Erosion and Sediment Control Management Plan

CRL Contract 3 Aotea Utility Relocation Works Erosion and Sediment Control Management Plan Addendum to: Albert Street Canopy Removal and Utility Relocation Erosion and Sediment Control Management Plan

CRL-AOT-RME-LKA-PLN-800001 CRL-SYW-CST-ATMWP-REQ-001249

Revision: 0 30 August 2019

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Erosion and Sediment Control Management Plan

Erosion and Sediment Control Management Plan CRL-AOT-RME-LKA-PLN-800001 CRL-SYW-CST-ATMWP-REQ-001249

This document is uncontrolled when printed. This document should be printed in colour

Revision Status Revision

Issue Date

Major Changes

Changed By

0

30 Aug 2019

Issue revision

E Chang

Approved By

Approval Status Name/Title Prepared by:

Ellen Chang Graduate Civil Engineer

Reviewed by:

Alisdair Simpson Senior Planner

Controlled by:

Duane Rollo Associate Director – Civil Infrastructure

Approved by:

Peter Roan Consents Lead – Link Alliance

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Signature

Date

30 August 2019

Erosion and Sediment Control Management Plan

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

Overview ........................................................................................................................... 4

1.2

Purpose and Scope ............................................................................................................ 4

1.3

Report Structure................................................................................................................ 5

2. Project and Site Description........................................................................5 2.1

General.............................................................................................................................. 5

2.2

Key Phases and Considerations ......................................................................................... 5

2.3

Site Layout......................................................................................................................... 6

2.4

Site Levels and Catchments ............................................................................................... 6

2.5

Site Overland Flow Paths................................................................................................... 7

2.6

Construction Related Works.............................................................................................. 7

2.6.1.

Canopy Removal / Cut-backs ...................................................................................... 7

2.6.2.

Utilities Relocation ..................................................................................................... 7

2.7

Site Management .............................................................................................................. 7

2.7.1.

Establishment............................................................................................................. 7

2.7.2.

Provision of Access ..................................................................................................... 8

2.7.3.

Storage and Site Activities .......................................................................................... 8

3. Erosion and Sediment Control ....................................................................9 3.1

Design Philosophy ............................................................................................................. 9

3.2

Design Principles ............................................................................................................... 9

3.3

Earthworks ........................................................................................................................ 9

3.4

Settlement Tank Sizing ...................................................................................................... 9

3.5

Erosion and Sediment Control Measures......................................................................... 10

3.6

Monitoring ...................................................................................................................... 10

4. Conclusion.................................................................................................10

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1. Introduction 1.1 Overview The City Rail Link (CRL) project comprises the construction, operation and maintenance of a 3.4km underground passenger railway, running between Britomart Station and the North Auckland Line (NAL) in the vicinity of Mt Eden Station. The CRL project includes the construction of twin underground rail tunnels and two underground stations up to 42 metres below ground. Due to the complex nature and substantial size of the project, multiple work packages are being progressed.

Utility relocation works are required prior to the main construction activities around Aotea Station.

The relocation of utilities between Victoria Street and Wellesley Street along the west side of Albert Street have been previously authorised as shown in Figure 1 below. The proposed works along Albert Street between Wyndham and Victoria Streets, with works extending into parts of Kingston Street and Victoria Street West, require further authorisation. These works are also shown in

Figure 1.

The works are to be broken down into three stages.

Figure 1 Area of proposed works authorised works Page 4

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1.2 Purpose and Scope This addendum updates the “Albert Street Canopy Removal and Utility Relocation Erosion and Sediment Control Management Plan” dated 10th May 2018, prepared by Aurecon New Zealand Ltd (Aurecon), henceforth referred to as the Approved ESCP. The Approved ESCP was required by CRL Designation 1 and the Aotea to North Auckland Line (A2N) Regional Land Use Resource Consent (R/LUC/2016/1890) and assessed all temporary works required for canopy removal and utilities diversion on the western side of Albert Street, from Wellesley Street to Victoria Street West. Additional works are required beyond the footprint of the Approved ESCP. This Addendum to the Erosion and Sediment Control Plan (ESCP) describes the principles and practices to be implemented to manage the adverse effects of sediment discharges from the proposed works which are beyond the scope of the existing authorisation. This addendum must be read in conjunction with the Approved ESCP. The additional Utility Relocation Works Site Area assessed under this addendum are described in section 2 below.

1.3 Report Structure No proposed change to this section in the Approved ESCP.

2. Project and Site Description 2.1 General The works involve the relocation of electrical, telecommunication, gas, potable water, stormwater and wastewater assets located in Albert Street, Kingston Street and Victoria Street West.

It is anticipated the works will take approximately 6 months to complete. Should complexity or additional services be encountered during the course of the works then this duration may be extended.

2.2 Key Phases and Considerations It is proposed to undertake the utility relocation works in 3 stages. For all stages the main element of the works is the formation of temporary trenches within footpaths to allow installation of new cable ducts and pipes for utility services. Once the ducts and pipes are installed the trenches will be backfilled and the footpath reinstated. The trenches will be 1m to 1.8m in width and around 1.5m to 3m deep.

Table 1 below describes the utility relocation works in more detail. The construction methodology and sequencing defined in Section 2.6 (page 6), of the Approved ESCP, are applicable to the works summarised in Table 1.

Table 1: Utility Relocation Works Summary Stage Stage 1

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Details of Works

Duration of Works (approximate)

Works will be located along the footpaths of Albert Street, between Wyndham Street and Victoria Street, extending into part of Kingston Street and Victoria Street, and on the northern Albert Street Slip lane.

Trenching along Victoria Street will be to a depth of 1.5m. All other trenches will be around 2.5m to 3m in depth.

The total length of trenches constructed will be approximately

3 months (September 2019 – November 2019)

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Erosion and Sediment Control Management Plan

Stage

Stage 2

Stage 3

Details of Works 340m resulting in approximately 1,350m³ of spoil being removed.

Works will be located along the footpath of Victoria Street, between Albert Street and Elliott Street (on the south side of the street) with trenching being around 1.5m in depth.

Between Victoria Street and Kingston Street, on the western side of Albert Street, trenching will be around 2.5m in depth.

A support site compound will be provided in part of the car park of Bledisloe House (details provided below) The total length of trenches constructed will be approximately 160m resulting in approximately 480m³ of spoil being removed.

Works will be located along the east side footpath of Albert Street (between the top of the ramp from Durham Street to the corner of Victoria Street) and the north side footpath of Victoria Street, between Albert Street and Elliott Street. Works will also be undertaken on the north side of Victoria Street, between Federal Street and Albert Street.

The total length of trenches constructed will be approximately 180m resulting in approximately 585m³ of spoil being removed.

Total length of 680m of trench resulting in approximately 2,415m³ of spoil being removed.

Duration of Works (approximate)

2 months (November 2019 – December 2019)

1.5 months (December 2019 / January 2020 – March 2020)

Approx. 6 months

2.3 Site Layout The location and extents of the construction site area are shown in Figure 2 and on drawings CRLAOT-ERO-000-SKE-0001 to 0004 included in Appendix C The construction site area is located in Auckland City Centre, within the road corridors of Albert Street, Victoria Street West and Kingston Street (as illustrated in Figure 2).

2.4 Site Levels and Catchments There is no change to the existing text in Section 2.4 of the Approved ESCP. The following text is added to the section to describe the Stage 1-3 utility relocation works: Victoria Street West is currently serviced by existing catchpits that are connected to an existing stormwater system and slopes downhill towards Queen Street.

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Erosion and Sediment Control Management Plan Kingston Street is also serviced by existing catchpits that connect to an existing stormwater system.

Figure 2: Overland Flow Paths in the Additional Works Area (Pink and Purple) and Initial Project Area (Green)

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2.5 Site Overland Flow Paths No proposed change to this section in the Approved ESCP.

2.6 Construction Related Works 2.6.1. Canopy Removal / Cut-backs No proposed change to this section in the Approved ESCP.

2.6.2. Utilities Relocation No proposed change to this section in the Approved ESCP.

2.7 Site Management 2.7.1. Establishment A temporary construction site compound (Figure 3) will be formed on the corner of Wellesley Street and Mayoral Drive in the part of the Bledisloe House car park. This compound will be within the project designation boundary and will be established approximately from October 2019 (Stage 2), until March 2020. This site compound will be occupied by storage containers, the objective of the site compound is to provide a site that can be used as a rest area for workforce staff, and house equipment and vehicles during the works. Temporary fencing will be used to delineate the site, along with Link Alliance branded mesh scrim. Vehicle access will be via the existing entrance off Mayoral Drive and through the gate as marked on the plan. Containers are likely to include machinery equipment and a total of up to 1,200L (6x 20L drums) of diesel in bunds.

Figure 3: Indicative layout of the Stage 2 Site Compound

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Erosion and Sediment Control Management Plan Detailed site layouts for each stage of the works have been provided in Appendix C of the CEMP addendum which also informs the location of the construction site compound.

With the exception of the above, no change is required to this section of the Approved ESCP.

2.7.2. Provision of Access An alternative access route will be provided for pedestrians during the construction works as detailed in the TAPDWP (Appendix E of the CEMP).

2.7.3. Storage and Site Activities Material removed from the site will predominantly consist of the following: · ·

Excavation of trench using hydro-excavation (~1,200m3); and Excavated materials during formation of shared utilities trench (~1,215m3)

The following text is provided from the Approved ESCP for clarity of the storage and site facilities to be provided: It is proposed that the excavated slurry material (using hydro-excavation) is immediately pumped and loaded into the hydro-excavation truck. Whilst material removed using excavators is also to be loaded directly into waiting trucks and disposed offsite as early as possible. Any spoil that should be stockpiled temporarily shall be stored on the up-slope side of the trench if possible or in a stabilised area which is away from the overland flow paths or within 1m of hazard areas such as kerb and channels, stormwater inlets, paved footpaths or driveways.

It is expected that approximately 20 linear metre of trench will be excavated per day, which is approximately 45m3 per day. This material will be placed directly into trucks and disposed offsite immediately. Provision has also been made to allow for storage of pipelines and ducts onsite.

The following site activities are envisaged while carrying out the construction related works mentioned in Section 2.6: · · · · · · · · · · ·

1

Earthworks from controlled disturbed areas; Disposal of excavated spoil off-site; Construction / demolition waste is likely to be stored in skips and removed on a regular basis as required; Concrete trucks are likely to be washed out, off-site; Hazardous construction materials (if any) are proposed to be stored in an isolated area designated for this purpose; Loading and unloading of construction materials from trucks; Storage for construction materials, such as geotextiles, formwork (timber and steel), petrol (including diesel); Waste storage and collection; Separation of excavated material from slurry generated using Hydrovac; Importation of backfill material; and Construction of groundwater and stormwater collection, treatment measures and connections to existing network.1

Approved ESCP Page 9 | Erosion and Sediment Control Management Plan

Erosion and Sediment Control Management Plan

3. Erosion and Sediment Control 3.1 Design Philosophy No proposed change to this section in the Approved ESCP.

3.2 Design Principles No proposed change to this section in the Approved ESCP.

3.3 Earthworks The approximate earthworks volume for the shared utilities trench installation and removal of abandoned utilities is 2415m3. All material excavated is expected to be loaded straight onto trucks.

However, if materials are to be stockpiled on site temporarily before removal offsite then a designated stockpile area as shown on the drawings shall be used. All volumes are estimated in-situ with no allowance for bulking.

3.4 Settlement Tank Sizing It is anticipated that the groundwater table at the site is below the bottom of the shared utilities trench and therefore, only a minimal groundwater ingress is expected into the trench. Refer to the Groundwater Monitoring and Contingency Plan, attached as Appendix L of the CEMP addendum report with regards to the potential for, and management of, groundwater at the worksite. Table 2 below provides a summary of inflows and settlement tank volume required for a worst-case scenario where up to half the total length of the trench is open.2 Settlement tanks have been sized for each stage of works described in Table 1. The summary of proposed settlement tank volume is listed in Table 2.

