Erosion and Sediment Control Plan

Karangahape Station Early Works Erosion and Sediment Control Plan

CRL-KRD-RME-LKA-PLN-800010 Revision: Final Date: October 2019

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Erosion and Sediment Control Plan – Karangahape Station

Erosion and Sediment Control Plan CRL-KRD-RME-LKA-PLN-800010

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

Revision Status Revision

Date

Version details

Prepared By

Approved By

A

25/09/2019

Draft for Auckland Council Review

Joanna Miller, Ellen Chang

Peter Roan

0

21/10/19

Final for submission to Auckland Council

Joanna Miller, Ellen Chang

Peter Roan

Approval Status Name/Title Prepared by:

Joanna Miller, Ellen Chang Professional Civil Engineer

Reviewed by:

Caroline Secretin Principal Environmental Scientist

Verified by:

Duane Rollo Associate Director

Approved by:

Peter Roan Consents Lead – Link Alliance

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Signature

Date

Erosion and Sediment Control Plan – Karangahape Station

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

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

1.2

ESCP Staging ...................................................................................................................... 6

1.3

Purpose of the ESCP .......................................................................................................... 6

1.4

Relevant Conditions .......................................................................................................... 6

1.5

Sustainability ..................................................................................................................... 9

1.6

ESCP Review and updates.................................................................................................. 9

2. Karangahape Early Works ......................................................................... 10 2.1

Overview of Works .......................................................................................................... 10

2.2

Earthworks ...................................................................................................................... 10

2.3

Topography and Drainage ............................................................................................... 11

3. Erosion and Sediment Control and Management ..................................... 14 3.1

Key Principles .................................................................................................................. 14

3.2

Erosion and Sediment Control Measures......................................................................... 14

3.2.1.

General ESC Measures .............................................................................................. 14

3.2.2.

Asphalt Works and Concrete Pumping / Pouring....................................................... 15

3.2.3.

Erosion and Sediment Source Control ....................................................................... 16

3.2.4.

Beresford Square / Pitt Street ................................................................................... 17

3.2.5.

Mercury Lane ........................................................................................................... 19

3.3

Monitoring During Construction ...................................................................................... 21

3.4

Heavy Rainfall Response & Contingency Measures ......................................................... 21

3.5

Other Environmental Management Considerations ........................................................ 21

3.5.1.

Contamination.......................................................................................................... 21

3.5.2.

Dust Control ............................................................................................................. 22

3.6

Site Reinstatement .......................................................................................................... 22

4. Roles and Responsibilities, Training and Complaints Response ............... 23 4.1

Roles and Responsibilities ............................................................................................... 23

4.2

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

4.3

Complaints ...................................................................................................................... 23

Appendix A: ISCA Requirements ..................................................................... 24 Appendix B: ESCP Drawings ............................................................................ 25 Page 3

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Erosion and Sediment Control Plan – Karangahape Station

Appendix C: Record of CLG and Auckland Council Comments ........................ 26 C1. CLG Comments .......................................................................................... 26 C2. Auckland Council Comments ..................................................................... 26

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Erosion and Sediment Control Plan – Karangahape Station

1.

Introduction

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

This Erosion and Sediment Control Plan (ESCP) has been prepared in relation to construction of the new Karangahape Station (the Station).

Figure 1-1: CRL Route and Location

1.1

Karangahape Station

The Karangahape Station consists of two entrances, one at Beresford Square / Pitt Street and the other at Mercury Lane, linked together by platforms with two mined tunnels approximately 32m below Pitt Street. The Station will also comprise equipment rooms, ventilation systems and emergency egress at both Mercury Lane and Beresford Square / Pitt Street.

Given the nature and scale of the Karangahape Station construction, works will be undertaken in a staged manner, involving:   

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

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Erosion and Sediment Control Plan – Karangahape Station

1.2

ESCP Staging

To reflect the staged construction approach for the Karangahape Station, ESCPs will be developed in stages.

This ESCP addresses the Karangahape Station early works, which are described in detail in the Construction Environmental Management Plan (CEMP) and summarised in section 2 of this ESCP. ESCPs will also be prepared for the main construction works and the public realm reinstatement.

1.3

Purpose of the ESCP

This ESCP has been prepared to identify measures that will be implemented to mitigate and manage the potential adverse effects on the receiving environment from any erosion and sediment generation during the early works.

This ESCP has been prepared in accordance with Conditions 53-58, 65-73 and 166 of the CRL regional resource consent (land use consent R/LUC/2016/1890).

This ESCP forms part of the CEMP for the Karangahape Station early works.

The ESCP shall be read in conjunction with other relevant early works Delivery Work Plans (DWP) and Management Plans (MP) required by the designation and land use consent conditions.

The ESCP has been developed to enable consultation with and feedback from the Karangahape Community and Business Liaison Group (CLG) (as per resource consent Condition 19). A record of the consultation outcomes is provided in Appendix C of this ESCP.

1.4

Relevant Conditions

Table 1-1 identifies the resource consent conditions relevant to this ESCP and where they are addressed in the document.

Table 1-1 Relevant ESCP conditions and location in the Plan

Condition No.

Condition

Relevant ESCP section Land use consent R/LUC/2016/1890 conditions

53

At least 20 working days prior to the commencement of construction within a Construction Support Area (CSA) or ACZ, the Consent Holder shall submit to the Council (Team Leader Central Monitoring) for certification an ESCP which provides for the management of all bulk earthworks to minimise any discharge of debris, soil, sediment or sediment-laden water beyond the site to either land and/ or stormwater drainage systems.

This ESCP

54

The Consent Holder shall request the Council's (Team Leader Central Monitoring) determination as to whether the ESCP can be certified, in writing, within 10 working days of receipt of the ESCP. No construction activity shall commence until certification from Council is provided.

Noted

55

An ESCP shall include, but is not be limited to, the following matters:

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 identification of construction zones and construction support areas;

2.1 and 2.2

 specific erosion and sediment control works for each Active Construction Zone (location, dimensions, capacity supporting

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Erosion and Sediment Control Plan – Karangahape Station

Condition No.

Condition

Relevant ESCP section

calculations and design drawings), which should be in line with Industry Best Practice that will meet or exceed the performance of measures detailed in TP90;  catchment boundaries;

2.3

 the timing and duration of construction and operation of control works (in relation to the staging and sequencing of earthworks);

3 (and CEMP)

 details relating to the management of exposed areas;

3.2.3

 reference to the Flocculent Treatment Management Plan and confirmation of erosion and sediment control measures necessary to give effect to that plan;

Not required for early works

 reference to the Contaminated Soils Management Plan and confirmation of erosion and sediment control measures necessary to give effect to that plan; and

1.3 and 3.2.3

 monitoring and maintenance requirements, including information on complaint investigation and response procedures, training, and roles and responsibilities.

3.3, 3.4, 3.5, 4 (and CEMP)

56

Any change to an ESCP shall be submitted to the Council (Team Leader Central Monitoring) for certification.

1.6

57

The Consent Holder shall request the Council's (Team Leader Central Monitoring) written determination as to whether the proposed change can be certified, to be provided within 10 working days of submission of the change. No activity reliant upon a change to the ESCP can be undertaken until the change has been certified.

Noted

58

The Consent Holder shall comply with the ESCP for the duration of the earthworks associated with the Project.

