from generators. Reducing noise and vibration emissions from plant that has the potential to exceed the criteria by installing silencers, vibration isolation or other appropriate mitigation. Maximising the distance between the engine exhausts of fixed plant and the nearest sensitive building façade. Placing tools and equipment on the ground, rather than dropping. Covering surfaces with resilient material where tools / equipment are placed. Not dragging equipment on the ground. Minimising the need for striking bare metal with tools. Where spoil is being loaded into a dump truck, or fill materials are being unloaded from a dump truck, position the truck to minimise tracking movements. Managing noise generated from the use of concrete, including by limiting noise generated by aggregate loading or by hammering the mixing. Using broadband reversing alarms on all mobile equipment. Crane and secure loads using straps rather than chains where safe and practicable. Locate high noise or vibration generating plant and equipment away from sensitive areas, such as next to residential buildings, to maximise distance from affected parties. Where this is not possible restricted hours of operation for such plant shall be considered as practicable.

6.4 Pneumatic Breakers Noise and vibration mitigation methods and measures for breaking activities shall include, where practicable: • Page 24

Selecting equipment for the job that takes into account the need to minimise the length of time taken to complete the operation and minimise noise generation. | Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan • • • •

Not “blank” firing the hammer. The activating valve should only be operated with the hammer in contact with the surface to be broken. Keeping breaker bushes and shafts greased as necessary. Using the correct chisel / tip shape for the type of material being broken. Using acoustic screens which block line of sight between breaker and sensitive receivers where work is contained within a compact area.

6.5 Piling and Compaction Noise and vibration mitigation methods and measures for piling and compaction activities shall include, where practicable: • • •

•

Minimising cable slap and chain clink. Providing mufflers and engine covers/screens on plant where appropriate. Removing obstructions which may exacerbate vibration transmission where appropriate, prior to piling operations. Minimise alternating rotation of the bored piling auger to loosen spoil into the muck bin. Shaking the ‘kelly bit’ connection creates very loud banging that can result in noise complaints.

6.6 Noise Barriers and Enclosures Noise barriers or enclosures will be used in areas where the noise limits are predicted to be exceeded, and where they provide effective mitigation. Noise barriers will generally only be effective for ground floor receivers where noise levels would be reduced by approximately 10 dB. For a noise barrier to be effective it must physically obstruct line of sight between the noise source and receiver. Receivers on the first floor and above will be able to see over the noise barrier and it will provide little attenuation. To mitigate against this, an additional length of hording angled in to the site should be added to the top of the 2.4m hording. An effective noise barrier is constructed as follows: • • • •

Positioned to physically obstruct line of sight between the construction work and receiver, where this is practicable. Positioned as close as practicable to the noisy construction activity. Abutted or overlapped to provide a continuous screen with no gaps at the base or between panels. Be a minimum of 2.4m high with additional angled section added to the top.

Noise barriers may be constructed from plywood or Perspex with a minimum surface mass of 10kg/m2. Noise enclosures should be utilised where practicable as they provide better attenuation to receivers above ground floor level. A noise enclosure shall be used around: •

• Page 25

The Mercury Lane temporary construction access shaft, which will be the main above ground access point for the 24-hour tunnelling works (including spoil removal) - refer to Section 6.7 for further detail; and The bentonite plant located in the Beresford Square and Mercury Lane construction support areas. | Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Where enclosures are proposed, their design shall be agreed with the Project Acoustics Specialist prior to installation.

6.7 Tunnel Mining Works Tunnel mining works will likely take place 24 hours a day, 7 days a week. The works shall include the following mitigation measures and methods: •

An effective noise enclosure shall be installed around the Mercury Lane temporary shaft that shall be designed and operated as follows: • • •

Access doors shall be automated and oriented away from sensitive receivers. Doors / access ways shall be closed when not used and throughout night time works. Mechanical ventilation of the enclosure shall be attenuated to achieve the overall enclosure reduction. The enclosure shall achieve a minimum sound reduction of Rw 26 for each façade.

6.8 Traffic Tyre Noise Vehicle movements may cause temporary decks, steel plates and manholes to rock or move, giving rise to nuisance noises. Sharp changes in the level of the road surface may result in tyre noise. The Link Alliance will use the following methods to reduce noise from these sources so far as reasonably practicable, especially where the noise source will exist for long periods: • • • •

Firmly fix traffic decks to the road or other structural elements to prevent motion. Placing rubber beneath traffic decks and steel road plates where movement occurs. Providing smooth transitions between changes in road surface level. Ensuring manhole covers are fitted correctly.

6.9 Scheduling of Activities Scheduling of construction activities can be a key tool for managing construction noise and vibration effects. The time of day and the duration of the construction activities will be adjusted after consultation, where possible, to avoid particularly sensitive times for affected receivers. Consideration will also be given to respite periods and avoidance of activity on certain days (if requested by affected neighbours), where practicable. Night time disturbance to nearby residential receivers will be reduced by carrying out noisy activities during the day.

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7. Communication 7.1 Communication Good stakeholder communication practices are a key component for the management of noise disruption from construction activities. Prior to construction commencing, clear communication channels will be established between the Link Alliance and those in the community identified in the CNV DWP as being potentially affected by the main works construction activities. It is important that the Link Alliance provide information to these parties in a transparent and consistent manner in relation to potential adverse construction noise and vibration effects, duration, along with mitigation and management measures that will be implemented during the works.

7.1.1. Notable and Sensitive Receivers Designation Condition 16.1 requires that communication and consultation is undertaken, as soon as reasonably practicable (and at least once following confirmation of construction timing and methodology), with any Notable Noise and Vibration Receivers located within 100 metres of the designation footprint. On-going communication and consultation will be undertaken with notable noise and vibration receivers throughout the duration of construction occurring in the vicinity as outlined in Section 7.1.2 below. This communication will be reported back to the “key contacts” (see designation Condition 13) and the Auckland Council Compliance Monitoring officer for their review and confirmation of any further action to be undertaken. Designation Condition 36.3(g) requires a record to be kept of communication and consultation with sensitive receivers with regard to construction noise and vibration impacts. A record of communication and consultation with sensitive receivers is provided in Appendix E of this CNV DWP. The record includes details of when the communication/ consultation occurred, comments that were received from the sensitive receivers and where the comments have been incorporated into the CNV DWP or where they have not, the reasons for this.

7.1.2. Engagement Methods The Link Alliance Communications and Engagement Manager has a key responsibility to keep the community informed of construction activities as outlined in the main works Communication and Consultation Plan (CCP). The following methodology sets out expectations for stakeholder communication with regards to noise and vibration generated by the construction works, detail also provided in Section 6 and 7 of the CCP: •

•

• Page 27

A contact person will always be available during works, and the project contact details will be prominently displayed at the entrance to the site(s) so that they are clearly visible to the public. Individual notification shall be provided and meetings offered to all neighbours that are predicted to experience noise or vibration levels that exceed the limits detailed in Section 3 of the CNV DWP after the BPO mitigation as detailed in Section 6 has been applied. Where it is impractical to avoid an exceedance, communication and consultation shall be undertaken with the receiver to identify methods and measures to mitigate the adverse effects of construction, including identifying why the selected management and mitigation measures and methods reflect the best practicable option. Written notification to raise awareness of the works, the required construction activities and | Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan

•

their duration should be provided at least 20 working days prior to the commencement of works. The Communications and Engagement Manager will make contact with the affected and notable receivers identified in Table 5-1 and Table 5-2 to engage in a consultative process prior to construction. This may involve a face to face meeting or be carried out over the phone as suits the needs of the receiver. The Link Alliance will provide the affected and notable receivers identified in Table 5-1 and Table 5-2 with the following information: • • • •

An overview of the works proposed, including duration, activities to be undertaken, potential impacts etc.; The site and facilities layout; Dates for key milestones (road closures, site establishments and disestablishment etc.); and Project contact details for general queries or complaints.

Where changes are made to any of the above items, in particular to hours of operation or to likely duration of the operation, the affected and notable receivers identified in Table 5-1 and Table 5-2 will be notified. • •

• •

As required, ongoing engagement throughout the works with Notable Noise and Vibration receivers and any other neighbours raising concerns. Regular notifications (at least monthly) will be provided to affected receivers with an update on the progress of the works, and the specific activities (including locations) due to be undertaken next. A record will be kept of all communications in Appendix E of this CNV DWP. All concerns and complaints regarding construction noise and vibration will be dealt with in accordance with Section 7.2 of this CNV DWP.

7.2 Complaints Procedure Procedures relating to the management of environmental complaints (including construction noise and vibration) are detailed within Section 7 of the CCP. All complaints will be addressed in accordance with these procedures and a record of the complaint and the Link Alliance response maintained in a Project Complaints Register. The Link Alliance will provide Auckland Council's Team Leader Central Monitoring with contact details for the Communications and Engagement Manager to ensure the Council can pass on any Karangahape main works related noise complaints to the Link Alliance quickly.

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8. Monitoring 8.1 Noise Construction noise will be measured and assessed in accordance with the requirements of New Zealand Standard NZS 6803: 1999 “Acoustics - Construction Noise”. Noise monitoring will be conducted by the Acoustic Specialist or trained noise monitoring staff as identified in Section 2.2 of this CNV DWP. The equipment noise levels detailed in Table 4-1 are placeholders. All equipment that is predicted to exceed 75 dB LAeq at 5m will be measured, where practicable, when first operating on site. Actual equipment noise levels at 5m and equipment model numbers will be recorded. Construction monitoring shall be undertaken during phases of construction when noise has potential to exceed the limits or and in response to reasonable noise complaints. Noise monitoring shall also be undertaken if the construction methodology changes, such that noise criteria may be exceeded at other locations. The SSCNVMPs identify monitoring locations and the timing of monitoring at the most affected receivers. In addition to the monitoring identified in the SSCNVMPs, noise monitoring will be carried out at positions representative of noise sensitive locations at appropriate periods to check ongoing compliance with the construction noise limits. The monitoring position will be at ground floor level. Noise will be measured 1m from the most affected façade of the building, or in the area which relates to a noise complaint. If it is not practicable to measure at this position, measurements will be taken at a representative location and adjusted for distance and façade reflections if necessary. Measurements will also be taken at a known distance, such as 5m, from the noise generating equipment to establish source noise levels. Additional measurement positions may be necessary if the initial measurement results indicate that noise may exceed criteria at other areas of the building façade. These measurements will be undertaken 1m from the façade if windows are normally open or inside the building if windows are normally closed. Where internal measurements are required it will be necessary to control noise from local sources, such as people using the telephone, to ensure only construction noise is measured. Noise monitoring will be conducted for 10-15 minutes at each measurement position, during representative construction activity. The noise level will be reported with the measurement duration (e.g. 65 dB LAeq (15min)). Figure 8-1 outlines the process to be followed when monitoring noise.

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Construction Noise and Vibration Delivery Work Plan

Figure 8-1: Noise Monitoring Flowchart

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8.2 Vibration Construction vibration levels will be measured and assessed in accordance with the requirements of German Standard DIN 4150-3:1999 “Structural vibration – Part 3: Effects of vibration on structures”. Vibration monitoring shall be undertaken during phases of construction when vibration has potential to exceed the limits or and in response to reasonable vibration complaints. Vibration monitoring shall also be undertaken at identified SSCNVMP locations and if the construction methodology changes, such that vibration criteria may be exceeded at other locations. Vibration monitoring shall only be undertaken by the Acoustic Specialist or trained vibration monitoring staff as identified in Table 2-2 of this CNV DWP. Vibration shall initially be measured at the closest building foundations (usually at basement or ground floor level) and this requires consent to access the building of interest. Additional measurement positions may be necessary if the initial measurement results indicate that vibration may exceed criteria within other areas of the building. It may also be necessary to measure vibration levels in the habitable areas of buildings in response to a complaint. Vibration monitoring will be conducted during representative construction activities and comprise measurements of peak particle velocity (PPV) at one second intervals. The duration of the vibration measurements will be sufficient to capture the highest vibration level from the source. The vibration monitoring equipment (geophones) will be fixed to building structural members (e.g. with clamps, cable ties, or weighed down with sandbags). The geophones will ideally be located at or near the façade of the building facing the vibration source and will be located away from areas where extraneous vibration (e.g. from footfall or building services) could affect the results. Vibration monitoring shall also be undertaken in response to reasonable vibration complaints, or if the construction methodology changes such that vibration criteria may be exceeded at other locations. Figure 8-2 outlines the process to be followed when monitoring vibration. Note that matters relating to building condition survey and response to damage are set out in Sections 8.4 and 9.3.

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Construction Noise and Vibration Delivery Work Plan

Figure 8-2 Vibration monitoring flowchart Page 32

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Construction Noise and Vibration Delivery Work Plan

8.3 Reporting All noise and vibration monitoring shall be summarised in a report and submitted to the Communications and Engagement Manager and the Environmental and Sustainability Manager (ESM) within one week of the assessment. The reports shall be kept at the site office and made available to Auckland Council upon request. A noise monitoring template is presented in Appendix G. A vibration monitoring template is presented in Appendix H.

8.4 Building Condition Surveys A pre-construction building condition survey will be undertaken at all of the identified buildings detailed in the Table 5-2 before the main works construction begins. Designation Condition 46 describes the process for building condition surveys. The building condition surveys will generally be undertaken as follows: • •

The building surveys will be undertaken by an independent senior qualified person The survey shall include: • • • • •

• • •

Any information about the type of foundations; Existing levels of damage (aesthetic, superficial, affecting levels of serviceability); Whether observed damage is associated with structural damage; Susceptibility of building or structure to further movement; and Photographic evidence.

The Link Alliance will provide the building condition survey report to the property owner and the Council within 15 working days of the survey being undertaken; If requested by a building or structure owner where a pre-construction survey was undertaken, the Link Alliance will undertake a visual inspection; and The Link Alliance shall carry out visual inspections of the surrounding ground and external building facades of the listed buildings adjacent to any trench works to monitor any deterioration or movement of any pre-existing cracks.

The buildings may require further surveys during construction if complaints are made or if the vibration criteria have been exceeded. A post-construction condition survey of the same buildings will be conducted a week after the conclusion of works in the area that have the potential to generate vibration at levels approaching or exceeding the limits in Condition 33. A report will then be prepared. Where a post-construction building condition survey confirms that the building has deteriorated as the result of construction the damage will be rectified.

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9. Contingency Measures This section describes contingency measures to be implemented in the event that the noise and/or vibration limits specified within this CNV DWP and/or in an approved SSCNVMP are exceeded. The Communications and Engagement Manager will liaise with affected receivers (refer Section 7 of this CNV DWP) throughout the following processes.

9.1 Management Process Where any construction activity is predicted and/or measured to exceed the construction noise or vibration limits the following process will be applied: • •

• •

Check that the BPO and all relevant management measures have been implemented. The Communications and Engagement Manager will engage with all affected parties, to understand their particular sensitivities, including times, activities and locations. The Communications and Engagement Manager or nominated representative shall be available 24/7 during the proposed works. Carry out noise and/or vibration monitoring of the construction activity to verify the extent of any adverse effects. Implement further mitigation and/or contingency measures to avoid significant adverse effects as practicable and agreed with the affected party (refer Sections 9.2 to 9.5 of this CNV DWP).

9.2 Noise If noise monitoring demonstrates non-compliance with the noise limits identified in the approved SSCNVMP, the following procedures shall be implemented: • •

•

Undertake additional noise measurements, as necessary, to determine the extent of the exceedance. Discuss additional mitigation options with the Karangahape Station Project Manager as soon as the extent of the exceedance has been determined. This may include immediately stopping works. Undertake noise measurements once recommended mitigation measures have been implemented to confirm that the mitigation has been effective and the noise limits are now being met for the periods agreed. Preparation of a report recording the findings of the survey and detailing additional mitigation or management options. Copies of the report will be provided to CRLL, the Station Project Manager, Communications and Engagement Manager and the Environmental and Sustainability Manager.

9.3 Vibration – Building Damage Prior to undertaking any vibration intensive work within the vibration emissions radii identified in Table 3-2, the acoustic specialist will be consulted to determine the likelihood of building damage in particular for historic/vibration sensitive buildings and identify potential alternate work practices which may reduce vibration within the acceptable range. A significant number of measurements of vibration intensive activities associated with this project have already been completed which will

Page 34

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan assist in ensuring that exceedance of the vibration limits will be minimised prior to works start on site. If vibration monitoring demonstrates non-compliance with the vibration building damage limits identified in the approved SSCNVMP, the construction activity responsible for the exceedance shall cease as soon as safe and practicable to do so. A detailed building condition survey shall then be undertaken by a suitably qualified engineer to determine if any damage has occurred. The survey shall include, but not be limited to, the following: • • •

Comparison of existing condition of building including existing levels of any aesthetic damage or structural damage against pre-construction building survey. Recording (including photographs) the major features of the buildings including location, type, construction, age and present condition, including defects (cracks). Preparation of a report recording the findings of the survey. A copy of the report will be given to the building owner and another copy will be kept at the site office.

If damage has not occurred then that activity can continue provided the measured vibration level is not exceeded further. If minor damage has occurred, such as cosmetic cracks, further mitigation will be applied if practicable. However, the activity can continue provided the measured vibration level is not exceeded further for non-heritage/vibration sensitive buildings. Works at heritage buildings can continue after structural engineer’s confirmation that no further damage will occur and building is structurally safe for occupation with further consultation by the communications team on ongoing methodologies with the occupants to ensure peace of mind of building safety. If moderate or severe damage has occurred and the best practicable option has been implemented, it will be necessary to stop work, if safe to do so, and investigate alternative construction methods. All damage due to construction activities will be repaired within a reasonable timeframe after the construction phase ceases.

9.4 Vibration – Amenity If a complaint is made by a building occupant with regard to vibration levels, vibration monitoring will be conducted in the relevant rooms of the building (provided the owner’s consent is gained). If the limits are found to be exceeded then a SSCVMP will be prepared for that receiver.

9.5 Additional measures Where noise and vibration impacts are unavoidable and significant after all reasonable and practicable measures are implemented, alternative mitigation measures, such as temporary relocation or the provision of architectural treatments, will be considered. Temporary relocation involves the relocation of affected occupants for short periods of time where all reasonable and practicable measures and respite periods are implemented and further mitigation is impractical. Architectural treatments may also be sought and involve the provision of alternative ventilation where windows are to remain closed in order to further mitigate noise effects.

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| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan

Page 36

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan

Appendix A: ISCA Requirements

Page 36

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan

Appendix B: Staging Drawings

Page 38

| Karangahape Station Main Works

ISO A1 594mm x 841mm

1: Q4 2019 - Q1 2020 (continuation from Early Works)

SITE ACESS

TRAFFIC MANAGEMENT: Road closure and parking closure signage erected (if not previously done during Early Works). Traffic attenuator trucks temporarily diverting traffic. Traffic barriers and cones setup behind safety of attenuator trucks. Necessary line-marking conducted. -

SITE ACESS SITE OFFICE

SITE

STO

RAG

MAIN SHAFT PLATFORM

SIT

CES S

STORAGE AREAS

HOARDING INSTALLATION: Approx. 450m, combination of fixed and movable barriers, completing installation from Early Works. Traffic attenuator trucks temporarily diverting traffic. 1. 2. Crane truck deliver and install fencing. 3. Drill/fix hoarding posts into ground/concrete blocks. Traffic barriers installed on Mercury Lane. 4. Install plywood and banners for hoarding. 5. Road closure and parking closure signage repositioned accordingly. Necessary line-marking conducted. 6.

SITE FACILITIES/CSA: Continue setup from Early Works. Storage containers. 1. 2. Install supply conduits/pipes to shaft area for D-Wall construction within CSA. 3. Set up environmental controls. 4. Set up waste management area. Water treatment and covered spoil areas. 5.

GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00 FIRST_ISSUE REV

DESCRIPTION

CHP

CHECKED

DATE

APPROVED

DATE

This drawing is confidential and shall only be used for the purpose of this project. The signing of this title block confirms the design and drafting of this project have been prepared and checked in accordance with the Link Alliance quality assurance system to ISO 9001-2000.

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - CON - LKA - DRG - XXXX00

REVISION

A00

ISO A1 594mm x 841mm

2: Q1 - Q2 2020

SITE ACESS

SITE ACESS SITE OFFICE

SITE

STO RAG E

MAIN SHAFT PLATFORM

4. 5. 6. 7. 8. 9. 10. 11.

ACE

BATCH PLANTS FOR D-WALLS

SIT E

1. 2. 3.

D-WALL CONSTRUCTION: Remove redundant services. Set up batch plant for D-Wall construction. Excavate guide wall perimeter, 600m3 muckaway 190m (L) x 2m (W) x 1.5m (D) Construct concrete guide walls, pour 150m3 concrete. Mobilise Hydrofraise cutter, grab crane and service crane. Excavate D-Walls in stages with bentonite/polymer installation. Progressively muck away spoil, approx 3,100m3 total. Progressively deliver reinforcement cages for D-Walls. Pour concrete for D-Wall in stages, total 3,100m3. Vacuum top of concrete to cut off level. Demobilise Hydrofraise, grab crane and batch plant.

D-WALL .

GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX00 A00

ISO A1 594mm x 841mm

3: Q1 - Q3 2020

PARKING CLOSURE

SITE ACESS

SITE OFFICE

STO RAG

TEMP SHAFT

SITE

MAIN SHAFT PLATFORM

BATCH PLANTS FOR D-WALLS

SITE ACESS

SIT

TEMPORARY SHAFT CONSTRUCTION: 17m diameter, 22m deep excavated shaft for mined tunnel access. 1. Install sheet-piles down to rock head. 2. Construct foundations and working platform. 3. Excavate temporary shaft down to rock level, muck away approx 2500m3 spoil. 4. Install ring beams progressively. 5. Break through rock down to required depth, cart out approx. 2000m3 rock. 6. Install rock bolts and shotcrete as necessary. Construct noise shelter above excavated shaft 7. opening.

CES

SPOIL AREA

GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00 FIRST_ISSUE REV

DESCRIPTION

CHP

CHECKED

DATE

APPROVED

DATE

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - CON - LKA - DRG - XXXX00

REVISION

A00

ISO A1 594mm x 841mm

4: Q2 - Q3 2020

SITE ACESS SITE ACESS SITE OFFICE

SITE

STO RAG

TEMP SHAFT

EXCAVATION AREA AND CONCRETE SLAB

SPOIL AREA

SIT EA CES S

STORAGE,ENVIROMENTAL BATCH PLANTS AND COVERED CONTROLS FOR D-WALLS SPOIL AREA

TEMPORARY PLUNGED-IN COLUMNS: Approximately 17no. steel columns 35m deep. Drill bored pile with temp support casing as necessary to required depth. Muck-away approx. 500m3 bored pile material. Progressively deliver plunged column sections to site. Weld together for full column length. Install column into pile and pour concrete. Backfill above concrete cut-off as required. Repeat at all proposed column positions.

1. 2. 3. 4. 5. 6. 7.

GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX00 A00

ISO A1 594mm x 841mm

5: Q3 2020

INDICATIVE OPENINGS IN GROUND LEVEL CONCRETE SLAB

SITE ACESS

SITE

STO

RAG

SITE OFFICE

EXCAVATION AREA AND CONCRETE SLAB

SIT E

ACE

STORAGE,ENVIROMENTAL BATCH PLANTS CONTROLS AND COVERED FOR D-WALLS SPOIL AREA

L0 GROUND FLOOR SLAB CONSTRUCTION: Breakout concrete guide walls and clear rubble. Excavate ground floor slab area approx. 45m (W) x 40m (L) x 1.1m (D) Muck away approx 1,800m3 spoil. Progressively deliver reinforcement for slabs. Construct 1000mm thick floor slab (underground station roof), approx. 1,600m3 concrete.