Table 2: Summary of Proposed Settlement Tank Volume for Each Construction Stage

Stages* Stage 1 Stage 2 Stage 3 Temporary Site Compound

Groundwater Treatment 3 Volume (m )

Open Excavation 2 Area (m )

0 0 0 0

510 240 270

Volume for Stormwater Management** 3 (m ) 10.2 4.8 5.4

1,357

27.2

Min. Settlement Tank 3 Volume*** (m ) 10.2 4.8 5.4 27.2

* The recommended tank volume applies to the total area of each stage. ** Open Excavation Area is based on a trench width of 1.5m, and the length of trench provided by the contractors. ***Volume for Stormwater Management applies to each stage and is not the cumulative value of all the stages listed in the row. **** Minimum settlement tank volume has been calculated using a conservative approach of 2% of the open excavation area Auckland Council’s TP108 guideline was used to estimate the stormwater flow entering the construction area. In accordance with Auckland Council’s Erosion and Sediment Control Guideline (GD05) a 10-year Average Recurrence Interval (ARI) stormwater flow with 24-hour duration and a

2

Approved ESCP

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Erosion and Sediment Control Management Plan climate change factor of 13.2% was used in the design of the settlement tanks. Thus, the 6hr 1 in 5year storm event, as prescribed by the ISCA Sustainability Rating System is complied with.

The management system is proposed to consist of two in-line settlement tanks. The first tank will be the discharge tank for the pumped discharge and the other will provide secondary settlement prior to discharge to the stormwater system. Given the extent of earthworks, flocculent treatment would not be required for the Project.

Settlement in both tanks will be monitored throughout the construction period and sediment will be regularly removed as required to ensure optimum management in maintained.

It is noted that if stormwater/groundwater flows exceed the maximum pump rate the open excavations will be inundated. As no groundwater in-flows are expected, and surface flows from upstream catchments have been diverted around the site, the risk of dirty water from the excavations overtopping the trench and discharging uncontrolled is considered low. It will be the responsibility of the contractor to appropriately manage the construction site during storm events.3

3.5 Erosion and Sediment Control Measures No proposed change to this section in the Approved ESCP.

3.6 Monitoring No proposed change to this section in the Approved ESCP.

4. Conclusion Staging and progressive stabilisation of the area will reduce the potential for erosion and sediment discharges from the utility relocation works.

This ESCP provides a framework for identifying and implementing erosion and sediment yields during construction works. A design philosophy and a number of design principles have been provided, along with specific control methodologies for the Project works.

The proposed sediment and erosion controls have been developed in such a way that they align with the proposed construction methodology. All controls shall be fully established before any physical works are undertaken and monitored in accordance with the Auckland Council GD05 (June 2016).4 Based on the proposed erosion and sediment controls detailed within this report, the effects of sediment discharges resulting from the utility relocation works will be managed in accordance with the best practicable option.

3

Approved ESCP Approved ESCP Page 11 | Erosion and Sediment Control Management Plan 4

Erosion and Sediment Control Management Plan

List of Appendices Appendix A: Glossary of Abbreviations .................................................................. 13

Appendix B: Glossary of Terminology..................................................................... 14 Appendix C: Drawings............................................................................................ 15 Appendix D: Certified ESCP .................................................................................... 16

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Appendix A:

Glossary of Abbreviations

No proposed change to this section of the Approved ESCP.

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Appendix B:

Glossary of Terminology

No proposed change to this section of the Approved ESCP.

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Erosion and Sediment Control Management Plan

Appendix C:

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Drawings

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FOR INFORMATION APPROVED

PROJECT:

CITY RAIL LINK

ZONE:

AOTEA STATION

D. ROLLO

TITLE:

P. KOSTANICH FOR INFORMATION

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CREATOR ID : CRL_AOT_390_00_LKA_SKE_000001

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED

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4. ALL AREAS ARE INDICATIVE ONLY.

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.

CLIENT:

0

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION 69 WITH AOTEA STATION STAGE 1 TO 3 UTILITY RELOCATION WORKS ESCP AND CEMP.

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1. FOR EROSION AND SEDIMENT CONTROL MEASURE STANDARD DETAILS REFER TO GUIDELINE DOCUMENT 005.67

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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.

EROSION AND SEDIMENT AOTEA STATION - STAGE 1 SHEET 1 OF 2 PROJECT

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18.12 m

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FO

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ALBERT STREET

T

SW

POTABLE WATER

T

T

W

T

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SW

225Ø UNKNOWN

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VE

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T

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106

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VE

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SW

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T

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SETTLEMENT TANK

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CONTINUATION - REFER TO SHEET 1

49

SW SW

SW

NOTES: 66

1. FOR EROSION AND SEDIMENT CONTROL MEASURE STANDARD DETAILS REFER TO GUIDELINE DOCUMENT 005.

SW

100 88

SW SW

86

SW

2. STABILISED ENTRANCEWAYS ARE REQUIRED AT ANY ENTRY OR EXIT POINT OF A CONSTRUCTION SITE. SW SW

68

SW

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH AOTEA STATION STAGE 1 TO 3 UTILITY RELOCATION WORKS ESCP AND CEMP.

2.5

0

5

10m

4. ALL AREAS ARE INDICATIVE ONLY.

SW SW

Last saved by: PERRY.KOSTANICH(2019-08-22) Last Plotted: 2019-08-22 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-AOT-RME-LKA-SKE-000002

EXISTING CRL DESIGNATION BOUNDARIES

T

SWSW

PEDESTRIAN ACCESS ROUTES

S

T

WORK15-31 ZONE

C2.2 UTILITY WORKS ZONE (PREVIOUSLY CONSENTED)

SW

ISO A1 594mm x 841mm

LEGEND:

SCALE 1:250 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 : CRL_AOT_390_00_LKA_SKE_000002

0

10

20

30

40

50

60

70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

CITY RAIL LINK

ZONE:

AOTEA STATION

E CHANG DRAWN

D. ROLLO

TITLE:

P. KOSTANICH A REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

FOR INFORMATION DESCRIPTION

E CHANG

22/08/2019

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

22/08/2019

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.

EROSION AND SEDIMENT AOTEA STATION - STAGE 1 SHEET 2 OF 2 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - AOT - RME - LKA - SKE - 000002

REVISION

A

SW

SW

SW SW

SW SW

SW SW

SW

SW

W VG

W VG W VG W VG

W VG W

SW

W

VG W W VE

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SW

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SW

SW

SW W VG S T VE

SW

SW W VG S T VE

SW W S T VE

SW

VG

SW SW T VE

S S

S

SW

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18.65 m W S

VE

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VG ST

S S

VE FO

S W VG T VE

SW

S

SW

SW SW VG T VE

S S

SW SW VG T VE

SW S

SW SW VG T

SW

NOTES:

S

1. FOR EROSION AND SEDIMENT CONTROL MEASURE STANDARD DETAILS REFER TO GUIDELINE DOCUMENT 005.

T

VE

2. STABILISED ENTRANCEWAYS ARE REQUIRED AT ANY ENTRY OR EXIT POINT OF A CONSTRUCTION SITE. VE

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52

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH AOTEA STATION STAGE 1 TO 3 UTILITY RELOCATION WORKS ESCP AND CEMP.

T SW

SCALE 1:250

4. ALL AREAS ARE INDICATIVE ONLY.

16

SW

CONTINUATION - REFER TO SHEET 2

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103 99

66

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 : CRL_AOT_390_00_LKA_SKE_000003

10

20

30

40

50

60

70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

CITY RAIL LINK

ZONE:

AOTEA STATION

E CHANG DRAWN

D. ROLLO

TITLE:

P. KOSTANICH A REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

FOR INFORMATION DESCRIPTION

22/08/2019

E CHANG

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

22/08/2019

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.

EROSION AND SEDIMENT AOTEA STATION - STAGE 2 SHEET 1 OF 2 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - AOT - RME - LKA - SKE - 000003

REVISION

A

VE S SW

ALBERT STREET

T

SW

SW

SW

T

SW

CITYLINK

SW

S

SW S

SW S

T

CONTINUATION - REFER TO SHEET 1

CL

T

SW

VG

T VG

T VG

10m

SW

T VG

T VG

T

5

SW

VG

0

225Ø UNKNOWN

SW

T

71 T

2.5

CHORUS

T T

SW

SW

6

69

VODAFONE

C

112

106

SW

VG

T

67

T

104

SW

VG

4

VECTOR COMMS FO VECTOR ELEC

SW

T

57-59

STORMWATER

SW

VECTOR GAS

SW

VG

51-53

WASTEWATER

SW

T

89

S

SW

VG

VG

VG

VG

VG

SW

VG

85 81

STORMWATER

FO

VG

SETTLEMENT TANK TO DISCHARGE THROUGH A PIPE TO AN EXISTING CATCHPIT

EXISTING

SW

POTABLE WATER

VG VE

VG

PROPOSED

VG VE

Last saved by: PERRY.KOSTANICH(2019-08-22) Last Plotted: 2019-08-22 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-AOT-RME-LKA-SKE-000003

VE

102

SILT SOCK

UTILITIES LEGEND: 40

VE

86

>

SW

VE

47

DIRTY WATER DIVERSION SW INLET PROTECTION SETTLEMENT TANK

VE

76-84

0

S

43

CLEAN WATER DIVERSION BUND

S

T

> >

SW

SW

SW

STABILISED ENTRANCE

VE

37-41

ESCP LEGEND:

VE

SW

SW

EXISTING CRL DESIGNATION BOUNDARIES

SW

N

PEDESTRIAN ACCESS ROUTES

20

SW

TN

27-35

SW

SW

SW

SW SW

WORK ZONE C2.2 UTILITY WORKS ZONE (PREVIOUSLY CONSENTED)

SW

ISO A1 594mm x 841mm

LEGEND:

SW FO

ISO A1 594mm x 841mm

SW

SW

SW FO

SW

SW

SW

N

SW SW SW S

S

SWS VG

VG

SW

42

SW

T

STABILISED ENTRANCE FOR SITE COMPOUND

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T

FO

VG

SW

SW

VG

T

SW

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T

FO

SW

WELLESLEY STREET WEST

S

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S

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SW

SW FO SW VG

S

S

VG

SW

SW

FO

S

S

S

TN

FO

SW

SW

SW

SW

SW

SW

SW

CONTINUATION - REFER TO SHEET 1

120-130

1/2-4/2

4-10 8

4

VE

SW SW

VG VE

SW

SW

SW

T

SW VG VE

SW

SW VG VE

SW T

VE S FO

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SW VG VE

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WORK ZONE

1

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SW SW

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LEGEND: SW VG VE FO

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TT

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FO

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C2.2 UTILITY WORKS ZONE 13 (PREVIOUSLY CONSENTED)

11

T

T

T

T

T

T

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VE SSW

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PEDESTRIAN ACCESS ROUTES SW VG VE FO

EXISTING CRL DESIGNATION BOUNDARIES STABILISED ENTRANCE

> >

SW VG VE

SW VG VE

ESCP LEGEND: 44

CLEAN WATER DIVERSION BUND DIRTY WATER DIVERSION

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SW INLET PROTECTION SETTLEMENT TANK

SW VG VE

>

SILT SOCK

UTILITIES LEGEND:

VG VE

PROPOSED

VG

SW

SW SW

VG

SW SW

VG

SW SW

VG

SW SW

VG

SW SW

WELLESLEY STREET WEST

VG

SW SW

FO

FO

SW

FO

VG

SW

FO

FO

SW

FO

SW

SW

T

FO

SW

SW

SW

FO

SW

SW

SW

SW

FO

SW

SW

SW

EXISTING

SW

STORMWATER

S

WASTEWATER

SW

STORMWATER

POTABLE WATER VECTOR GAS

SW

SW SW

FO

MAYORAL DRIVE

SW

SW

FO

SW

SW

SW

SW

VE

VE

VE

VE

VE

VE

VESW

X

SW

VESW

SW

SW VE

SW SW VE

125

SW

129-135 103

SW

SW

SETTLEMENT TANK TO DISCHARGE TO AN EXISTING SW MANHOLE. THE MANHOLE NEEDS TO BE PROTECTED FOR PUBLIC SAFETY.

SW

T T

SW

SW

VG

T

SW

SW VG

T FO

VE

VG

37 138

ALBERT STREET

Last saved by: PERRY.KOSTANICH(2019-08-22) Last Plotted: 2019-08-22 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-AOT-RME-LKA-SKE-000004

SW

SW

SW

SW

SW

30

SW

SW

SW

SETTLEMENT TANK TO SERVICE SITE COMPOUND. IT WILL DISCHARGE TO AN EXISITNG SW MANHOLE ALONG THE PEDESTRIAN WALKWAY. THE MANHOLE NEEDS TO BE PROTECTED FOR PUBLIC SAFETY.