Noted

65

Prior to the commencement of bulk earthworks, a certificate signed by a Senior Qualified Person shall be submitted to the Council (Team Leader Central Monitoring) to certify that the erosion and sediment controls (including diversion bunds, silt fences and sumps) have been constructed in accordance with the certified ESCP(s) as required by Condition 53 of this consent.

Noted

66

The certification from the Senior Qualified Person for these measures shall be supplied to the Council (Team Leader Central Monitoring) immediately upon completion of construction of those measures. Information supplied, if applicable, shall include:

Noted

 The contributing catchment area;  The shape of structure (dimensions of structure);  The position of inlets/outlets; and  The stabilisation of the structure.

67

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The Consent Holder shall ensure that there shall be no deposition of earth, mud, dirt or other debris on any road or footpath resulting from bulk earthworks on the subject site. In the event that such deposition does occur, it shall immediately be removed. In no instance, shall roads or footpaths be washed down with water without appropriate erosion and | Karangahape Station Early Works

3.2

Erosion and Sediment Control Plan – Karangahape Station

Condition No.

Condition

Relevant ESCP section

sediment control measures in place to prevent contamination of the stormwater drainage system, watercourses or receiving waters.

68

The operational effectiveness and efficiency of all erosion and sediment control measures specifically required as a condition of resource consent, including the certified ESCP referred to in Condition 53, shall be maintained throughout the duration of earthworks, or until the Project site is permanently stabilised against erosion.

3.3, 3.4, 3.5 and 3.6

69

The site shall be progressively stabilised against erosion at all stages of earthworks activity and shall be sequenced to minimise the discharge of contaminants to groundwater or surface water.

3.1 and 3.2

70

The Consent Holder shall ensure that the erosion and sediment control measures are constructed and maintained in accordance with TP90, except where a higher standard is detailed in an ESCP/FTMP, in which case the higher standard shall apply.

3

71

Sediment control measures shall be inspected on a weekly basis and after a significant storm event to ensure effective operation.

3.3

72

The Consent Holder shall ensure that all material removed from or delivered to the Project site shall be covered during transportation.

3.2.3

167

In the event that any CSA requires an increase in area, the following information shall be provided to the Team Leader – Central Monitoring whose certification shall be requested prior to implementation:

Noted

a. Plans and drawings outlining the details of the modifications; and b. Supporting information that confirms how the proposal does not affect the capacity or performance of the existing structural and procedural controls.

168

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The Consent Holder shall ensure that the following structural controls are constructed for the following catchment areas and design standards and they are completed prior to discharges commencing from the site: Works/ Controls Device Catchment Design Requirements Area 2 x Settlement Tanks located on CSA 4

Activity area of grout plant (400m2), and segment storage yard (2660m2) on CSA 4

Settlement Tanks sizing to be based on 2% of the contributing catchment

Inlet protection measures

On all catch pits within CSA areas

2 x Settlement Tanks located in CSA 1, CSA 2, CSA 3, CSA 4 and CSA 5 Bunding of Environmentally

All Active Construction Zone (ACZ)

Design in accordance with Auckland Council Best Management Practice: Catch pit Protection Area (AC 2015).

Settlement Tank sizing to be based on 2% of the contributing catchment

As required

110% largest container

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3.2.1, 3.2.4 and 3.2.5

Erosion and Sediment Control Plan – Karangahape Station

Condition No.

Condition

Relevant ESCP section

Hazardous Substances 169

In the event that any minor modifications to the structural system are required, the following information shall be provided to the Team Leader – Central Monitoring whose certification shall be requested prior to implementation: a. Plans and drawings outlining the details of the modifications; and

Noted

b. Supporting information that confirms how the proposal does not affect the capacity or performance of stormwater management system.

1.5

Sustainability

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

In some cases, the IS requirements and sustainability goals enhance the designation and consent requirements. Further detail on sustainability is provided in section 1.7 of the CEMP.

1.6

ESCP Review and updates

This ESCP is a live document that will be reviewed at least annually, or as a result of a material change to the project, or to address unforeseen erosion and sediment runoff effects arising from construction, or unresolved complaints. Any material changes to this ESCP must be certified by Auckland Council prior to any on-site activity reliant upon the change commencing (as per conditions 42 and 43 of resource consent). Refer to the CEMP for further detail on the review and updating process.

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Erosion and Sediment Control Plan – Karangahape Station

2.

Karangahape Early Works

2.1

Overview of Works

Early works will be undertaken at the new Karangahape Station site to enable and provide for the subsequent main construction works. The early works are detailed in the CEMP. An overview of the works is provided in Table 2-1.

Table 2-1: Overview of Karangahape Early Works

Works location

Overview of construction activities

Beresford Square / Pitt Street

 Relocation of network utilities located within the footprint of the new Karangahape Station in Beresford Square / Pitt Street;  Removal of street trees and the demolition of the café / toilet in Beresford Square;  Establishment of the Beresford Square Construction Support Area to provide site offices, construction vehicle parking, laydown areas and storage of plant and equipment etc.;  Closure of Beresford Square to vehicle traffic (other than construction traffic) while retaining pedestrian and cycle access; and  Removal of existing street furniture where required, such as seating and street lighting (to be replaced with temporary lighting).

Mercury Lane

 Relocation of network utilities located within the footprint of the new Karangahape Station in Mercury Lane; and  Establishment of the Mercury Lane Construction Support Area to provide site offices, construction vehicle parking, laydown areas and storage of plant and equipment etc.

It should be noted that the demolition of buildings and above ground structures within the Mercury Lane Construction Support Area is authorised by the CRL Enabling Work Outline Plan – Karangahape Road Demolition Works (Auckland Council reference OPW60339200), confirmed in June 2019, and does not form part of this ESCP.

2.2

Earthworks

Earthworks associated with the Karangahape Station early works will largely comprise:   

Excavation associated with network utility relocations (involving open trenching using excavators and hydro vac trucks) and directional drilling; Contouring to establish the two Construction Support Areas (CSAs); and Construction of the temporary working platform in the Mercury Lane CSA.

The approximate earthwork areas and volumes required for the early works are outlined in Table 2-2.

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Erosion and Sediment Control Plan – Karangahape Station Table 2-2 Approximate Earthwork Areas and Volumes

Construction Works Area

Approx. Area m2

Approx. Volume m3 350 m3

Pitt Street Stage 1

250 m2

Pitt Street Stage 2

100 m2

150 m3

Pitt Street Stage 3

410 m2

820 m3

Pitt Street Stage 4

100 m2

150 m3

Beresford Square CSA establishment

1,880 m2

1,800 m3

Total Beresford Square / Pitt Street

2,740 m2

3,270 m3

Mercury Lane Stage 1 Mercury Lane Stage 1A Mercury Lane Stage 2 Site Establishment (including retaining wall and temporary working platform construction) within CSA Mercury Lane CSA (including offices, laydown areas, temporary retaining structure, spoil surge piles and settlement pond) Total Mercury Lane Total for Karangahape Station early works

80 m2 50 m2 320 m2 1,590 m2

400 m3 300 m3 1,600 m3 3,090 m3

5,120 m2

9,870 m3

7,160 m2 9,900 m2

15,260 m3 18,530 m3

Beresford square / Pitt Street

Mercury Lane

Refer to section 2.2.1 of the CEMP for a detailed breakdown of the earthwork areas and volumes.

2.3

Topography and Drainage

Karangahape Station contributes to two separate catchments, with Karangahape Road forming the boundary between the two catchments.

Pitt Street and Beresford Square drain to north of Karangahape Road into an existing stormwater system, eventually discharging to the Waitemata Harbour by the Central Business District area.