1. 2. 3. 4. 5.

GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX00 A00

ISO A1 594mm x 841mm

L0 ML ENTRANCE SSL 58893

PARKING CLOSURE

6: Q4 2020 - Q2 2021

B1 ML SOUTH SSL 51643

B2 ML SOUTH SSL 45493

ML SOUTH DWALL TOE 43150

B3 ML SOUTH SSL 40442 B4 ML SOUTH SSL 39643 B5 ML SO UTH SSL

38367

B6 PLATFORM SSL 33643 B7 UNDER PLATFORM SSL 32243

SITE ACESS

SITE

STO R

AGE

SITE OFFICE

LEVEL 1 AND B2 CONSTRUCTION BELOW GROUND

SIT

CES

STORAGE,ENVIROMENTAL BATCH PLANTS CONTROLS AND COVERED FOR D-WALLS SPOIL AREA

TOP DOWN CONSTRUCTION B1-B2 BELOW GROUND L0: 1. Level B1 excavate 8,700m3 spoil 2. Level B1 pour concrete 950m3 3. Level B2 excavate 7,400m3 spoil 4. Level B2 pour concrete 900m3 Part of B2 excavation may be through rock 5. Crawler crane extract skips with spoil to ground level. 6. Tipper trucks move spoil to site stock pile or muck away off site. 7. Progressively deliver steel reinforcement and concrete. GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX00 A00

ISO A1 594mm x 841mm

7: Q1 2021- Q2 2022

PARKING CLOSURE

B5 ML SO UTH SSL

38367

B6 PLATFORM SSL 33643 B7 UNDER PLATFORM SSL 32243

SITE ACESS SITE ACESS

SITE

STO

RAG

SITE OFFICE

LEVEL B4,B6,B7 CONSTRUCTION BELOW GROUND

BOTTOM UP CONSTRUCTION B4, B6, B7: Level B4: rock break and excavate 6,400m3. Shotcrete and rock bolt as required. Level B6: rock break and excavate 5,300m3. Shotcrete and rock bolt as required. Level B7: rock break and excavate 2,500m3. Shotcrete and rock bolt as required Install drainage system level B7. Level B7: Construct concrete floor slab 1,400m3. Construct walls 700m3. Install temporary steel props to support construction of Level B4 slab. Level B4: Construct concrete floor slab 800m3, construct walls 550m3.

3. 4. 5. 6.

CES

STORAGE,ENVIROMENTAL BATCH PLANTS AND COVERED CONTROLS FOR D-WALLS SPOIL AREA

SIT EA

GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX00 A00

ISO A1 594mm x 841mm

8: Q1 2021 - Q3 2022

SITE ACESS

SITE

STO

RAG

SITE OFFICE

MECHANICAL, ELECTRICAL, FIRE & HYDRAULIC (MEFH): 1. Deliver MEFH equipment to site above ground, including: Escalators Elevators Tunnel Ventilation Bathrooms Pipes/ducts Cables, fixtures, tiles, etc 2. Unload MEFH from semi trailers into site. Lower MEFH equipment into station levels via openings and in3. stall

SIT EA

CES

STORAGE,ENVIROMENTAL CONTROLS AND COVERED SPOIL AREA

GENERAL LAYOUT NTS

MERCURY LANE SITE OUTLINE

PARKING CLOSURES DESIGNATION BOUNDRY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

MDS DRAWN

TITLE:

HCO A00FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX00 A00

ISO A1 594mm x 841mm

Q2 2020 - Q4 2023

MINED TUNNEL BERESFORD SQUARE SHAFT

MINED TUNNEL

TEMP SHAFT MERCURY LANE SHAFT

NOISE ENCLOSURE

SPOIL AREA

MINED TUNNEL CONSTRUCTION: Works beneath noise shelter at Temporary Shaft. Gantry crane used to lift in/out plant, equipment and materials. Large excavator to commence cross adit. 1. 2. Road-header mines cross adits and platform tunnels. 3. Rock anchors and shotcrete progressively installed. 4. Excavators and loaders collect excavated material. 5. Dumper trucks cart material to base of Temp shaft. 6. Gantry crane extracts skips with excavated material to ground level. 7. Excavators/Loaders load material to tipper/dump trucks. 8. Dump trucks muck away from noise shelter to designated site stock pile or cart off site. 9. Permanent concrete lining constructed. 10. 10. Fit out including precast / insitu concrete platforms GENERAL LAYOUT

NTS

KROAD STATION SITE OUTLINE DESIGNATION BOUNDARY PARKING CLOSURES COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED -

TITLE:

HCO A00 FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

KARANGAHAPE_STATION

ZONE:

MDS DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE_&_MERCURY_LANE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX00 A00

.0 55

54.2

57.6 60.6

55.2

54.4

.4 57

54.0

60.8

SLIDING GATE SITE EXIT

54.2

60.0

54.0

57.4

60 .4

ISO A1 594mm x 841mm

.2 60

53.6

54 .4

54.8

55.0

55.2

55.4

.6 55

56.0

56.2

56.4

56.6

58.4

58.6

56.8

58.0

.0 59

59.4

58.8

TURNSTILE

55.8

.0 57

.2 58

54.0

53.6

59.2

53.8

59.4

54.8

59.6

61.8

53 .8

59.8

62.0

54.8

.4 55

56.6

53.6

54.0

.0 54

53 .6

53.8 56.2

55.8

54.2

53.6

.6 53 54.0

.2 54

.4 54

.6 54

.8 54

+53 .0

gate box 55.0

55.2

55.4

5.6 .8 56

54.0

53.8

53.2

53.6

.4 53

56.4

57.0

.6 57

57.8

57 .2

58.0

Wheel Wash

60.2

OFFICE

57.0

56 .8 .2

55 .6

54.6

59.0

59.2

54.4

.6 59

.2 60

53.4

gate box

58.6

53.2

INTERNAL PLATFORM SUPPORT COLUMNS

53 .8

60.4

54.6

57.2

58.4

59.8 60 .0

61.0

60.6

JET FAN

58.0

58.8 58.6 58.58. 4 2

53.8

60.2

58.8

UTILITY SERVICES CORRIDOR (NO HEAVY LOAD ABOVE)

59.4

60.8

53.8 53

60.2

54.4

61.2

54.8

57.4

57.6

57.8

MERCURY LANE

.6 60

61.4

61.6

61.8

.0 61

53.8

62.0

62.2

53.4

.2 61

53.6

56 .6

60.0

58 .8 59.8

OFFICE

53.2

55 .6

55.4

.0 56

55.8

56 .4

56 .2

PREMIX SHOTCRETE SILO 53.0

59.0

53.2

53.0

53.4

59.2

53.8

COMPRESSOR SILO

59.4

FUEL TANK

53.2

GANTRY CRANE

59.6

53.4

53.6

SILO ET

53.2

AIR TANK

TGBT

53.0

+53 .8 TOP PILE OF SH E

WATER TANK

WATER TREATMENT PLANT

52.8

52.6

1.4

EXCAVATOR PLATFORM

53.0

52.8 52.4

52.6

TRUCKS RIGHT TURN

52.4

52.6

52.4

shotcrete

.6 52

52.4

GZ KIN

52.4

52.6

51.8

ga t bo e x

SLOPE: 9.0%

52.2

51.8

52.0

PAR

51.8

52.2

51.6

52.2

52.0

52.4

+53

Trailer

52.4

52 .0

CA NA D

52.0

+55

52.4

52.2

+52 .4

52.2

bolter A -

52.2

Dump Truck

LOADING AREA

+52 .6

SPOIL

+52 .6

52.6

52.4

roadheader

52.6

52.8

STORAGE AREA

52.8

53 .0

53.0

WATER TANK

52.6

1.8

53.0

+55

OFFICE

52.8

52.4

52.6

52.2

53.0

52 .8

52.0

53.2

53.4

53.6

53.8

54.0

54.2

54.4

54.6

54.8

55.0

55.2

55.4

55.6

55.8

56.0

56.2

56.6

56.8

57.0

57.2

57.4

57.6

57.8

51.8

52.2

56.4

SLIDING MAIN GATE ENTRY

B -

PLAN

54.2

54.4

58.0

57.8

53.6

57.8

NTS 53.0

53.2

52.6

52.8

53.0

53.2

54.0

53.8

54.6

55.0

55.2

55.4

55.6

55.8

56.0

56.2

.0 57

.2 57

56 .8

57.6

56 .6

57.4

57.8

52.4

.0 58.0 58

.4 53

54.8

53.4

52.2

53.8

SITE ASPHALT AREA SITE ROAD PEDESTRIAN WALKWAY COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

NOISE ENCLOSURE OUTLINE

GANTRY RANGE INTERNAL PLATFORM

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

PROJECT:

ASO DRAWN A01 2ND_ISSUE

CHP

A00 FIRST_ISSUE REV

DESCRIPTION

TITLE:

HCO

CHP

CHECKED

DATE

APPROVED

DATE

CHP

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

MERCURY_SHAFT SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - CON - LKA - DRG - 102500

REVISION

A01

ISO A1 594mm x 841mm

3,1%

50t

JET FAN

TECHNICAL AREA

INTERNAL STEEL PLATFORM - LIVE LOAD = 350 kg/mÂ² SUPPORT COLUMN

+55.0

RL 53.80 m

+54.0

SPOIL

+53.0

+52.6 (exist)

562.0071

SHAFT BEYOND

B5 PLATFORM 33.643

SECTION A Link Alliance has prepared this document for the sole use of the client and for a specific purpose, each as expressly stated in the document. No other third party should rely on this document without the written consent of Link Alliance. Link Alliance undertakes no duty, nor accepts any responsibility, to any third party who may rely upon or use this document.

CREATOR ID : 70

100mm

SIZE A1

STATUS APPROVED

PROJECT:

A01 2ND_ISSUE

CHP

A00 FIRST_ISSUE DESCRIPTION

TITLE:

HCO

CHP

CHECKED

DATE

APPROVED

DATE

CHP

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

ASO DRAWN

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

MERCURY_SHAFT SITE_LAYOUT SECTION_A-A PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - CON - LKA - DRG - 102501

REVISION

A01

ISO A1 594mm x 841mm

NOISE ENCLOSURE BLDG

GANTRY CRANE (50 TON CAPACITY) EXCAVATOR

SPOIL

+55.0

SLOPE 9% APPROX

RL 53.80 m

+52.6 (exist.)

+53.0

+52.6

EXCAV. PLATFORM GROUND SLAB

SHAFT BEYOND 562.0071

SITE HOARDING FENCE

ADIT BEYOND

B5 PLATFORM 33.643

SECTION B Link Alliance has prepared this document for the sole use of the client and for a specific purpose, each as expressly stated in the document. No other third party should rely on this document without the written consent of Link Alliance. Link Alliance undertakes no duty, nor accepts any responsibility, to any third party who may rely upon or use this document.

CREATOR ID : 70

100mm

SIZE A1

STATUS APPROVED

PROJECT:

A01 2ND_ISSUE

CHP

A00 FIRST_ISSUE DESCRIPTION

TITLE:

HCO

CHP

CHECKED

DATE

APPROVED

DATE

CHP

CITY RAIL LINK KARANGAHAPE_STATION

ZONE:

ASO DRAWN

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

MERCURY_SHAFT SITE_LAYOUT SECTION_B-B PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - CON - LKA - DRG - 102502

REVISION

A01

ISO A1 594mm x 841mm

PARKING CLOSURE

1: Q1 - Q2 2020 BUS S TOP R

SITE FACILITIES/CSA: Continue setup from Early Works. Storage containers. 1. 2. Install Retaining walls 3. Supply conduits/pipes to shaft for D-Wall construction. Excavate trench 50m (L) x 2m (W) x 1m (D) in road reserve (100m3), install pipes and backfill. Pedestrian access and private parking shall be maintained. 4. Set up environmental controls. 5. Set up waste management area. Water treatment and covered spoil areas. 6.

EMOVE D

PRIVATE ACCESS MAINTAINED

MAIN SHAFT PLATFORM

HOARDING/BARRIERS RETAINING WALL

STORAGE AREA

S ES AC E SIT 50m (L) x 2m (W) x 1m (D) TRENCH FOR D-WALL PIPES/CONDUITS SITE OFFICES, WELFARE FACILITIES AND SERVICE SET-UP DURING EARLY WORKS

ROAD CLOSED

RO -

ve ro ED s or te p OS icle priva CL o veh ss to ed

IT EX

ce tain in ma

E SIT

ng rki pa s le rtie hic pe

PARKING CLOSURE

GENERAL LAYOUT

NTS

BERESFORD SQUARE SITE OUTLINE

DESIGNATION BOUNDARY PARKING CLOSURES COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

TRAFFIC MANAGEMENT: Majority conducted during Early Works Traffic attenuator trucks temporarily diverting traffic. Traffic barriers and cones setup behind safety of attenuator trucks. Road closure and parking closure signage erected. Necessary line-marking conducted. Bus stops removed on Pitt Street. HOARDING INSTALLATION: Approx. 600m, combination of fixed and movable barriers. Traffic attenuator trucks temporarily diverting traffic. 1. 2. Crane truck deliver and install fencing. 3. Drill/fix hoarding posts into ground/concrete blocks. 4. Install plywood and banners for hoarding. 5. Road closure and parking closure signage repositioned accordingly. 6. Necessary line-marking conducted. STATUS APPROVED -

TITLE:

HCO A00 FIRST_ISSUE REV

DESCRIPTION

CHP

CHECKED

DATE

APPROVED

DATE

KARANGAHAPE_STATION

ZONE:

MDS DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - CON - LKA - DRG - XXXX01

REVISION

A00

ISO A1 594mm x 841mm

2: Q2 - Q4 2020

MAIN SHAFT PLATFORM PERIMETER GUIDE WALL

DIAPHRAGM WALL

D-WALL CONSTRUCTION: D-walls constructed in stages together with hoarding re-positioning to maintain vehicle access to private properties, trafficable plates may be used in conjunction Remove redundant services. 1. 2. Set up batch plant for D-Wall construction. 3. Excavate shaft perimeter, 600m3 muckaway approx. 200m (L) x 2m (W) x 1.5m (D) 4. Construct concrete guide walls, pour 200m3 concrete. 5. Mobilise Hydrofraise cutter, grab crane and service crane. 6. Excavate D-Walls in stages with bentonite/polymer installation. 7. Progressively muck away spoil with staged stockpiling at CSA, approx 4,000m3 total. 8. Progressively deliver reinforcement cages for D-Walls. 9. Pour concrete for D-Wall in stages, total 4,000m3. 10. Vacuum top of concrete to cut off level. 11. Demobilise Hydrofraise and grab crane.

SILOS

STORAGE

DESANDER PLANT

E SIT

SITE OFFICES, WELFARE FACILITIES AND SERVICE SET-UP DURING EARLY WORKS

ES AC

ROAD CLOSED

AD RO -

ng rki pa s le rtie hic pe ve ro ED s or te p OS icle priva CL veh to no cess ined ac inta ma

EA SIT

GENERAL LAYOUT

NTS

BERESFORD SQUARE SITE OUTLINE DESIGNATION BOUNDARY PARKING CLOSURES COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED -

TITLE:

HCO A00 FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

KARANGAHAPE_STATION

ZONE:

MDS DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX02 A00

ISO A1 594mm x 841mm

3: Q4 2020 - Q1 2021

INDICATIVE FLOOR SLAB OPENINGS FOR CONSTRUCTION ACCESS

GROUND LEVEL EXCAVATION AND L0 CONCRETE SLAB

STORAGE AREA

EA SIT

L0 GROUND FLOOR SLAB CONSTRUCTION: Breakout concrete guide walls and clear rubble. 1. 2. Excavate proposed shaft ground floor/roof slab area 20m (W) x 90m (L) x 1.5m (D) 3. Combined muckaway and/or stockpile at CSA 1,600m3. 4. Progressively deliver reinforcement for slabs. 5. Construct reinforced concrete floor slab (station roof), approx 1,500m3 concrete. Sections of concrete slab shall be constructed in stages to maintain vehicle access to private parking. Trafficable plates may also be utilised as crossings.

STORAGE AREA

SITE OFFICES, WELFARE FACILITIES AND SERVICE SET-UP DURING EARLY WORKS

ROAD CLOSED -

RO ng rki pa s le rtie hic pe ve ro ED s or te p OS hicle priva ve to no cess ined ac inta ma

EA SIT

GENERAL LAYOUT

NTS

BERESFORD SQUARE SITE OUTLINE DESIGNATION BOUNDARY PARKING CLOSURES COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED -

TITLE:

HCO A00FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

KARANGAHAPE_STATION

ZONE:

MDS DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX03 A00

ISO A1 594mm x 841mm

4: Q1 2021 - Q4 2021 nG

L1 BS ROOF SSL 70693

L0 BS ENTRANCE SSL 64593

B1 BS NORTH SSL 58643

B2 BS NORTH SSL 53643

◄ WEST

EAST ►

INDICATIVE FLOOR SLAB OPENINGS FOR CONSTRUCTION ACCESS

B3 BS NORTH SSL 48643

B4 BS NORTH SSL 43643

T AS

B5 BS NORTH SSL 38643

B6 PLATFORM SSL 33643 B7 UNDER PLATFORM SSL 32243

◄

T ES W

►

L0 CONCRETE SLAB

EA SIT

S CE

TOP DOWN CONSTRUCTION BELOW L0: EAST section levels B1 & B2. WEST section levels B1, B2, B3 & B4. Position hoarding into required locations for remainder of Top-Down construction 1. phase. 2. Maintain necessary traffic management to allow access for vehicles to private property parking. 3. Excavate and top-down construct station slabs below L0 4. Level B1 EAST & WEST: excavate 8,000m3, pour concrete 900m3 5. Level B2 EAST & WEST: excavate 8,000m3, pour concrete 1,300m3 Part of Level B3 and B4 excavation may be through rock. 6. Level B3 EAST: rock break and excavate 3,800m3, pour concrete 600m3 7. Level B4 EAST: rock break and excavate 3,000m3, pour concrete 480m3 8. Crane extracts skips with spoil to ground level. 9. Tipper trucks move spoil to site stock pile or muck away off site. 10. Multiple deliveries of steel and concrete.

ROAD CLOSED

AD RO ng rki pa s le rtie hic pe ve ro ED s or te p OS hicle priva ve to no cess ined ac inta ma

S CE EA T I S

GENERAL LAYOUT

NTS

BERESFORD SQUARE SITE OUTLINE DESIGNATION BOUNDARY PARKING CLOSURES COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED -

TITLE:

HCO A00 FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

KARANGAHAPE_STATION

ZONE:

MDS DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX04 A00

ISO A1 594mm x 841mm

5: Q4 2021 - Q4 2022 nG

L1 BS ROOF SSL 70693

L0 BS ENTRANCE SSL 64593

B1 BS NORTH SSL 58643

B2 BS NORTH SSL 53643

◄ WEST

EAST ►

INDICATIVE FLOOR SLAB OPENINGS FOR CONSTRUCTION ACCESS

B3 BS NORTH SSL 48643

B4 BS NORTH SSL 43643

B5 BS NORTH SSL 38643

B6 PLATFORM SSL 33643 B7 UNDER PLATFORM SSL 32243

T ES

►

◄

L0 CONCRETE SLAB

SS CE

EA SIT

ROAD CLOSED

ng rki pa s le rtie hic pe ve ro ED s or te p OS hicle priva ve to no cess ined ac inta ma

S CE

AD RO -

EA SIT

GENERAL LAYOUT

NTS

BERESFORD SQUARE SITE OUTLINE DESIGNATION BOUNDARY PARKING CLOSURES COMPANY NUMBER : 6267870 10

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

BOTTOM UP CONSTRUCTION: EAST section levels B5, B6 & B7. WEST section level B3. 1. Level B5 EAST: rock break and excavate 2,500m3. Shotcrete and rock bolt as required. 2. Level B6 EAST: rock break and excavate 2,500m3. Shotcrete and rock bolt as required. 3. Level B7 EAST: rock break and excavate 1,000m3. Shotcrete and rock bolt as required. 4. Install drainage system and structures at Level B7. 5. Level B3 WEST: rock break and excavate 5,400m3, pour concrete slab 700m3, construct walls 450m3. 6. Level B7 EAST: Construct concrete slab 400m3, construct walls 350m3. 7. Install temporary steel props to support construction of B5 East. 8. Level B5 EAST: Construct concrete slab 400m3, construct walls 270m3. 9. Level B6 EAST: Construct station platform (in-situ and precast concrete) approx. 200m3. STATUS APPROVED -

TITLE:

HCO A00 FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

KARANGAHAPE_STATION

ZONE:

MDS DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX05 A00

ISO A1 594mm x 841mm

6: Q2 2021 - Q1 2023

INDICATIVE FLOOR SLAB OPENINGS FOR CONSTRUCTION ACCESS

T AS

T ES

◄

►

L0 CONCRETE SLAB

EA SIT

ROAD CLOSED

AD RO ng rki pa s le rtie hic pe ve ro ED s or te p OS icle priva CL veh to no cess ined ac inta ma

EA SIT

GENERAL LAYOUT

NTS

BERESFORD SQUARE SITE OUTLINE DESIGNATION BOUNDARY PARKING CLOSURES COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED -

TITLE:

HCO A00 FIRST_ISSUE REV

CHP DESCRIPTION

APPROVED

CHECKED

DATE

KARANGAHAPE_STATION

ZONE:

MDS DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE CONSTRUCTION_SITE_LAYOUT PLAN_VIEW PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

REVISION

- DRG - XXXX06 A00

ISO A1 594mm x 841mm

+53

.00

HOPETO UN

PROTE SLAB CTION

.00

+58

ru Rigid T Medium

ALPHA

.15 +55

PROTE SLAB CTION

B-TraEin (N12.T5Rm mY in. radius)

ET TRE T S

PIT

SFOR D

SQUA

ENTRY

BERE

ENTRY

Medium Rigid Tru

Semi-Trailer

Medium Rigid Truck

B9 Vehicle (8m min radius) (20 4) NA

ENTRY

B9 Vehicle (Realistic min radius) (20 4)

BERESFORD SQUARE SITE SET-UP (CONSTRUCTION) STAGE) NTS

FENCE PANEL HOARDING PEDESTRIAN WALKWAY RETAINING WALL COMPANY NUMBER : 6267870 0

CREATOR ID : 70

100mm

SCALE

SIZE

AS SHOWN

DESIGNED REVISIONS

CLIENT:

STATUS APPROVED

A01 GENERAL_UPDATE

CHP

A00 FIRST_ISSUE REV

DESCRIPTION

TITLE:

HCO

CHP

CHECKED

DATE

APPROVED

DATE

CHP

KARANGAHAPE_STATION

ZONE:

ASO DRAWN

CITY RAIL LINK

PROJECT:

BERESFORD_SQUARE SITE_LAYOUT_CONSTRUCTION_STAGE PLAN PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

CRL - KRD - CON - LKA

TYPE

SHEET

- DRG - 114500

REVISION

A01

Construction Noise and Vibration Delivery Work Plan

Appendix C: Construction Noise Contours

Page 39

| Karangahape Station Main Works

P o yn to nT errace

7 0 -2 3 0 2

4 8 1

e nu ve A ys re G

2 0 2 1 1 2

8 7

5 1 2

2 1 -2 8 0 2

C rossS treet

ÂŻ

IS O A 32 9 7 m m x4 2 0 m m

3 8 1 3 9 -1 1 9 1

7 1 2 0 4

1 2 2 6 -7 0 7

4 1 2

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8 6

t en nc et Vi tre S

9 2 2

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M ercur yLan e 3 4 2

1 5

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et tre nS ou et op H

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Sa m oa Ho us e La ne

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0 9 2

8 1

2 1

0 1 3 8 2 2 9 2

5 9 2

treet astS E

2 9 2

2 2

3 2 7 0 -3 3 0 3 1 2

6 3

9 0 3

4 2 -3 2 2 3

1 2 3

4 1

9 -1 5 1

7 1

7 2 3

an m ard o B Lane

5 2

C L IE N T :