SW

15-31

FO

FO

T

VODAFONE

C

CHORUS

CL

CITYLINK

SW

SW SW

49

100

REVISIONS

CREATOR ID : CRL_AOT_390_00_LKA_SKE_000004

20

30

40

50

60

70

80

90

100mm

SW

SCALE

SIZE

AS SHOWN

A1

DESIGNED

FOR INFORMATION APPROVED

PROJECT:

CITY RAIL LINK

ZONE:

AOTEA STATION

E CHANG DRAWN

D. ROLLO

TITLE:

P. KOSTANICH A REV

COMPANY NUMBER : 6267870

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH AOTEA STATION STAGE 1 TO 3 UTILITY RELOCATION WORKS ESCP AND CEMP. 4. ALL AREAS ARE INDICATIVE ONLY.

SW SW

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.

FOR INFORMATION DESCRIPTION

1. FOR EROSION AND SEDIMENT CONTROL MEASURE STANDARD DETAILS REFER TO198 GUIDELINE 190 202 DOCUMENT 005.

2. STABILISED ENTRANCEWAYS ARE REQUIRED AT ANY ENTRY OR EXIT POINT OF A CONSTRUCTION SITE.

SW

10m

CLIENT:

10

182

SW

SW SW

5

SW SW

0

SCALE 1:250

0

58

88

86

2.5

NOTES:

SW

SW SW

FO

SW

SW SW

VECTOR COMMS FO VECTOR ELEC

SW

SW SW

FO

56

22/08/2019

E CHANG

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

22/08/2019

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.

EROSION AND SEDIMENT AOTEA STATION - STAGE 2 SHEET 2 OF 2 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - AOT - RME - LKA - SKE - 000004

REVISION

A

SW

SW

SW

SW

SW

SW

SW

SW SW

SW

W VG W VG

SW

SW

W W

X SW

SWSW

SW

SW

SW

18.65 m W S

T

VE

SW

SW

SW T

VE W VG

W VG VE

VGW

S

VG ST

VE

SW W

SW

SW

W VG T VE

SW

VE

44

SW W VG S T VE

SW SW

SW W VG S T VE S W VG T VE

SW SW VG T VE

SW SW VG T VE

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1. FOR EROSION AND SEDIMENT CONTROL MEASURE STANDARD DETAILS REFER TO GUIDELINE DOCUMENT 005.

2. STABILISED ENTRANCEWAYS ARE REQUIRED AT ANY ENTRY OR EXIT POINT OF A CONSTRUCTION SITE.

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16

4. ALL AREAS ARE INDICATIVE ONLY. 66

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 : CRL_AOT_390_00_LKA_SKE_000005

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E CHANG DRAWN

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TITLE:

P. KOSTANICH A REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

FOR INFORMATION DESCRIPTION

22/08/2019

E CHANG

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

22/08/2019

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.

EROSION AND SEDIMENT AOTEA STATION - STAGE 3 SHEET 1 OF 2 PROJECT

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2. STABILISED ENTRANCEWAYS ARE REQUIRED AT ANY ENTRY OR EXIT POINT OF A CONSTRUCTION SITE. 3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH AOTEA STATION STAGE 1 TO 3 UTILITY RELOCATION WORKS ESCP AND CEMP. SW

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4. ALL AREAS ARE INDICATIVE ONLY. 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 : CRL_AOT_390_00_LKA_SKE_000006

0

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FOR INFORMATION APPROVED

PROJECT:

CITY RAIL LINK

ZONE:

AOTEA STATION

E CHANG DRAWN

D. ROLLO

TITLE:

P. KOSTANICH A REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

FOR INFORMATION DESCRIPTION

22/08/2019

E CHANG

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

22/08/2019

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.

EROSION AND SEDIMENT AOTEA STATION - STAGE 3 SHEET 2 OF 2 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - AOT - RME - LKA - SKE - 000006

REVISION

A

Erosion and Sediment Control Management Plan

Appendix D:

Page 16

Certified ESCP

| Erosion and Sediment Control Management Plan

City Rail Link In association with:

DETAILED DESIGN Albert Street Canopy Removal and Utility Relocation Erosion and Sediment Control Management Plan

Document Ref: CRL-PAT-RME-000-PLN-0101 Revision: 4 10th May 2018

INTERNAL WORKING DOCUMENT COMMERCIAL IN CONFIDENCE

Contents 1

2

3

4

Introduction

1

1.1

Overview

1

1.2

Purpose

2

1.3

Scope

2

1.4

Report Structure

2

Project and Site Description

3

2.1

General

3

2.2

Key Phases and Considerations

3

2.3

Site Layout

4

2.4

Site Levels and Catchment

4

2.5

Site Overland Flow Paths

5

2.6

Construction Related Works

6

2.7

Site Management

7

Erosion and Sediment Control

9

3.1

Design Philosophy

9

3.2

Design Principles

9

3.3

Earthworks

9

3.4

Settlement Tank Sizing

10

3.5

Erosion and Sediment Control Measures

10

3.6

Monitoring

12

Conclusion

14

Appendices Appendix A Glossary of Abbreviations Appendix B Glossary of Terminology Appendix C Drawings

Figures Figure 1 – Location and extent of the Project Figure 2 – CSA overland flow paths and upstream catchment (retrieved from Auckland Council GIS 03/10/17)

Aurecon | Mott MacDonald | Jasmax | Grimshaw I ARUP

1 5

i CRL-PAT-RME-000-PLN-0101 Project 239933 | 10 May 2018 | Revision 4

Tables Table 1 - Appropriate areas and earthworks volumes for C2.2 Utilities relocation 9 Table 2 - Summary of proposed shared utilities trench groundwater inflow rates and rainfall volumes 10

Aurecon | Mott MacDonald | Jasmax | Grimshaw I ARUP

ii CRL-PAT-RME-000-PLN-0101 Project 239933 | 10 May 2018 | Revision 4

1

Introduction

1.1

Overview

City Rail Link Limited (CRLL) is the requiring authority responsible for the construction of the City Rail Link (CRL) in accordance with the conditions of the CRL Designation 1714. The works associated with the Albert Street Canopy Removal (C2.1) and Utility Relocation (C2.2), which is referred as the Project in this report, are authorised by CRL Designation 1714 and the CRL Aotea to North Auckland Line regional resource consents1 (A2N resource consents). The main purpose of the Project is to streamline a critical path activity for the future construction of Aotea Station.

This report outlines the Erosion and Sediment Control Management Plan (ESCP) for the Project, taking into consideration the conditions of the A2N resource consents. The works are related to the removal or cut-back of 4 No. of building entrance canopies and the relocation of existing utilities along the western edge of Albert Street. The Project will be executed along approximately 220m of road frontage, along and directly in-line with an existing pedestrian walkway and will extend into the Victoria Street and Wellesley Street intersections with Albert Street, in order to connect the existing utilities with the new re-aligned utilities. Refer Figure 1 below.

Figure 1 – Location and extent of the Project

This ESCP has been developed by Aurecon New Zealand Limited (Aurecon) to describe the proposed erosion and sediment control measures and practices to minimise the effects of construction activities of the Project on the receiving environments.

The ESCP provides a methodology and management approach which confirms that the Project can be implemented in a controlled manner, ensuring that impacts on the environment from sediment and erosion are less than minor. Requirements associated with making any amendments to this ESCP (if required) will be detailed in the Construction Environmental Management Plan (CEMP).

The ESCP is an appendix to the CEMP which has been prepared as required by A2N resource consent conditions 53-58. We note that the content of this report has been written with reference to the ongoing detailed design.

1 Auckland Council reference R/LUC/2016/1890, R/REG/2016/1892, R/REG/2016/1895, R/REG/2016/1896, REG/2016/1897, R/REG/2016/1898, R/REG/2016/1899, R/REG/2016/1900 and R/REG/2016/2038

Aurecon | Mott MacDonald | Jasmax | Grimshaw I ARUP

1 CRL-PAT-RME-000-PLN-0101 Project 239933 | 10 May 2018 | Revision 4

1.2

Purpose

The purpose of this ESCP is to fulfil the A2N resource consent condition compliance requirements for mitigation and management of erosion and sedimentation related effects. It outlines the control measures to be implemented within the construction support area (CSA) by the contractor to manage erosion and sediment in line with the relevant legislative requirements as stated in the CRL designation condition #21.1 (b) and (c).

This ESCP shall be read in conjunction with the Aotea Station Utilities Management Plan CRL-AOTUTI-000-PLN-0010 (particularly Section 4 and Appendix I: Preliminary design drawings) and the Construction Environmental Management Plan (CRL-PAT-RME-000-RPT-0100). These two documents define the design and construction methodology for the Project.

1.3

Scope

This ESCP provides a summary of the proposed erosion and sediment control measures relevant to the Albert Street Canopy Removal and Utility Relocation. It relates to all temporary works required for the following (refer Figure 1): Removal or cut-backs of 4 No. of building canopies attached to the existing buildings on the western side of Albert Street; Construction of new shared utilities trench along the western footpath of Albert Street; Connections to existing utility networks at the Victoria and Wellesley Street intersections with Albert Street; Removal of existing utilities made redundant by the installation and connection of the new utilities.

The implementation and monitoring of controls discussed within this ESCP are in accordance with Auckland Council (AC) Guideline Document 2016/005 “Erosion and Sediment Control Guide for Land Disturbing Activities in the Auckland Region.�

Technical reporting for groundwater, contaminated land, water quality, noise pollution and air quality matters are addressed by separately in the Construction and Environmental Management Plan.

1.4

Report Structure

The structure of the ESCP is designed to provide a logical and practical framework for the management of erosion and sediment control measures as it relates to the Project. The ESCP has the following key sections: Section 2 provides the Project general description, key phases and considerations, a detailed description of the site (also referred as CSA) and the required construction related works; Section 3 provides a detailed description of the erosion and sediment control measures proposed for the CSA; All drawings referenced throughout the report are attached in Appendix C of this report.

Aurecon | Mott MacDonald | Jasmax | Grimshaw I ARUP

2 CRL-PAT-RME-000-PLN-0101 Project 239933 | 10 May 2018 | Revision 4

2

Project and Site Description

2.1

General

The Project works involve the removal of canopies attached to existing buildings on the western side of Albert Street between Victoria Street and Wellesley Street as well as relocation of existing utilities under the western footpath into an isolated, shared utilities trench located between the property boundary line and the western edge of the future station pile wall. It includes disconnection of utilities from existing network and connection to the new network installed within the shared utilities trench.

The following 4 No. of building canopies need to be removed prior to the construction of shared utilities trench: 99 Albert Street (AA Building) 105 Albert Street (Manhattan Apartments) 109-125 Albert Street (Sky City Building) 135 Albert Street (Auckland Council Building) The realigned utilities within the shared utilities trench include: Stormwater pipeline; Wastewater pipeline; Potable water supply main; Ducts for high voltage (HV) and low voltage (LV) cables; Ducts for telecommunication cables.

The width of the shared utilities trench varies between 1.15m and 1.85m, with total length of approximately 220m. Due to the depth of the existing stormwater and wastewater lines, this trench needs to be 4.0m deep. Hydrovac is used to expose ground up to 1.5m depth to ensure the existing utilities or connections are identified, isolated and protected prior to excavating another 2.5m deep using an excavator.

The location of the shared utilities trench is selected based on the level of accuracy of the information gathered for the existing underground utilities. Therefore, if any clash is identified on site, the relevant NUOs and the Engineer are to be notified for further directions.

The detailed design for Contract C2.2 utilities relocation is still to be completed in coordination with the relevant NUOs.

2.2

Key Phases and Considerations

The following are some key phases to be considered for the Project: In order for Contract C2.2’s utilities relocation works to commence, the existing utilities, particularly Chorus cables need to be diverted away and via Federal Street as these utilities are currently along the proposed shared utilities trench location. These diversion works are currently being selfperformed by the NUOs; Federal Street Diversion of utilities including civil works (ducts and pits), hauling of cables through new ducts and cutovers from the existing network to the new network are to be completed prior to commencement ofC2.2 works;

Aurecon | Mott MacDonald | Jasmax | Grimshaw I ARUP

3 CRL-PAT-RME-000-PLN-0101 Project 239933 | 10 May 2018 | Revision 4

Detailed design for C2.2 to be completed in coordination with the relevant NUOs; C2.1 and C2.2 Construction works are anticipated to take approximately 15 months based on the Contractor and CRLL’s best knowledge of underground services. Should additional complexity or additional underground services be encountered during the course of the Project, then the Project duration will extend beyond 15 months; , Works are expected to commence in January 2018; and This Project is viewed by CRLL as enabling works, which first need to be completed before work on Aotea Station (in this area) can commence.