There are no flood sensitive areas or major overland flow paths identified in the early works area (refer Figure 2-1). The slopes in this area range from 1.5% to 2.7%.

Mercury Lane drains to a different catchment south of Karangahape Road and into an existing stormwater system, eventually discharging to the Waitemata Harbour by Meola Reef Reserve. There are no flood sensitive areas identified in the early works area, but overland flow paths are located along Mercury Lane (refer Figure 2-2). The slope in this area is approximately 9.5%.

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Erosion and Sediment Control Plan – Karangahape Station

Karangahape Rd

Figure 2-1 Overland Flow Paths and Flood Sensitive Areas in Beresford Square and Pitt Street (Source: Auckland Council Geomaps)

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Erosion and Sediment Control Plan – Karangahape Station

Figure 2-2 Overland Flow Paths and Flood Sensitive Areas in Mercury Lane (Source: Auckland Council Geomaps)

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Erosion and Sediment Control Plan – Karangahape Station

3.

Erosion and Sediment Control and Management

Erosion and sediment control measures will be designed, installed and maintained in accordance with Auckland Council “Erosion and Sediment Control Guide for Land Disturbing Activities in the Auckland Region”, Guideline Document 005 (GD05). It is noted that GD05 has superseded Auckland Council Technical Publication 90 (TP90) “Erosion and sediment control guidelines for land disturbing activities in the Auckland Region”, which is referred to in the consent conditions.

3.1

Key Principles

Key erosion and sediment control principles applicable to the early works are as follows: 

Selection of construction methodologies and staging of construction to limit the duration and area of earthworks exposed to erosion at any given time.

Minimise the total area of disturbance by keeping the area of earthworks to a minimum and progressive stabilisation of exposed areas.

Avoidance of overland flow paths where practicable.

Protection and stabilisation of steep slopes using clean water diversion bunds (CWD), and vegetative covers.

Stabilisation of exposed surface areas as soon as practicable. This may include one or more of the following measures:

   

 

  

Application of granular material, straw mulch, hydro-seeding or grassing (either temporarily or permanently).

Installation of downslope perimeter controls or diversions around and within the construction area, to detain and treat sediment laden runoff and prevent contamination of the existing stormwater system and receiving environment.

Use of silt fences around the construction area as required to trap sediment laden runoff.

Adoption of specific construction practices within the construction area to minimise sedimentation generation during trenching.

Regular inspection and maintenance of sediment control devices.

3.2

Erosion and Sediment Control Measures

3.2.1.

General ESC Measures

Erosion and sediment control measures (ESCM) will be installed by the Contractor prior to the start of any vegetation clearance, site set up or earthworks. The mitigation measures will remain in place until reinstatement of active working areas is complete. ESCM identified in Table 3-1 can be implemented throughout the construction area. All ESCMs shall be designed and maintained in accordance with GD05.

Table 3-1 General Erosion and Sediment Control Measures

ESCM

Application

Catchpit/ Stormwater inlet protection



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

Cover catchpit grates and inlets with geotextile to filter sediment laden runoff before discharge into the stormwater network; or Other proprietary catchpit protection systems, such as silt/filter sock, sand logs, coir logs and hay bales.

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Erosion and Sediment Control Plan – Karangahape Station ESCM

Application

Diversion channel/bund

  

Filter socks

  

Sand logs/coir logs/hay bales



Dewatering (if required)



Settlement Tanks

 

  

Truck Wash and/or Shaker Ramp

   

3.2.2.

Filter socks can be used to intercept and impound runoff before it enters a catchpit or other stormwater inlet.

Can be used to reduce the velocity of runoff flows within a channel, as a check dam.

Contain and impound discharges from pumped stormwater or concrete washwater (as a turkey nest to promote settlement).

Use in carriageway to divert clean water from construction site where there is steep terrain uphill or unfavourable carriageway crossfall.

Dewatering devices will be used to pump out any water that collects within open trenches or excavation areas or for sediment control devices for maintenance.  A minimum of 100mm water clarity is required to pump out of the works area.

The water shall be pumped to settlement tanks or to a tanker and removed offsite.

Refer to the Groundwater and Settlement Monitoring and Contingency Plan (GSMCP) for further detail on groundwater levels within the early works area.

 Stabilised entrance and surface

Install to divert runoff from external catchments entering construction areas or for conveyance of sediment laden runoff within construction areas.

Hotmix diversion bunds can be used where kerb and channels have been removed or on impervious surfaces.

Diversion bunds must have sufficient capacity to carry the flow safely from a 5% annual exceedance probability (AEP) storm, with 300mm freeboard, in accordance with GD05.

Settlement tank sizing is based upon 2% of the exposed area.

Water quality standards must be met before discharging to an existing stormwater inlet, where by pH ranges is between 5.5 to 8.5 and clarity is greater than 100mm.

Use available machinery to hydrovac the settlement tanks when full, then the sediment-laden runoff is to be disposed offsite.

Install at egress points for construction outside of the carriageway.

Any cut or exposed surfaces within the construction area can be stabilised with aggregates.

All aggregates should comply with minimum thickness of 150mm with 50-150mm washed aggregate sizing.

Any shaker ramps installed should be 5m in length (minimum) to allow for at least one full revolution of a truck tyre.

Shaker ramps will need to be placed at the exit and any runoff from the shaker ramp area (including or excluding wheel-wash system) must pass through an appropriate sediment retention device.

Localised wheel wash shall be provided where impracticable to install entry and exit stabilised entrances.

Truck wash shall connect to a settlement tank or similar retention device to be disposed offsite.

Asphalt Works and Concrete Pumping / Pouring

The environmental risk of concrete or asphalt works is high, and it is recommended that drainage channels are completely isolated during these works. If this is not practicable, careful placement of sandbags or bunds should be implemented.

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Erosion and Sediment Control Plan – Karangahape Station Other recommended controls are:  Delay concreting works when bad weather is forecast, if practicable.  Minimise the volume of water used on site (e.g. in dust suppression, concrete cutting) so there is less to control.  Use concrete saws that can have a vacuum attached to minimise the amount of dust produced during cutting, OR use a wet/dry vacuum, to collect all concrete or asphalt contaminated material or runoff on site.  If the above is not practical, divert all runoff to the construction pit/ trench or unsealed ground, away from overland flow paths. Runoff or wash water contaminated with concrete fines / dust is highly alkaline and cannot be diluted, therefore, all captured runoff from concrete cutting and/or cement mixing must be treated or disposed off-site.  Wash all equipment and tools in a designated site wash out area.  Do not allow concrete trucks or concrete pumpers to wash out on site unless there is a designated wash area.  Use tarpaulin sheets under concrete pumps and delivery chutes to capture any spills.

3.2.3.

Erosion and Sediment Source Control

The erosion and sediment source controls listed in Table 3-2 have been identified as applicable to all of the early works area. This includes CSAs and work zones identified in stages for utilities relocation and site clearance.

Table 3-2 General source control measures applicable to the works area for elimination and/or minimisation of erosion and sediment generation

Source/Activity

Source Control Measure

General site management

    

Soil Management & Stockpiles

     

Sediment transport due to runoff from external catchments entering the construction site Page 16

 

Ensure overland flow paths are unobstructed and stabilised (if required), if practicable.