L in kA llia n c eh a sp re p a re dth isd o c u m e n tfo rth es o leu s eo fth ec lie n ta n dfo ras p e c ific p u rp o s e ,e a c ha se x p re s s lys ta te dinth ed o c u m e n t.N oo th e rth irdp a rtys h o u ldre lyo nth is d o c u m e n tw ith o u tth ew ritte nc o n s e n to fL in kA llia n c e .L in kA llia n c eu n d e rta k e sn od u ty ,n o r a c c e p tsa n yre s p o n s ib ility ,toa n yth irdp a rtyw h om a yre lyu p o no ru s eth isd o c u m e n t. T h iss k e tc hisc o n fid e n tia la n ds h a ll o n lyb eu s e dfo rth ep u rp o s eo fth isp ro je c t

0 2 04 06 08 01 0 0M e te rs

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H ig Stat hw e ay 16

C O M P A N YN U M B E R:6 2 6 7 8 7 0

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treet ayS D

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9 1

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K ara nga hap eR oad

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C R E A T O RID:

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l rcia e m m o C

n ctio stru n o rC e d n U

C a n o p y

7 5

l ra ltu u C

8 0

l tia n e sid e R

s ice rv e cyS n e rg e m E a re ta n e sm sse ea tsid u O

8 5

ty p m E

9 0

re ca lth a e H se dU e ix M

N o isew a lls

P R O J E C T :

C IT YR A ILL IN K

Z O N E :

K a ra n g a h a p eS ta tio n

P re d ic te dc o n s tru c tio nn o is e B e re sfo rdS q DW a ll

T IT L E :

C R LD e sig n a tio n t n e m n lig lA e n n u T

D O C U M E N T :

P R O J E C T

Z O N E

C R L

S Y W

R G A N IS A T IO N D IS C IP L IN E O

L A N

C 3

T Y P E

S H E E T

R E V IS IO N

S K E

0 0 3 5

P o yn to nT errace

7 0 -2 3 0 2

4 8 1

e nu ve A ys re G

2 0 2 1 1 2

8 7

5 1 2

2 1 -2 8 0 2

C rossS treet

ÂŻ

IS O A 32 9 7 m m x4 2 0 m m

3 8 1 3 9 -1 1 9 1

7 1 2 0 4

1 2 2 6 -7 0 7

4 1 2

5 2 2

8 6

t en nc et Vi tre S

9 2 2

0 8 2 8 8 4

4 2

5 3 2

8 3 2

P ittS treet

M ercur yLan e 3 4 2

1 5

1 4

-6 4

9 3 3 5 -2 1 5 2 1 2 -1 8

1 6 -2 9 5 2

Be re sf or d Sq ua re

S tJam esS treet

et tre nS ou et op H

6 5 2 4 6 -2 8 5 2

8 6 2 0 7 2 0 8 -2 8 7 2

8 -1 6 1 1 8 -2 7 6 2

6 8 -2 4 8 2 4 1

Sa m oa Ho us e La ne

6 1

0 9 2

8 1

2 1

0 1 3 8 2 2 9 2

5 9 2

treet astS E

2 9 2

2 2

3 2 7 0 -3 3 0 3 1 2

6 3

9 0 3

4 2 -3 2 2 3

1 2 3

4 1

9 -1 5 1

7 1

7 2 3

an m ard o B Lane

5 2

C L IE N T :

0 2 04 06 08 01 0 0M e te rs

1 3

H ig Stat hw e ay 16

C O M P A N YN U M B E R:6 2 6 7 8 7 0

2 1 3

treet sS alato G

St at eH igh S w tate A ay H ighw uckl 1 ay1 and -H M oto am il rw ay ton

treet ayS D

C :\T e m p \P ro je c tW o rk \C R L \N Z \0 6 _ W o rk in g \2 0 1 9 0 8 0 2 _ A O T E A _ S h o p s \L in k _ A llia n c e _ C R L _ B u ild in g s _ 2 0 1 9 0 8 0 5 .m x d

9 1

6 4 2

K ara nga hap eR oad

5 -6 1 6

9 5

7 4

C R E A T O RID:

M a x im u m N o iseL e v e ls-d BLAFm s g in ild u a x B 6 0

rk a rP a C

io d tu S

C o n stru ctio na re a s

6 5

rch u h C

tre a e h T

7 0

l rcia e m m o C

n ctio stru n o rC e d n U

C a n o p y

7 5

l ra ltu u C

8 0

l tia n e sid e R

s ice rv e cyS n e rg e m E a re ta n e sm sse ea tsid u O

8 5

ty p m E

9 0

re ca lth a e H se dU e ix M

N o isew a lls

P R O J E C T :

C IT YR A ILL IN K

Z O N E :

K a ra n g a h a p eS ta tio n

P re d ic te dc o n s tru c tio nn o is e B e re sfo rdS qC o n cre teS la b

T IT L E :

C R LD e sig n a tio n t n e m n lig lA e n n u T

D O C U M E N T :

P R O J E C T

Z O N E

C R L

S Y W

R G A N IS A T IO N D IS C IP L IN E O

L A N

C 3

T Y P E

S H E E T

R E V IS IO N

S K E

0 0 3 4

P o yn to nT errace

7 0 -2 3 0 2

4 8 1

e nu ve A ys re G

2 0 2 1 1 2

8 7

5 1 2

2 1 -2 8 0 2

C rossS treet

ÂŻ

IS O A 32 9 7 m m x4 2 0 m m

3 8 1 3 9 -1 1 9 1

7 1 2 0 4

1 2 2 6 -7 0 7

4 1 2

5 2 2

8 6

t en nc et Vi tre S

9 2 2

0 8 2 8 8 4

4 2

5 3 2

8 3 2

P ittS treet

M ercur yLan e 3 4 2

1 5

1 4

-6 4

9 3 3 5 -2 1 5 2 1 2 -1 8

1 6 -2 9 5 2

Be re sf or d Sq ua re

S tJam esS treet

et tre nS ou et op H

6 5 2 4 6 -2 8 5 2

8 6 2 0 7 2 0 8 -2 8 7 2

8 -1 6 1 1 8 -2 7 6 2

6 8 -2 4 8 2 4 1

Sa m oa Ho us e La ne

6 1

0 9 2

8 1

2 1

0 1 3 8 2 2 9 2

5 9 2

treet astS E

2 9 2

2 2

3 2 7 0 -3 3 0 3 1 2

6 3

9 0 3

4 2 -3 2 2 3

1 2 3

4 1

9 -1 5 1

7 1

7 2 3

an m ard o B Lane

5 2

C L IE N T :

0 2 04 06 08 01 0 0M e te rs

1 3

H ig Stat hw e ay 16

C O M P A N YN U M B E R:6 2 6 7 8 7 0

2 1 3

treet sS alato G

St at eH igh S w tate A ay H ighw uckl 1 ay1 and -H M oto am il rw ay ton

treet ayS D

C :\T e m p \P ro je c tW o rk \C R L \N Z \0 6 _ W o rk in g \2 0 1 9 0 8 0 2 _ A O T E A _ S h o p s \L in k _ A llia n c e _ C R L _ B u ild in g s _ 2 0 1 9 0 8 0 5 .m x d

9 1

6 4 2

K ara nga hap eR oad

5 -6 1 6

9 5

7 4

C R E A T O RID:

M a x im u m N o iseL e v e ls-d BLAFm s g in ild u a x B 6 0

rk a rP a C

io d tu S

C o n stru ctio na re a s

6 5

rch u h C

tre a e h T

7 0

l rcia e m m o C

n ctio stru n o rC e d n U

C a n o p y

7 5

l ra ltu u C

8 0

l tia n e sid e R

s ice rv e cyS n e rg e m E a re ta n e sm sse ea tsid u O

8 5

ty p m E

9 0

re ca lth a e H se dU e ix M

N o isew a lls

P R O J E C T :

C IT YR A ILL IN K

Z O N E :

K a ra n g a h a p eS ta tio n

P re d ic te dc o n s tru c tio nn o is e B e re sfo rdS qO p e ne x ca v a tio n

T IT L E :

C R LD e sig n a tio n t n e m n lig lA e n n u T

D O C U M E N T :

P R O J E C T

Z O N E

C R L

S Y W

R G A N IS A T IO N D IS C IP L IN E O

L A N

C 3

T Y P E

S H E E T

R E V IS IO N

S K E

0 0 3 6

ÂŻ P o yn to nT errace

7 0 -2 3 0 2

4 8 1

3 2 0 2

4 2

1 1 2

8 7

5 1 2

2 1 -2 8 0 2

7 1 2 1 2 2

4 1 2

5 2 2 9 2 2

0 8 2 8 8 4

5 3 2

8 3 2

P ittS treet

3 5 -2 1 5 2

2 -1 8

1 6 -2 9 5 2

6 4 2

6 5 2 4 6 -2 8 5 2

8 6 2 0 7 2 0 8 -2 8 7 2

8 -1 6 1 1 8 -2 7 6 2

6 8 -2 4 8 2 4 1

Sa m oa Ho us e La ne

6 1

0 9 2

8 1

2 1

0 1 3 8 2 2 9 2

5 9 2

treet astS E

9 2

2 9 2

2 2

7 5 2 2

7 0 -3 3 0 3

1 2 3

2 1 3

4 2 -3 2 2 3

1 3 4 1

treet sS alato G

9 0 3

3 2

treet uthS o S

1 2 9 -1 5 1

7 1

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3 5 0 0

Construction Noise and Vibration Delivery Work Plan

Appendix D: Construction Vibration Contours

Page 40

| Karangahape Station Main Works

P o yn to nT errace

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P R O J E C T :

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M ercur yLan e 3 4 2

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C R E A T O RID:

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3 5 -2 1 5 2

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6 1

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IS O A 32 9 7 m m x4 2 0 m m

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C L IE N T :

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C O M P A N YN U M B E R:6 2 6 7 8 7 0

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C R E A T O RID:

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D O C U M E N T :

P R O J E C T

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C R L

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P ittS treet

3 5 -2 1 5 2

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6 5 2 4 6 -2 8 5 2

8 6 2 0 7 2 0 8 -2 8 7 2

8 -1 6 1 1 8 -2 7 6 2

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3 8 2 2 9 2

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D O C U M E N T :

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P ittS treet

2 -1 8

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A S uckla tateH igh -H w ay1 Mnd am otorw ilton ay

3 5 -2 1 5 2

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6 5 2 4 6 -2 8 5 2

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IS O A 32 9 7 m m x4 2 0 m m

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C L IE N T :

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8 7

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6 8 -2 4 8 2 4 1 6 1

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C O M P A N YN U M B E R:6 2 6 7 8 7 0

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9 2

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P re d icte dv ib ra tio nco n to u rs 2 0m m /s 5m m /s 3m m /s

C O M P A N YN U M B E R:6 2 6 7 8 7 0

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C R E A T O RID:

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P R O J E C T

Z O N E

C R L

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Construction Noise and Vibration Delivery Work Plan

Appendix E: Record of Communication

Page 41

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution

1 Beresford Square – Mixed Use

Interview with building owner

14/11/19

•

Heritage building complex with mixture of commercial on the first two floors and residential in the back and top floors. Concern about dust, noise and vibration impact on the building and his tenants but said they will only get a good indication when works actually start. The building is naturally ventilated only with air vents in every room. Have already invested in secondary glazing to the ground and first floors, but not to the residents above. Main gate to the building is going to be closed and they will install an acoustic barrier on the gate to prevent the majority of noise and dust travelling into the residential areas within the courtyard.

Operates Monday to Saturdays 3pm till late Bar tables are outside on the street Open doors are required for ventilation, in the summer 80% of their patrons sit outside Concern about noise and lack of visibility affecting their business

With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the relevant SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Noise will be intermittent in nature and a 2.4m high noise barrier will be constructed around the construction area for the duration of the main works. Perspex hording is possible to retain visibility. Communications team to discuss further with affected party. Noisy activities outside this property to be scheduled before 3pm, where practicable.

Office building on Level 1 & 2, operates Monday to Fridays during normal office hours 8:30am – 5:30pm Would like works to take place after business hours as noise is a concern

•

4-6 Beresford Square – Northern Bar

Interview with the business owner

21/08/19

• • • •

8-10 Beresford Square – Theta Inc

Interview with building manager

20/08/19

• •

Page 42

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution be audible during the different construction phases but will be intermittent in nature. Noisy activities outside this property to be scheduled outside of office business hours where practicable. Further liaison will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them with advance notification.

12 Beresford Square – Bravo Hospitality

Interview with the business owner

20/08/19

• •

15 Beresford Square – Hopetoun Alpha

Interview with the building owner

14/11/19

• This building is a venue for hire and is used regularly with

Operates Monday to Friday 8:30am to 5:00pm Concerned about noise as noise can currently be heard through the trickle vents

both daytime and night time events.

A 2.4m high noise barrier will be constructed around the Beresford Square construction area for the duration of the main work. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Further consultation will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them. No comments to incorporate as no noise or vibration concern at this property.

• Venue at night time generally generate their own noise from sound systems.

• No concerns about the noise at this property, concerned about retaining access and parking. 16-18 Beresford Square – Centurion Sauna

22 Beresford Square – Residential Flats

Interview with Building manager

15/10/19

• Main concern is noise disruption for the residents and access to the carpark.

• The building is naturally ventilated. Page 43

| Karangahape Station Main Works

With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the SSCNVMPs, noise may be audible inside the building during the diaphragm wall and concrete slab constructions at Beresford Square. Noise

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

• Residents have already complained about early/investigation works being disruptive to their lifestyle during works at weekends.

36 Day Street – Residential Flats

51 Pitt Street - Beggs

Interview with business operator

16/10/19

• •

Operates Monday to Friday 9am to 5pm and Saturdays 9am to 3pm. Main concern is regarding the lack of carparking for their customers which is an important factor for their business

• Have downsized their business to 1/3 of the building footprint in preparation of the disruption.

• Doors are generally kept open to Pitt street and for ventilation. Noise and vibration are not a big concern.

• Want more consistent and accurate communications about schedules of work 59 Pitt Street – Graphic Design (Level 1)

Interview with the business owner

20/08/19

• • •

Page 44

| Karangahape Station Main Works

Noise concern when meeting with clients within the office. Sometimes can operate on weekends depending on workload and projects Commented roof chips often fall down when building shakes.

Resolution from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Further liaison/notification will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them. Mechanical ventilation and/or alternative glazing system may be consider on a case to case basis. Concern about access to be passed on to traffic management.

2.4m high hoarding will be installed around the whole construction area at Beresford Square. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the SSCNVMPs, noise may be audible inside the building during the diaphragm wall and concrete slab constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Advance notice of works which causes disruption to traffic access along Pitt Street is required. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Further consultation/notification will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them.

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution

59 Pitt Street – Waves Vintage

Interview with the business owner

21/08/19

•

Not concerned about noise and vibration

No comments to incorporate as owner has no noise or vibration concerns.

59 Pitt Street – Tattoo Parlour

Interview with the business owner

20/08/19

• •

Operates Tuesday to Saturdays 11:00 to 18:00 Reception is at the front of the façade with background music and needle sounds dominating inside. Mostly concerned about access.

With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Noisy works to be scheduled before 11am, where practicable.

Operates Tuesdays to Saturdays with extended hours on Wednesday and Thursday from 10:00 to 20:30. Construction work is during the busiest time of the year. Commented noise is unbearable during the current trail trench investigations but glad there will be hoarding for actual works. Have loud background music in shop to mask construction, can operate as hairdressers in noise but not preferred.

A 2.4m high noise barrier will be constructed around the Beresford Square construction area for the duration of the main work. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Noisy works to be scheduled before 10am, where practicable.

Open every day of the week. Shop has a record player which is sensitive to vibrations Does have mechanical ventilation but unsure if it is still operational. Generally, experience noisy conditions already and concerned about the increased noise affecting business.

A 2.4m high noise barrier will be constructed around the Beresford Square construction area for the duration of the main work. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Vibration may be perceptible and during periods of concrete cutting, breaking, piling and compacting the record player may be affected.

•

59 Pitt Street – Vada

Interview with the business owner

21/08/19

• • •

•

59 Pitt Street – Fabriks

Interview with the business owner

20/08/19

• • • •

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| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution

61 Pitt Street – Johnny feedback coffee shop

Interview with the business owner

20/08/19

• •

Operates Monday to Saturday 07:00-16:00 Major concerns about noise and visibility as no façade and shop opens with roller doors

A 2.4m high noise barrier will be constructed around the Beresford Square construction area for the duration of the main work. Mechanical ventilation and glazing solution may be considered. Further consultation will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them. Vibration may be perceptible but will not be at a level that causes building damage.

65 Pitt Street - Tokyo Loco Bowl

Interview with the business owner

23/08/19

• •

Main concern about access for customers. Background music is present and façade is mainly glazing.

68 Pitt Street

70-76 Pitt Street – Chatham Apartments

Interview with the building owner

11/10/19

•

• • • 78 Pitt Street – Methodist Church

Interview with building manager

20/08/19

•

• Page 46

| Karangahape Station Main Works

The owner was concerned about noise impacts, particularly in the CEO office which directly overlooks the works on the first floor. The meeting rooms overlooking the construction works have very high reverberation times. Residential flats are from Level 2 upwards and set back slightly. The building is naturally ventilated

Generally open throughout day during standard business hours and occasional evenings for community groups, weddings, performing arts and offices. Main concern about access

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

80 Pitt Street – Flying Out Records

Representatives

Interview with store manager

Date

21/08/19

•

Comments

Resolution

•

Concern about vibration effect on stain glass windows.

SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Further consultation will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them. Vibration may be perceptible but will not be at a level that causes building damage. Long term monitoring for vibration to be set up at this property.

• •

Operates everyday 10:00-18:00 Shop spans over ground floor and level 1 with some additional offices Have live music events once a month on Saturday afternoons between 2:30pm -5:00pm Concerns about noise and vibration levels affecting recordings taken in the basement between 8:30am and 10am on Wednesday and Thursday They can currently hear sirens go past when in the basement.

A 2.4m high noise barrier will be constructed around the Beresford Square construction area for the duration of the main work. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the appropriate SSCNVMPs, noise may be audible inside the building during the diaphragm wall, concrete slab and open excavation constructions at Beresford Square. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Vibration may be perceptible but will not be at a level that causes building damage. Noisy works outside this building to be scheduled outside of 8:30am – 10am on Wednesday and Thursday whilst recordings are taking place. No noisy works to be scheduled during live music events.

Operates Monday to Friday 9:30am – 6:00pm and weekends between 10:00am to 5:00pm Has background music and generally keeps front door opens and road traffic noise can be heard Not too concerned about noise, would like notice and require access maintained

Further consultation to take place to inform schedule of works.

• •

•

82 Pitt Street – Def

Interview with the business owner

20/08/19

• • •

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| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

84 Pitt Street

Business closed

1 Cross Street

Meeting with occupants – a range of commercial and a single residential

Date

•

Comments

Resolution

Offices operate standard business hours, 8:30am to 5:30pm. Poor insultation from noise due to building construction Occupants would like to be kept informed about timing of noise intensive works to schedule meetings around them

A 2.4m high noise barrier will be constructed around the Mercury Lane construction area for the duration of the main works and notification to be given 24 hours in advance of activities involving concrete cutting, breaking, piling, compacting and use of the hydro vac. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the appropriate SSCNVMPs, noise may be audible inside the building during the all construction phases which include diaphragm wall, piling, temporary shaft excavation, concrete slab and open excavation constructions at Mercury Lane. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature.

• 21/08/19

• • •

Mechanical ventilation and upgrading glazing solution may be considered on a case to case basis. 2 Cross Street – The Warren

Interview with business manager

05/09/19

•

• • •

4 Cross Street – Cross Street Market

Interview with business owners

23/08/19

• • •

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| Karangahape Station Main Works

Operates 3 days a week during weekdays with evening classes between 6:30pm to 8:30pm. Open Saturdays and Sundays 10am to 5pm. The front of the building is a reception area with a wood working workshop at the back. They are not concerned about noise and vibration as they generate their own. Main concern is dust as building only has a filter extraction and relies on natural ventilation through the front door.

No comments to incorporate as owner has no noise or vibration concerns.

Operates everyday during normal hours. Main concern is noise and the dust during demolition as they do not have doors or a façade. The Tattoo store is above the ground floor market and dust is their main concern.

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution building during the all construction phases at Mercury Lane but not more than 5dB above the noise criteria.

12 East Street Residential

14 East Street – Residential

Interview with one resident

23/08/19

•

• •

15-19 East Street – Backpacker Car World

Interview with the owner

21/08/19

To be partly demolished and vacated 3

18 East Street Residential

Interview with owner

21/08/19

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| Karangahape Station Main Works

Owner states there are two flats over a ground floor commercial office in this building and his is the one facing away from the Mercury Lane CSA. Not concerned about noise as not in during the day. His neighbor overlooks the Mercury Lane construction site, and concerns about noise and dust from demolition work.

With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the appropriate SSCNVMPs, noise may be audible inside the building during the diaphragm wall, piling and concrete slab constructions at Mercury Lane. Noise from bentonite plant, concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Further consultation will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them. Vibration may be perceptible but will not be at a level that causes building damage. Mechanical ventilation and glazing upgrade may be considered on a case to case basis.

•

Operates normal business hours

•

The facility modifies and repairs cars resulting in high noise levels internally within the building at all times. Noise is not a significant concern but may cause disruption to customers

A 2.4m high noise barrier will be constructed around the Mercury Lane construction area for the duration of the main works to mitigate against noise. With the mitigation and management measures detailed in Section 6 of the CNV DWP noise may be audible inside the building during the all construction phases at Mercury Lane but not more than 5dB above the noise criteria.

Owner concerned about noise impacts on the occupants.

With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the appropriate SSCNVMPs, noise may be audible inside the building during the

•

16 East Street

•

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

21 East Street – UnoLoco Event Management

Representatives

Interview with the business owner

Date

05/09/19

•

Comments

Resolution

•

Access to the building not provided to inspect potential noise intrusion

diaphragm wall, piling and concrete slab constructions at Mercury Lane. Noise from bentonite plant, concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Further consultation will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them. Vibration may be perceptible but will not be at a level that causes building damage. Mechanical ventilation and glazing upgrade may be considered on a case to case basis.

•

Operates normal business hours with regular client meetings held in the office. Ground floor is parking only and first floor is open plan office with two meeting room. There is a sound booth round back for recordings which is used when required. Meeting room and reception is at the front. Air condition unit needs to be turned off when sound booth is in use. CRL is carrying out a building survey next week. Concerns about noise and vibration for their clients and staff that are based in the office and during recordings.

With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the appropriate SSCNVMPs, noise may be audible inside the building during the diaphragm wall constructions at Mercury Lane. Noise from bentonite plant, concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Further consultation will take place with the affected parties before works begin to determine if the works can be scheduled for a time when recordings are not taking place. Vibration may be perceptible but will not be at a level that causes building damage. It is recommended windows to be kept closed during works and notice of noisy works to be given 24 hours in advance. Mechanical ventilation and glazing upgrade may be considered on a case to case basis.