2.3

Site Layout

The location and extents of the CSA are shown in Figure 1 and on drawing CRL-AOT-UTI-000-DRG0101 included in Appendix C. The CSA, approximately 2250m2, is occupied by the entire western footpath and the carriageway up to the centreline of Albert Street, between Victoria Street and Wellesley Street. As a result, this will require lane(s) closure and provision of an alternative pedestrian access route. Temporary vehicle access to properties will also need to be established during construction. Refer to Transport, Access and Parking Delivery Work Plan attached as Appendix E of the CEMP report for details.

2.4

Site Levels and Catchment

The CSA is located on relatively flat ground which falls from approximately RL 27.0m at the southwest corner (from Wellesley St intersection) and RL 25.0m at the northwest corner (from Victoria St intersection) towards a low point on the western kerbline outside property 99 Albert Street (AA building) at approximately RL 24.0m where a double catchpit exists. The CSA has an upstream catchment of approximately 1.452ha (refer Figure 2). Approximately 85% of the runoff from this catchment is contained within the existing buildings and conveyed directly into the local stormwater network. The remaining upstream catchment from Wellesley Street and Victoria Street is contained within the road corridor and conveyed to inlets at either side of the CSA. Therefore, flows from this external catchment are not shown to enter and will continue to be excluded from the site during construction. Surface runoff from the CSA itself drains to the existing catchpits located on the western site of Albert Street, a standard catchpit is located outside 109-125 Albert Street (Sky City Building) and a double catchpit is located outside 99 Albert Street (AA building).

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Figure 2 – CSA overland flow paths and upstream catchment (retrieved from Auckland Council GIS 03/10/17)

2.5

Site Overland Flow Paths

Auckland Council GIS shows the location of the CSA conflicts with the Overland Flow Path (OFP) from the upstream catchments and is predicted to be inundated by surface water as a result of 1 in 100 year rainfall event (refer Figure 2). However, the upstream catchments are managed and conveyed within the local stormwater network, resulting in minimal surface runoff entering the CSA during the majority of storm events. In addition, the topography of Wellesley Street and Victoria Street is in such

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a way that the surface runoff from these streets will be generally directed further down the intersection towards Queen Street.

2.6

Construction Related Works

2.6.1

Canopy Removal / Cut-backs

The canopy removal or cut back works, specifically the extent of removal, is different for each building, however there are common methodologies that will apply to each stage, and similar tools and techniques will be used throughout, as mentioned below: Terminate any and all power supplies to the canopy and relocate any and all plant, equipment and signage currently located on those parts of the canopy to be removed; Erect scaffold, dismantle and remove building canopy or cut-back to agreed position; − Remove glazing/panel/roof sections, − Remove roof/secondary supports between main support beams, and − Remove primary support beams.

Install weatherproof flashing to building façade where required and make good.

2.6.2

Utilities Relocation

Following canopy removals or cut-backs, below ground works will commence for the installation of the utilities within the shared utilities trench as listed: The construction of the shared utilities trench is proposed to commence from north (Victoria Street/Albert Street intersection) and progressing towards the south (Wellesley Street/Albert Street intersection); Mark out proposed footprint of trench selection. Identify and locate existing utilities on surface; Saw cut and remove existing footpath pavement (pavement is primarily asphalt surfacing, with isolated granite tile inserts); Expose up to 1.5m depth using hydro-excavation and locate all existing utilities within the western footpath as well as existing building foundations along boundary to confirm extent and/or clash with proposed shared utilities trench; Locate, protect and isolate all existing utilities on site for further excavations; Excavate trench to maximum 4m depth using excavator. Care to be taken for working around struts and utilities. Provide temporary strutting and shoring to trench sides with timber or trench shield as appropriate; Install new stormwater and wastewater pipelines and manholes starting at downstream end and working south. Cut over building connections to newly installed system once downstream is installed and connected to existing network; Install polystyrene wall adjacent to eastern side of trench (western side of future station pile to act as a guide wall for future piling); Backfill approximately half trench depth and install a new potable water supply main closer to the eastern side of the shared utilities trench; Lay new ducts for power and telecommunication cables, place and compact trench backfill where possible. Excavation for draw pits and joint bays and connection points to be left open. This section of the work includes power and communication outages, which will be planned and coordinated with building occupants, to minimise disruption;

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NUOs to haul new cables through the new ducts and cutover existing network to new network; Place bedding material and compact remaining sections of ducts; Remove abandoned utilities that are within the western footpath; and Backfill and reinstate footpath to match existing levels and surface.

2.7

Site Management

2.7.1

Establishment

Preparation of the site will involve the following activities: Temporary traffic management (refer Appendix E of the CEMP report for details); Erosion and sediment control measures as detailed in Section 3 and on the drawings attached in Appendix C of this report; Installation of temporary fences and hoardings along site boundary and designation of entry and exit locations; Establishment of barriers and hot-mix diversion bunds along the boundary of the CSA; Establishment of site amenities, offices and storage areas; and Location and protection of existing utilities.

2.7.2

Provision of Access

An alternative access route for pedestrians will be provided either through containers or via the undercroft of the buildings. Existing vehicle access to properties 105 Albert Street (Manhattan Apartment) and 109-125 Albert Street (Sky City Building) will be maintained and controlled by Traffic Controllers (TCs).

2.7.3

Storage and Site Activities

Material removed from the site will predominantly consist of the following: Excavation of trench using hydro-excavation (~540m3); and Excavated materials during formation of shared utilities trench (~900m3).

It is proposed that the excavated slurry material (using hydro-excavation) is immediately pumped and loaded into the hydro-excavation truck. Whilst material removed using excavators is also to be loaded directly into waiting trucks and disposed offsite as early as possible. Any spoil that should be stockpiled temporarily shall be stored on the up-slope side of the trench if possible or in a stabilised area which is away from the overland flow paths or within 1m of hazard areas such as kerb and channels, stormwater inlets, paved footpaths or driveways.

It is expected that about 7 linear metre of trench will be excavated per day, which is approximately 20m3 per day. About 90m2 of temporary spoil storage area is proposed at the CSA as shown on the drawings. Any such material stored on site will be covered by geotextile fabric during inclement weather to reduce sediment runoff and dust migration. Provision has also been made to allow for storage of pipelines and ducts onsite.

The following site activities are envisaged while carrying out the construction related works mentioned in Section 2.6: Earthworks from controlled disturbed areas;

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Disposal of excavated spoil off-site; Construction / demolition waste is likely to be stored in skips and removed on a regular basis as required; Concrete trucks are likely to be washed out, off-site; Hazardous construction materials (if any) are proposed to be stored in an isolated area designated for this purpose; Loading and unloading of construction materials from trucks; Storage for construction materials, such as geotextiles, formwork (timber and steel), petrol (including diesel); Waste storage and collection; Separation of excavated material from slurry generated using Hydrovac; Importation of backfill material; and Construction of groundwater and stormwater collection, treatment measures and connections to existing network.

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3

Erosion and Sediment Control

3.1

Design Philosophy

The construction environment of the Project related works is a highly developed urban environment predominantly formed of hard impervious paved areas and buildings. Given the nature of the surrounding environment and the proposed direct disposal of the spoil material offsite, sediment generative activities shall be largely contained within the excavations themselves. In addition, maintaining controls within the excavation will result in minimal effect on the surface and the surrounding built environment.

3.2

Design Principles

Erosion and sediment control measures will be established to minimise the extent of soil erosion and sediment yield from the CSA during construction. It will be implemented and monitored in accordance with AC “Erosion and sediment control guide for land disturbing activities” in the Auckland Region, known as GD05. This GD05 is an update of AC Technical Publication 90 (TP90) “Erosion and sediment control guidelines for land disturbing activities” in the Auckland Region and supersedes that guideline.

All silt control measures shall be fully established throughout the CSA before physical works proceed in that area. The removal of the silt control devices and the reinstatement of the surrounding ground upon completion of the works shall form part of the civil component of the Project works and will be managed by the contractor.

3.3

Earthworks

The approximate earthworks volumes for the shared utilities trench installation and removal of abandoned utilities are summarised in Table 1. All material excavated are expected to be loaded straight onto trucks. However, if materials are to be stockpiled on site temporarily before removal offsite then designated stockpile area as shown on the drawings shall be used. All volumes are estimated in-situ with no allowance for bulking.

Table 1 - Appropriate areas and earthworks volumes for C2.2 Utilities relocation

Description

Depth (m)

Area (m2)

Excavation (m3)

Backfill (m3)

Shared utilities trench (approx. 1.5m Wide x 4.0m Deep) Excavation using hydro-excavation*

1.5

360

540

415

Excavation using Excavator

2.5

360

900

870

1.5

560

820

840

-

-

2260

2125

-

-

230

215

-

-

2490

2340

**Removal of abandoned utilities Excavation using hydro-excavation* Sub-Total Contingency to fulfil consent requirements (10%) Total

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*Excavated slurry material is constantly loaded into the truck as it is excavated. **Refers to abandoned utilities under the western footpath that are within 1.5m depth only and excavated using hydro-excavation. Removal of all other abandoned utilities will be undertaken as part of Contract C3 works.

3.4

Settlement Tank Sizing

It is anticipated that the groundwater table at the site is below the bottom of the shared utilities trench and therefore, only a minimal groundwater ingress is expected into the trench. Refer to the Groundwater Monitoring and Contingency Plan, attached as Appendix L of the CEMP report with regards to the potential for, and management of, groundwater at the worksite. Table 2Error!

Reference source not found. below provides a summary of inflows and settlement tank volume required for a worst case scenario where up to half the total length of the trench is open.

Settlement tanks have been sized to cater for the direct rainfall into the trench, the volume of which is estimated as 2% of the open excavation area.

Table 2 - Summary of proposed shared utilities trench groundwater inflow rates and rainfall volumes

Shared utilities trench

220m L x 1.5m W

Groundwater Inflow Rate (m3/d)

Groundwater Treatment Volume (m3)

Open Excavation Area (m2)

Volume for Stormwater Management (m3)***

Minimum Settlement Tank Volume (m3)

0

0

180

3.6

3.6

*** In accordance with the Auckland Council GD05 (2016), the required additional volume estimated for the open trench is equal to 2% of the open excavation areaError! Reference source not found..

According to Auckland Council GD05, stormwater flows have been calculated based on Auckland Regional Council TP108 guidelines for Stormwater Run-off Modelling. The 24hr rainfall intensity used was for the 10 year ARI design flow and allows for climate change. Thus the 6hr 1 in 5-year storm event, as prescribed by the ISCA Sustainability Rating system is complied with.

The management system is proposed to consist of two in-line settlement tanks. The first tank will be the discharge tank for the pumped discharge and the other will provide secondary settlement prior to discharge to the stormwater system. Given the extent of earthworks, flocculent treatment would not be required for the Project.

Settlement in both tanks will be monitored throughout the construction period and sediment will be regularly removed as required to ensure optimum management in maintained.

It is noted that if stormwater/groundwater flows exceed the maximum pump rate the open excavations will be inundated. As no groundwater in-flows are expected, and surface flows from upstream catchments have been diverted around the site, the risk of dirty water from the excavations overtopping the trench and discharging uncontrolled is considered low. It will be the responsibility of the contractor to appropriately manage the construction site during storm events.

3.5

Erosion and Sediment Control Measures

3.5.1

Proposed control measures

Sediment loading is anticipated to be low as construction works will be undertaken using the following controls to minimise erosion potential and reduce sediment loads to the receiving stormwater network prior to discharge from the CSA (refer to drawing CRL-AOT-UTI-000-DRG-013x series for details): Isolation of CSA – The work site shall include perimeter hoardings and temporary fencing to ensure separation of the work site from the public;

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Diverting Road runoff – Ensure hot-mix bund is installed adjacent to the proposed works. As shown on drawing CRL-AOT-UTI-000-DRG-0102, the hot mix bund is positioned below site hoarding and abovethe existing pavements to divert the clean water runoff away from the CSA to existing catchpits in the vicinity of the work site; Stormwater Inlet Protection – The existing network at the CSA is a fully reticulated pipe network common to a developed urban environment. All catchpits within and in the vicinity of the works site to be protected using filter cloth across inlets or alternative inlet protection measures in accordance with GD05. No discharge of surface or groundwater to wastewater systems is proposed.

Treating surface water – Surface site runoff within the CSA shall generally be collected along the existing kerb and channel and directed to existing catchpits with inlet protection. Where flows cannot be collected prior to discharge from the site, filter socks (or similar measures), shall be put in place to ensure flows are collected and treated prior to discharge from site; Settlement tanks – All surface and groundwater flows to be collected by localised sumps within the excavation area and pumped to the settlement tanks located within the CSA prior to discharge.