Check the weather forecast and plan accordingly if there is to be heavy rainfall/wind; Stabilise work areas with high sediment generation potential as soon as practicable by placing geotextile and covering with clean hardfill or other approved method; Regularly sweep or remove any accumulated sediment associated with the works; Dampen dusty exposed working areas to minimise wind distribution of sediments.

Soil removal using hydrovac will be disposed of at an approved off-site facility.

All soil removed should be placed in covered trucks for off-site transport.

Stockpiles are to be in construction areas serviced by ESCMs only.

Stockpiles of fine material shall be dampened or covered to reduce the potential for windblown sediments or the generation of sediment laden runoff (refer to the AQ DWP for detail on stockpile management).

Stockpiles shall be located away from overland flow paths.

Any hazardous construction materials shall be stored in an isolated and bunded area in accordance with the CEMP. Construct diversion bunds/channel to divert runoff from external catchments entering land disturbance sites; and Use clean water diversions (e.g. sandbags, compacted earth, bund) where there is steep terrain uphill of the works area to reduce the volume of water requiring management.

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Erosion and Sediment Control Plan – Karangahape Station Source/Activity

Source Control Measure

Open trench work

 



Erosion due to runoff travelling over reinstated ground

3.2.4.



Cut and Cover methodology shall be adopted. Backfill and compact trenches as soon as possible in an immediate and progressive manner; Exposed areas shall be stabilised as soon as possible and at the end of each day’s operations. This can include aggregate for carriageway and footpath areas and topsoil, seed and mulch/geotextile for landscaping and berm areas.

Dewatering of trenches and/or excavations must be pumped to a retention device (settlement device) and using a hydrovac to be disposed of at an appropriate off-site location.

Do not remove ESCMs until the reinstatement of active working areas is established.

Beresford Square / Pitt Street

The section details erosion and control measures that will be implemented for construction work within Beresford Square and Pitt Street (tree removal, café/toilet demolition, excavation of service trenches, network utility relocation and CSA establishment).

3.2.4.1

Beresford Square Construction Support Area

The Beresford Square CSA footprint and ESCM are shown on the ESCP Drawings provided in Appendix B. The following erosion and sediment controls will be implemented during the works: 





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Diversion bund to divert clean water away from the construction zone to a stormwater inlet and dirty water to a settlement tank. Clean water and dirty water diversion (CWD and DWD) must have sufficient capacity to carry the flow safely from a 5% annual exceedance probability (AEP) storm.

Stabilised entrance will be provided at the entrance/exit level to Beresford Square where practicable. The truck exit area shall have a shaker ramp installed so that sediment is not transported out of the construction area. The shaker ramp shall have adequate teeth depth so that material dropped from one vehicle is not picked up by the next. Sediment laden water from the shaker ramp/wash area will be diverted to a sediment retention facility at the northern corner of the CSA. Where it is not practicable to implement these control measures, the minimum requirement will be the provision of a localised wheel wash or shaker ramps for trucks, with a temporary holding tank positioned within the CSA to capture runoff.

A settlement tank will be placed in the northern corner of Beresford Square CSA to service the wheel wash for the trucks as well as runoff within CSA. The settlement tanks will be emptied using hydro-excavation when full and the sediment-laden runoff will be disposed of at an appropriate off-site location. Two in-line settlement tanks are proposed, designed to service at minimum 2% of the contributing catchment area with tank sizing outlined in Table 3-3.

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Erosion and Sediment Control Plan – Karangahape Station Table 3-3 Settlement Tank Sizing for Beresford Square CSA

Stage Number

Settlement Tank / Sediment Retention

Contributing Catchment Area (m2)

Minimum Settlement Tank Volume (m3)*

Beresford Square CSA

(Sediment Retention) SR containing 2 in-line tanks (included in the water treatment area)

1,880 m2

37.6m3

* Minimum volume for settlement retention device is calculated as 2% of the contributing catchment area.

3.2.4.2

Beresford Square / Pitt Street Stages 1 and 2

Beresford Square / Pitt Street Stage 1 and 2 works footprint and ESCM are shown on ESCP Drawings in Appendix B. The proposed erosion and sediment controls that will be implemented during these works are as follows: 

Inlet protection will be required at each stormwater catchpit within the works area which discharges into the existing stormwater network at one existing catchpit (CP1) by Beresford Square Bar Restaurant.

Diversion bund to divert clean water away from the construction zone to a stormwater inlet and dirty water to a settlement tank. Clean water and dirty water diversion (CWD and DWD) must have sufficient capacity to carry the flow safely from a 5% annual exceedance probability (AEP) storm.

The settlement tanks will be emptied using hydro-excavation when full and the sedimentladen runoff will be disposed off-site at an appropriate location. The settlement tanks have been sized to service at minimum 2% of the contributing catchment area. Tank sizing for each stage can be found in Table 3-4.





Table 3-4 Settlement Tank Sizing for Beresford Square / Pitt Street Stages 1 and 2

Stage Number

Settlement Tank / Sediment Retention

Contributing Catchment Area (m2)

Minimum Settlement Tank Volume (m3)*

Stage 1

SR1

250 m2

5 m3

Stage 2 (Silt sock)

SR2

100 m2

2 m3

* The recommended tank volume applies to the total area of each stage. ** Open Excavation Area is based on a trench width provided by the contractors, 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

3.2.4.3

Beresford Square / Pitt Street Stages 3 and 4

Beresford Square / Pitt Street Stage 3 and 4 works footprint and ESCM are shown on the ESCP Drawings in Appendix B. The proposed erosion and sediment controls that will be implemented during these works are as follows: 

Inlet protection will be required at each stormwater catchpit within the works area which discharges into the existing stormwater network:  

Page 18

One existing catchpit (CP1) by Beresford Square Bar Restaurant; One existing catchpit (CP2) in front of 61 Pitt Street;

| Karangahape Station Early Works

Erosion and Sediment Control Plan – Karangahape Station    

One existing catchpit (CP3) in front of 259-281 Karangahape Road; One existing catchpit (CP4) in front of 22-28 Beresford Square; and One existing catchpit (CP5) in front of 15 Beresford Square.

Diversion bund to divert clean water away from the construction zone to a stormwater inlet and dirty water to a settlement tank. CWD and DWD must have sufficient capacity to carry the flow safely from a 5% AEP storm.

Settlement tanks will be emptied using hydro-excavation when full and the sediment-laden runoff will be disposed off-site at an appropriate location. The settlement tanks have been sized to service at minimum 2% of the contributing catchment area. Tank sizing for each stage can be found in Table 3-5. SR4A, SR4 and SR5 refer to silt socks depicted in the drawings in Appendix B of this ESCP.



Table 3-5 Settlement Tank Sizing for Beresford Square / Pitt Street Stage 3 and 4

Stage Number

Settlement Tank / Sediment Retention

Contributing Catchment Area (m2)

Minimum Settlement Tank Volume (m3)*

Stage 3

SR3

410 m2

8.2 m3

Stage 4

SR4

100 m2

2 m3

* Minimum volume for settlement retention device is calculated as 2% of the contributing catchment area.

** Open Excavation Area is based on a trench width provided by the contractors, 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

3.2.5.

Mercury Lane

This section details the erosion and control measures that will be implemented for the Mercury Lane construction works, being the excavation of service trenches, network utility relocation, reinstatement of pavement and establishment of the Mercury Lane CSA.