Operates normal business hours. Garage front is set back about 15m from the road side. Front is an empty container used for storage and parking. Major concern about noise as services and business relies on listening to the car noise to identify problems.

•

• • •

23 East Street – European motor services

Interview with the business owner

22/08/19

•

Page 50

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution

•

Also concerned about the closure of road around the site to do the test runs. Only has a shutter gate and the garage is natural ventilated via the shop front.

different construction phases but will be intermittent in nature. A 2.4m noise barrier to be installed around mercury lane construction works site to provide some mitigation. It is recommended shutters are kept closed during the high noise generating activities detailed above where practical. Additional temporary barrier outside property may be considered.

•

25/27 East Street (2/2A South Street) Residentials

Interview with resident block representative

05/09/19

•

Would like some barriers or acoustic attenuation.

•

Usually out to work during the day but one resident in 2A South Street works from home Ideally would like works to be kept within the hours between 8am – 6pm. Appreciate there will be noise and vibration

A monitoring / geotech company and has already spoken to someone regarding the social impacts. Stated they will be carrying out their own noise and vibration monitoring in house and will be contacting the council as soon as the limits are breached. They have their own monitoring equipment in the office and they are sensitive to vibrations. Concerned about the demolition in regards to hazardous materials and rat control.

A 2.4m high noise barrier will be constructed around the Mercury Lane construction area for the duration of the main works. With the mitigation and management measures detailed in Section 6 of the CNV DWP noise may be audible inside the building during all the construction phases at Mercury Lane but not more than 5dB above the noise criteria. Vibration may be perceptible, will not be at a level that causes building damage. Further liason will take place with the affected parties before works begin to determine if the works can be scheduled for a time that least impacts them.

Not concerned about noise and vibration as long as access was maintained.

No comments to incorporate as owner has no noise or vibration concerns.

• •

29 East Street – International Earth Sciences Ltd

Interview with the business owner

05/09/19

• •

29 East Street – Electric Bike Team

Page 51

Interview with the business owner

| Karangahape Station Main Works

05/09/19

•

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution

29 East Street – Think concept (Level 1)

Interview with business staff

05/09/19

•

An IT consultant company with mainly remote customer which ring into the office. Concern about noise and vibration as they already can hear and feel the traffic along East St and the adjacent State Highway. Currently looking to install glass partition meeting rooms next to the façade. Notification regarding high impact works would be appreciated.

A 2.4m high noise barrier will be constructed around the Mercury Lane construction area for the duration of the main works. With the mitigation and management measures detailed in Section 6 of the CNV DWP noise may be audible inside the building during all the construction phases at Mercury Lane but not more than 5dB above the noise criteria. Vibration may be perceptible but will not be at a level that causes building damage. Advance notice to be given for noisy works.

•

• •

184 Karangahape Road

229 Karangahape Road – Buana Satu

Interview with business staff

16/10/19

235 Karangahape Road

Closed (Vacant)

16/10/19

238 Karangahape Road – Commercial GF, Level 1-4 Residential flats

Interview with building manager

22/08/19

•

• • •

•

Not concerned about the noise and vibration levels due to their location

No comments to incorporate as owner has no noise or vibration concerns.

Commercial properties apart from Zambero on corner of building does not have façade access on Mercury Lane. No concerns about noise for commercial properties within the building as shielded by the façade. Concerns about vibration as heritage building which has been requiring repairs to the back south-east façade for a while and there are concerns about safety and stability of the façade with the construction work coming. There is a mixture of residents in the building from professional works to retirees whom are in during the daytime.

A 2.4m high noise barrier will be constructed around the Mercury Lane construction area for the duration of the main works and notification to be given 24 hours in advance of activities involving concrete cutting, breaking, piling, compacting and use of the hydro vac. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the appropriate SSCNVMPs, noise may be audible inside the building during all construction phases which include diaphragm wall, piling, temporary shaft excavation, concrete slab and open excavation constructions at Mercury Lane. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Mechanical ventilation and upgrading glazing solution may be considered on a case to case basis.

Page 52

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution Long term vibration monitoring to be carried out at this property. Noisy works to be scheduled outside of sensitive times, further liaison with manager to take place before works begins to determine if works can be scheduled for a time that least impacts them.

243 Karangahape Road – Pitt St Pub

Interview with Pitt St Pub manager

20/08/19

•

243 Karangahape Road – Calendar Girls

246 Karangahape Road –BK Hostel

Interview with the Business manager

20/08/19

•

Operates all hours

•

Was not interested in consultation

256 Karangahape Road - Mithaiwala

258-264 Karangahape Road – Free Bird & Shosha

283 Karangahape Road – Samoa House

284-286 Karangahape Road Cosmic & Salada Cafe

Interview with the business owner

20/08/19

• • •

Page 53

| Karangahape Station Main Works

Concerns about construction noise impacts during peak periods (afternoons and evenings, Thursday to Sunday)

Operates Monday to Friday 9am to 6pm and Saturdays 9am to 8pm. Sensitive times are between 1pm and 4pm and during the weekend where they are busiest. General concerns about noise

No comments to incorporate as manager has no comments

With the mitigation and management measures detailed in Section 6 of the CNV DWP noise may be audible inside the back of the building during all the construction phases at Mercury Lane but not more than 5dB above the noise criteria.

Construction Noise and Vibration Delivery Work Plan Address of Sensitive Receiver

Representatives

Date

•

Comments

Resolution Noisy works to be scheduled outside of sensitive and peak hours where practicable.

9 Mercury Lane – Mercury Theatre

Interview with building manager

16/10/19

• • • •

•

• •

Mercury theatre is a heritage building and is currently in use as a venue hire. The venue is in regular use from different parties from dance classes, studio filming, to small concerts etc Noise and sensitive activities will be dependent on the use of the theatre. Not majorly concerned about noise as they generate their own but due to heritage status vibration monitoring is requested. Theatre is naturally ventilated through the roof system only. Windows are not well sealed and fire escape doors are poorly sealed. Works outside the theatre on Mercury lane could be clearly heard in the main auditorium. Some refurbishment and renovation is required on the building and this might happen within the time of the CRL construction works.

Note: 1. 2.

Relationship needs to be managed, meeting time to be arranged Not consulted as owner/manager was unavailable or unable to be contacted.

3. Not consulted as property is currently vacant.

Page 54

| Karangahape Station Main Works

A 2.4m high noise barrier will be constructed around the Mercury Lane construction area for the duration of the main works and notification to be given 24 hours in advance of activities involving concrete cutting, breaking, piling, compacting and use of the hydro vac. With the mitigation and management measures detailed in Section 6 of the CNV DWP and Table 4-1 of the appropriate SSCNVMPs, noise may be audible inside the building during all construction phases which include diaphragm wall, piling, temporary shaft excavation, concrete slab and open excavation constructions at Mercury Lane. Noise from concrete cutting, breaking, piling, compacting and use of the hydro vac is likely to be audible during the different construction phases but will be intermittent in nature. Long term noise and vibration monitoring to be carried out in this building. Noisy works to be scheduled outside of sensitive times, further liaison with manager to take place before works begins to determine if works can be scheduled for a time that least impacts them.

Construction Noise and Vibration Delivery Work Plan

Appendix F: SSCNVMP

Page 55

| Karangahape Station Main Works

Karangahape Station Main Works – Piling Appendix F Site Specific Construction Noise and Vibration Management Plan

Revision: 001 February 2020

Page 1

| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Piling

Site Specific Construction Noise and Vibration Management Plan This document is uncontrolled when printed. This document should be printed in colour

Revision Status Revision

Issue Date

Major Changes

Changed By

Approved By

Rev A

6/12/2019

Initial draft

S Yung/ Joe Grimes

Peter Roan

Rev 000

24/01/2020

Final for submission

S Yung

Peter Roan

Rev 001

21/02/2020

Final

S Yung

Peter Roan

Approval Status Name/Title

Signature

Date

Prepared by:

Sharon Yung Acoustic Engineer

21/02/2020

Reviewed by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Controlled by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Approved by:

Peter Roan Link Alliance – Consents Lead

21/02/2020

Table of contents 1. Introduction ................................................................................................ 4 1.1

Objective ........................................................................................................................... 4

1.2

Site Plan............................................................................................................................. 4

2. Affected Noise and/or Vibration Receivers ................................................ 5 3. Karangahape Main Works - Piling Activities ............................................... 5 4. Façade performance and internal noise levels ........................................... 7 4.1

Noise ................................................................................................................................. 7

4.2

Vibration ......................................................................................................................... 12

5. Communication and Consultation ............................................................ 14 5.1

Consultation to inform this SSCNVMP ............................................................................. 14

6. Monitoring ................................................................................................ 15

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6.1

Noise Monitoring............................................................................................................. 15

6.2

Vibration Monitoring....................................................................................................... 15

| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

1. Introduction This Site-Specific Construction Noise and Vibration Management Plan (SSCNVMP) forms part of the Construction Noise and Vibration Delivery Work Plan (CNV DWP) for the Karangahape Station main works. Piling activities for the temporary plunged-in columns includes drill bored piling, plunge column sections to site, install column into pile and concrete pouring at the Mercury Lane site. This SSCNVMP provides a specific assessment of construction noise and vibration effects from the Piling works that are predicted to exceed the Project Standards for construction noise and vibration specified in the CRL designation conditions. This SSCNVMP should be read in conjunction with the Karangahape main works CNV CRL-KRD-RMELKA-PLN-800021 dated 21/02/2020, which contains further details of the proposed works, Project Standards, monitoring, general mitigation measures and other information relevant to this SSCNVMP.

1.1 Objective The objective of this SSCNVMP is to detail the best practicable option to avoid, remedy or mitigate adverse effects on receivers resulting from construction noise and/or vibration that does not comply with the Project Standards set out in Section 3 of the CNV DWP. This SSCNVMP has been prepared in accordance with designation Conditions 37, 38, and 39.

1.2 Site Plan The location of the Karangahape Piling works is shown in Figure 1-1. Active work areas for piling are shown in purple shading with dots showing indicative plunged-in column locations.

Key: Construction Area Boundary

Figure 1-1: Site location – Karangahape Station Piling Works Page 4 | Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

2. Affected Noise and/or Vibration Receivers Receivers where noise and/or vibration levels from the piling works are predicted to exceed project noise or vibration standards, along with the relevant building uses, are listed in Table 2-1. Table 2-1: Affected receivers

Historic/ Vibration Sensitive Classification

Minimum Distance to Works (m)

Commercial

9 Mercury Lane 1

Theatre

75*

14 East Street

Mixed Use

75*

16 East Street

Residential

75*

90*

18 East Street

Residential

75*

90*

238 Karangahape Road

Mixed Use

75*

246 Karangahape Road

Mixed Use

75*

Address

Use

1 Cross Street

Noise Criteria, dB LAeq

Noise Criteria, dB LAFmax

Vibration Criteria, mm/s

*This is the Monday to Saturday 07:00 to 22:00 noise criteria. The majority of works will be carried out during this period. For residential receivers the noise limit is reduced to 65 dB L Aeq & 80 dB LAFmax on Sundays and Public Holidays between 07:00 to 22:00 and to 60 dB LAeq & 75 dB LAFmax at all other times. Note 1: Notable Receiver

3. Karangahape Main Works - Piling Activities A general overview of construction activities for Piling along with proposed start and end dates, are shown in Table 3-1. Table 3-1: Overview of Karangahape Main Works

Works location

Overview of construction activities

Mercury Lane

• Temporary plunged-in columns: Drill bored pile with temp support Muck away spoil Deliver plunged column sections to site Pour concrete Backfill above concrete cut off level Repeat at all proposed columns

Approximate Duration • Q2 - Q3 2020 approximately 3 months

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| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

Note that the equipment levels detailed in the CNV DWP are placeholders. All equipment will be measured operating independently when work commences on site and the actual equipment noise/vibration levels and model numbers recorded and updated within the respective tables in the CNV DWP.

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| Karangahape Station Main Works â€“ Pilingâ€“ Site Specific Construction Noise and Vibration Management Plan

4. Façade performance and internal noise levels 4.1 Noise The Piling works are located in close proximity to a number of receivers, meaning that predicted internal noise levels at these receivers may be high. Use of a bored piling rig, trucks, excavators, concrete saws and jack-hammers has the potential to exceed the Project Standards for construction noise. An enclosure over high noise generating equipment, such as the concrete saw, may not be practicable in a number of locations due to space restrictions on site. However, this will be reviewed on a case by case basis and, where practicable, enclosures will be utilised. Noisy activities should be scheduled, where possible, for a time that least impacts adjacent receivers. Even with the general mitigation and management measures implemented and noise barriers installed, as outlined in the CNV DWP, the noise levels predicted at the most exposed façade of a number of properties will still exceed the Project Standards by more than 5 dB during some construction activities. These properties are detailed in Table 4-1 along with an estimate of the current façade performance and the worst-case internal noise levels anticipated to be received during piling works. The specific measures identified are considered to reflect the BPO as they mitigate and manages the noise levels as far as practicable.

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| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

Table 4-1: Estimated internal noise levels

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

1 Cross Street

Ground Floor and above: Multiple businesses and single residential

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking within 20m of building

50% masonry and 50% single glazed windows. Openable windows with no mechanical ventilation. Estimated attenuation provided by the façade when windows closed is predicted to be around 25- 30 dB Rw.

50 - 55 dB (with windows closed) during concrete cutting/ breaking which could result in annoyance and disturbance to staff, customers and residents. <50 dB during piling associated activities

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

Façade consists around 70% glazing Estimated attenuation provided by the façade is around 30 dB Rw.

Ground floor: 45– 50 dB

Screening provided to ground floor by 2.4m high noise barriers around construction works.

Façade consists around 40% glazing. No mechanical ventilation is present. Estimated attenuation provided by the façade is

First floor: 50 - 55 dB

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Impacted by all works on Mercury Lane construction site. Works will occur at the back of the residential flats during daytime hours only.

<75 dB during piling and associated piling activities

14 East Street

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Ground floor: Commercial

75 - 80 dB

First Floor: Residential flats

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking

(including attenuation provided by noise barrier around construction area)

| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

Annoying and disturbing for residents. Sleep

Worst-case noise levels will be intermittent in nature and will occur when concrete saws and breakers are working within 20m of the building. Noisy activities must be scheduled for a time outside sleeping hours, with notice given 24 hours in advance. Manage unnecessary impact sounds.

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

<75 dB during piling and piling associated activities

around 30dB Rw with windows closed.

disruption if carried out during nighttime/early morning hours.

Noisy activities must be scheduled for a time outside sleeping hours, with notice given 24 hours in advance. Manage unnecessary impact sounds.

16 East Street Residential

Ground Floor: Retail First floor: Residential

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <75 dB during piling and piling associated activities

Ground floor façade consists of 30% glazing windows and doors. Estimated attenuation with doors closed is around 30 dB Rw. First floor façade consists of 70% glazing. Estimated attenuation with windows closed is around 30 dB Rw. Access to the property was not granted.

Ground floor: 45 - 50 dB First floor: 50 - 55 dB Annoying and disturbing for residents. Sleep disruption if carried out during nighttime/early morning hours.

18 East Street

Ground Floor: Residential

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <75 dB during piling and piling associated activities

Façade is a light weight partition weatherboard with single glazed windows. Access to back façade where most impacted was not given. Estimated façade attenuation is around 25 dB Rw.

55 – 60 dB Annoying and disturbing to residents. Sleep disruption if carried out during nighttime/early morning hours.

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| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

238 Karangahape Road

Ground Floor: Various commercial retails

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <75 dB during piling and piling associated activities

Main façade of retail spaces faces into the building atrium. Back of retail space is masonry with renovation works required Estimated attenuation provided by the façade is around 35dB Rw.

45 – 50 dB

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

First floor and above: Residential Flats

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <75 dB during piling and piling associated activities

Apartment façade consists of concrete walls with 2m high openable single glazed windows. Openable area is approx. 20% of overall glazing. Flat sizes vary. Presence of mechanical ventilation systems vary between apartments. Attenuation provided by the façade on corner flat with two large glazing areas is estimated to be around 30dB Rw.

55 - 60 dB Annoying and disturbing to residence. Sleep disruption if carried out during nighttime/early morning hours.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Noisy activities must be scheduled for a time outside sleeping hours, with notice given 24 hours in advance. Manage unnecessary impact sounds. Consultations have identified shift workers and retirees whom sleep during the daytime within this building. Mechanical ventilation is required in bedrooms that are located along the facade overlooking the Mercury Lane work site, if the resident is a shift worker and needs to sleep during the day. Long term noise monitoring is to be carried out at this building.

Ground Floor and above: BK Hostel

80 – 85 dB at most exposed area of façade

External observation of the façade consists of 50% glazing and 50% masonry.

55 - 60 dB Sleep disruption if carried out during

The benefit of screening provided by noise barriers will be reduced at first floor level and above. Noisy activities must be scheduled for daytime hours, with notice given 24 hours in advance.

246 Karangahape Road

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| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

Address

9 Mercury Lane

Floor

Ground Floor and above: Mercury Theatre

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

during concrete cutting/ breaking <75 dB during piling and piling associated activities

Not known if mechanical ventilation is present within the property. Estimated attenuation provide by the façade is around 25-30dB Rw.

night-time/early morning hours.

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <75 dB during piling and piling associated activities

Facade consists of 70% masonry and 30% glazing. Large gaps are found around the emergency exit doors. No mechanical ventilation is available. This building is naturally ventilated via a roof system. Attenuation provided by the façade is estimated around 35 dB Rw.

45 – 50 dB Annoyance to users but potentially masked with background music during venue use.

Specific Mitigation Measures

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. The following mitigation measures are recommended: Emergency exit doors and any air gaps to be properly sealed. Noisy activities must be scheduled for a time outside of sensitive hours with advance notice given 24 hours in advance. Manage unnecessary impact sounds. Minimise periods of concrete cutting and breaking during noise sensitive periods and use of localised enclosure where practicable. Communications team to determine venue use for the building and for works to be scheduled for a time that causes least impact on users.

Note:

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1. 2.

Not consulted as property is currently vacant – façade observations from exterior only.

| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

4.2 Vibration In addition to the general vibration mitigation measures outlined in Section 6 of the CNV DWP, the specific vibration mitigation measures outlined in Table 4-2 shall be implemented if the initial on-site vibration monitoring at the closest building foundations demonstrates that the building damage vibration limits will be exceeded. Table 4-2: Vibration Mitigation Measures

Equipment/process

Vibration control measures

Excavators, bobcats, loaders

Grease tracks regularly. Avoid unnecessary revving of engines and banging of buckets on the ground. Use smaller equipment where possible.

Excavator mounted rock breaker

Use lower vibration generating equipment such as a handheld jack hammer

Site specific vibration mitigation measures are included in Table 4-3

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| Karangahape Station Main Works â€“ Pilingâ€“ Site Specific Construction Noise and Vibration Management Plan

Table 4-3: Site Specific Vibration Mitigation Measures

Address

Minimum Distance to works (m)

Building Type

Specific Mitigation Measures Vibration may be felt within 238 Karangahape Road during installation of the closest pile.

238 Karangahape Road

Historical / vibration sensitive

• Monitoring will be carried out during installation of the closest pile to this building • Advance notice to be given Vibration may be felt within 9 Mercury Lane during the use of piling.

9 Mercury Lane

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Historical / vibration sensitive

• High-vibration activities to be scheduled outside of sensitive hours when building is occupied. • Advance notice to be given for scheduled work duration. • Long term monitoring to be installed at property due to vibration concerns as identified in Appendix E of the CNV DWP and proximity to all construction stages.

| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

5. Communication and Consultation Section 7 of the CNV DWP details the communication and engagement procedures to be implemented during the main works in relation to construction noise and vibration effects. The complaints process is detailed in Section 7.2 of the CNV DWP.

5.1 Consultation to inform this SSCNVMP Consultation with the affected parties identified in this SSCNVMP took place in August, September and October 2019. Topics that were covered included: • • • • • •

Sequencing of construction activities; Likely construction equipment and associated noise and vibration levels; Proposed mitigation and management measures; Building construction typologies/characteristics; Operational hours of businesses; and The operating environment that is required for respective businesses likely impacted by the works.

Further details of the meetings and comments made by the affected parties are provided in Appendix E of the CNV DWP.

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| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

6. Monitoring Section 8 of the CNV DWP provides details of the methodology for noise and vibration monitoring to be undertaken during the Piling works.

6.1 Noise Monitoring Noise monitoring will be carried out when use of the concrete saw, piling and concrete breaker begins within 30 metres of the buildings identified in Table 6-1. The monitoring will be carried out at first floor level unless it is not possible to gain access. Table 6-1: Noise Monitoring Locations

Receiver 1 Cross Street

Monitoring Location 1m from façade of building

9 Mercury Lane

1m from façade of building

14 East Street

1m from façade of building

238 Karangahape Road

1m from façade of building

6.2 Vibration Monitoring Vibration monitoring will be carried out when works begin on site to determine actual equipment vibration levels and the attenuation provided by local ground conditions. If the initial vibration monitoring demonstrates that the emission radius for the excavator is similar to that identified in the CNV DWP, then the monitoring as detailed below will be carried out. If this monitoring demonstrates that vibration levels are significantly lower, then fewer properties may require monitoring. If they are higher, more properties may require monitoring. Vibration monitoring will be carried out at the following receiver when use of the piling rig, excavator and hand-held concrete breaker occur within 15 metres of the building: • •

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238 Karangahape Road 1 Cross Street

| Karangahape Station Main Works – Piling– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Diaphragm Wall Construction Appendix F Site Specific Construction Noise and Vibration Management Plan

Revision: 001 February 2020

Page 1

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Diaphragm Wall Construction

Site Specific Construction Noise and Vibration Management Plan This document is uncontrolled when printed. This document should be printed in colour

Revision Status Revision

Issue Date

Major Changes

Changed By

Approved By

Rev A

06/12/2019

Initial draft

S Yung/ Joe Grimes

Peter Roan

Rev 000

24/01/2020

Final for submission

S Yung

Peter Roan

Rev 001

21/02/2020

Final

S Yung

Peter Roan

Approval Status Name/Title

Signature

Date

Prepared by:

Sharon Yung Acoustic Engineer

21/02/2020

Reviewed by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Controlled by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Approved by:

Peter Roan Link Alliance – Consents Lead

21/02/2020

Table of contents 1. Introduction ................................................................................................ 4 1.1

Objective ........................................................................................................................... 4

1.2

Site Plans ........................................................................................................................... 4

2. Affected Noise and/or Vibration Receivers ................................................ 7 3. Karangahape Main Works – D Wall Activities ............................................ 8 4. Façade performance and internal noise levels ........................................... 9 4.1

Noise ................................................................................................................................. 9

4.2

Vibration ......................................................................................................................... 22

5. Communication and Consultation ............................................................ 25 5.1

Consultation to inform this SSCNVMP ............................................................................. 25

6. Monitoring ................................................................................................ 26

Page 3

6.1

Noise Monitoring............................................................................................................. 26

6.2

Vibration Monitoring....................................................................................................... 26

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

1. Introduction This Site-Specific Construction Noise and Vibration Management Plan (SSCNVMP) forms part of the Construction Noise and Vibration Delivery Work Plan (CNV DWP) for the Karangahape Station main works. Diaphragm Walls (D Wall) will be constructed at Beresford Square and Mercury Lane to facilitate excavation for the station buildings. The main works include ground level demolition and earthworks, diaphragm wall construction, excavation and spoil removal and concrete construction. This SSCNVMP provides a specific assessment of construction noise and vibration effects from the D Wall works that are predicted to exceed the Project Standards for construction noise and vibration specified in the CRL designation conditions. This SSCNVMP should be read in conjunction with the Karangahape main works CNV DWP Document ref CRL-KRD-RME-LKA-PLN-800021 dated 21/02/2020, which contains further details of the proposed works, Project Standards, monitoring, general mitigation measures and other information relevant to this SSCNVMP.