Note limited groundwater ingress is expected due to groundwater table being lower than the bottom of shared utilities trench; Open Excavation – Excavated material shall be loaded straight onto trucks, where possible. Refer Section 3.5.2 for details if spoil/fill or demolition debris is to be stored on site temporarily; Water Quality – Batch dosing of stormwater flows may be required subject to water quality testing conducted on the final discharge. A testing regime shall be established at the discharge point of all CSA treatment facilities to ensure minimum water quality standards are met. Water quality testing requirements are outlined within the Water Quality Assessment appended to the Auckland City Rail Link Aotea Station to NAL project Resource Consent package. Note that if the testing determines that the flocculent treatment is required at the site, then a Flocculent Treatment Plan is required to be prepared and submitted to AC for certification prior to proceeding further with the construction works.

Stabilised site surface – The entire CSA shall be maintained as a stabilised surface except at the location of the shared utilities trench; Site Access Points (SAPs) will be provided at two locations adjacent to where the existing vehicle access to buildings (such as Manhattan apartment and SkyCity hotel) are to be maintained. These areas are expected to be impervious stabilised areas (asphalt) however if bare earth is exposed, stabilised entry/exit points shall be provided with basic vehicle wash-down facilities to prevent transport of sediment off site; Loading trucks – Vehicles such as loading trucks will be parked on the carriageway adjacent to the kerb (within the site hoardings) and are not expected to be accessing the exposed areas. Therefore, wash-down areas and facilities are not proposed at the CSA. However, if vehicles access the exposed areas, then a wash-down area and facility will need to be provided to ensure vehicles leaving the site are ‘clean’. A water cart will be available on call to wet down any temporary stockpiles and/or pavement areas to prevent dust movement. Road sweeping will be carried out along the adjacent streets where trucks leave the site to ensure that no residual material is left behind which may be hazardous to traffic and pedestrians; and Wet weather – During an unforeseen rainfall event that limits carrying out the work, the work shall be stopped and the erosion and sediment control measures shall be checked to ensure they are operating correctly, and upgraded or modified where necessary prior to commencing work again; Control measures are illustrated on the drawings included in Appendix C of this report.

3.5.2

Site Spoil, Fill Material and Demolition Debris

Storage of excavated spoil, engineering fill, drainage materials or demolition debris will be limited at the worksite for the Project. It is proposed that excavated material for the construction of the shared utilities trench will be removed directly from site as it is excavated. However, provision has been made for temporary spoil storage within the CSA for short-term durations. Any such spoil shall be laid over and covered by geotextile fabric to minimise sediment runoff and dust migration at the end of each day

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or when rain is forecast. Silt socks shall be provided around the spoil storage area to prevent transport of sediment. Stockpiles shall be located as indicated on the drawings and shall not be located in an area where runoff cannot be controlled.

3.5.3

Contamination

Any suspected contaminated materials encountered will be immediately notified to the Engineer and appropriate disposal methods agreed. Refer to the Contamination Delivery Work Plan (CDWP), attached as Appendix H of the CEMP report with regards to the potential for, and management of, contamination at the worksite.

In the event any hazardous construction materials or soil are encountered these will be stored in an isolated area designated for this purpose and managed in accordance with the CDWP.

3.5.4

Reinstatement and Rehabilitation

The canopies removed from the existing buildings are likely to remain detached until the Aotea Station roof is constructed. New canopies are proposed to be installed post Aotea Station roof construction as part of the future CRL Contract 3 works.

On completion of the utilities relocation works, the contractor will be required to: Remove abandoned or redundant utilities from the station wall piling line; All excavations to be backfilled with approved material; Footpath pavement to be reinstated to match existing levels and finish in accordance with ATCOP standards; Reinstatement of any suspended or protected utilities during construction; Remove erosion and sediment controls including hot-mix bund; The contractor shall reinstate all pavements affected by construction to match the existing pavement; and Disestablishment of site and handover to relevant authority.

3.6

Monitoring

As part of implementing the ESCP, the contractor will provide ongoing site monitoring to ensure that all proposed erosion and sediment control measures are installed correctly and continue to operate effectively and in the manner that was intended for the full duration of the works.

All controls shall be inspected as a minimum fortnightly and following any heavy rain events to ensure devices continue to operate effectively. A maintenance and inspections regime shall be established in consultation with the relevant AC representative and may require more regular inspections subject to the risk profile associated with each measure. A log of inspections and maintenance to the control systems shall be recorded and kept onsite at all times. ESC construction quality checklists for each measure are also available in Appendix C of the Auckland Council GD05 (June 2016) which may be used on site for guidance.

Additional monitoring may also be determined as required as a result of the water quality testing and monitoring carried out on site discharges. Testing and monitoring requirements in relation to water quality are provided within the Water Quality Assessment appended to the Auckland City Rail Link Aotea Station to NAL project Resource Consent package. Section 9.2 in the above document specifies the following regime to be followed: 1. Receiving environment (prior to commencement of construction):

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a. Water quality (every 2 months) b. Freshwater Ecology (once per year) 2. During Operation/Construction: a. Daily for first week b. Weekly for the remainder of the first month c.

Monthly for the remainder of the first year

Following the above regime, the testing regime will be reviewed and amended as required.

The analysis of the water quality and consitituents is provided in Section 10 of the above report.

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4

Conclusion

As part of the Albert Street Canopy Removal and Utility Relocation, the removal or cut back of four building entrance canopies, the excavation of 220m of shared utilities trench, and the relocation of various utilities will be necessary. These works will require specific erosion and sediment control measures to be implemented in accordance with the conditions of the consent to manage the environmental effects of the construction works.

This ESCP provides a framework for identifying and implementing erosion and sediment yields during construction works. A design philosophy and a number of design principles have been provided, along with specific control methodologies for the Project works.

The proposed sediment and erosion controls have been developed in such a way that they align with the proposed construction methodology. All controls shall be fully established before any physical works are undertaken and monitored in accordance with the Auckland Council GD05 (June 2016).

Based on the proposed sediment and erosion controls detailed within this report, the effects of the Albert Street Canopy Removal and Utility Relocation temporary works may be managed in accordance with the statutory regulations and best management practices, to the extent that effects are expected to be less than minor.

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Appendices

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Appendix A Glossary of Abbreviations

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The following abbreviations have been used throughout this City Rail Link Erosion and Sediment Control Management Plan and are listed below for reference.

Abbreviation AC AEE CEMP CSA CRL CRLL GD05 ESCP NAL RMA TCs

Description Auckland Council Assessment of Environmental Effects Construction Environmental Management Plan Construction Support Area City Rail Link project City Rail Link Limited Auckland Council Guideline Document for Erosion and Sediment Control (2016) Erosion and Sediment Control Plan North Auckland Line Resource Management Act 1991 Traffic Controllers

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Appendix B Glossary of Terminology

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The following terminology has been used throughout this City Rail Link Erosion and Sediment Control Management Plan and are listed below for reference.

Term Flocculants Groundwater Hoarding North Auckland Line the Project Spoil Settlement Tank

Description A chemical which causes suspended particles in a liquid to aggregate which then induces settlement Water located underground in pore spaces within the soil mass Temporary fencing/barriers enclosing a construction site An existing railway line which runs from Newmarket through to Swanson and beyond Works related to Albert Street Canopy Removal (C2.1) and Utility Relocation (C2.2) Excavated material Chamber for storage of groundwater to filter sediments prior to discharge into stormwater network

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Appendix C Drawings

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SW

SW

14

SW

SW

SW

SW

SW

SW

SW

SW

KEY PLAN

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

30

SW

SW

SW SW

SW SW

SW

SW SW

42

SW SW

SW SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW

SW

SW

SW

SW

SW

SW

SW SW

FUTURE UTILITIES ROOF TRENCH TO BE CONSTRUCTED AS PART OF C3 WORKS

40

43

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW 225Ø

SW SW

SW

SW

SW

UNKNOWN

SW

ALBERT STREET SW SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

8

SW

225Ø UNKNOWN

4-10 4

SW

SW

1/2-4/2

SW

37

SW

98-102

138

112

106

SW

SW

120-130 104

SW

47

SW

37-41

FUTURE UTILITIES ROOF TRENCH TO BE CONSTRUCTED AS PART OF C3 WORKS

SW

15-31

SW

SW

24 SW

SW

SW

20

SW

27-35

SW

SW

SW

SW

39

SW

SW

SW

SW SW

SW SW

SW

20

SW

SW

9-11

SW

SW

SW

SW

11-25

SW

SW

SW

SW SW

SW

SW

SW SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

EXISTING STORMWATER LINE

PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES PROPOSED HOT MIX BUND

SW SW

SW

SW

SW

SW

SW

SW

SW

SW

PROPOSED CONSTRUCTION SUPPORT AREA (CSA)

SW

SW

WELLESLEY STREET

202

SW

SW

SW

198

SW

SW

EXISTING KERB AND CHANNEL

190

182

SW

SW

58

SW

SW

EXISTING CRL DESIGNATION BOUNDARY

SW

68

LEGEND

SW

100

88

86

210

SW

66

56

SW

49

SW

SW

VICTORIA STREET

SW

PROPOSED PEDESTRIAN ACCESS ROUTE THROUGH BUILDING

SW

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0101.dwg

SW

44

VEHICLE ACCESS TO SKYCITY BUILDING

SW

75

15

SW

71

SW

COUNCIL BUILDING

67 69

13

129-135

SKYCITY BUILDING

VEHICLE ACCESS TO MANHATTAN APARTMENTS

52

11

SW

MANHATTAN APARTMENTS

AA BUILDING

57-59

1

125

99 44

SW

103 51-53

PROPOSED SITE HOARDING

SW

59-63

SW

SW

0

10

20m

SCALE 1:500

DATE 26.10.17 05.12.17 22.03.18

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL CRL DESIGNATION BOUNDARY UPDATED

APPROVED B.NEWNS B.NEWNS B.NEWNS

SCALE

SIZE

1:500

A1

DRAWN

FOR APPROVAL NOT FOR CONSTRUCTION .

B.KARNAN

B.NEWNS

ORIGINAL SIZE

60

80

100

200

300

400

500

PROPOSED CONTAINER PEDESTRIAN WALKWAY PROPOSED SITE ACCESS POINT (SAP) FUTURE AOTEA STATION PILES

CONTRACTS 2.1 & 2.2 WESTERN ALBERT STREET GENERAL ARRANGEMENT PLAN

TITLE

B.NEWNS

R.DONNELLY 40

DATE

PROPOSED PEDESTRIAN ROUTE

CITY RAIL LINK

PROJECT

22.03.18

CHECKED

20mm

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

APPROVED

E.ALVAREZ DESIGNED

0

PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS

SW

SW

5

REV 1.0 2.0 3.0

205

1.

3.

CLIENT

201-203

PROPOSED TEMPORARY FENCE

PROPOSED SHARED UTILITIES TRENCH

2.

SW

87

195

NOTES

SW

72

187

SW

SW Auckland 22/03/2018 4:21:25 p.m.

77-85

SW

PROPOSED BARRIER 93

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0101

3.0

700

800

SEDIMENT AND EROSION CONTROL NOTES 1. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL ENVIRONMENTAL MANAGEMENT FOR THE DURATION OF THE PROJECT. THIS SHALL INCLUDE FOR MANAGEMENT OF EARTHWORKS METHODS, SITE RUNOFF AND DISCHARGES, EROSION AND SEDIMENT, WIND-BLOWN DUST, NOISE, AND PROTECTION OF ARCHAEOLOGICAL TREASURES AND FLORA AND FAUNA AS APPROPRIATE. 2. NO WORK SHALL COMMENCE UNTIL THE CONTRACTOR, VIA A SUITABLY EXPERIENCED PERSON, HAS SUBMITTED TO THE ENGINEER, AN ENVIRONMENTAL MANAGEMENT PLAN OR SERIES OF PLANS COVERING OVERALL ENVIRONMENTAL MANAGEMENT AND GAINED APPROVAL FOR THE PROPOSED WORKS. WHERE APPLICABLE THE PLANS SHALL ALSO BE SUBJECT TO THE APPROVAL OF AUCKLAND COUNCIL. 3. SITE ACCESSES ONTO PUBLIC ROADS SHALL BE ESTABLISHED TO THE REQUIREMENTS OF AUCKLAND TRANSPORT AND ACCESS TO AND FROM THE SITE SHALL BE SOLELY VIA THE APPROVED ACCESS POINT.