3.2.5.1 Mercury Lane Construction Support Area and Site Establishment The Mercury Lane CSA footprint and ESCM are shown on the ESCP Drawings in Appendix B of this ESCP. The following erosion and sediment controls will be implemented during the works: 





Page 19

Diversion bund to divert clean water away from the construction zone to a stormwater inlet and dirty water to a settlement tank. CWD and DWD must have sufficient capacity to carry the flow safely from a 5% AEP storm.

Stabilised entrance will be provided at the entrance/exit level to the CSA where practicable.

The truck exit area shall have a shaker ramp installed so that sediment is not transported out of the construction area. The shaker ramp shall have adequate teeth depth so that material dropped from one vehicle is not picked up by the next. Sediment laden water from the shaker ramp/wash area will be diverted to a sediment retention facility in the north-western corner of the CSA. Where it is not practicable to implement these control measures, the minimum requirement will be the provision of a localised wheel wash or shaker ramps for trucks, with a temporary holding tank positioned within the CSA to capture runoff.

Two in-line settlement tanks will be placed in the south-western corner of the Mercury Lane CSA to service the wheel wash for the trucks as well as runoff within the CSA. The settlement tanks will be emptied using hydro-excavation when full and the sediment-laden runoff will | Karangahape Station Early Works

Erosion and Sediment Control Plan – Karangahape Station be disposed off-site at an appropriate location. The settlement tanks will be designed to service at minimum 2% of the contributing catchment area with tank sizing outlined in Table 3-6.

Table 3-6 Settlement Tank Sizing for Mercury Lane CSA

Stage Number

Settlement Tank / Sediment Retention

Contributing Catchment Area (m2)

Minimum Settlement Tank Volume (m3)*

Mercury Lane CSA

SR containing 2 in-line tanks (included in the water treatment area)

6,710 m2

134.2 m3

+ Site Establishment

* Minimum volume for settlement retention device is calculated as 2% of the contributing catchment area.

3.2.5.2

Mercury Lane Stages 1, 1A and 2

Mercury Lane Stages 1, 1A and 2 works footprint and ESCM are depicted in ESCP Drawings attached in Appendix B of this ESCP. The proposed erosion and sediment controls that will be implemented during these works are as follows: 

Inlet protection required at each stormwater catchpit which discharges into the existing stormwater network.  





One existing catchpit (CP1) in front of 9A Mercury Ave; and Three existing catchpits (CP2, CP3 & CP4) by Mercury Lane and Cross Street intersection.

Diversion bund to divert clean water away from the construction zone to a stormwater inlet and dirty water to a settlement tank. CWD and DWD must have sufficient capacity to carry the flow safely from a 5% AEP storm.

The settlement tank will be emptied using hydro-excavation when full and the sedimentladen runoff will be disposed at an appropriate off-site location. The settlement tanks have been sized to service at minimum 2% of the contributing catchment area. Tank sizing for each stage can be found in Table 3-7. Note: SR2 refers to silt socks depicted in the drawings in Appendix B of this ESCP.

Table 3-7 Settlement Tank Sizing for Mercury Lane Stage 1,1A and 2

Stage Number

Settlement Tank

Contributing Catchment Area (m2)

Minimum Settlement Tank Volume (m3)*

Stage 1

SR1

80 m2

1.6 m3

Stage 1A

SR1A and silt sock

50 m2

1 m3

Stage 2

SR2 (silt socks)

320 m2

6.4 m3

* Minimum volume for settlement retention device is calculated as 2% of the contributing catchment area.

** Open Excavation Area is based on a trench width provided by the contractors, 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

Page 20

| Karangahape Station Early Works

Erosion and Sediment Control Plan – Karangahape Station

3.3

Monitoring During Construction

All site-specific erosion and sediment control measures will be inspected on a weekly basis and after rainfall events by the Link Alliance. Inspection will include, but will not be limited to, the requirements outlined in Table 3-8.

Table 3-8 Monitoring Requirements for ESCM

Erosion and Sediment Control Catchpit / Stormwater Inlet Protection

Inspection/Maintenance Requirements

Frequency



Check for damage, blockages and leaks – repair immediately.

Remove accumulated sediment immediately.

Daily, before & after rainfall

Check for scour and areas where a breach may or has occurred – repair immediately.

Remove sediment build up deposited in the DWD channel.

Check for low spots, formation of gullies or debris – repair immediately.

Weekly & after rainfall

 Clean & Dirty Water Diversion Bunds and Channels

  

Settlement Tanks



Check if the tank is full, then empty using hydrovac and the sediment-laden runoff to be disposed offsite.

Weekly & after rainfall

Stabilised Entranceway and Surface



Check quantity of aggregate and geotextile for sediment build up and deterioration – apply more aggregate as required.

Check aggregate thickness and if not GD05 to specification then apply more aggregates or change as required.

Weekly & after rainfall

Check for any structure used to trap runoff and clean it out.

Add further aggregate as necessary if aggregate thickness is not to specification or mud blockage is evident.

Weekly & after rainfall



Truck Wash and/or Shaker Ramp

 

3.4

Heavy Rainfall Response & Contingency Measures

The Karangahape early works are planned to extend over five months, between October 2019 and March 2020.

High intensity rainfall events can occur during the summer months as well as prolonged rain events during winter months. The Link Alliance shall monitor weather forecasts, inspect all erosion and sediment control measures for adequacy, and undertake any remedial works required prior to forecasted rain events.

3.5

Other Environmental Management Considerations

3.5.1.

Contamination

The majority of spoil from the early works will likely meet clean fill classification (refer to the Contamination Delivery Work Plan (CDWP) in Appendix O of the CEMP).

Page 21

| Karangahape Station Early Works

Erosion and Sediment Control Plan – Karangahape Station During all land disturbance activities site staff will actively monitor active works areas for the conditions/materials specified in the CDWP. The CDWP outlines the measures to be implemented if suspected contaminated material is discovered.

3.5.2.

Dust Control

Land disturbance activities shall be undertaken in accordance with the AQ DWP (Appendix I to the CEMP) in order to minimise the potential for dust generation.

3.6

Site Reinstatement

Decommissioning of ESCM shall only occur once the active works areas are permanently stabilised.

Due care will be taken during the removal process so as not to mobilise any sediment.

Page 22

| Karangahape Station Early Works

Erosion and Sediment Control Plan – Karangahape Station

4. Roles and Responsibilities, Training and Complaints Response 4.1 Roles and Responsibilities The key management roles in relation to environmental management during construction are outlined in the Project CEMP. However, all site personnel will be responsible for following the requirements of this ESCP during the early works.

4.2 Training All site staff will undergo general environmental awareness training and training about their responsibilities relating to this ESCP. Training requirements are described in detail in the CEMP. Specific training requirements relating to this ESCP are outlined in Table 4.1.

Table 4.1: ESCP training requirements

Training requirements

Frequency

Attendance

Training on ESCP requirements and resource consent conditions.

As required and during new staff induction

All new site staff

Tool box meetings on site to include erosion and sediment control as a standard agenda item.

Weekly tool box meetings, or as required (e.g. start of new substantial activity)

All site staff

Construction, maintenance and inspections of erosion and sediment control devices

As required

Site supervisors and staff site with erosion and sediment control management responsibilities

4.3 Complaints Any complaints received during the early works shall be recorded and promptly investigated to identify and resolve the cause of the complaint in accordance with the complaints response protocol detailed in the early works Communication and Consultation Plan.

Page 23

| Karangahape Station Early Works

Erosion and Sediment Control Plan – Karangahape Station

Appendix A: ISCA Requirements Table A identifies the ISCA Credit Requirements relevant to this ESCP and where they are addressed in the CEMP. Further details regarding the specifics of the evaluation and means of achieving the relevant targets is provided in the relevant sub-plans and other relevant documents.