1.2 Site Plans The location of the Beresford Square D Wall works is shown in Figure 1-1. Active work areas are shown in red shading while the green outline shows the location of the D wall.

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| Karangahape Station Main Works â€“ Diaphragm Wall â€“ Site Specific Construction Noise and Vibration Management Plan

Figure 1-1: Site location – Beresford Square DWall works

The location of the Mercury Lane D Wall works is shown in Figure 1-2. Active work areas are shown in red shading while the green outline shows the location of the D wall.

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Figure 1-2: Site location – Mercury Lane DWall works

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

2. Affected Noise and/or Vibration Receivers Receivers where noise and/or vibration levels from the D wall works are predicted to exceed project noise or vibration standards, along with the relevant building uses, are listed in Table 2-1. Table 2-1: Affected receivers

Address

Use

Historic/ Vibration Sensitive Classification

Minimum Distance to Works (m)

Noise Criteria, dB LAeq

Noise Criteria, dB LAFmax

Vibration Criteria, mm/s

Beresford Square Works 1 Beresford Square

Commercial

8-12 Beresford Square

Commercial

4-6 Beresford Square

Commercial

22 Beresford Square

Residential

75*

90*

59 Pitt Street

Commercial

61-65 Pitt Street

Commercial

70-76 Pitt Street

Mixed Use

75*

90*

78 Pitt Street

Church

Commercial

283 Karangahape Road

Mixed Use

75*

90*

243 Karangahape Road

Commercial

16-18 Beresford Square 19 Beresford Square

80 Pitt Street

Mercury Lane Works 12 East Street

Residential

75*

90*

14 East Street

Mixed Use

75*

90*

9 Mercury Lane 1

Theatre

16 East Street

Residential

75*

90*

18 East Street

Residential

75*

90*

1 Cross Street

Commercial

238 Karangahape Road

Mixed Use

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| Karangahape Station Main Works â€“ Diaphragm Wall â€“ Site Specific Construction Noise and Vibration Management Plan

3. Karangahape Main Works – D Wall Activities A general overview of construction activities for D Wall construction along with proposed start and end dates, are shown in Table 3-1. Table 3-1: Overview of Karangahape Works

Works location

Overview of construction activities

Approximate Duration

Beresford Square

• D Wall construction: Setup batch plant Excavate shaft perimeter Construct concrete guide walls Excavate and muck away spoil Deliver reinforcement cages Concrete pour Vacuum top of concrete to cut off level

• Q2 - Q4 2020 approximately 9 months

Mercury Lane

Q1 - Q2 2020 approximately 5 months

Details of the construction equipment that is likely to be used for the above activities and the associated noise levels can be found in Section 4.1 of the CNV DWP. Details of the equipment that is expected to generate high levels of vibration can be found in Section 4.2 of the CNV DWP. Note that the equipment levels detailed in the CNV DWP are placeholders. All equipment will be measured operating independently when work commences on site and the actual equipment noise/vibration levels and model numbers recorded and updated within the respective tables in the CNV DWP.

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

4. Façade performance and internal noise levels 4.1 Noise The D Wall construction works are located in close proximity to a number of receivers, meaning that predicted internal noise levels at these receivers will be high. Use of large excavation machinery, hydro excavation trucks, bentonite plant and concreting equipment has the potential to exceed the Project Standards for construction noise. An enclosure over high noise generating equipment will be used where practicable. Even with the above mitigation and management measures implemented and noise barriers installed as outlined in the CNV DWP, the noise levels predicted at the most exposed façade of a number of properties will still exceed the Project Standards by more than 5 dB during the D Wall works. These properties are detailed in Table 4-1 along with an estimate of the current façade performance and the worst-case internal noise levels anticipated to be received during D Wall construction works. The specific measures identified are considered to reflect the BPO as they mitigate and manages the noise levels as far as practicable.

Page 9

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Table 4-1: Estimated internal noise levels

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

1 Beresford Square

Ground and first Floor: Commercial

85 - 90 dB during concrete cutting/ breaking

Façade consists of 50% single glazed openable windows inside and 50% masonry. Secondary glazing is present inside for the ground and first floors only. Air vents are present within each room. There is no mechanical ventilation. Estimated attenuation provided by the façade when windows closed on ground and first floor is predicted to be around 35 dB Rw. Attenuation for second floor and above is estimated to be around 25-30 dB Rw.

Ground and first floor: 50 – 55 dB during concrete cutting/ breaking Disturbance to users and potential annoyance to staff and customers.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Worst-case noise levels will be intermittent in nature and will occur when concrete saws and breakers are used directly outside. Mechanical ventilation is required in bedrooms that are located along the facade overlooking the Beresford Square work site, if the resident is a shift worker and needs to sleep during the day.

Second floor and above Residential.

Page 10

<85 dB during other DWall associated activities

Second floor and above: 60 – 65 dB during concrete cutting/ breaking Potential sleep disturbance if carried out during night-time or early morning hours.

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

1 Cross Street

Ground Floor and above: Multiple businesses and single residential

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking within 20m of building

50% masonry and 50% single glazed windows. Openable windows with no mechanical ventilation. Estimated attenuation provided by the façade when windows closed is predicted to be around 25- 30 dB Rw.

55 - 60 dB (with windows closed) during concrete cutting/ breaking which could result in annoyance and disturbance to staff, customers and residents. <55 dB during other Dwall associated activities

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

Façade is masonry wall with around 95% single glazing and openable French doors. There is no mechanical ventilation to the property, only natural ventilation via French doors. The attenuation provided by the façade when doors closed is estimated around 30 dB Rw. The estimated façade performance with the door open is 15 dB Rw.

50 - 55 dB (With doors closed) Annoyance to staff and customers.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Concrete cutting and breaking outside this property to be scheduled before 3pm, where practicable.

<85 dB during other Dwall associated activities

4-6 Beresford Square

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Ground Floor: Northern Bar

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Long term noise monitoring to be installed at this location.

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

8-10 Beresford Square

First Floor and above: Theta Inc

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

All levels are mechanically ventilated with 100% single glazed façade. Estimated attenuation provided by the façade is predicted to be around 30 dB Rw.

50 – 55 dB during concrete cutting/ breaking

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site Worst-case noise levels will be intermittent in nature and will occur when concrete saws and breaking works are within 10m of the building.

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

The façade is 100% glazed with 10mm laminated glass façade. The store is mechanically ventilated with trickle vents through the façade. The estimated attenuation provided by the façade is predicted to be around 25-30 dB Rw.

Ground floor: 50 – 55 dB during concrete cutting/ breaking

12 Beresford Square

Ground Floor: Bravo Hospitality

Notice of noisy works to be provided at least 24 hours in advance. Long term noise monitoring to be installed at this location.

First floor: 55 – 60 dB during concrete cutting/ breaking Reduction in work efficiency and concentration, disturbance to meetings.

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Worst-case noise levels will be intermittent in nature and will occur when concrete saws and breakers are used within 10m of the building. Notice of noisy works to be provided at least 24 hours in advance. Long term noise monitoring to be installed at this property.

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

16-18 Beresford Square

Ground Floor and above: Centurion Sauna1

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other Dwall associated activities

Based on external observations facade is 90% single glazing and 10% masonry. Small areas of glazing are openable with trickle vents visible. Estimated façade attenuation is around 20-25 dB Rw with windows closed.

60 - 65 dB (with windows closed) during concrete cutting/ breaking Annoyance and disturbance to staff and customers.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site Worstcase noise levels will occur when works are within 10m of the building during the use of concrete saws, and breakers.

<60 dB during other Dwall associated activities

Consultation required to determine if noisy works can be carried out at a time that least impacts them, and if additional mitigation on property is required.

19 Beresford Square

Ground Floor: Hopetoun Alpha

70 – 75 dB at most exposed area of façade during concrete cutting/ breaking

Façade consists of 90% masonry with 10% nonopenable glazing. No mechanical ventilation is present. Estimated façade attenuation provided by the façade is around 35 dB Rw.

35 – 40 dB (with doors closed)

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

22 Beresford Square

First Floor and above: Residential flats

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

Façade consists of 40% masonry and 60% single glazed openable windows and a single glazed sliding door facing the works location.

50 - 55dB Annoying and disturbing for residents.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site Noisy activities must be scheduled during the daytime period, with notice given 24 hours in advance. Manage unnecessary impact sounds. Mechanical ventilation is required for living areas in the apartments on the eastern corner of the building overlooking the Beresford Square work site if the residents are typically home during the day.

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Estimated attenuation provided by the façade is

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

around 30 dB Rw with windows and doors closed.

12 East Street

14 East Street

Page 14

Specific Mitigation Measures

Consultation for this building has identified some residents are shift workers and will be sleeping during the day. Mechanical ventilation is required in bedrooms that are located along the facade overlooking the Beresford Square work site, if the resident is a shift worker and needs to sleep during the day.

Ground floor and above: Mixed used with Residential on first floor 2

80 -85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

Observation from the exterior indicates façade facing work sites is 70% glazing. Estimated attenuation based on observation of façade is 25 - 30 dB Rw.

Ground floor: 45 - 50 dB during concrete cutting/ breaking

Ground floor: Commercial

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

Façade consists around 70% glazing Estimated attenuation provided by the façade is around 30 dB Rw.

Ground floor: 50– 55 dB Annoyance for staff of businesses.

First floor: 55 – 60 dB during concrete cutting/ breaking

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site Impacted by the construction works on the Mercury Lane site but the use of concrete saws and concrete breakers will be intermittent in nature. Works will occur at the back of the residential flats during daytime hours.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

First Floor: Residential flats

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other Dwall associated activities

Façade consists around 40% glazing. No mechanical ventilation is present. Estimated attenuation provided by the façade is around 30dB Rw with windows closed.

First floor: 55 - 60 dB

Annoying and disturbing for residents. Sleep disruption if carried out during night-time/early morning hours.

Noisy activities must be scheduled for a time outside sleeping hours, with notice given 24 hours in advance. Manage unnecessary impact sounds.

16 East Street Residential

Ground Floor: Retail First floor: Residential

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other Dwall associated activities

Ground floor: 50 - 55 dB Annoyance for business, staff and customers. First floor: 55 - 60 dB Annoying and disturbing for residents. Sleep disruption if carried out during night-time/early morning hours.

18 East Street

Ground Floor: Residential

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking

Façade is a light weight partition weatherboard with single glazed windows. Access to back façade where most impacted was not given.

55 – 60 dB Annoying and disturbing to residents. Sleep disruption if carried out

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Address

238 Karangahape Road

Page 16

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

<80 dB during other Dwall associated activities

Estimated façade attenuation is around 25 dB Rw.

during night-time/early morning hours.

Ground Floor: Various commercial retails

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

Main façade of retail spaces faces into the building atrium. Back of retail space is masonry with renovation works required Estimated attenuation provided by the façade is around 35dB Rw.

45 – 50 dB

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

First floor and above: Residential Flats

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other Dwall associated activities

55 - 60 dB Annoying and disturbing to residence. Sleep disruption if carried out during night-time/early morning hours.

Floor

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Specific Mitigation Measures

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

243 Karangahape Road

Ground Floor: Pitt Street pub

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

Observation from the exterior show façade consists of 70% masonry with 30% glazing. Unknown if mechanical ventilation is present inside or if windows are openable. Estimated attenuation provided by façade is predicted to be around 3035dB Rw.

50 – 55 dB

Screening provided to ground floor by 2.4m high noise barrier with additional length of barrier angled in to the site.

First Floor and above: Calendar Girls 1

Consultation required with the affected party before works begin. Background music may be played inside at a level which will mask construction noise.

283 Karangahape Road

Ground Floor: Samoa Tourism Authority 1

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall associated activities

Observation from the exterior show façade is 60% light weight cladding with 25% glazing and 15% open with shutters. Use around façade is unknown but mechanical vents are visible. Estimated attenuation based on observation is predicted to be around 25 dB Rw with windows and doors closed.

55 - 60 dB Potential annoyance depending on usage

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

59 Pitt Street

Ground floor: Vada, Waves, Fabriks, Tattoo Parlour

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall

Each shop’s façade consists of around 80-100% single glazing windows with glazed doors. No mechanical ventilation available. Attenuation provided by the façade is estimated to be

Ground floor: 50 – 55 dB Annoyance to staff and customers but not to a level that interferes with businesses

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Address

Floor

First floor: Graphics Design

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

associated activities

around 30dB Rw with windows and doors closed

85 – 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other Dwall associated activities

Façade is 50% single glazing and 50% masonry. A mechanical ventilation is available with openable windows. Estimated attenuation provided by the façade is around 30dB Rw with windows closed.

55 – 60 dB during concrete cutting/ breaking

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Notice to be provided at least 24 hours in advance. Long term monitoring to be installed at this property.

Annoyance and reduction in work efficiency, meetings and concentration may be disrupted.

61 Pitt Street

Ground Floor: Johnny Feedback coffee shop

80 - 85 dB during concrete cutting/ breaking <80 dB during other Dwall associated activities

Coffee shop has no façade, shop opens with roller doors onto the street. No attenuation provided by the façade.

80 - 85 dB Disruption to business, staff and customers

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site will provide some mitigation but high noise levels will be experienced within the building during some activities due to lack of façade. Noise monitoring will be conducted at this property when works first commence to check that the barrier is performing as expected and noise levels are as predicted. Additional screening close to the open area of the façade is required but may not be possible to install without impacting access to the coffee shop or footpath outside.

65 Pitt Street

Ground Floor: Tokyo Loco

80 -85 dB at most exposed area of façade during

Ground Floor consists of full single glazing façade with no mechanical ventilation. Open

Ground Floor 50 – 55 dB (Door Closed)

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Address

70-76 Pitt Street

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

First Floor: (63 Pitt Street) Hopetoun Legal

concrete cutting/ breaking <80 dB during other Dwall associated activities

plan kitchen dining with extractor fan. Door is kept open during summer for ventilation. Estimated attenuation with door closes is around 30dB Rw and with door open is around 15dB Rw. First Floor observations from exterior shows façade consists of around 20% glazing and 80% masonry. Unknown if mechanical ventilation is present. Attenuation provided by the façade is estimated to be around 25 dB Rw with windows and doors closed.

Annoyance to staff and customers of the Café. First Floor 55 – 60 dB Windows closed. Annoyance to office staff.

First Floor and above: Chatham Apartments-

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking

The building is a masonry construction with large sash windows. The windows are approx. 40% of the facade have lightweight glass and no seals. No mechanical ventilation is available.

55-60 dB Disturbance to staff and users of meetings rooms. Reduced concentration and productivity. Sleep disruption if carried out during nighttime/early morning hours.

<80 dB during other Dwall associated activities Page 19

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Specific Mitigation Measures

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

Estimated attenuation with windows closed are around 25 dB Rw on Level 1. 78 Pitt Street

Ground Floor: Methodist Church

70 – 75 dB at most exposed area of facade

Façade consists of 30% stain glass windows and 70% masonry. Relies on natural ventilation. Estimated attenuation with doors closed is around 30 dB Rw.

40 – 45 dB with doors closed. Services / events may be affected.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

80 Pitt Street

Ground Floor: Flying Out Records

70 – 75 dB at most exposed area of façade during concrete cutting/ breaking

Façade consists of 50-70% single glazing windows with natural ventilation reliant on keeping the doors open. Estimated attenuation with doors closed is around 25 dB Rw and with door open is around 15 dB Rw.

45 – 50 dB (with door closed) Recording and music events may be affected

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Minimise periods of concrete cutting and breaking during noise sensitive periods and use of localised enclosure where practicable. Communications team to determine venue use for the building and for works to be scheduled for a time that causes least impact on users.

9 Mercury Lane

Ground Floor and above: Mercury Theatre

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other Dwall

Facade consists of 70% masonry and 30% glazing. Large gaps are found around the emergency exit doors. No mechanical ventilation is available. This building is naturally ventilated via a roof system.

45 – 50 dB Annoyance to users but potentially masked with background music during venue use.

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| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

associated activities

Attenuation provided by the façade is estimated around 35 dB Rw.

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

Manage unnecessary impact sounds. Minimise periods of concrete cutting and breaking during noise sensitive periods and use of localised enclosure where practicable. Communications team to determine venue use for the building and for works to be scheduled for a time that causes least impact on users.

Note: 1. 2. 3.

Page 21

Relationship needs to be managed, meeting time to be arranged – façade observations from the exterior only Not consulted as owner/manager was unavailable – façade observations from exterior only Not consulted as property is currently vacant – façade observations from exterior only.

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Equipment/process

Vibration control measures

Excavators, loaders

Grease tracks regularly. Avoid unnecessary revving of engines and banging of buckets on the ground. Use smaller equipment where possible.

Excavator mounted rock breaker

Use lower vibration generating equipment such as a handheld jack hammer

Site specific vibration mitigation measures are included in Table 4-3.

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| Karangahape Station Main Works â€“ Diaphragm Wall â€“ Site Specific Construction Noise and Vibration Management Plan

Table 4-3: Site Specific Vibration Mitigation Measures

Address

Minimum Distance to works (m)

Building Type

1 Beresford Square

Historical / vibration sensitive

4-6 Beresford Square

Historical / vibration sensitive

8-12 Beresford Square

Historical / vibration sensitive

16-18 Beresford Square

Historical / vibration sensitive

14 East Street

Historical / vibration sensitive

16 East Street

Residential

238 Karangahape Road

Historical / vibration sensitive

Page 23

Specific Mitigation Measures Vibration may be felt within 1 Beresford Square during the use of excavators and concrete breakers within 10m of the building. Vibration will be intermittent in nature. Monitoring will be carried out once excavation and concrete breaking begins within 10 metres of the building to determine the actual levels of vibration from the equipment used. Long term monitoring to be installed at this property. Vibration may be felt within 4-6 Beresford Square during the use of excavators and concrete breakers within 10m of the building. Vibration will be intermittent in nature. Monitoring will be carried out once excavation and concrete breaking begins within 10 metres of the building to determine the actual levels of vibration from the equipment used. Vibration may be felt within 8-14 Beresford Square during the use of excavators and concrete breakers within 10m of the building. Vibration will be intermittent in nature. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Vibration may be felt within 16-18 Beresford Square during the use of excavators and concrete breakers within 10m of the building. Vibration will be intermittent in nature. Monitoring will be carried out once excavation and concrete breaking begins within 10 metres of the building to determine the actual levels of vibration from the equipment used. High-vibration emitting activities scheduled outside of sensitive hours, where practicable. Vibrations may be felt during the use of excavators and concrete breakers. Monitoring will be carried out once excavation and concrete breaking begins within 10 metres of the building to determine the actual levels of vibration from the equipment used. High-vibration emitting activities will be scheduled outside of early morning and evening hours, when building occupants may be sleeping. Vibrations will be felt during the use of excavators and concrete breakers. High-vibration emitting activities will be scheduled outside of early morning and evening hours, when building occupants may be sleeping. Vibration may be felt within 238 Karangahape Road during the use of excavators and concrete breakers within 10m of the building. Vibration will be intermittent in nature.

| Karangahape Station Main Works â€“ Diaphragm Wall â€“ Site Specific Construction Noise and Vibration Management Plan

Address

283 Karangahape Road

59 Pitt Street

Minimum Distance to works (m)

Building Type

Historical / vibration sensitive

61-65 Pitt Street

Historical / vibration sensitive

9 Mercury Lane

Historical / vibration sensitive

Page 24

Specific Mitigation Measures Monitoring will be carried out once excavation and concrete breaking begins within 10 metres of the building to determine the actual levels of vibration from the equipment used. Vibration may be felt within the rear of 283 Karangahape Road during the use of excavators and concrete breakers within 10m of the building. Vibration will be intermittent in nature. Monitoring will be carried out once excavation and concrete breaking begins within 10 metres of the building to determine the actual levels of vibration from the equipment used. Vibration may be felt within 59 Pitt Street during the use of excavators and concrete breakers within 10m of the building. Monitoring will be carried out once construction works begin within 10 metres of the building to determine the actual levels of vibration from the equipment used. Vibration may be felt within 61-65 Pitt Street during the use of excavators and concrete breakers within 10m of the building. Monitoring will be carried out once construction works begin within 10 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Long term monitoring to be installed at property. Vibration may be felt within 9 Mercury Lane during the use of excavators and concrete breaker within 10m of the building. Monitoring will be carried out once construction works begin within 10 metres of the building to determine the actual levels of vibration from the equipment used. Long term monitoring to be installed at property due to vibration concerns as identified in Appendix E of the CNV DWP and proximity to all construction stages. Advance notice to be given of high-vibration emitting activities.

| Karangahape Station Main Works â€“ Diaphragm Wall â€“ Site Specific Construction Noise and Vibration Management Plan

Further details of the meetings and comments made by the affected parties are provided in Appendix E of the CNV DWP.

Page 25

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

6. Monitoring Section 8 of the CNV DWP provides details of the methodology for noise and vibration monitoring to be undertaken during the D Wall construction works.

6.1 Noise Monitoring Noise monitoring will be carried out when excavation and concreting works begin within 20 metres of the buildings identified in Table 6-1. The monitoring will be carried out at first floor level unless it is not possible to gain access. Table 6-1: Noise Monitoring Locations

Receiver

Monitoring Location

Beresford Square Works 1 - 22 Beresford Square

1m from façade of building

59 Pitt Street

1m from façade of building

61 - 65 Pitt Street

1m from façade of building

70 – 76 Pitt Street

1m from façade of building

Mercury Lane Works 9 Mercury Lane

1m from façade of building

12 - 16 East Street

1m from façade of building

1 Cross Street

1m from façade of building

238 Karangahape Road

1m from façade of building

6.2 Vibration Monitoring Vibration monitoring will be carried out when works begin on site to determine actual equipment vibration levels and the attenuation provided by local ground conditions. If the initial vibration monitoring demonstrates that the emission radius for the excavation is similar to that identified in the CNV DWP, then the monitoring as detailed below will be carried out. If this monitoring demonstrates that vibration levels are significantly lower, then fewer properties may require monitoring. If they are higher, more properties may require monitoring. Vibration monitoring will be carried out at the following receivers when the excavators and breakers are first used within minimum distance, as stated in Table 4-3, of the buildings: • • • • • • •

Page 26

14 East Street 1 Beresford Square 61 - 65 Pitt Street 9 Mercury Lane 1 Cross Street 21 East Street 238 Karangahape Road

| Karangahape Station Main Works – Diaphragm Wall – Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation Appendix F Site Specific Construction Noise and Vibration Management Plan

Revision: 001 January 2020

Page 1

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

Site Specific Construction Noise and Vibration Management Plan This document is uncontrolled when printed. This document should be printed in colour

Revision Status Revision

Issue Date

Major Changes

Changed By

Approved By

Rev A

6/12/2019

Initial draft

Sharon Yung/ Joe Grimes

Peter Roan

Rev 000

24/01/2020

Final for submission

Sharon Yung

Peter Roan

Rev 001

21/02/2020

Final

Sharon Yung

Peter Roan

Approval Status Name/Title

Signature

Date

Prepared by:

Sharon Yung Acoustic Engineer

21/02/2020

Reviewed by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Controlled by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Approved by:

Peter Roan Link Alliance – Consents Lead

21/02/2020

Karangahape Station Main Works – Slab Construction and Excavation

Table of contents 1. Introduction ................................................................................................ 4 1.1

Objective ........................................................................................................................... 4

1.2

Site Plan............................................................................................................................. 4

2. Affected Noise and/or Vibration Receivers ................................................ 7 3. Karangahape Main Works - Slab Construction Activities ........................... 8 4. Façade performance and internal noise levels ........................................... 9 4.1

Noise ................................................................................................................................. 9

4.2

Vibration ......................................................................................................................... 23

5. Communication and Consultation ............................................................ 27 5.1

Consultation to inform this SSCNVMP ............................................................................. 27

6. Monitoring ................................................................................................ 28

Page 3

6.1

Noise Monitoring............................................................................................................. 28

6.2

Vibration Monitoring....................................................................................................... 28

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

1. Introduction This Site-Specific Construction Noise and Vibration Management Plan (SSCNVMP) forms part of the Construction Noise and Vibration Delivery Work Plan (CNV DWP) for the Karangahape Station main works. The Slab Construction includes the excavation of the proposed slab location and construction of a reinforced concrete floor slab in preparation of the next construction in Beresford Square and Mercury Lane. Excavation includes excavation works below the concrete slab for the Top-Down and Bottom-Up constructions involving rock breaker, concrete pouring at required depths and spoil extraction and removal above on ground level. Equipment used for the slab construction are reflective of equipment used above ground for the top down and bottom up construction stages hence these two construction stages have been combined into one SSCNVMP. This SSCNVMP provides a specific assessment of construction noise and vibration effects from the Slab Construction works that are predicted to exceed the Project Standards for construction noise and vibration specified in the CRL designation conditions. This SSCNVMP should be read in conjunction with the Karangahape main works CNV DWP CRL-KRDRME-LKA-PLN-800021 dated 21/02/2020, which contains further details of the proposed works, Project Standards, monitoring, general mitigation measures and other information relevant to this SSCNVMP.