INDICATIVE CONTAINER PATHWAY (AS REQUIRED)

SITE HOARDING ON HOT-MIX BUND (AS REQUIRED) W-BEAM BARRIER HOT MIX BUND

EXISTING SURFACE

CLEAN WATER DIVERSION 1O

N2

N2

200

1O

DIRTY WATER DIVERSION

SECTION

4. WASHDOWN FACILITIES AND A ROAD CLEANING REGIME SHALL BE IN PLACE PRIOR TO COMMENCEMENT OF WORKS AND MAINTAINED FOR THE DURATION OF THE WORKS. ALL VEHICLES LEAVING THE SITE SHALL BE WASHED. EXTERNAL ROADS SHALL BE KEPT CLEAN OF DUST AND DEBRIS. 5.

SEDIMENT AND EROSION MANAGEMENT DEVICES SHALL BE IN PLACE PRIOR TO THE COMMENCEMENT OF CONSTRUCTION ACTIVITIES AND SHALL BE MAINTAINED THROUGHOUT AND BEYOND THE CONSTRUCTION WORKS. 6.

1:25

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0102.dwg

-

ALL CATCHPITS WITHIN AND IN THE VICINITY OF WORK SITE SHALL BE PROTECTED USING FILTER CLOTH ACROSS INLETS OR ALTERNATIVE INLET PROTECTION MEASURES IN ACCORDANCE WITH GD05. NO DISCHARGE OF SURFACE WATER OR GROUNDWATER TO WASTEWATER SYSTEM IS PERMITTED.

7. BATCH DOSING OF STORMWATER FLOWS MAY BE REQUIRED SUBJECT TO WATER QUALITY TESTING CONDUCTED ON THE FINAL DISCHARGE. TESTING SHALL BE CONDUCTED IN ACCORDANCE WITH THE WATER QUALITY ASSESSMENT FOR THE SITE-WORN MATERIALS TO ALLOW BENCHMARK TESTING OF THE EFFECTIVENESS OF THE PROPOSED FLOCCULANT AND REQUIRED DOSAGE RATE TO IMPROVE THE QUALITY OF THE WATER PRIOR TO DISCHARGE TO THE STORMWATER NETWORK. 8. SEDIMENT AND EROSION CONTROL FACILITIES SHALL INCORPORATE FENCING AND OTHER MEASURES NECESSARY TO MAINTAIN WORKER AND PUBLIC SAFETY AT ALL TIMES. 9. IF SEDIMENT AND EROSION CONTROL FACILITIES ARE FOUND TO BE DEFICIENT OR OTHERWISE NOT CONSISTENTLY ACHIEVING DESIRED OUTCOMES THE CONTRACTOR SHALL TAKE IMMEDIATE ACTION TO CORRECT THE PROBLEMS WHICH MAY INCLUDE MODIFICATIONS TO OR REPLACEMENT OF ORIGINAL FACILITIES. ALL MODIFICATIONS OR CHANGES TO THE SYSTEMS SHALL BE BASED ON DESIGN BY A SUITABLY QUALIFIED PERSON ENGAGED BY THE CONTRACTOR AND EXCEPT FOR URGENT WORKS, SHALL BE PROVIDED TO THE ENGINEER FOR CONSIDERATION PRIOR TO THEIR IMPLEMENTATION. 10. AT ALL TIMES RUNOFF FROM UNDISTURBED AREAS SHALL BE DIVERTED AROUND AREAS BEING DISTURBED AND AREAS BEING DISTURBED AT ANY TIME SHALL BE MINIMISED. 11. THE CONTRACTOR SHALL BE RESPONSIBLE FOR REGULARLY INSPECTING EROSION AND SEDIMENT CONTROL FACILITIES AND RECORDING THE INSPECTIONS AND CONDITION. AS A MINIMUM ALL DEVICES SHALL BE INSPECTED WEEKLY AND AFTER SIGNIFICANT RAIN EVENTS. SEDIMENT TANKS, FENCES AND THE LIKE SHALL BE CLEANED WHEN CAPACITY IS REDUCED BY 25% OR IF INSTRUCTED

BY THE ENGINEER OR AUCKLAND COUNCIL. 12. SEDIMENT AND EROSION CONTROL DEVICES SHALL BE REMOVED FROM SITE AND THE AREAS OCCUPIED BY THEM, TIDIED TO A STABILISED PRE-EXISTING OR DESIGN CONTOUR WHEN IT IS ACCEPTED BY THE ENGINEER THAT THE AREAS OF DISTURBANCE HAVE ACHIEVED ACCEPTABLE STABILISATION. 13. DURING AN UNFORESEEN RAINFALL EVENT THAT LIMITS CARRYING OUT THE WORK, THE WORK SHALL BE STOPPED AND THE EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED TO ENSURE THEY ARE OPERATING CORRECTLY, AND UPGRADED OR MODIFIED WHERE NECESSARY PRIOR TO COMMENCING WORK AGAIN.

300mm

AGGREGATE

COURSE GEOTEXTILE

RUNOFF WATER

SEDIMENT BUILD UP

CESSPIT GRATE

CROSS SECTION

CATCHPIT PROTECTION DETAIL (REFER TO GD05 SECTION F1.6) NOT TO SCALE

12/4/2017 3:09:21 PM

Auckland

A

CLIENT 250

0

500

REV DATE REVISION DETAILS 1.0 26.10.17 DRAFT FOR CRLL TO REVIEW 2.0 05.12.17 ISSUED FOR APPROVAL

1000mm

APPROVED B.NEWNS B.NEWNS

SCALE

SIZE

AS SHOWN

A1

DRAWN

.

DESIGNED

B.KARNAN

ORIGINAL SIZE

40

60

80

100

200

300

400

CONTRACTS 2.1 & 2.2 EROSION AND SEDIMENT CONTROL GENERAL NOTES AND TYPICAL DETAILS

TITLE

B.NEWNS B.NEWNS

R.DONNELLY 20mm

DATE

05.12.17

CHECKED

0

CITY RAIL LINK

PROJECT

APPROVED

E.ALVAREZ

SCALE 1:25

FOR APPROVAL

500

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0102

2.0

700

800

SW

WORKING ZONE

AREA (m²)

WORKING ZONE

AREA (m²)

PROPOSED CONSTRUCTION SUPPORT AREA

2250

SPOIL STORAGE AMENITIES SETTLEMENT TANKS STORAGE CONTAINER EXCAVATORS (EACH)

90 5 12 16 30

SW

SW

SW

SW

SW

SW

SW

SW

SW

VICTORIA STREET

SW

SW SW SW

SW SW

X

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW SW

X

SW

SW SW

X

SW

225Ø UNKNOWN

SW

SITE ACCESS POINTS (SAPs)

SW

ALBERT STREET

JOIN SHEET 2

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

20T EXCAVATOR

SW

SKIP

SW

TEMPORARY SPOIL STORAGE

SW

STORAGE CONTAINER

SW

SETTLEMENT TANKS (MIN. 5m³ VOLUME EACH)

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

X

SW

SW

SW

SW

SW

225Ø UNKNOWN

SW

SW

SW

X

SW

X

SW

SW

X

X

X SW

SW

SW

X

X

SW SW

KEY PLAN

TEMPORARY WORK AREAS

TEMPORARY WORK AREAS

TEMPORARY SPOIL STORAGE

SW

SW

SW

REFER NOTE 3

SW

SW

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0111.dwg

SW

SITE AMENITY

SKYCITY BUILDING MANHATTAN APARTMENTS

SW

SW

AA BUILDING

LEGEND 1.

SW

VICTORIA STREET

SW

EXISTING CRL DESIGNATION BOUNDARY

NOTES

SW

SW

2.

SW

3.

SW

4.

SW

Auckland

SW

5.

SW

SW

22/03/2018 4:22:45 p.m.

6.

1

0

2

4m

CLIENT

7.

REV 1.0 2.0 3.0

SCALE 1:100

DATE 26.10.17 05.12.17 22.03.18

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL CRL DESIGNATION BOUNDARY UPDATED

APPROVED B.NEWNS B.NEWNS B.NEWNS

SCALE

SIZE

1:200

A1

DRAWN

FOR APPROVAL NOT FOR CONSTRUCTION .

B.KARNAN

B.NEWNS B.NEWNS

R.DONNELLY ORIGINAL SIZE

40

60

80

100

200

300

400

500

EXISTING STORMWATER LINE

SW

PROPOSED STORMWATER LINE PROPOSED CONSTRUCTION SUPPORT AREA (CSA) PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES PROPOSED HOT MIX BUND PROPOSED SITE HOARDING PROPOSED BARRIER PROPOSED TEMPORARY FENCE PROPOSED SILT FILTER SOCK BUND PROPOSED SHARED UTILITIES TRENCH PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS PROPOSED PEDESTRIAN ROUTE PROPOSED CONTAINER PEDESTRIAN WALKWAY PROPOSED SITE ACCESS POINT (SAP) FUTURE AOTEA STATION PILES

CONTRACTS 2.1 & 2.2 WESTERN ALBERT STREET - SHEET 1 SITE LAYDOWN AREA

TITLE

22.03.18

CHECKED

20mm

DATE

SW

CITY RAIL LINK

PROJECT

APPROVED

E.ALVAREZ DESIGNED

0

EXISTING KERB AND CHANNEL

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. PROPOSED TEMPORARY FENCE ARE TO BE MIN. 1.8m HIGH WIRED FENCE COVERED WITH DUST FILTER CLOTH. FENCE ARE TO BE ADJUSTED FOR TRUCK / EXCAVATOR ACCESS AS REQUIRED. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0111

3.0

700

800

SW

SW SW

SW

SW SW

KEY PLAN

PROPOSED CONSTRUCTION SUPPORT AREA

2250

SW

90 5 12 16 30

SW

SPOIL STORAGE AMENITIES SETTLEMENT TANKS STORAGE CONTAINER EXCAVATORS (EACH)

SW

SW

SW

SW

WELLESLEY STREET

SW

SW

SW

SW

SW

SW

SW

SW

AREA (m2)

SW

WORKING ZONE

SW

AREA (m2)

SW

WORKING ZONE

SW

TEMPORARY WORK AREAS

TEMPORARY WORK AREAS

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW

ALBERT STREET SITE ACCESS POINTS (SAPs)

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SKIP

SW SW

SW

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0112.dwg

SW

SW

SW

REFER NOTE 3

SW

SW

SW

SW

20T EXCAVATOR TEMPORARY STORAGE PIT

SW

SW

SKIP

SW

SW

SITE AMENITY

SKYCITY BUILDING

SW

SW

LEGEND

SW

SW

MANHATTAN APARTMENTS

SW

SW

COUNCIL BUILDING

7.

1

0

2

4m

CLIENT

REV 1.0 2.0 3.0

SCALE 1:100

DATE 26.10.17 05.12.17 22.03.18

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL CRL DESIGNATION BOUNDARY UPDATED

APPROVED B.NEWNS B.NEWNS B.NEWNS

ORIGINAL SIZE

80

100

200

300

400

SW SW

SW

SW

SW

SW

SW

PROPOSED TEMPORARY FENCE PROPOSED SILT FILTER SOCK BUND

PROPOSED PEDESTRIAN ROUTE PROPOSED CONTAINER PEDESTRIAN WALKWAY PROPOSED SITE ACCESS POINT (SAP) FUTURE AOTEA STATION PILES

SIZE

1:100

A1

DRAWN

SW

PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS

SCALE

SW

PROPOSED SHARED UTILITIES TRENCH

FOR APPROVAL NOT FOR CONSTRUCTION

CITY RAIL LINK

PROJECT

CONTRACTS 2.1 & 2.2 WESTERN ALBERT STREET - SHEET 2 SITE LAYDOWN AREA

APPROVED

E.ALVAREZ

.

DATE

TITLE

22.03.18

B.NEWNS B.NEWNS

R.DONNELLY 60

SW

PROPOSED BARRIER

B.KARNAN

40

SW

PROPOSED SITE HOARDING

CHECKED

20mm

SW

PROPOSED HOT MIX BUND

DESIGNED

0

SW

PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES

SW

22/03/2018 4:25:07 p.m.

6.

PROPOSED CONSTRUCTION SUPPORT AREA (CSA)

SW

Auckland

5.

PROPOSED STORMWATER LINE

SW

4.

EXISTING STORMWATER LINE

SW

SW

3.

SW

SW

2.

EXISTING KERB AND CHANNEL

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. 2.REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. PROPOSED TEMPORARY FENCE ARE TO BE MIN. 1.8m HIGH WIRED FENCE COVERED WITH DUST FILTER CLOTH. FENCE ARE TO BE ADJUSTED FOR TRUCK / EXCAVATOR ACCESS AS REQUIRED. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

SW

1.