Table A: ISCA Requirements Credit

Relevant section of the ESCP

Requirement *

Other Relevant Information / Comments

Receiving Water Quality DIS-1 Level 1

Measures to minimise adverse impacts to receiving wai environmental values during construction and operation have been identified and implemented. These measures demonstrate an awareness of the values of wai ora and its Mauri, and opportunity for mana whenua feedback has been provided and where practicable incorporated into these measures.

AND Monitoring of wai discharges and receiving wai is undertaken at appropriate intervals and at times of discharge during construction.

DIS-2 Level 2

Monitoring and modelling of wai discharges and receiving wai demonstrates no adverse impact on receiving wai environmental values.

The infrastructure does not increase peak stormwater flows for rainfall events of up to a 1.5 year ARI event discharge

DIS-3 Level 3

Opportunities to improve receiving wai environmental values have been identified and implemented.

Monitoring and modelling demonstrates improvement of receiving wai environmental values

Section 3.2, 3.3, 3.5

Section 3.3, 3.4

Section 3

* Refer to ISCA Rating Tool for full details of the requirement

Page 24

| Karangahape Station Early Works

Also refer to the Emergency Spill Response Plan, Contamination Delivery Work Plan and the Groundwater and Settlement Monitoring and Contingency Plan

Also refer to the Sustainability Ratings Management Plan

Erosion and Sediment Control Plan – Karangahape Station

Appendix B: ESCP Drawings

Page 25

| Karangahape Station Early Works

VG

.0 63

VG

SW

T

N

VG

SW

T

.0

PITT ST SW

SW

SW

SW

VG

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SW

SW

SW

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LEGEND:

SW

SW

VG

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T

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T

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N SW

S SW

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S

FO

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S

C

C FO

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S S S

SW W VG

S S FOC

W

S SW FOC VG

SW

S SW FO C VG

S

WASTEWATER

SW

STORMWATER

W

POTABLE WATER

VG

VECTOR GAS

FO

VECTOR COMMS FO

VE

VECTOR ELEC

T

VODAFONE

C

CHORUS

CL

CITYLINK

STORMWATER

SW

258

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D

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PE R

268

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AHA

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ANG KAR

270

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C

FO

EXISTING

SW

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FO

S S W SW VG C

FO

C

C FO

S S S W SW VG

C FO

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256

SW

W

S S S SW VG C

SW FO VG C

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S S

S

PROPOSED

FO

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S

W

S S S S S S

4-6

FOC

S S S SW W VG

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S S S SW S W FO C V W G

S FO V W CG

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278

16-18

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DIRTY WATER DIVERSION

SETTLEMENT TANK

C

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CLEAN WATER DIVERSION BUND

> SILT SOCK UTILITIES LEGEND:

W SW VG C

S

STABILISED ENTRANCE

> >

SW INLET PROTECTION

267-281

FCO

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S SW VGW

S S

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VG C

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PEDESTRIAN ACCESS ROUTES

8-10

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63.0

SW

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TREE REMOVAL

S

61-65

CP1 WILL HAVE FILTER SOCK OR SIMILAR MECHANISM TO PROVIDE FILTRATION AND STORMWATER INLET PROTECTION

SW

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259-261

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Last saved by: JOSEPH.DELATORRE(2019-09-12) Last Plotted: 2019-09-12 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000001

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SETTLEMENT TANK TO BE EMPTIED WHEN FULL AND DISCHARGED OFFSITE

VG

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

S

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

2

0

4

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCP AND CEMP.

8m

SCALE 1:200 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

10

20

30

40

50

60

CREATOR ID : CRL_KRD_390_00_LKA_SKE_000001 70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

ISO A1 594mm x 841mm

65

64 .0

.0

62 .0

61

PITT ST

KEY PLAN

EROSION AND SEDIMENT PITT STREET - STAGE 1 SHEET 1 OF 1 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000001

REVISION

A

N

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N

ISO A1 594mm x 841mm

KEY PLAN

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LEGEND: WORK ZONE

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PEDESTRIAN ACCESS ROUTES VG

EXISTING CRL DESIGNATION BOUNDARIES

ESCP LEGEND:

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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T SW

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AHA ANG KAR

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FCO

S FOC SWW VG

S

256

NOTES:

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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. 3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCP AND CEMP.

SW FO

SW

CITYLINK

C FO

S SS W SW VG

S SS S W FOC V W G

FOC

S SS SW W VG

SW

S FO V W CG

S SS W

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4. ALL AREAS ARE INDICATIVE ONLY. 290

SCALE

SIZE

AS SHOWN

A1

DESIGNED REVISIONS

100mm

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90

CHORUS

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S SW VGW S

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SS S S

S

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SS

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267-281

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278

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VECTOR COMMS FO

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270

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VG

FO

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259-261

12-14

S S S SW S W FO C V W G

SW SW

SW SW SW SW SW SW

S

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CREATOR ID : CRL_KRD_390_00_LKA_SKE_000002

POTABLE WATER

C FO

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W

S

S SS W SW VG

SW

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W

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VG C

W T

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VE

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VGC

S

VG

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VE

W

VG C

S S

SS

VE W

VG C

C VG

W VE

C VG

S SW

WASTEWATER

S W

8-10

SW

SW

246-254

STORMWATER

SW

258

SW

SW

EXISTING STORMWATER

SW

4-6

SW

30

PROPOSED

SW

20

> UTILITIES LEGEND: SILT SOCK

243

SW

10

T

VE

SETTLEMENT TANK

S

SW

SW

SW

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

COMPANY NUMBER : 6267870

SW

S

61-65

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

S

SW SW

SW SW SW SW

SW

VE C

VEW

VG VE

C

VG

VE W VE

C

VE W

SW SW

SW

0

62.

SCALE 1:200

S

249

SW

8m

SS

SW

SQ OR D

RE SF BE

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C

W VE

VG

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VE

VG C

VW E

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VE C

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4

15-25

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T

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VE VEW

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C VG

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W VE

VE

Last saved by: JOSEPH.DELATORRE(2019-09-12) Last Plotted: 2019-09-12 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000002

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DIVERTED DIRTY WATER WILL BE FILTERED THROUGH SILT SOCKS, OR EQUIVALENT METHOD, BEFORE BEING RELEASED TO KERB AND CHANNEL

SW

S

T

SW VG

C W

VG

S W

59

VG

S SW

SW

SW

SW T

SW

SW INLET PROTECTION

S

C

C

VG

SW

VG SW T

SW

DIRTY WATER DIVERSION

SW

SW

VG SW T

S

SW

C SW

SW T

S

T

SW

W

SW

W

SW

S

C

SW

S

VG

CLEAN WATER DIVERSION BUND

SW

SW SW

S

SW

SW

SW

SW

SW

SW

W

PITT ST

SW

STABILISED ENTRANCE

> >

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

PE R

SW

VG

SW

VG

SW

T

SW

VG

SW SW

SW

SW

T

SW

SW

SW

SW

SW

SW

SW

SW

61 .0

PITT ST

EROSION AND SEDIMENT PITT STREET - STAGE 2 SHEET 1 OF 1 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000002

REVISION

A

SW

SW

SW

T

N

SW

VG

SW

T

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

VG

SW

T

SW

SW

SW

SW

SW

SW

SW S

SW

FO C

S

S W VG SW

S

S

S

C FO

S S

W VG SW

S S

S

C FO 4-6

SW

FCO

D

SW

FOC

S

SW

PE R

FO

S C VG W

8-10

AHA

W

S

S

S C VG W

S W S S S FO C VG SW W

S S

VG SW W

S

VG SW W

S

S

243

SW SW

KAR

FO

ANG

249

FO

S S S V W S CG W

S S S

268

259-261

SW

12-14

FO

SW

W VGSW

C

S S S

270

C FO

SW

S

SW

VGSWW

S

61-65

FOC

SW

VGSW W

LEGEND:

16-18

SW

FO C

C V SW G W

FO

SW

S S W

S

SW

CVGSW

S

S

W

ESCP LEGEND:

VGSW C

S

FO

S

EXISTING CRL DESIGNATION BOUNDARIES

FO

FO

284

W

STABILISED ENTRANCE

> >

FO

S

PEDESTRIAN ACCESS ROUTES

267-281

SW SW

W

278

WORK ZONE

FO

SW TS

SW

S S C VGSW S W

SW SW

VEVE

C

VEVE

T

C

T VEVE

W

W

S

T

W SW

W

SW

VG

S

VEVE

W

W

SW

SW

SW

S VG

C

T VEVE

SW

VG C

S

VG

T VEVE

SW S

VG C

S

S

S

SW

S

S

SW

VG VGC

S S

S

W VVEE

SW

W

S

SW

SW

FCO

VGSWW

S

S

SW

VG C

SW

W

S

S

S

SW

T

S

SW SW

SW SW

SW SW

SW

SW SW

SW

SW WSWS SW S S S VG W C W S FO S S S VG W S C W FO S S S VG W S C W

SW

C SW VG

VVEE W

C SW VG

VVEE W

W

SW VGC

VVEE W

SW VG C

VVEE

SW VG C

W C

VVEE W

SW VG

C

W SW VG

C

S

SW

VVEE

S

SW

SW

SW

VVEE

S SW

SW

VVEE

SW

SW

62.

CLEAN WATER DIVERSION BUND DIRTY WATER DIVERSION SW INLET PROTECTION

SW

0 SW

SW

290

SETTLEMENT TANK SW

SW

PROPOSED

SW

S SW

SW

0 61.

> UTILITIES LEGEND: SILT SOCK

SW

S

SW

S

S SW

T W VG SW

SW

C

C

SW

SW

64.0

63.0

15-25

SW

S

SW

S

SW VG C

W C

W VVEE C

SW V G

VVEEW C

SW V BE G RE SF OR D SQ

VVEEW

C

SW V G

VVEE W C SW V G

VVEE W

SW SW

2

SW

SW

S

SW

SW

SW SW

1-7

Last saved by: JOSEPH.DELATORRE(2019-09-13) Last Plotted: 2019-09-23 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000003

SW

SW

SW V G

W VVEE

SW VG

W VVEE

SW

S

T

SW

55

W

59

47

S VG SW

T

W VG SW C

SW

SW

SW

S VG SW T

SW T

FO

SW

C

SW

S

W C

SW

SW

VG

SW

C

SW

W

SW

VG

SW

SW

SW

T

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

VG

T

SW

PITT ST

SW

N

SW

VG

.0

ISO A1 594mm x 841mm

63

SW

.0 65

SW

64 .0

62 .0

61 .0

PITT ST

FILTER SOCK OR LOGS CAN BE USED TO FILTER SEDIMENT AND TO THEN DISCHARGE TO AN EXISTING CP DOWNSTREAM

KEY PLAN

EXISTING

SW

STORMWATER

S

WASTEWATER

SW

STORMWATER

SW 283-287

S

SW SW

SW

SW

S

SW

SW

SW

SETTLEMENT TANK TO BE EMPTIED WHEN FULL AND DISCHARGED OFFSITE

SW

SW

VECTOR COMMS FO

VE

VECTOR ELEC

T

VODAFONE

C

CHORUS

CL

CITYLINK

292-300

SW

SW

SW

SW

SW

SW

SW

SW

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

W

ST

5

VECTOR GAS

FO

NOTES:

UN 0

POTABLE WATER

SW

SW

SW

SW 295

SW

SW

SW

SW

TO PE HO 2.5

W VG

22-28

2. STABILISED ENTRANCEWAYS ARE REQUIRED AT ANY ENTRY OR EXIT POINT OF A CONSTRUCTION SITE. 3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCP AND CEMP.

10m

SCALE 1:250 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_KRD_390_00_LKA_SKE_000003

0

10

20

30

40

50

60

70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

EROSION AND SEDIMENT PITT STREET - STAGE 3 SHEET 1 OF 1 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000003

REVISION

A

CL

CL

N

CL

CL

ISO A1 594mm x 841mm

KEY PLAN

.

63

0

.0 T

SW

VG

T

.0 65

N

SW

VG

CL

.0

64

62

61 .0

PITT ST

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

WORK ZONE

W

S

SW

SW

FO

S S

W VG SW C

C FO

VG SW W

> SILT SOCK UTILITIES LEGEND: 256

PROPOSED SW

FCO

SW

FOC

VG SW W

S S S W S S S FO C VG SW W

SW

FO S C VG W

S

246-254

DIRTY WATER DIVERSION

EXISTING

SW

STORMWATER

S

WASTEWATER

SW

W

POTABLE WATER

VG

VECTOR GAS

FO

VECTOR COMMS FO

VE

VECTOR ELEC

T

VODAFONE

C

CHORUS

CL

CITYLINK

STORMWATER

249

SW

FO

S C VG W

CLEAN WATER DIVERSION BUND

S

S

S

C FO

W VG SW

S S S

S S

S

SW

D PE R ANG

SW

AHA

259-261

268

SW

KAR

W VGSW

VE

FO

S S S V W S CG W

S

W

4-6

8-10

270

SW

C FO

SW

VGSWW

S S

VE

SW

SW

FCO

VGSWW

S

SW

FOC

S

VGSW W

278

16-18

SW

FO C

C V SW G W

C VGSW

SW

W

S S S W

S

SW

S CVG W

S S VGSW C

S

FO

W

S S

W

TS SW

FO

SW

FO

S

284

W

VEVE C

T

C

T VEVE

SW

267-281

FO

SW

VG

S

VEVE

W

W

W

W S

VEVE

T

W SW

W

SW

S

VG

C

VG

T VEVE

SW

SW

SW

FO

SW SW

VG C

S

S

T VEVE

SW S

VGC

SW

S

VGC

S

S

S

S

S

SW

S

VG

SW

W

S

C

S

VG

SW

W

S

S

VE

SETTLEMENT TANK

12-14

SW

W VVEE

VE

SW INLET PROTECTION

243

FO

S S S

S

WSWS SW S S S VG W C W S FO S S S VG W S C W FO S S VG W C

S S

SW SW

SW

> >

61-65

C

SW

S

SW

SW

SW

C SW V G

VVEE W SW VGC

W

VVEE SW VG C

W

VVEE W

SW VG C

VVEE

W

SW VG C

C

W

SW VG

C

T

VE

STABILISED ENTRANCE

SW

VVEE

VE

ESCP LEGEND:

S

258

SW

VVEE

S SW

SW

VVEE

SW

FO

62.