1.2 Site Plan The location of the Karangahape Slab Construction works is shown in Figure 1-1 and Figure 1-2. Active work areas are shown in green shading.

Page 4

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

Figure 1-1: Site location – Karangahape Station (Beresford Square construction staging) Slab Construction Works

Figure 1-2 Site location – Karangahape Station (Mercury Lane construction staging) Slab Construction Works

Page 5

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation The location of the Karangahape Excavation works is shown in Figure 1-3 and Figure 1-4. Active work areas are enclosed by red lines.

Figure 1-3 Site location – Karangahape Station (Beresford

Square construction staging) Excavation Works

Figure 1-4 Site location – Karangahape Station (Mercury Lane construction staging) Excavation Works Page 6

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

2. Affected Noise and/or Vibration Receivers Receivers where noise and/or vibration levels from the slab construction and excavation works are predicted to exceed project noise or vibration standards, along with the relevant building uses, are listed in Table 2-1. Table 2-1: Affected receivers

Address

Historic/ Vibration Sensitive Classification

Use

Minimum Distance to Works (m)

Noise Criteria, dB LAeq

Noise Criteria, dB LAFmax

Vibration Criteria, mm/s

Beresford Square Works 1 Beresford Square

Mixed Use

1 Cross Street

Commercial

4-6 Beresford Square

Commercial

8-12 Beresford Square

Commercial

16-18 Beresford Square

Commercial

19 Beresford Square 1

Commercial

22 Beresford Square

Residential

75*

90*

59 Pitt Street

Commercial

61-65 Pitt Street

Commercial

70-76 Pitt Street

Mixed Use

75*

90*

78 Pitt Street

Church

80 Pitt Street 1

Commercial

243 Karangahape Road

Commercial

283 Karangahape Road

Mixed Use

75*

90*

Mercury Lane Works 12 East Street

Residential

75*

90*

14 East Street

Mixed Use

75*

90*

16 East Street

Residential

75*

90*

18 East Street

Residential

75*

90*

238 Karangahape Road

Mixed Use

75*

90*

75*

90*

9 Mercury Lane

Theatre

Page 7

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

3. Karangahape Main Works - Slab Construction Activities A general overview of construction activities for Slab Construction and Excavation for Top-Down Bottom-up along with proposed start and end dates, are shown in Table 3-1. Table 3-1: Overview of Karangahape Slab Construction Works

Works location

Overview of construction activities

Beresford Square

• L0 ground floor slab construction: Breakout concrete guide walls Excavate proposed shaft and slab area Muck away or stockpile spoil with tipper trucks Deliver reinforcement Concrete pours 1,500 m3

• Q3 2020 - Q1 2021 approximately 7 months

• Excavation: Top down construction below L0: Excavate and construct station slabs Concrete pours Excavation may include rock breaking Deliver Reinforcement Muck away spoil with tipper trucks

• Q1 2021 - Q4 2021 approximately 9 months

• Bottom up construction: Rock break and excavate Shotcrete and rock bolting Construct slabs and walls Deliver Reinforcement Muck away spoil with tipper trucks

• Q4 2021 - Q4 2022 approximately 12 months

• L0 Ground Floor slab construction: Breakout concrete guide walls and clear spoil Excavate ground floor slab area Muck away spoil with tipper trucks Deliver reinforcement cages Concrete pours 1,600 m3

• Q3- Q4 2020 approximately 3 months

• Top down construction below ground L0: Excavate and Concrete pour Crawler crane extract spoil skips to ground level Muck away spoil using tipper trucks Deliver reinforcement

• Q4 2020 – Q3 2021 approximately 7 months

• Excavation: Bottom up construction: Rock break and excavate Shotcrete and rock bolting Construct slabs and walls Deliver Reinforcement Muck away spoil with tipper trucks

• Q1 2021 – Q2 2022 approximately 17 months

Mercury Lane

Page 8

Approximate Duration

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation Details of the construction equipment that is likely to be used for the above activities and the associated noise levels can be found in Section 4.1 of the CNV DWP. Details of the equipment that is expected to generate high levels of vibration can be found in Section 4.2 of the CNV DWP. Note that the equipment levels detailed in the CNV DWP are placeholders. All equipment will be measured operating independently when work commences on site and the actual equipment noise/vibration levels and model numbers recorded and updated within the respective tables in the CNV DWP.

Façade performance and internal noise levels 4.1 Noise

The Slab Construction and Excavation works are located in close proximity to a number of receivers, meaning that predicted internal noise levels at these receivers will be high. Use of a concrete saw, concrete breaker, plate compactor, roller compactor, drilling equipment, has the potential to exceed the Project Standards for construction noise. An enclosure over high noise generating equipment, such as the concrete saws and rock breakers, is unlikely to be practical in a number of locations due to space restrictions on site. However, this will be reviewed on a case by case basis and, where practicable, enclosures will be utilised. Concrete cutting, breaking, compacting activities will take place intermittently during this phase of works. The use of rock breakers will be below the concrete slab only. However, even with the above mitigation and management measures implemented and noise barriers installed as outlined in the CNV DWP, the noise levels predicted at the most exposed façade of a number of properties will still exceed the Project Standards by more than 5 dB during some construction activities. These properties are detailed in Table 4-1 along with an estimate of the current façade performance and the worst-case internal noise levels anticipated to be received during Slab Construction works and Excavation works for Top-Down and Bottom-up. The specific measures identified are considered to reflect the BPO as they mitigate and manages the noise levels as far as practicable.

Page 9

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation Table 4-1: Estimated internal noise levels

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

1 Beresford Square

Ground and first Floor: Commercial

85 - 90 dB during concrete cutting/ breaking

Ground and first floor: 55 – 60 dB during concrete cutting/ breaking Disturbance to users and potential annoyance to staff and customers.

Second floor and above Residential.

Page 10

<85 dB during other associated construction phase activities

Second floor and above: 60 – 65 dB during concrete cutting/ breaking Potential sleep disturbance if carried out during night-time or early morning hours.

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Mechanical ventilation is required in bedrooms that are located along the facade overlooking the Beresford Square work site, if the resident is a shift worker and needs to sleep during the day.

Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

1 Cross Street

Ground Floor and above: Multiple businesses and single residential

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking within 20m of building

50% masonry and 50% single glazed windows. Openable windows with no mechanical ventilation. Estimated attenuation provided by the façade when windows closed is predicted to be around 25- 30 dB Rw.

55 - 60 dB (with windows closed) during concrete cutting/ breaking which could result in annoyance and disturbance to staff, customers and residents. <55 dB during other associated construction phase activities

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

50 - 55 dB (With doors closed) Annoyance to staff and customers.

<85 dB during other associated construction phase activities

4-6 Beresford Square

Ground Floor: Northern Bar

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other associated construction phase activities

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| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Long term noise monitoring to be installed at this property.

Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

All levels are mechanically ventilated with 100% single glazed façade. Estimated attenuation provided by the façade is predicted to be around 30 dB Rw.

50 – 55 dB during concrete cutting/ breaking

Ground floor: 50 – 55 dB during concrete cutting/ breaking

with the door open is 15 dB Rw. 8-10 Beresford Square

First Floor and above: Theta Inc

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other associated construction phase activities

12 Beresford Square

Page 12

Ground Floor: Bravo Hospitality

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other associated works activities

Notice of noisy works to be provided at least 24 hours in advance. Long term noise monitoring to be installed at this property.

First floor: 55 – 60 dB during concrete cutting/ breaking Reduction in work efficiency and concentration,

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Worst-case noise levels will be intermittent in nature and will occur when concrete saws and breakers are used within 10m of the building. Notice of noisy works to be provided at least 24 hours in advance. Long term noise monitoring to be installed at this property.

Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

disturbance to meetings. 16-18 Beresford Square

Ground Floor and above: Centurion Sauna1

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other associated construction phase activities

60 - 65 dB (with windows closed) during concrete cutting/ breaking Annoyance and disturbance to staff and customers. <60 dB during other associated construction phase activities

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site Worst-case noise levels will occur when works are within 10m of the building during the use of concrete saws, and breakers. Consultation required to determine if noisy works can be carried out at a time that least impacts them, and if additional mitigation on property is required.

19 Beresford Square

Ground Floor: Hopetoun Alpha

70 – 75 dB at most exposed area of façade during concrete cutting/ breaking

Façade consists of 90% masonry with 10% nonopenable glazing. No mechanical ventilation is present. Estimated façade attenuation provided by the façade is around 35 dB Rw.

35 – 40 dB (with doors closed)

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

22 Beresford Square

First Floor and above: Residential flats

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking

Façade consists of 40% masonry and 60% single glazed openable windows and a single glazed sliding door

50 – 55 dB Annoying and disturbing for residents.

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Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

<80 dB during other associated construction phase activities

facing the works location.

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Mechanical ventilation is required for living areas in the apartments on the eastern corner of the building overlooking the Beresford Square work site if the residents are typically home during the day. Consultation for this building has identified some residents are shift workers and will be sleeping during the day. Mechanical ventilation is required in bedrooms that are located along the facade overlooking the Beresford Square work site, if the resident is a shift worker and needs to sleep during the day.

Estimated attenuation provided by the façade is around 30 dB Rw with windows and doors closed.

12 East Street

Ground floor and above: Mixed used with Residential on first floor 2

80 -85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other associated construction phase activities

14 East Street

Page 14

Ground floor: Commercial

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking

Specific Mitigation Measures

Observation from the exterior indicates façade facing work sites is 70% glazing. Estimated attenuation based on observation of façade is 25 - 30 dB Rw.

Ground floor: 45 - 50 dB during concrete cutting/ breaking

Façade consists around 70% glazing Estimated attenuation provided by the façade is around 30 dB Rw.

Ground floor: 50– 55 dB Annoyance for staff of businesses.

First floor: 55 – 60 dB during concrete cutting/ breaking

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site

Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

Façade consists around 40% glazing. No mechanical ventilation is present. Estimated attenuation provided by the façade is around 30dB Rw with windows closed.

First floor: 55 - 60 dB

<80 dB during other associated construction phase activities First Floor: Residential flats

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other associated construction phase activities

16 East Street Residential

Ground Floor: Retail First floor: Residential

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other associated construction phase activities

Page 15

Annoying and disturbing for residents. Sleep disruption if carried out during night-time/early morning hours.

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Noisy activities must be scheduled for a time outside sleeping hours, with notice given 24 hours in advance. Manage unnecessary impact sounds. Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site. Noisy activities must be scheduled for a time outside sleeping hours, with notice given 24 hours in advance. Manage unnecessary impact sounds. It is noted this building will be partially demolished and may be unoccupied during these works.

Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

18 East Street

Ground Floor: Residential

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other associated construction phase activities

Façade is a light weight partition weatherboard with single glazed windows. Access to back façade where most impacted was not given. Estimated façade attenuation is around 25 dB Rw.

55 – 60 dB Annoying and disturbing to residents. Sleep disruption if carried out during night-time/early morning hours.

238 Karangahape Road

Ground Floor: Various commercial retails

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking

Main façade of retail spaces faces into the building atrium. Back of retail space is masonry with renovation works required Estimated attenuation provided by the façade is around 35dB Rw.

45 – 50 dB

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

Apartment façade consists of concrete walls with 2m high openable single glazed windows. Openable area is approx. 20% of overall glazing. Flat sizes vary. Presence of mechanical ventilation

55 - 60 dB Annoying and disturbing to residence. Sleep disruption if carried out during night-time/early morning hours.

<80 dB during other associated construction phase activities First floor and above: Residential Flats

85 - 90 dB at most exposed area of façade during concrete cutting/ breaking <85 dB during other associated construction phase activities

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Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

systems vary between apartments. Attenuation provided by the façade on corner flat with two large glazing areas is estimated to be around 30dB Rw. 243 Karangahape Road

First Floor and above: Calendar Girls 1

85 - 90 dB Worst case due to Slab Construction above ground level <85 dB during other associated construction phase activities

283 Karangahape Road

Page 17

Ground Floor: Samoa Tourism Authority 1

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking

Specific Mitigation Measures

bedrooms that are located along the facade overlooking the Mercury Lane work site, if the resident is a shift worker and needs to sleep during the day. Long term noise monitoring to be installed at this property.

55 – 60 dB Annoyance to staff and customers but not to a level that interferes with businesses with loud background music

Observation from the exterior show façade is 60% light weight cladding with 25% glazing and 15% open with shutters. Use around façade is

55 - 60 dB Potential annoyance depending on usage

Screening provided to ground floor by 2.4m high noise barrier with additional length of barrier angled in to the site. Consultation required with the affected party before works begin. Background music may be played inside at a level which will mask construction noise.

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

Karangahape Station Main Works – Slab Construction and Excavation

Address

59 Pitt Street

Floor

Ground floor: Vada, Waves, Fabriks, Tattoo Parlour

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

<80 dB during other associated construction phase activities

unknown but mechanical vents are visible. Estimated attenuation based on observation is predicted to be around 25 dB Rw with windows and doors closed.

80 - 85 dB at most exposed area of façade during concrete cutting/ breaking <80 dB during other associated construction phase activities

First floor: Graphics Design

Page 18

85 – 90 dB at most exposed area of façade during concrete cutting/ breaking

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

Each shop’s façade consists of around 80100% single glazing windows with glazed doors. No mechanical ventilation available. Attenuation provided by the façade is estimated to be around 30dB Rw with windows and doors closed

Ground floor: 50 – 55 dB Annoyance to staff and customers but not to a level that interferes with businesses

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

Façade is 50% single glazing and 50% masonry. A mechanical ventilation is available with openable windows. Estimated attenuation provided by the façade

55 – 60 dB during concrete cutting/ breaking

Annoyance and reduction in work efficiency, meetings

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

Address

61 Pitt Street

Floor

Ground Floor: Johnny Feedback coffee shop

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

<85 dB during other associated construction phase activities

is around 30dB Rw with windows closed.

and concentration may be disrupted.

80 - 85 dB during concrete cutting/ breaking

Coffee shop has no façade, shop opens with roller doors onto the street. No attenuation provided by the façade.

80 - 85 dB Disruption to business, staff and customers

Ground Floor consists of full single glazing façade with no mechanical ventilation. Open plan kitchen dining with extractor fan. Door is kept open

Ground Floor 50 – 55 dB (Door Closed) Annoyance to staff and customers of the Café. First Floor 55 – 60 dB Windows closed.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

<80 dB during other associated construction phase activities

65 Pitt Street

Page 19

Ground Floor: Tokyo Loco First Floor (63 Pitt Street) Hopetoun Legal

80 -85 dB at most exposed area of façade during concrete cutting/ breaking

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Specific Mitigation Measures

Karangahape Station Main Works – Slab Construction and Excavation

Address

70-76 Pitt Street

Floor

First Floor and above: Chatham Apartments-

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

<85 dB during other associated construction phase activities

during summer for ventilation. Estimated attenuation with door closes is around 30dB Rw and with door open is around 15dB Rw. First Floor observations from exterior shows façade consists of around 20% glazing and 80% masonry. Unknown if mechanical ventilation is present. Attenuation provided by the façade is estimated to be around 25 dB Rw with windows and doors closed.

Annoyance to office staff.

80 – 85 dB at most exposed area of façade during concrete cutting/ breaking

The building is a masonry construction with large sash windows. The windows are approx. 40% of the facade have lightweight glass and no seals. No mechanical ventilation is available.

55-60 dB Disturbance to staff and users of meetings rooms. Reduced concentration and productivity. Sleep disruption if carried out during

<80 dB during other associated construction phase activities Page 20

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Specific Mitigation Measures

Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Estimated attenuation with windows closed are around 25 dB Rw on Level 1.

night-time/early morning hours.

Specific Mitigation Measures

78 Pitt Street

Ground Floor: Methodist Church

70 – 75 dB at most exposed area of facade

Façade consists of 30% stain glass windows and 70% masonry. Relies on natural ventilation. Estimated attenuation with doors closed is around 30 dB Rw.

40 – 45 dB with doors closed. Services / events may be affected.

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

80 Pitt Street

Ground Floor: Flying Out Records

70 – 75 dB at most exposed area of façade during concrete cutting/ breaking

Façade consists of 5070% single glazing windows with natural ventilation reliant on keeping the doors open. Estimated attenuation with doors closed is around 25 dB Rw and with door open is around 15 dB Rw.

45 – 50 dB (with door closed) Recording and music events may be affected

9 Mercury Lane

Ground Floor and above: Mercury Theatre

80 – 85 dB

Facade consists of 70% masonry and 30% glazing.

45 – 50 dB Annoyance to users but potentially masked with

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

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Karangahape Station Main Works – Slab Construction and Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

at most exposed area of façade during concrete cutting/ breaking

Large gaps are found around the emergency exit doors. No mechanical ventilation is available. This building is naturally ventilated via a roof system. Attenuation provided by the façade is estimated around 35 dB Rw.

background music during venue use.

The following mitigation measures are recommended: Emergency exit doors and any air gaps to be properly sealed. Noisy activities must be scheduled for a time outside of sensitive hours with advance notice given 24 hours in advance. Manage unnecessary impact sounds. Minimise periods of concrete cutting and breaking during noise sensitive periods and use of localised enclosure where practicable. Communications team to determine venue use for the building and for works to be scheduled for a time that causes least impact on users.

<80 dB during other associated construction phase activities

Note: 1. 2.

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Karangahape Station Main Works – Slab Construction and Excavation

Equipment/process

Vibration control measures

Excavators, bobcats, loaders

Grease tracks regularly. Avoid unnecessary revving of engines and banging of buckets on the ground. Use smaller equipment where possible.

Jack-hammers, hammer-drills

Use smaller equipment where possible

Roller compactors (8T-14T), plate compactor

Use a smaller compactor, less than 10t

Site specific vibration mitigation measures are included in Table 4-3.

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| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation Table 4-3: Site Specific Vibration Mitigation Measures

Address

Minimum Distance to works (m)

Building Type

1 Beresford Square

Historical / vibration sensitive

1 Cross Street

Historical / vibration sensitive

4-6 Beresford Square

Historical / vibration sensitive

8-12 Beresford Square

Historical / vibration sensitive

Page 24

Specific Mitigation Measures Vibration may be felt within 1 Beresford Square during the use of excavators and compactors. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Long term monitoring to be installed at property due to vibration concerns as identified in Appendix E of the CNV DWP and proximity to all construction stages. Vibration may be felt within 1 Cross Street during the use of excavators and compactors. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Long term monitoring to be installed at this property. Vibration may be felt within 4-6 Beresford Square during the use of excavators and compactors. Further liaison will take place and high-vibration emitting activities scheduled before 3pm, when building occupants may be affected after opening hours. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Vibration may be felt within 8-12 Beresford Square during the use of excavators, drilling and compactors. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable.

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

Minimum Distance to works (m)

Building Type

16-18 Beresford Square

Historical / vibration sensitive

14 East Street

Historical / vibration sensitive

16 East Street

Residential

238 Karangahape Road

Historical / vibration sensitive

Address

283 Karangahape Road

Page 25

Historical / vibration sensitive

Specific Mitigation Measures Vibration may be felt within 16-18 Beresford Square during the use of excavators and compactors. Further liaison will take place and high-vibration emitting activities scheduled outside of sensitive hours, when building occupants may be affected when venue is operating. Vibrations may be felt within 14 East Street during the use of excavators and compactors. Further liaison will take place and high-vibration emitting activities scheduled outside of early morning and evening hours, when building occupants may be sleeping. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Vibrations may be felt within 16 East Street during the use of excavators and compactors. Further liaison will take place and high-vibration emitting activities scheduled outside of early morning and evening hours, when building occupants may be sleeping. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Vibration may be felt within 238 Karangahape Road during the use of excavators and compactors. High vibration emitting activities to be scheduled outside of early morning and evening hours, when building occupants may be sleeping. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Vibration may be felt at the rear of 283 Karangahape Road during the use of excavators and compactors.

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

Address

Minimum Distance to works (m)

Building Type

Specific Mitigation Measures The Project team will review the construction methodology and select low vibration-emitting equipment where practicable.

59 Pitt Street

Historical / vibration sensitive

61-65 Pitt Street

Historical / vibration sensitive

9 Mercury Lane

Historical / vibration sensitive

Page 26

Vibration may be felt within 59 Pitt Street during the use of excavators and compactors. Monitoring will be carried out once construction works begin within 15metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Vibration may be felt within 61-65 Pitt Street during the use of excavators and compactors. Monitoring will be carried out once construction works begin within 15 metres of the building to determine the actual levels of vibration from the equipment used. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Long term monitoring to be installed at this property. Vibration may be felt within 9 Mercury Lane during the use of excavators, drilling and compactors. Long term monitoring to be installed at property due to vibration concerns as identified in Appendix E of the CNV DWP and proximity to all construction stages. The Project team will review the construction methodology and select low vibration-emitting equipment where practicable. Advance notice to be given during high-vibration emitting activities.

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

Further details of the meetings and comments made by the affected parties are provided in Appendix E of the CNV DWP.

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| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation

6. Monitoring Section 8 of the CNV DWP provides details of the methodology for noise and vibration monitoring to be undertaken during the Slab Construction works.