WELLESLEY STREET

EXISTING CRL DESIGNATION BOUNDARY

NOTES

500

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0112

3.0

700

800

SW SW

SW

SW

SW

SW

SW

525Ø

SW

SW

SW

375Ø RC

SW

SW SW

SW SW

225Ø

43

X

X

SW

47 SW

SW

SW

X SW

SW

X

SW

X

SW

X

Ø UNKNOWN 225 SW SW SW

SW

225Ø RC

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW

SKIP

SW

SW

C

SW

SW

SW

300Ø RC SW

SW

SW

TEMPORARY SPOIL STORAGE

ØR

SW

STORAGE CONTAINER

225

SW

525Ø

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

X

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

5Ø 37

1530Ø OVOID

225Ø UNKNOWN

SW

SW

SW

X

SW

SW

X

X

SW

X

SW

SW

X

X

98-102

112

106

X

SW

104

SW

SW

SW

SW

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SW

SW

300Ø CI-CL

20T EXCAVATOR

SW SW

SITE AMENITY

SW

103 99 SW

51-53

SETTLEMENT TANKS (MIN. 5m³ VOLUME EACH)

AA BUILDING

SW

44

MANHATTAN APARTMENTS

TEMPORARY SPOIL STORAGE TO BE USED ONLY WHEN LOADING TRUCKS ARE NOT AVAILABLE ON SITE. WHEN LOADING TRUCKS ARE AVAILABLE, TEMPORARY SPOIL ARE TO BE DISPOSED OFF SITE FIRST.

LEGEND EXISTING CRL DESIGNATION BOUNDARY

NOTES

SW

SW

1.

SW

2.

SW

3.

4.

SW

57-59

5.

SW

Auckland

SW

52

SW

SW

22/03/2018 4:25:51 p.m.

6.

67 CLIENT 2.5

0

5

7.

REV 1.0 2.0 3.0

10m

SCALE 1:250

DATE 26.10.17 05.12.17 22.03.18

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL CRL DESIGNATION BOUNDARY UPDATED

APPROVED B.NEWNS B.NEWNS B.NEWNS

SCALE

SIZE

1:250

A1

DRAWN

FOR APPROVAL NOT FOR CONSTRUCTION .

B.KARNAN

B.NEWNS B.NEWNS

R.DONNELLY ORIGINAL SIZE

40

60

80

100

200

300

400

500

EXISTING STORMWATER LINE

SW

PROPOSED STORMWATER LINE PROPOSED CONSTRUCTION SUPPORT AREA (CSA) PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES PROPOSED HOT MIX BUND PROPOSED SITE HOARDING PROPOSED BARRIER PROPOSED TEMPORARY FENCE PROPOSED SILT FILTER SOCK BUND PROPOSED SHARED UTILITIES TRENCH PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS PROPOSED PEDESTRIAN ROUTE PROPOSED CONTAINER PEDESTRIAN WALKWAY PROPOSED SITE ACCESS POINT (SAP) FUTURE AOTEA STATION PILES

CONTRACTS 2.1 & 2.2 WESTERN ALBERT STREET - SHEET 1 SITE LAYOUT AND TTM

TITLE

22.03.18

CHECKED

20mm

DATE

SW

CITY RAIL LINK

PROJECT

APPROVED

E.ALVAREZ DESIGNED

0

EXISTING KERB AND CHANNEL

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. PROPOSED TEMPORARY FENCE ARE TO BE MIN. 1.8m HIGH WIRED FENCE COVERED WITH DUST FILTER CLOTH. FENCE ARE TO BE ADJUSTED FOR TRUCK / EXCAVATOR ACCESS AS REQUIRED. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0121

3.0

700

800

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

37

138

SW

SW

120-130

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

ALBERT STREET

SW

SW

SW

SW

SITE AMENITY

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW

20T EXCAVATOR TEMPORARY STORAGE PIT

SW

SW

SW

SW

SKIP

SW

SW

REFER NOTE 3

COUNCIL BUILDING

SW

129-135

SW

SW

SW

SW

SW

SW

SKYCITY BUILDING

SW

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0122.dwg

SW

SW

125

Auckland

PROPOSED SHARED UTILITIES TRENCH

5.

22/03/2018 4:26:28 p.m.

PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS

18m SEMI-TRAILER ENTRY AND EGRESS CLIENT 2.5

0

5

SCALE 1:250

6.

PROPOSED CONTAINER PEDESTRIAN WALKWAY PROPOSED SITE ACCESS POINT (SAP)

7.

FUTURE AOTEA STATION PILES REV 1.0 2.0 3.0

10m

PROPOSED PEDESTRIAN ROUTE

DATE 26.10.17 05.12.17 22.03.18

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL CRL DESIGNATION BOUNDARY UPDATED

APPROVED B.NEWNS B.NEWNS B.NEWNS

SCALE

SIZE

1:250

A1

DRAWN

FOR APPROVAL NOT FOR CONSTRUCTION .

DESIGNED

B.KARNAN

ORIGINAL SIZE

40

60

80

100

200

300

400

B.NEWNS 500

SW SW

SW

SW

SW

SW

SW

CONTRACTS 2.1 & 2.2 WESTERN ALBERT STREET - SHEET 2 SITE LAYOUT AND TTM

TITLE

B.NEWNS

R.DONNELLY 20mm

DATE

22.03.18

CHECKED

0

CITY RAIL LINK

PROJECT

APPROVED

E.ALVAREZ

SW

PROPOSED SILT FILTER SOCK BUND

SW

4.

PROPOSED TEMPORARY FENCE

SW

PROPOSED BARRIER

SW

PROPOSED SITE HOARDING

SW

3.

PROPOSED HOT MIX BUND

SW

PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES

2.

SW

PROPOSED CONSTRUCTION SUPPORT AREA (CSA)

SW

PROPOSED STORMWATER LINE

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. PROPOSED TEMPORARY FENCE ARE TO BE MIN. 1.8m HIGH WIRED FENCE COVERED WITH DUST FILTER CLOTH. FENCE ARE TO BE ADJUSTED FOR TRUCK / EXCAVATOR ACCESS AS REQUIRED. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

SW

SW

SW

NOTES 1.

EXISTING STORMWATER LINE

SW

EXISTING KERB AND CHANNEL SW

SW

EXISTING CRL DESIGNATION BOUNDARY

SW

LEGEND

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0122

3.0

700

800

SW 375Ø RC SW

SW

1530Ø OVOID SW SW

525Ø SW

SW

SW

SW

SW

SW

VICTORIA STREET

SW SW SW SW

225Ø SW

43

KEY PLAN

120-130

X

X

SW

SW

104 112

X

SW

SW

SW

SW

SW

SW

X

SW

SW

X

SW

225Ø UNKNOWN

SW

225Ø RC SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

1120Ø OVOID

JOIN SHEET 2

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

225 Ø

SW

SW

SW

SW

300Ø CI-CL

SW

SW

SW

20T EXCAVATOR

300Ø RC SW

SKIP

SW

300Ø RC

TEMPORARY SPOIL STORAGE

SW

STORAGE CONTAINER

ØR C

SW

225

SW

SW

SW

SW

ALBERT STREET

SW

SW

SW

SW

SW

SW

SW

SW

X

SW

SW

SW

525Ø SW

SW

5Ø 37

1530Ø OVOID

225Ø AC

225Ø UNKNOWN

SW

X

SW

X

SW

SW

X

X

SW

106

X

98-102

SW

SW

SW

47

RC

TEMPORARY SPOIL STORAGE

SW SW

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0131.dwg

SW

SETTLEMENT TANKS (MIN. 5m³ VOLUME EACH)

51-53

SW

SW

44

REFER NOTE 8

PROPOSED OPEN DIVERSION TRENCH TO ALLOW FOR DIRTY WATER DIVERSION IF 99 THE INLET PROTECTION IS INADEQUATE DUE TO SEVERE WEATHER (AS REQUIRED)

CONTINUE DIRTY WATER DIVERSION ACROSS VEHICLE CROSSING

SITE AMENITY

103

LEGEND EXISTING CRL DESIGNATION BOUNDARY EXISTING KERB AND CHANNEL EXISTING CONTOURS (0.5m INTERVAL) SW

PROPOSED TEMPORARY PIPE FOR PUMPING DIRTY WATER TO SETTLEMENT TANKS

SKYCITY BUILDING

MANHATTAN APARTMENTS

AA BUILDING

EXISTING STORMWATER LINE

SW

EXISTING STORMWATER CATCHPIT

SW

EXISTING OVERLAND FLOW PATH

SW

1.

2.

52 SW

57-59

INLET PROTECTION (REFER NOTE 8)

3.

SW

VICTORIA STREET

PROPOSED STORMWATER CATCHPIT

NOTES

SW

4.

SW

5.

6.

Auckland

525Ø SW

67

7.

SW SW

22/03/2018 4:27:31 p.m.

69

8.

SW

71

CLIENT 2

0

4

9.

REV 1.0 2.0 3.0

8m

SCALE 1:200

DATE 26.10.17 05.12.17 22.03.18

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL CRL DESIGNATION BOUNDARY UPDATED

APPROVED B.NEWNS B.NEWNS B.NEWNS

SCALE

SIZE

1:200

A1

DRAWN

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. PROPOSED TEMPORARY FENCE ARE TO BE MIN. 1.8m HIGH WIRED FENCE COVERED WITH DUST FILTER CLOTH. FENCE ARE TO BE ADJUSTED FOR TRUCK / EXCAVATOR ACCESS AS REQUIRED. DURING AN UNFORESEEN RAINFALL EVENT THAT LIMITS ON CARRYING OUT THE WORK, THE WORK SHALL BE STOPPED AND THE EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED AND UPGRADED OR MODIFIED WHERE NECESSARY PRIOR TO COMMENCING WORK AGAIN. FILTER CLOTH (OR SIMILAR) INLET PROTECTION TO BE USED ON EXISTING CATCHPITS. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

FOR APPROVAL NOT FOR CONSTRUCTION .

DESIGNED

B.KARNAN

B.NEWNS B.NEWNS

R.DONNELLY 20mm ORIGINAL SIZE

40

60

80

100

200

300

400

500

PROPOSED CONSTRUCTION SUPPORT AREA (CSA) PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES PROPOSED HOT MIX BUND PROPOSED SITE HOARDING PROPOSED BARRIER PROPOSED TEMPORARY FENCE PROPOSED SILT FILTER SOCK BUND PROPOSED SHARED UTILITIES TRENCH PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS PROPOSED PEDESTRIAN ROUTE PROPOSED SITE ACCESS POINT (SAP) FUTURE AOTEA STATION PILES

CONTRACTS 2.1 & 2.2 WESTERN ALBERT STREET - SHEET 1 EROSION AND SEDIMENT CONTROL PLAN

TITLE

22.03.18

CHECKED

0

DATE

CLEAN WATER DIVERSION DISCHARGE POINT FOR FLOWS FROM SITE

CITY RAIL LINK

PROJECT

APPROVED

E.ALVAREZ

DIRTY WATER DIVERSION

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0131

3.0

700

800

SW

SW SW

SW

SW SW

SW

SW

SW

SW SW

SW

SW

SW

SW

SW

SW

1/2-4/2 SW

37 138

SW

SW

120-130

WELLESLEY STREET

SW

SW

SW

SW

42

KEY PLAN

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW

ALBERT STREET

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SKIP

EXISTING CONTOURS (0.5m INTERVAL)

PROPOSED BARRIER

Auckland

PROPOSED TEMPORARY FENCE PROPOSED SILT FILTER SOCK BUND

7.

PROPOSED SHARED UTILITIES TRENCH PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS 8.

PROPOSED PEDESTRIAN ROUTE PROPOSED SITE ACCESS POINT (SAP)

9.

FUTURE AOTEA STATION PILES

CLIENT 2

0

4

REV 1.0 2.0 3.0

8m

SCALE 1:200

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL

APPROVED B.NEWNS B.NEWNS CRL DESIGNATION BDY UPDATED, TRENCH WORKS ON WELLESLEY ST REMOVED B.NEWNS

SCALE

SIZE

1:200

A1

DRAWN

NOT FOR CONSTRUCTION .

ORIGINAL SIZE

80

100

200

300

400

DATE

SW SW SW SW

SW

SW

WELLESLEY STREET

SW

SW

CONTRACTS 2.1 & 2.2 WESTERN ALBERT STREET - SHEET 1 EROSION AND SEDIMENT CONTROL PLAN

TITLE

22.03.18

B.NEWNS B.NEWNS

T.NEL 60

CITY RAIL LINK

PROJECT

APPROVED

E.ALVAREZ B.KARNAN

40

56

49

FOR APPROVAL

CHECKED

20mm

SW

SW SW

DATE 26.10.17 05.12.17 22.03.18

DESIGNED

0

SW

6.

PROPOSED SITE HOARDING

SW

PROPOSED HOT MIX BUND

5.

SW

PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES

4.

500

44

SW

PROPOSED CONSTRUCTION SUPPORT AREA (CSA)

SW

3.

SW

CLEAN WATER DIVERSION DISCHARGE POINT FOR FLOWS FROM SITE

SW

DIRTY WATER DIVERSION

SW

2.

EXISTING OVERLAND FLOW PATH

SW

INLET PROTECTION (REFER NOTE 8)

SW

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED

BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. PROPOSED TEMPORARY FENCE ARE TO BE MIN. 1.8m HIGH WIRED FENCE COVERED WITH DUST FILTER SOCK. THESE ARE TO BE ADJUSTED ON SITE FOR TRUCK / EXCAVATOR ACCESS AS REQUIRED. DURING AN UNFORESEEN RAINFALL EVENT THAT LIMITS ON CARRYING OUT THE WORK, THE WORK SHALL BE STOPPED AND THE EROSION AND SEDIMENT CONTROL MEASURES SHALL BE CHECKED AND UPGRADED OR MODIFIED WHERE NECESSARY PRIOR TO COMMENCING WORK AGAIN. FILTER CLOTH (OR SIMILAR APPROVED) INLET PROTECTION TO BE USED ON EXISTING CATCHPITS. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

SW

1.

SW

PROPOSED STORMWATER CATCHPIT

NOTES

SW

EXISTING STORMWATER CATCHPIT

22/03/2018 4:28:36 p.m.

SW SW

PROPOSED TEMPORARY PIPE FOR PUMPING DIRTY WATER TO SETTLEMENT TANKS

129-135

COUNCIL BUILDING

SKYCITY BUILDING

EXISTING STORMWATER LINE

SW

REFER NOTE 8

SW

EXISTING KERB AND CHANNEL

SW

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0132.dwg

EXISTING CRL DESIGNATION BOUNDARY

GAP TO BE PROVIDED UNDER FENCE TO ENABLE DIRTY WATER DIVERSION TO REACH DOWNSTREAM CATCHPIT

SW

LEGEND

PROPOSED OPEN DIVERSION TRENCH TO ALLOW FOR DIRTY WATER DIVERSION IF THE INLET PROTECTION IS INADEQUATE DUE TO SEVERE WEATHER (AS REQUIRED)

SW

CONTINUE DIRTY WATER DIVERSION ACROSS VEHICLE CROSSING 125

SW

REFER NOTE 8

SW

SW

SW

SW

20T EXCAVATOR TEMPORARY STORAGE PIT

SW

SW

SKIP

SW

SW

SITE AMENITY

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0132

3.0

700

800

SW

SW

X

SW

X

X

X

SW

SW

SW

X SW

SW

X

SW

SW

X SW

SW

ALBERT STREET

SW

SW SW

SW

SW

SW

SW

SW

SW SW

SW

SW

SW

225

ØR

SW

SW SW

SW

SW

STORAGE CONTAINER SW

ALBERT STREET

TRENCH REQUIRED FOR STORMWATER CONNECTION TO EXISTING NETWORK

SW

525Ø

SW

SW

SW

SW

SW

1530Ø OVOID

SW

225Ø RC

SW

SW

SW

SW

SW

SW

SW

SW

X

SW

SW

5Ø 37

VICTORIA STREET

KEY PLAN

C SW SW

SW

EXISTING CRL DESIGNATION BOUNDARY SW

300Ø CI-CL

LEGEND EXISTING KERB AND CHANNEL

SW

SW

EXISTING CONTOURS (0.5m INTERVAL)

SW

NOTES

SW

1.

SW

2.

AA BUILDING

SW

3.

SW

51-53

SW

44

4.

SW

TRENCH REQUIRED FOR VECTOR ASSETS CONNECTION TO EXISTING NETWORK

5.

SW

6.

SW

VICTORIA STREET

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0133.dwg

SW

SW

SW

TRENCH REQUIRED FOR WASTEWATER CONNECTION TO EXISTING NETWORK

8.

9.

SW

22/03/2018 4:29:32 p.m.

SW

Auckland

SW

7.

SW

10.

57-59

CLIENT 2

0

4

REV 1.0 2.0 3.0

8m

SCALE 1:200

DATE 26.10.17 05.12.17 22.03.18

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL CRL DESIGNATION BOUNDARY UPDATED

APPROVED B.NEWNS B.NEWNS B.NEWNS

SCALE

SIZE

1:100

A1

DRAWN

FOR APPROVAL NOT FOR CONSTRUCTION .

B.KARNAN

B.NEWNS

ORIGINAL SIZE

60

80

100

200

300

400

500

PROPOSED TEMPORARY PIPE FOR PUMPING DIRTY WATER TO SETTLEMENT TANKS EXISTING STORMWATER CATCHPIT PROPOSED STORMWATER CATCHPIT INLET PROTECTION (REFER NOTE 8) EXISTING OVERLAND FLOW PATH DIRTY WATER DIVERSION CLEAN WATER DIVERSION DISCHARGE POINT FOR FLOWS FROM SITE PROPOSED CONSTRUCTION SUPPORT AREA (CSA) PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES PROPOSED HOT MIX BUND PROPOSED SITE HOARDING PROPOSED BARRIER PROPOSED TEMPORARY FENCE PROPOSED SILT FILTER SOCK BUND PROPOSED SHARED UTILITIES TRENCH PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS PROPOSED PEDESTRIAN ROUTE PROPOSED SITE ACCESS POINT (SAP) FUTURE AOTEA STATION PILES

CONTRACTS 2.1 & 2.2 VICTORIA STREET INTERSECTION EROSION AND SEDIMENT CONTROL PLAN

TITLE

B.NEWNS

R.DONNELLY 40

DATE

EXISTING STORMWATER LINE

CITY RAIL LINK

PROJECT

22.03.18

CHECKED

20mm

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. TRENCHES SHOWN ON THIS DRAWING ARE TO BE EXCAVATED USING HYDROVAC AND THEREFORE EXCAVATED MATERIAL ARE REMOVED FROM SITE IMMEDIATELY. WHEN NOT WORKING, COVER TRENCH WITH ROAD PLATES AND RAMP THE EDGES WITH COLDMIX ASPHALT TO KEEP THE SURFACE WATER AWAY FROM THE TRENCH. BACKFILL AS MUCH OF THE TRENCH AS SOON AS POSSIBLE. FILTER SOCK (OR SIMILAR) INLET PROTECTION TO BE USED ON EXISTING CATCHPITS. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

APPROVED

E.ALVAREZ DESIGNED

0

SW

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0133

3.0

700

800

SW

SW SW

SW

KEY PLAN

SW

SW

SW

WELLESLEY STREET

SW

SW SW

SW

SW

SW

SW

SW SW

42

LEGEND

1/2-4/2

37 SW

SW

EXISTING CRL DESIGNATION BOUNDARY EXISTING KERB AND CHANNEL

SW

SW

EXISTING CONTOURS (0.5m INTERVAL) SW

SW

PROPOSED TEMPORARY PIPE FOR PUMPING DIRTY WATER TO SETTLEMENT TANKS

SW

SW SW

EXISTING STORMWATER LINE

EXISTING STORMWATER CATCHPIT

SW

SW

PROPOSED STORMWATER CATCHPIT INLET PROTECTION (REFER NOTE 8)

SW

SW

EXISTING OVERLAND FLOW PATH DIRTY WATER DIVERSION

SW

SW

CLEAN WATER DIVERSION DISCHARGE POINT FOR FLOWS FROM SITE PROPOSED CONSTRUCTION SUPPORT AREA (CSA) SW

PROPOSED OPEN TRENCH TO REMOVE ABANDONED SERVICES

SW

SW

SW

ALBERT STREET

PROPOSED HOT MIX BUND PROPOSED BARRIER

SW

SW

PROPOSED SITE HOARDING

PROPOSED SILT FILTER SOCK BUND

SW

SW

PROPOSED TEMPORARY FENCE

PROPOSED TEMPORARY VEHICLE / PEDESTRIAN ACCESS PROPOSED PEDESTRIAN ROUTE

SW

SW

SW

SW

PROPOSED SHARED UTILITIES TRENCH

FUTURE AOTEA STATION PILES

SW

SW

PROPOSED SITE ACCESS POINT (SAP)

2.

4.

SW

WELLESLEY STREET

5.

SW

SW

SW

6.

SW

SW

SW

SW

SW

3.

44

SW

SW

SW

SW

SW

SW

129-135

TRENCH REQUIRED FOR CHORUS OR COMMUNICATION CABLES CONNECTION TO EXISTING NETWORK

1.

SW

SW

pw:\\designshare.au.aurecon.info:PW_PROD_AU\Documents\Projects\23xxxx\239933 - City Rail Link CDE\01-WIP\Drawings\CRL-AOT-UTI-000-DRG-0134.dwg

NOTES

SW

SW

SW

SW

7.

8.

9.

SW

SW

Auckland

56

SW

SW

SW

SW

22/03/2018 4:33:07 p.m.

10.

CLIENT 2

0

4

REV 1.0 2.0 3.0

8m

SCALE 1:200

DATE 26.10.17 05.12.17 22.03.18

49

REVISION DETAILS DRAFT FOR CRLL TO REVIEW ISSUED FOR APPROVAL

APPROVED B.NEWNS B.NEWNS CRL DESIGNATION BDY UPDATED, TRENCH WORKS ON WELLESLEY ST REMOVED B.NEWNS

SCALE

SIZE

1:200

A1

DRAWN

FOR APPROVAL NOT FOR CONSTRUCTION .

B.KARNAN

ORIGINAL SIZE

60

80

100

200

300

400

CONTRACTS 2.1 & 2.2 WELLESLEY STREET INTERSECTION EROSION AND SEDIMENT CONTROL PLAN

TITLE

B.NEWNS B.NEWNS

T. NEL 40

DATE

22.03.18

CHECKED

20mm

CITY RAIL LINK

PROJECT

APPROVED

E.ALVAREZ DESIGNED

0

REFER TO TEMP. TRAFFIC MANAGEMENT PLANS (PREPARED BY CONTRACTOR) FOR DETAILS ON TRAFFIC LANE(S) CHANGES AND CLOSURES. REFER TO CRL-AOT-UTI-000-DRG-0102 FOR EROSION AND SEDIMENT CONTROL MEASURES GENERAL NOTES AND TYPICAL DETAILS. EXCAVATOR IS TO BE PARKED ON THE FOOTPATH CLOSER TO SOUTHERN END OF OPEN TRENCH. LOCATION WILL CHANGE FROM NORTH TO SOUTH DEPENDING ON TRENCH PROGRESS. HOT-MIX BUND AT VEHICLE CROSSINGS ARE TO BE MADE MORE LIKE A SPEED HUMP FOR SAFE VEHICLE CROSSING. HOT-MIX BUND SHALL BE CONSTRUCTED IN SUCH A WAY THAT THERE WILL BE NO LOW POINT ALONG THE BUND THAT COULD POTENTIALLY CAUSE LOCAL FLOODING. TRENCHES SHOWN ON THIS DRAWING ARE TO BE EXCAVATED USING HYDROVAC AND THEREFORE EXCAVATED MATERIAL ARE REMOVED FROM SITE IMMEDIATELY. WHEN NOT WORKING, COVER TRENCH WITH ROAD PLATES AND RAMP THE EDGES WITH COLDMIX ASPHALT TO KEEP THE SURFACE WATER AWAY FROM THE TRENCH. BACKFILL AS MUCH OF THE TRENCH AS SOON AS POSSIBLE. FILTER SOCK (OR SIMILAR) INLET PROTECTION TO BE USED ON EXISTING CATCHPITS. THIS DRAWING SHALL BE READ IN CONJUNCTION WITH CRL-PAT-RME-000-RPT-0101 (ESCP REPORT).

500

DOCUMENT 600

PROJECT

ZONE

DISCIPLINE

ELEMENT

TYPE

SHEET

REVISION

CRL

AOT

UTI

000

DRG

0134

3.0

700

800

This page has been intentionally left blank.

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