6.1 Noise Monitoring Noise monitoring will be carried out when use of the concrete saw and concrete breaker begins within 20 metres of the buildings identified in Table 6-1. The monitoring will be carried out at first floor level unless it is not possible to gain access. Table 6-1: Noise Monitoring Locations

Receiver

Monitoring Location

Beresford Square Works 1 Beresford Square

1m from façade of building

16-18 Beresford Square

1m from façade of building

4-6 Beresford Square

1m from façade of building

59 Pitt Street

1m from façade of building

61 – 65 Pitt Street

1m from façade of building

283 Karangahape Road

1m from façade of building

Mercury Lane Works 238 Karangahape Road

1m from façade of building

1 Cross Street

1m from façade of building

9 Mercury Lane

1m from façade of building

14 East Street

1m from façade of building

6.2 Vibration Monitoring Vibration monitoring will be carried out when works begin on site to determine actual equipment vibration levels and the attenuation provided by local ground conditions. If the initial vibration monitoring demonstrates that the emission radius for the excavator is similar to that identified in the CNV DWP, then the monitoring as detailed below will be carried out. If this monitoring demonstrates that vibration levels are significantly lower, then fewer properties may require monitoring. If they are higher, more properties may require monitoring. Vibration monitoring will be carried out at the following receivers when use of the excavator, handheld concrete breaker or plate compactor occur within distances as identified in Table 4-3 of the building: • • • • • Page 28

1 Beresford Square 4-6 Beresford Square 8-12 Beresford Square 14 East Street 16 East Street | Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Slab Construction and Excavation • • • •

Page 29

238 Karangahape Road 59 Pitt Street 61-65 Pitt Street. 9 Mercury Lane

| Karangahape Station Main Works – Slab Construction– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Temporary Shaft Excavation Appendix F Site Specific Construction Noise Management Plan

Revision: 001 February 2020

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| Karangahape Station Main Works – Temporary Shaft Excavation– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Temporary Shaft Excavation

Site Specific Construction Noise Management Plan This document is uncontrolled when printed. This document should be printed in colour

Revision Status Revision

Issue Date

Major Changes

Changed By

Approved By

Rev A

06/12/2019

Initial draft

Sharon Yung

Peter Roan

Rev 000

24/01/2020

Final for submission

Sharon Yung

Peter Roan

Rev 001

21/02/2020

Final

S Yung

Peter Roan

Approval Status Name/Title

Signature

Date

Prepared by:

Sharon Yung Acoustic Engineer

21/02/2020

Reviewed by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Controlled by:

Claire Drewery Technical Director – Acoustics

21/02/2020

Approved by:

Peter Roan Link Alliance – Consents Lead

21/02/2020

Karangahape Station Main Works – Temporary Shaft Excavation

Table of contents 1. Introduction ................................................................................................ 4 1.1

Objective ........................................................................................................................... 4

1.2

Site Plan............................................................................................................................. 4

2. Affected Noise Receivers ............................................................................ 5 2.1

Affected receivers.............................................................................................................. 5

3. Karangahape Main Works - Temporary Shaft Excavation Activities........... 6 3.1

Temporary Shaft Enclosure................................................................................................ 6

4. Façade performance and internal noise levels ........................................... 7 4.1

Noise ................................................................................................................................. 7

5. Communication and Consultation ............................................................ 10 5.1

Consultation to inform this SSCNMP ............................................................................... 10

6. Monitoring ................................................................................................ 11 6.1

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Noise Monitoring............................................................................................................. 11

| Karangahape Station Main Works – Temporary Shaft Excavation– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Temporary Shaft Excavation

1. Introduction This Site-Specific Construction Noise Management Plan (SSCNMP) forms part of the Construction Noise and Vibration Delivery Work Plan (CNV DWP) for the Karangahape Station main works. The Temporary Shaft Excavation includes the construction of the a 17m wide, 22m deep excavated shaft for mined tunnel access in Mercury Lane. The construction activities include sheet piling, excavation of the shaft down to rock level, rock breaking, installation of a gantry crane for the proposed 24 hour tunnel construction and installation of a noise enclosure above the excavated shaft opening. This SSCNMP provides a specific assessment of construction noise and vibration effects from the Temporary Shaft Excavation works that are predicted to exceed the Project Standards for construction noise and vibration specified in the CRL designation conditions. This SSCNMP should be read in conjunction with the Karangahape main works CNV DWP CRL-KRDRME-LKA-PLN-800021 dated 21/02/2020, which contains further details of the proposed works, Project Standards, monitoring, general mitigation measures and other information relevant to this SSCNMP.

1.1 Objective The objective of this SSCNMP is to detail the best practicable option to avoid, remedy or mitigate adverse effects on receivers resulting from construction noise and/or vibration that does not comply with the Project Standards set out in Section 3 of the CNV DWP. This SSCNMP has been prepared in accordance with designation Conditions 37, 38, and 39.

1.2 Site Plan The location of the Karangahape Temporary Shaft Excavation works is shown in Figure 1-1. Active work areas are shown in red shading whilst green areas show the area of the raised noise shelter around the temporary shaft after excavation.

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| Karangahape Station Main Works – Temporary Shaft Excavation– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Temporary Shaft Excavation

Figure 1-1: Site location – Karangahape Station Temporary Shaft Excavation Works

2. Affected Noise Receivers 2.1 Affected receivers Receivers where noise levels from the temporary shaft excavation works are predicted to exceed project noise standards, along with the relevant building uses, are listed in Table 2-1. Table 2-1: Affected receivers

Address

Use

Minimum Distance to Works (m)

Noise Criteria, dB LAeq

Noise Criteria, dB LAFmax

238 Karangahape Road

Mixed Use

75*

1 Cross Street

Commercial

75*

*This is the Monday to Saturday 07:00 to 22:00 noise criteria. The majority of works will be carried out during this period. For residential receivers the noise limit is reduced to 65 dB LAeq & 80 dB LAFmax on Sundays and Public Holidays between 07:00 to 22:00 and to 60 dB LAeq & 75 dB LAFmax at all other times.

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Karangahape Station Main Works – Temporary Shaft Excavation

3. Karangahape Main Works - Temporary Shaft Excavation Activities A general overview of construction activities for Temporary Shaft Excavation along with proposed start and end dates, are shown in Table 3-1. Table 3-1: Overview of Karangahape Temporary Shaft Excavation Works

Works location

Overview of construction activities

Mercury Lane

• Temporary shaft construction: Install sheet piles Construct foundations Excavate temporary shaft Install ring beams Break through rock down to required depth Install rock bolts Construct noise shelter Install gantry crane

Approximate Duration • Q1 - Q3 2020 approximately 8 months

3.1 Temporary Shaft Enclosure An enclosure is to be constructed around the access shaft and associated tunnel construction equipment to allow for works to take place 24 hours 7 days a week. Equipment housed within the enclosure includes rock bolts, shotcrete, 50T gantry crane and spoil dumping area. Section 6.7 of the CNV DWP specifies a minimum sound reduction of 26 dB (Rw) for each façade is to be achieved by the enclosure design along with mitigation measures to not exceed criteria by more than 5dB at the closest receivers.

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| Karangahape Station Main Works – Temporary Shaft Excavation– Site Specific Construction Noise and Vibration Management Plan

Karangahape Station Main Works – Temporary Shaft Excavation

4. Façade performance and internal noise levels 4.1 Noise The Temporary Shaft Excavation works are located behind a 2.4m high hoarding directly across from two multi storey receivers. The works will include the use of concrete cutting, breaking, compacting and sheet piling activities. This equipment has the potential to exceed the Project Standards for construction noise. An enclosure over high noise generating equipment, such as the concrete saw and hydro excavators, is unlikely to be practical on site but should be utilised where practicable. However, even with the above mitigation and management measures implemented and noise barriers installed as outlined in the CNV DWP, the noise levels predicted at the most exposed façade of a number of properties will still exceed the Project Standards by more than 5 dB during some construction activities. These properties are detailed in Table 4-1 along with an estimate of the current façade performance and the worst-case internal noise levels anticipated to be received during Temporary Shaft Excavation works. The specific measures identified are considered to reflect the BPO as they mitigate and manages the noise levels as far as practicable.

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Karangahape Station Main Works – Temporary Shaft Excavation Table 4-1: Estimated internal noise levels

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

1 Cross Street

Ground Floor and above: Multiple businesses and single residential

85 - 90 dB at most exposed area of façade during concrete breaking / sheet piling within 20m of building

50% masonry and 50% single glazed windows. Openable windows with no mechanical ventilation. Estimated attenuation provided by the façade when windows closed is predicted to be around 25- 30 dB Rw.

55 - 60 dB (with windows closed) during sheet piling which could result in annoyance and disturbance to staff, customers and residents. <55 dB during all other activities

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

Main façade of retail spaces faces into the building atrium. Back of retail space is masonry with renovation works required Estimated attenuation provided by the façade is around 35dB Rw.

45 – 50 dB

Screening provided by 2.4m high noise barrier with additional length of barrier angled in to the site.

<85 dB during all other activities

238 Karangahape Road

Ground Floor: Various commercial retails

80 – 85 dB at most exposed area of façade during concrete breaking / sheet piling <80 dB during all other activities

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| Karangahape Station Main Works – Temporary Shaft Excavation– Site Specific Construction Noise and Vibration Management Plan

Worst-case noise levels will be intermittent in nature and will occur when concrete breaking / sheet piling is occurring within 20m of the building. Noisy activities must be scheduled for a time outside sleeping hours, with notice given 24 hours in advance. Manage unnecessary impact sounds.

Karangahape Station Main Works – Temporary Shaft Excavation

Address

Floor

External Noise Level dB LAeq

Façade Build-up / Expected performance (dB Rw)

Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Specific Mitigation Measures

First floor and above: Residential Flats

85 - 90 dB at most exposed area of façade during concrete breaking / sheet piling

55 - 60 dB Annoying and disturbing to residence. Sleep disruption if carried out during nighttime/early morning hours.

<85 dB during all other activities

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| Karangahape Station Main Works – Temporary Shaft Excavation– Site Specific Construction Noise and Vibration Management Plan

Consultations have identified shift workers and retirees whom sleep during the daytime within this building. Mechanical ventilation is required in bedrooms that are located along the facade overlooking the Mercury Lane work site, if the resident is a shift worker and needs to sleep during the day. Long term noise monitoring is to be carried out at this building.

Karangahape Station Main Works – Temporary Shaft Excavation

5.1 Consultation to inform this SSCNMP Consultation with the affected parties identified in this SSCNMP took place in August, September and October 2019. Topics that were covered included: • • • • • •

Further details of the meetings and comments made by the affected parties are provided in Appendix E of the CNV DWP.

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| Karangahape Station Main Works – Temporary Shaft Excavation– Site Specific Construction Noise and Vibration Management

Karangahape Station Main Works – Temporary Shaft Excavation

6. Monitoring Section 8 of the CNV DWP provides details of the methodology for noise and vibration monitoring to be undertaken during the Temporary Shaft Excavation works.

6.1 Noise Monitoring Noise monitoring will be carried out when concrete breaking, excavation and sheet piling begins within the vicinity of the buildings identified in Table 4-1. The monitoring will be carried out at first floor level unless it is not possible to gain access.

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Construction Noise and Vibration Delivery Work Plan

Appendix G: Noise Monitoring Template Date: _ _ / _ _ / 20 _ _ Equipment set used

Operator: Model:

Serial No. :

Date of last calibration: _ _ / _ _ / 20 _ _ MEASUREMENT DESCRIPTION  Machinery / operational noise (Not at a receiver)

 Noise at a receiver location

Construction location:

Receiver address:

Distance to machinery / operation:

(m)

Distance to receiver:

(m)

Describe noise sources (e.g. roller, piling, generator) and the location relative to the receiver:

Describe any other unrelated noises (e.g. traffic noise) and the location relative to the receiver:

Describe any reflecting surfaces (e.g. walls, buildings) and the location relative to the receiver:

Describe any other factors such as barriers/terrain, or relative elevations of sources and receivers:

It is useful to attach an aerial photograph where possible. If this is done include the following details:  Location of site activity

 Measurement Locations

 Location of reflecting surfaces

 Relative heights

 Locations of unrelated sources

 Intervening barriers/terrain

It is also useful to include photographs or diagrams of the measurement location, the major sound sources, and any other details you believe may be useful.  Additional documents attached

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Construction Noise and Vibration Delivery Work Plan MEASUREMENT DETAILS

Location reference

Time

Measurement duration, t

LAeq(t)

LAFmax

Adjustment for façade reflection

Equipment operating on site

Sounds heard at measurement location (note dominant and LAFmax sounds) Construction equipment

____h  Constant noise  Cyclic noise

__:__ _ _ . _ dB

_ _ . _ dB

min:sec

____h  Constant noise  Cyclic noise

__:__ min:sec

____h  Constant noise  Cyclic noise

__:__ min:sec

____h  Constant noise  Cyclic noise

__:__ min:sec

NOTES Please include any issues that were encountered during the measurements or other factors that may influence the validity of this measurement.

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Other sources

Compliance achieved (y/n)

Construction Noise and Vibration Delivery Work Plan

Appendix H: Vibration Monitoring Template Date: _ _ / _ _ / 20 _ _ Equipment set used

Operator: Model:

Serial No. :

Date of last calibration: _ _ / _ _ / 20 _ _ MEASUREMENT DESCRIPTION  Machinery / operational vibration (Not at a receiver)

 Vibration at a receiver location

Construction location:

Receiver address:

Distance to machinery / operation:

(m)

Horizontal Distance to receiver:

(m)

Floor Number: Describe vibration sources (e.g. roller, piling, concrete breaking) and the location relative to the receiver:

Describe any other unrelated vibration (e.g. traffic, other construction, footfall, lifts) and the location relative to the receiver:

Describe geometry of foundation (e.g. walls, buildings) and the location relative to the receiver:

Describe the coupling method (geophone to structure)

Describe approximate composition of ground between source and receiver (e.g. basalt, sandstone)

Describe structural resonance observed, if any. For example swaying at higher floors – note the approximate frequency and magnitude.

It is useful to attach an aerial photograph where possible. If this is done include the following details:  Location of site activity

 Measurement Locations

 Location of intervening geometry

 Relative heights

 Locations of unrelated sources

 Changes in composition of terrain

It is also useful to include photographs or diagrams of the measurement location including building plans where available, the major vibration sources, and any other details you believe may be useful. It is important to note whether the measurement was at the foundation, or in the plane of the highest floor.  Additional documents attached

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Construction Noise and Vibration Delivery Work Plan MEASUREMENT DETAILS

Location reference

Time

Measurement PPV duration, t

Dominant axis of movement

Dominant frequency, Hz

Equipment operating on site

Vibrations observed at measurement location

(y/n) Construction equipment

____h  Continuous  Transient

__:__ min:sec

__._ mms-1

____h  Continuous  Transient

__:__ min:sec

__._ mms-1

____h  Continuous  Transient

__:__ min:sec

__._ mms-1

____h  Continuous  Transient

__:__ min:sec

__._ mms-1

NOTES Please include any issues that were encountered during the measurements or other factors that may influence the validity of this measurement.

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Compliance achieved

Other sources

Construction Noise and Vibration Delivery Work Plan

Appendix I: Record of CLG, IPR and Auckland Council Comments I1. CLG Comments A Karangahape CLG meeting was held on 12th November 2019 to discuss the Karangahape early works and for the CLG to provide comments / feedback on the CEMP and sub-plans, including this CNV DWP. Comments were received from the CLG on this CNV DWP as follows: CLG Member

Comment

Response

Business Owner and occupant of 61-65 Pitt Street

Asked how bad the impacts would be of the upcoming works.

Vibration contours were shown. Vibration from the excavator will have the highest impact but is not predicted to exceed the DIN criteria. No information on specific mitigation measures had been discussed by this stage. No change to the CNV DWP made.

Asked about specific mitigation measures. Resident of 238 Karangahape Road

Was not aware of 24 hour construction operation Mentioned that tree felling happened 8pm the night before Mentioned that the body corp is looking to repair the faรงade on Mercury Lane. Asked about pedestrian access, traffic access for scaffolding.

Representative of George Court Body Corp (238 Karangahape Road)

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Essential maintenance and repairs are due on building and would like to request Contractors to work with building owners to facilicate the works. Noise will be an issue for residents whom are at home during the day. Expecting plenty of complaints about early start on Saturdays.

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Reassured that the Shed was being designed to meet designation criteria. Explained the Auckland Unitary Plan and how it applies to different construction zones. We suggested he talks with the Station Manager and Traffic Engineer together. No change to the CNV DWP made. Concerns noted and discussions to take place between body corp and Construction Manager. No change to the CNV DWP made.

Construction Noise and Vibration Delivery Work Plan

CLG Member

Comment

Response

Representative of Theta, 8-10 Beresford Square (Theta House)

Noise is the main concern for the business. Asked about construction timeframes

We explained that surface works will be the loudest and then all the excavation under the surface slab will be much more quiet. The construction manager came over and went through each construction stage in detail. No change to the CNV DWP made.

Member of the Business Association

Asked on behalf of someone looking to purchase property in Galatos Street. Wanted to know how much noise there will be at the property

Noise contours were shown. Noise will comply with the criteria at that location. No change to the CNV DWP made.

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Construction Noise and Vibration Delivery Work Plan

I2. IPR Comments Response No.

DWP Section

Comments

Response

1.4

Relevant Section of DWP for conditions 31.2 and 33.2 are 3.1 and 3.2 respectively

Noted

Piling is mentioned as part of the Beresford Square works; however, noise and vibration contours are not provided for this. These should be provided, with updates made to the assessment if noise and/or vibration issues are found along with any mitigation measures necessary.

Error in Table 2-1, No piling is expected for Beresford Square . Table updated.

2.2

Please include organization and contact number for the key personnel.

Updated

3.1

In the fifth line of the first paragraph notes: “These noise levels are applicable 1m from any building façade”. We recommend changing the term “from any building façade” to “from the most exposed façade of a receiver” so that complies with NZS6803:1999 (per Condition 31.2)

Noted and updated in DWP.

4.1

Table 4-1 Noise values presume free field conditions which are not going to exist at the Karangahape Road works with so many surrounding buildings. We would suggest a more realistic distance propagation is presented and noted as such. Hydrovac levels are noted to be highly variable and quite noticeable due to their extended periods of operation. Selection of quiet equipment for this item is critical. (We note previous Aotea DWP used 107 vs 104 dB LAeq but expect the actual range is much higher)

Noted Noise values in Table 4-1 are free field but are placeholders. A 3D noise model has been generated for the project which considers other factors such as ground absorption and façade reflections. The 3D model has been used to assess noise levels against the criteria. Contour Maps in Appendix C and D shows the more realistic distance propagations.

4.2

Some activities in table 4-2 are considered long-term vibration as per DIN 4150 definition, and the radii should reflect the lower criteria. Vibration contours should be presented as “short term” and “long term” to reflect the varied criteria.

Vibration generated by equipment such as roller compactors and vibro-piling works occurs over discrete short periods of time, with the entire works generally only occurring for a few hours dependent on the extent of the worksite. This duration is short term and not enough to cause structural fatigue in a building. Short-term vibration is considered to be vibration which does not occur often enough to cause structural fatigue, and which does not produce resonance in the structure. Buildings typically have resonant frequencies around 4 Hz, while the energy of sheet piling is typically between 31.5

“Table 4-2 summarises the setback distance…inside of which exceedance of the building damage criteria…may occur at the foundation of receiving buildings”- This is only in reference to short-term vibrations. The setback distances for long-term vibrations should also be included.

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Construction Noise and Vibration Delivery Work Plan and 63Hz. Considering the vibration would not occur long enough to cause structural fatigue and would not cause building resonance, it would be considered short-term in accordance with the definition provided by DIN4150. Therefore, Long term criteria will not been plotted. Appendix K Heading added for measurements of equipment. Table 4-2 header should refer to “activities” instead of “Equipment”.

Noted and updated in DWP.

5.1

The following discrepancies were noted within Table 5-1: • 1 Beresford Square as a “Mixed Use” property, while the SSCNVMPs list it as a “Commercial” property • 14 East Street as a “Commercial” property, while the SSCNVMP for slab works lists it as “Mixed Use” and the SSCNVMP for piling works lists it as “Residential” These should be clarified and made consistent throughout all documents

Noted and updated in DWPs and SSCNVMPs. 1 Beresford is Mixed use, and 14 East Street is Mixed Use

5.1, 6.6

These sections note “Predictions include a 2.4m high straight hording with angled section on top around the construction sites”. Please provide a sketch of the angle section used on the predictions so the contractor knows exactly what should be provided (length, angle).

A sketch is not necessary as we are already working directly with the contractor on the construction of these barriers.

Concrete/paver cutter should be included in the Management Procedures and Mitigation Measures. We recommend mobile barriers as used in Stages 4 and 5 of the Aotea Utility Relocation Works to provide some useful noise reduction.

Mitigation for concrete cutters is already present in the relevant Site Specific management plans Section 4.1

6.1

6.1 could usefully reference 6.2-6.8 so all those trained fully understand the implementation of all requirements. E.g. Training should specifically cover the effective use of mitigation measures, not just the need for the mitigation measure. It is common to see temporary noise barriers poorly installed and thus ineffective - presumably due to workers not understanding that the poor installation makes them weak.

Noted

6.2

Use of rubber tracks to eliminate squeal wherever possible is another form of recommended mitigation for tracked equipment

Already present in Section 6.2

6.3

Electric motors could be used as a substitute for diesel engines where practicable

Noted and updated in DWP.

6.4

Additional mitigation could be the usage of only muffled breakers on-site. It may be informative for the prediction of rock breaking noise to be updated based on muffled breakers since these are readily available.

Noted

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Construction Noise and Vibration Delivery Work Plan

6.5

We consider it appropriate to include the following as an additional mitigation measure (per Mt Eden proposal or similar). • “Minimise alternating rotation of the bored piling auger to loosen spoil into the muck bin. Shaking the ‘kelly bit’ connection creates very loud banging that can result in noise complaints”

Noted and updated in DWP.

6.6

With regards to enclosures, preliminary design details/examples/references should be provided, so the contractor understands what is necessary.

We do not consider this to be required in the documents. We are working directly with the contractor on these

6.9

No times have been set, nor any restricted hours for activities and notable receivers (e.g. as required by Condition 36.3 b) Restricted period). These should be set.

We do not consider it necessary to restrict hours at this stage beyond the requirements of the conditions (piling and road cutting limited to between 7am and 7pm Monday to Saturday)

7.1.2

“Written notification to raise awareness of the works, the required construction activities and their duration should be provided at least 20 working days prior to the commencement of works” (per Mt Eden proposal or similar). We note that there may be a desire to refer to other documents, but we would not expect the Complaints Procedure to change, so it should be included here. Please include relevant points. (example below from Mt Eden Early works) An investigation shall be undertaken involving the following: • Identification of sources of concern, and measuring or estimating noise and/or vibration levels at the time of the complaint; • A hotline phone/text number shall be established to receive complaints. Acknowledge receipt of the concern or complaint. An initial response shall be undertaken within 24 hours of receiving a complaint and resolved as soon practicable. If a reasonable complaint relates to building damage or sleep disturbance, inform the on-duty site manager as soon as practicable to cease works pending the investigation; • Reporting the findings and recommendations to the Construction Manager; • Actions and time taken to close-out complaint; • Communication with the complainant; and • Reporting of the investigation in the complaints file. A record of all concerns and/or complaints received shall include: • The name of the person(s) who raised the concern or complaint (unless they elect not to provide this) and details of the concern or complaint; • Where practicable, weather conditions at the time of the concern or complaint, including wind direction and cloud cover if the complaint relates to noise; • Known construction activities at the time and in the vicinity of the complainant during the concern or complaint period; and • Remedial actions undertaken (if any) and the outcome of these, including monitoring of the activity.

Noted and included in DWP

We consider the reference to the complaints procedure to be adequate and it is in line with the approved Karangahape Road Early Works CNV DWP.

7.2

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Construction Noise and Vibration Delivery Work Plan If a complaint is received about vibration amenity, and a measurement demonstrates exceedance of the CRL designation condition vibration limits, the following procedures will be implemented: • Further measurements may be required to determine the extent of the exceedance and identify the activity/activities responsible; • Review the mitigation strategy and construction methodology to ensure BPO is applied; • Further measurements may be required to determine the effectiveness of BPO measures and reassess compliance status, etc. “The equipment noise levels detailed in Table 4-1 are placeholders” – Any changes to the noise counters expected from alterations to the DWP should be reviewed by Council’s SME

8.1

8.2

8.1, 8.2

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Noted

“The monitoring position will be at the ground floor level” – This should not be the case as several buildings are expected to have highest noise levels at the façade at an elevated level due to height limitations of the noise barriers (e.g. overlooking balconies and openable windows at high level).

Noted. However, measuring at first floor or above requires the consent of the building owner/ manager. On C2 we wanted to conduct all measurements at first floor or above but for the majority of the construction period we were unable to obtain the necessary access.

The monitoring position should be where the receiver is most exposed to the noise from works, with monitoring equipment located at a position where there are relatively few obstructions to the noise source (e.g. balcony rails, glass, etc.)

Noted

“Vibration monitoring shall only be undertaken by the Acoustic Specialist or trained vibration monitoring staff as identified in Table 2-2 of this CNV DWP” – Given the scale of these works and potential for disruption and complaints, should the monitoring personnel be independent from those in charge of advising on mitigation?

No. Continuous noise and vibration loggers are being set up across the project by Sixth Sense in addition to the attended monitoring.

“Vibration shall initially be measured at the closest building foundations (usually at basement or ground floor level)…” – This only applies to short-term vibration measurements. Longterm measurements measured at top level should be included as per DIN 4150-3:1999.

Refer to response 5. The vibration impacts from the similar works have been measured to be significantly higher at the foundation than the highest floor on other projects. Using the long term vibration criteria would result in a less stringent vibration criteria for the project.

In response to noise and vibration complaints, “reasonable” is an ambiguous term. This should be removed, or replaced with a clearer statement (e.g. “in response to any noise complaints unless they are clearly spurious”)

We do not consider “reasonable” to be an ambiguous term. This term has been used in all of the approved plans to date.

Monitoring diagrams are difficult to follow due to cross overs and decision points not clearly labelled. Consider the use of the MDA style one (refer Mt Eden Early Works).

Noted

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Construction Noise and Vibration Delivery Work Plan

8.4

“Where a post-construction building condition survey confirms that the building has deteriorated as a result of the construction the damage will be rectified” – This is very brief and could be usefully expanded. We note Condition 36.3k(vii) requires the SSCNVMP to detail “Procedures for how works will be undertaken should they be required as a result of the building condition surveys;“

If the post construction survey confirms damage has occurred due to construction of the project the damage will be fixed. There is nothing more to say.

9.3

“If minor damage has occurred, such as cosmetic cracks, further mitigation will be applied if practicable. However, the activity can continue provided the measured vibration level is not exceeded further.” – Additional measures should be provided in this case, such as confirmation that no further damage will occur from a structural engineer as per Condition 38.4. Occupants will be alarmed at the sight of cracks, so appropriate action should be taken to ensure that the cracks do not worsen and the occupants are informed of such. We recommend continuous monitoring and live communication methodologies to confirm that no further damage will occur and occupants are not endangered despite the presence of visible damage to give peace of mind to the occupants.

Noted

General SSCNVMP Comments

Comment No.

Comment

Response

Response No.

Reasons why the management and mitigation measures and methods reflect best practicable option (as per Condition 37.5 f)) are missing.

Updated

Noise levels and mitigation for unrelated activities are included in some SSCNVMPs (For example, noise levels for concrete cutting/breaking in the SSCNVMP for piling)

The SSCNVMPS are for construction stages and each stage comprises of a variety of equipment required to complete that stage as provide by the construction team. Therefore “piling” is not just bore piling but included associated works and equipment such as concrete cutting.

No piling contours provided for Beresford Square Works although it was noted on Section 2.1 of the CNV DWP document.

No piling works for Beresford Square, DWP updated

No long-term vibration contours provided.

See response 5 and 23

Differences in the information presented in between the DWP and the four SSCNVMPs in relation with the receivers creates some confusion and should be rectified. For example: • “8-12” and “8-10” Beresford Square appear to refer to the same occupants (1) • Building use of 14 East Street is variously described as residential, commercial and mixed use (2) • Noise-generating activities; For example, 1 Cross St:

(1) 8-12 Beresford Square is one building with multiple occupants under different addresses therefore Site specifics splits between occupants. (2) updated (3) Levels are different across different stages of work due to the differences in work areas. Piling works is located

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Construction Noise and Vibration Delivery Work Plan o External level for concrete cutting/breaking is 80-85 dBLAeq in the SSCNVMP for piling, but 85-90 for the same works and receiver in the D-wall, Slab Construction & excavation SSCNVMPs. (3) o External level for Piling is <75dB LAeq in the Piling SSCNVMP with internal levels “<55dB LAeq”, but in the Slab Construction SSCNVMP external levels are 85 dB LAeq but internal levels remain <55dB LAeq (4) • Similarly, 14 East St o First Floor residencies are listed with external levels of 85-90 for concrete cutting/breaking in the Slab Construction and D wall SSCNVMPs but only 80- 85dB LAeq in the Piling SSCNVMP. (5) o The D wall SSCNVMP also suggest ‘all other activities than concrete cutting/ breaking will be <75dB LAeq but the Slab Excavation SSCNVMP suggests all other activities will be <85dB LAeq. If the individual SSCNVMPs for the various work methods are going to remain separate they need to be clear in scope to only consider the works within that package. (6)

further away from 1 Cross street than during other construction stages. (4) updated in SSCNVMPs (5) See response (3) above (6) Updated in SSCNVMPs to clarify “all other activities” refer only to activities within that package of works

The additional length and angle of the 2.4m high noise barrier should be clearly specified in the SSCNVMPs Specific Mitigation Measures.

See response 8. We are currently working with the contractor to determine what angle and length can be accommodated.

The SSCNVMPs notes under Section 4.2 (Vibration) "vibration monitoring at the closest building “foundations", this is only applicable for short-term vibration, long-term vibration should be included.

See response 5 and 23

The SSCNVMPs note under Section 5 (Communication and Consultation) "The complaints process is detailed in Section 7.2 of the CNV DWP ", Section 7.2 of the CNV DWP does not describe the process, this should be addressed.

Noted. See response 18

Once the long-term vibration contours are prepared, additional sensitive receivers will require an SSCVMP.

See response 5 and 23

The SSCVMP mitigation measures are largely restricted to suggestions for monitoring. Condition 38.59(e) notes: The methods and measures to mitigate vibration effects, including but not limited to, investigating alternative low-vibration construction methods, undertaking high-vibration works outside sensitive times, vibration barriers, building condition surveys, potential to

This is incorrect as SSCVMP mitigation measures include monitoring, selection of low vibration equipment/ methods, working outside of sensitive times and building condition surveys.

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Construction Noise and Vibration Delivery Work Plan offer temporary relocation of affected receivers, or other offers made by the Requiring Authority and agreed to by the affected receiver; Where the vibration levels are likely to be perceptible of high intensity last for some time, it should be made clear whether these mitigation measures are appropriate and if not, why not.

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Where the above isnâ€™t sufficient contingency measures include temporary relocation as per the CNV DWP.

Construction Noise and Vibration Delivery Work Plan Specific SSCNVMP Comments Properties Omitted Property

Comment

Response

Response ID

78 Pitt Street

The property is a church, which is classed as a sensitive receiver. A SSCNVMP should be prepared for it due to the proximity to proposed works

Due to the predicted noise/ vibration levels they do not require a SSCNVMP.

80 Pitt Street

The property is listed as a recording studio, which is classed as a notable receiver in Table 5-1. A SSCNVMP should be prepared for it as per Condition 39.2

Included in SSCNVMPS

19 Beresford Square

The property is a known event venue, closer to a Pubic Performance Theatre (notable receiver) in use than commercial. This should be confirmed and if it is the case, a SSCNVMP will be required as it would be a sensitive receiver

Included in SSCNVMPS

17 South Street

The property is subjected to levels greater than 70 dB LAeq but is not listed under either the SSCNVMPs or the communications plan. It should be included in the communications plan at a minimum.

Due to the predicted noise/ vibration levels they do not require a SSCNVMP.

3 East Street

The property was a church at one point and Google Maps indicates that it is a theatre company. This should be clarified, as it may be a sensitive receiver, in which case a SSCNVMP should be prepared.

A SSCNVMP is not required for this property

Properties Omitted from Concrete Slab and excavation Works SSCNVMPS Noise 63 Pitt Street

No SSCNMP prepared despite noise levels greater than 75dB LAeq predicted

65 Pitt Street Level 1 covers 63 Pitt Street â€“ updated in SSCNVMPs

12 Beresford Square

No SSCNMP prepared despite noise levels greater than 75dB LAeq predicted

Updated

18 East Street

No SSCNMP prepared despite noise levels greater than 75dB LAeq predicted

Updated

283 Karangahape Road

No SSCVMP prepared despite vibration levels of 3mm/s predicted

Updated

1 Cross Street

No SSCVMP prepared despite vibration levels of 3mm/s predicted

Updated

Vibration

Properties Omitted from D Wall SSCNVMPs Noise Page 69

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Construction Noise and Vibration Delivery Work Plan 63 Pitt Street

No SSCNMP prepared despite noise levels greater than 75 dB LAeq predicted

65 Pitt Street Level 1 covers 63 Pitt Street – updated in SSCNVMPs

No SSCVMP prepared despite vibration levels of 3mm/s predicted

Updated

External Noise Level dB LAeq: Noise levels likely to be 90+ dB at first floor and above.

Contours are correct and show levels as 80-85 dB at this property. No updates required.

Façade Build-up / Expected performance (dB Rw): A façade test is unlikely to increase significantly the current performance expected.

Façade information updated into the Site specifics.

Specific Mitigation Measures: Please provide additional measures to mitigate the impact E.g. Façade upgrade, mechanical ventilation, relocation.

Not updated as noise levels are correct.

Floor: No information provided for level 1 and above where the impact is more severe.

12 Beresford Square spans across Level 1 of 4-6 Beresford Square.

External Noise Level dB LAeq: The contours suggest a noise level 90+ dB for level 1 and above. Please update Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects.

Contours are correct and show levels as 80-85 dB at this property. No updates required.

Façade Build-up / Expected performance (dB Rw): An estimated attenuation with door open around 15dB Rw. seems unrealistic.5-10dB is a maximum likely reduction. Mitigation increased and updated to reflect the resulting levels which will be approaching 60-65 dB LAeq and may start to generate difficulty hearing conversation.

We have carried out monitoring at similar properties with the doors open. A 15 dB reduction has been measured with the doors open and is therefore realistic. No update required.

Specific Mitigation Measures: Mechanical ventilation is required if the façade performance relies on closed doors and windows.

Mechanical ventilation is not required at this property.

12 Beresford Square not included in the SSCNVMP Slab construction and excavation

Included into Site specific

External Noise Level dB LAeq: The contours suggest a noise level 90+ dB for level 1 and above. Please update Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects

Contours are correct and show levels as 80-85 dB at this property. No updates required.

Specific Mitigation Measures: Additional measures may be required.

Not updated as noise levels are correct.

Vibration 283 Karangahape Road

Beresford Square Works Noise 1 Beresford Square

4-6 Beresford Square

8-12 Beresford Square

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Construction Noise and Vibration Delivery Work Plan 16 – 18 Beresford Square

External Noise Level dB LAeq: The contours suggest a noise level 90+ dB at most exposed area of façade. Please update Expected Worst-Case Internal Noise Level (dB LAeq) with Mitigation/ Potential Effects.

Predictions and contours indicate 85-90dB as reflected in the SSCNVMPs.

Specific Mitigation Measures: Please provide additional measures to mitigate the impact E.g. Façade upgrade, mechanical ventilation.

Not updated as noise levels are correct.

Specific Mitigation Measures: Mechanical ventilation may be required for

Mechanical ventilation is not required for this property.

The project team are consulting with the owner of the coffee shop to determine additional mitigation measures.

additional measures to mitigate the impact are urgently required. External Noise Level dB LAeq: The contours suggest a noise level 90+ dB for first floor however the Slab Construction and Excavation SSCNVMP list 80- 85.

Contours are correct and show levels as 80-85 dB at this property. No updates required.

Façade Build-up / Expected performance (dB Rw): An estimated attenuation with door open around 20dB Rw for the ground floor. This seems unrealistic. Refer comments on 46 Beresford,

Refer to response 56, attenuation updated

Specific Mitigation Measures: Additional measures to mitigate the impact are be required. E.g. mechanical ventilation for both ground and first floor, façade upgrades to first floor where there is no benefit from the barrier.

Mechanical ventilation and façade upgrades are not required

Address: Mentioned on affected receivers but not included on table 4-1 of the SSCNVMP for D wall

SSCNVMP updated to include.

Façade Build-up / Expected performance (dB Rw): An estimated attenuation with windows closed around 30 dB Rw seems unrealistic considering that "40% of the facade have lightweight glass and no seals."

Updated attenuation level to 25 dB Rw.

Specific Mitigation Measures: Additional measures to mitigate the impact may be required. E.g. mechanical ventilation.

Mechanical ventilation is not required for this property.

283 Karangahape Road

Consultation update required.

Noted, relationship managed by Communications and Engagement Manager

243 Karangahape Road

Consultation update required.

Noted, relationship managed by Communications and Engagement Manager

59 Pitt Street

ground floor. 61 Pitt Street

65 Pitt Street

70-76 Pitt Street

Specific Mitigation Measures: Screening already included in the predictions,

Vibration

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Construction Noise and Vibration Delivery Work Plan 1 Beresford Square

4-6 Beresford Square

8-12 Beresford Square

16-18 Beresford Square

Page 72

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

Consistent with the DWP vibration monitoring has been recommended to clarify levels at the commencement of the activities. The mitigation is clearly identified as investigating alternative vibration emitting equipment to reduce impacts and comply with the applicable criteria (3mm/s for historical, 5mm/s for residential and 20mm/s for commercial).

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

Some buildings are within vibration emission radii where â€˜minor damageâ€™ has the potential to occur due vibration generating equipment. This is based on worst-case assumptions for ground type and vibration source characteristics. The purpose of vibration emission radii is to identify areas where management and monitoring of vibration levels may be required, as opposed to an accurate assessment of predicted vibration levels at receiver locations. This is the general approach taken on most construction projects involving equipment which generates significant vibration.

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

| Karangahape Station Main Works

Construction Noise and Vibration Delivery Work Plan There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

1 Cross St

Specific Mitigation Measures: Little benefit from screening, additional measures to mitigate the impact are required. E.g. mechanical ventilation.

No additional measures are required

14 East Street

External Noise Level dB LAeq: The contours suggest a noise level 90+ dB at most exposed area of façade however the SSCNVMP for Piling suggest the first floor will be exposed to 80-85dB LAeq

Piling contours show 80 – 85dB consist with the levels shown in SSCNVMP

Specific Mitigation Measures: Additional measures to mitigate the impact are required. E.g. mechanical ventilation, façade upgrade.

No additional measures are required

External Noise Level dB LAeq: The contours suggest a noise level 90+ dB at most exposed area of façade however the SSCNVMP for Piling suggest the first floor will be exposed to 80-85dB LAeq

Piling contours show 80 – 85dB consist with the levels shown in SSCNVMP

Specific Mitigation Measures: Little benefit from screening, additional measures to mitigate the impact are required. E.g. mechanical ventilation, façade upgrade.

No additional measures are required

External Noise Level dB LAeq: Levels likely to be higher as barrier will not effectively block the line of sight. The property is located at higher level than the work’s site. Please revise the Expected Worst-Case Internal Noise Level.

3D computer modelling which takes topography into consideration was used to predict noise levels stated within the SSCNVMPs. Levels are therefore considered appropriate.

Specific Mitigation Measures: Little benefit from screening, additional measures to mitigate the impact are required. E.g. mechanical ventilation, façade upgrade.

No additional measures are required

59 Pitt Street

61 Pitt Street

65 Pitt Street

Noise

16 East Street

18 East Street

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Construction Noise and Vibration Delivery Work Plan 9 Mercury Lane

238 Karangahape Road

External Noise Level dB LAeq: Noise levels likely to be above considering the reduced benefit of the barrier.

The barrier, height of buildings and topography of the site is all included in the 3D noise model. Modelled noise levels are therefore accurate.

Façade Build-up / Expected performance – We note immediate adjacency of the site is likely to result in ground borne noise issues. Use of the estimated Rw rating and internal predictions of 45-50 dB LAeq may prove to be an under- estimate of annoyance.

Ground borne noise has been considered

Façade Build-up / Expected performance (dB Rw): Attenuation provided by the façade on corner flat with two large glazing areas (openable single glazed) estimated around 30dB Rw looks optimistic.

Noted.

Specific Mitigation Measures: Additional measures E.g. façade upgrade may be required.

No additional measures are required

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

100

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

101

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

102

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

103

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

104

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

105

Specific Mitigation Measures: General comments, no Specific Mitigation Measures provided as per condition 38.5

See response 73

106

There is no structural or other evidence presented that the proposed exceedances of the project criteria are appropriate as per condition 38.4.

See response 74

107

Vibration 14 East Street

16 East Street

18 East Street

9 Mercury Lane

238 Karangahape Road

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Construction Noise and Vibration Delivery Work Plan

I3. Auckland Council Comments Auckland Council Peer Reviewer

Comment

Mr Daniel Winter

Karangahape Station Main Works CNV DWP The CNV DWP correctly sets out the conditions and assessment criteria. P.14 outlines the proposed hours and states that underground mining operating 24 hours a day, 7 days a week as required. Night time works between the hours of 10pm and 7am shall not exceed a Peak Particle Velocity (PPV) of 0.3mm/s when measured at any part of the floor of any Bedroom and a noise level of 35 dB LAeq(15min) when measured in any bedroom. Section 6.7 details the mitigation for the tunnel mining works. Please confirm where in the DWP or the four SSCNVMPs has the noise and vibration from night work been assessed? (1) It is noted that the SSCNVMP’s are both site and task specific. There are four SSCNVMP’s specific to each of the four main tasks being piling, diaphragm wall construction, slab construction & excavation, and temporary shaft excavation. We don’t see any major issues with this approach as long as the plans are specific to each site that requires a SSCNVMP. Essentially, this may mean that a single receiver that needs a SSCNVMP may have up to 4 SSCNVMP’s applicable to the site. (2) Karangahape Station Main Works SSCNVMP’s The following are general comments and our questions in relation to the SSCNVMP’s: 61 Pitt Street, Café. Predicted noise levels 80 - 85 dB at receiver. AECOM advise that there will be disruption to business, staff and customers. Do these levels of noise also present a safety issue to the outdoor diners and staff? (1) Additional screening close to the open area of the façade is required but may not be possible to install – when will this be determined? (2) The feedback from the café owner states that they have major concerns regarding noise. Johnny Feedback Café at 61 Pitt Street has levels of 80 – 85 dB LAeq predicted. For the early works the levels predicted were 90-95 dB LAeq. Please explain how the predicted noise levels have been reduced by 10dB. (3) 16-18 Beresford Square

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Response (1) Night time works are required for underground mining operations only. Modelling predictions for this activity was carried out and results contours for both noise and vibration are shown in Appendix C and D of the DWP. P.14 relates to the vibration amenity criteria and is only relevant when a complaint is made as per condition 34.3. (2) Noted regarding SSCNVMPs.

(1) Outdoor diners and staff will not be possible due to construction area extent and other construction issues such as dust. (2) The project team are currently working with the owner of the coffee shop to determine (3) Levels are around 10dB lower due to more permanent hoarding in place with an angled section on top to mitigate noisy equipment, which are situated slightly further away for main works from the Café’s façade.

Unable to get hold of business or building owner. Due to the nature of the establishment CRL communications and Engagement Manager to manage relationship.

Construction Noise and Vibration Delivery Work Plan

Auckland Council Peer Reviewer

Comment

Response

AECOM advise that consultation is required to determine if noisy works can be carried out at a time that least impacts them, and if additional mitigation on property is required. What additional mitigation is proposed and when will this be determined? 1 Beresford Square AECOM advise that building treatment may be required. This will depend upon the outcome of the façade tests. What façade tests are being referred to? What building treatment may be required and when will this be determined?

Façade test was carried out and site specifics have been updated to reflect this. No specific building treatment is required.

238 Karangahape Road and 22 Beresford Square AECOM advise that consultation for this building has identified some residents are shift workers and will be sleeping during the day. AECOM advise that mechanical ventilation is required in bedrooms that are located along the facade overlooking the Beresford Square work site, if the resident is a shift worker and needs to sleep during the day. How and when will the need for mechanical ventilation be determined?

To be determined by CRL Communications and Engagement Manager and installed before commencement of main works.

SSCNMP for Karangahape Station Main Works – Temporary Shaft Excavation. It is assumed that there is no specific vibration management plan as only noise is predicted to exceed. AECOM advise that an enclosure over high noise generating equipment, such as the concrete saw and hydro excavators, is unlikely to be practical on site but should be utilised where practicable. When will this be determined?

To be determined by the Construction Site Manager prior to the use of the equipment

SSCNVMP Noise Monitoring AECOM advise that noise monitoring will be conducted for 10-15 minutes at each measurement position. Should the monitoring period be 15 – 60 minutes as per NZS6803?

NZS6803 states “measurement sample should not exceed 1 hour and 15 mins will often be adequate”. Due to the highly variable nature of construction work we consider 1015min appropriate. Longer measurements can take place as required.

Vibration effects of some of the historical/vibration sensitive buildings Section 9.3 of the DWP states that If minor damage has occurred, such as cosmetic cracks, further mitigation will be applied if practicable. However, the activity can continue provided the measured vibration level is not exceeded further. Does this process also apply to heritage buildings? If minor damage occurs in heritage buildings it may not be suitable to continue work without consultation. (1) A lot of emphasis for vibration compliance has been placed on the initial testing. Will this be done on a lesser vibration sensitive building first?(2) Our concern with relying on initial testing is that it may be too late for a building highly sensitive to vibration if building damage occurs during testing. Please Page 76

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(1) Section 9.3 of DWP updated (2) Testing shall be done on less vibration sensitive building first (3) further details provided within section 9.3 of DWP

Construction Noise and Vibration Delivery Work Plan

Auckland Council Peer Reviewer

Comment provide more information in respect to the management of vibration exceedances at the historical/vibration sensitive buildings.(3)

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Response

Construction Noise and Vibration Delivery Work Plan

Appendix J: Equipment list for Construction Stages Construction Stage

Sound power level (dB LWA) 106

D-Wall X

Hydrofraise cutter (100T)

114

Rock-breaker/demo hammer

121

Bored pile rig

111

Vibratory Sheet Piling

116

Compressors

Concrete breaker

120

Concrete pump truck

103

Concrete saws, jack-hammers, hammer-drills

Equipment Bentonite/Polymer batch plant

Slab Construction

Open Excavation

Piling X

Temporary Shaft Excavation

X X X X

119

Concrete trucks

107

Crawler crane (110-130T)

105

Gantry crane (50T)

Mobile crane

106

Excavator (14-25T)

105

Excavator (3-8T)

Excavator (8-14T)

Forklift/telehandler

107

Loader/Dozer

114

Plate compactors

110

Roller compactor (3T)

101

Roller compactors (8T-14T)

107

Shotcrete mixer/Pump

103

Sweeper truck

104

Tipper trucks

107

Hydrovac trucks

104

Welding and cutting equipment

101

Road header (120T)

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Tunnel Construct ion

X X X

X X

Construction Noise and Vibration Delivery Work Plan

Appendix K: Noise and Vibration Measurements of Equipment To be updated following equipment measurements

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