SW

0 SW

SW

SW

S

SW

SW

290

SW

S

S SW

SW

VVEE W

C SW VG

SW

S

W

S

BE

SW

S

S

SF RE

SW

SW

15-25

SW

S SW

S

SW SW

SW SW

SW

2

T

W VG SW

SW

W

SQ OR D

SW

SW

SW

S

SW

S SW

SW

0

SW

S

SW

S

SW VG C

C

W VVEE

SW V G

C

W VVEE C

SW V G

VVEEW C

SW V G

VVEEW C

SW V G

VVEE W C SW V G

VVEE W

SW

SW

64.0

63.0

SW

61.

SW 283-287

S

SW SW

22-28

SW

SW

S

SW

SW

SW

SETTLEMENT TANK TO BE EMPTIED WHEN FULL AND DISCHARGED OFFSITE

292-300

SW

SW

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

SW

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH SW KARANGAHAPE STATION EARLY WORKS ESCP SWAND CEMP. SW SW

SW

SCALE 1:250

SW

SW

SW

10m

SW

SW

SW

SW

5

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

SW

SW

SW

295

SW

0

SW

SW

2.5

NOTES:

SW

4. ALL AREAS ARE INDICATIVE ONLY. SW

W

Last saved by: JOSEPH.DELATORRE(2019-09-13) Last Plotted: 2019-09-13 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000004

SW

SW

SW

1-7

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_KRD_390_00_LKA_SKE_000004

10

20

30

40

50

60

70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

0

SW

C

SW VG

W VVEE

SW

S

T

SW

55

W

59

47

S VG SW

T

VG SW C

SW

S VG SW T

SW T

FO

SW

SW

SW

C

SW

S

W C

VE

SW S

SW

VG

SW

C

SW

W

SW

VG

SW

SW

SW

EXISTING CRL DESIGNATION BOUNDARIES

SW

SW

T

SW

SW

SW

SW

VG

T

SW

SW

SW

RY LAN E

PEDESTRIAN ACCESS ROUTES

SW

SW

SW

MERCU

SW

64.0

SW

VE

SW

SW

SW

VE

SW

VG

LEGEND:

PITT ST

65.0

SW

VG

SW

T

SW

SW

SW

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

FILTER SOCK OR LOGS CAN BE USED TO FILTER SEDIMENT AND TO THEN DISCHARGE TO AN EXISTING CP DOWNSTREAM

EROSION AND SEDIMENT PITT STREET - STAGE 4 SHEET 1 OF 1 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000004

REVISION

A

CRO

ISO A1 594mm x 841mm

KEY PLAN

SW

N

VE

SW

SW

SW SW

SW

VE

C

SW SW

SW

SW SW

SW

C

SW

C

S

S

SW

S VE

S

SW

VE

C

SW

S

VE

C

S

SW

S

S

S

S

LEGEND:

VE

SW

S

SW VE

SW

S S

PEDESTRIAN ACCESS ROUTES SW

S S VE

STABILISED ENTRANCE CLEAN WATER DIVERSION BUND DIRTY WATER DIVERSION SW

SW

> >

VE

SW

SW INLET PROTECTION

SW

SW

SW

SW

SW

SW

VE

SW

SW

SW

EXISTING CRL DESIGNATION BOUNDARIES

ESCP LEGEND: SW

SW

VE

SW

S

SW

WORK ZONE

SW

VE

SW SW

SETTLEMENT TANK

SW

SW

SW

VE

SW

S

VE

SW

S

Last saved by: JOSEPH.DELATORRE(2019-08-21) Last Plotted: 2019-09-12 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000011

SW W

SW

SW W S

VE

W

SW

VE

S

W

S

SW

S

SW

C

S

S W

SW S

SW

SW

S

S

C

S

SWS W

C

S

S

STORMWATER INLET PROTECTION TO BE ESTABLISHED AROUND CP1

W

SW

S VG

C C

C

C C

C C

SW

T

SW SW

C VE

VE

T

C C

C C

C C

C C C

C C C

CANA DA ST

C

C C

C

VG T

S

W

VG

S

W

S VG

W

57.0

C

59.0

C C

C C

C C

C C

C

CL

58.0

C SW

S SW W

VE

C C

C C

C

VE VE

S

VE

SW

SW

C

W

SW

VG W

VG W

VG

S SW

S

C C C

C C

C C

C C

C C

C C

T

C

VE

T VE

T S

60.0 S

63.0

C

T

C VE

C

VE VE

C C

C C

C C

61.0

VE

SW

T C

C C

62.0

SW

SW

SW

SW

23-31

VE

SW

SW SW

SW SW

SW

VE VE

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

W

W

SW

SW

SW

W

SW W

SW

SW SW

SW 11-13

SW

S

SW W

SW

9

VG S

VG S

SW W

SW

SW

SW

SW

SW

3

CL

S

CL T CL T C C VE VEVG S VG S SW W SW W W

SW

SW

SW

SW

SW

SW

T

T T

VE

C

C

C

T

VE

VE

URY MERC

SW

VE

CL

SW

VE

C

SW

SW

VE

CL VE

S

S

VE

VE

S

S

LANE

VE VG

VG VG

S

E

CL T VG VE S

VG

T

CL T

SW

RY LAN

CL T VG VE S

SW L C T

VE

SW

VE T

MERCU

SETTLEMENT TANK TO BE EMPTIED WHEN FULL AND SW SW DISCHARGED OFFSITE SW

VE VE

SW

SW

SW

VE

N

SW

SW

VE

SW

SW

S 2

VE

SW

SW VE

PROPOSED

EXISTING SW

VE

SW

SW

> SILT SOCK UTILITIES LEGEND:

SW

SW

SW

STORMWATER

S

WASTEWATER

SW

STORMWATER

SW VE

SW

SW SW

POTABLE WATER VECTOR GAS

FO SW VE

VECTOR COMMS FO SW

SW

W VG

VECTOR ELEC SW

VE

SW

VE

SW

38

T

VODAFONE

C

CHORUS

CL

CITYLINK

SW SW

VE

ST EAST

SW SW

SW

SW

20

SW

SW

18

NOTES:

SW

SW

VE

SW

SW

SW SW

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

SW

16

SW

SW SW

SW

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

SW

SW

14

SW SW

29

SW

4

SW

8m

SW

SW

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCP AND CEMP. SW

0

SW

SW

12

SW

SCALE 1:200

SW

SW

SW

SW

2

8

SW

4. ALL AREAS ARE INDICATIVE ONLY.

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.

CREATOR ID : CRL_KRD_390_00_LKA_SKE_000011

0

10

20

30

40

50

60

70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

EROSION AND SEDIMENT MERCURY LANE - STAGE 1 SHEET 1 OF 1 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000011

REVISION

A

SW

N

SW SW

SW

SW

SW

VE

C

SW

VE

SW

C

T

SW

C VE

C

SW

SW

C

SW

S

S

C

SW

C

S

S

SW

S VE

S

SW

VE

C

S

VE VE

WORK ZONE SW

S

S

VE

S

SW

S SW

VE

SW

DIRTY WATER DIVERSION

VE

SW

SETTLEMENT TANK

VE

> SILT SOCK UTILITIES LEGEND:

SW

SW

VE VE

SW

SW

SW

PROPOSED

VE

SW

VE

SW

SW

STORMWATER

S

WASTEWATER

SW VE

SW

W

POTABLE WATER

VG

VECTOR GAS

FO

VECTOR COMMS FO

VE

VECTOR ELEC

STORMWATER

SW

VE

SW

38

EXISTING SW

SW

SW

SW

SW INLET PROTECTION

SW

SW

SW

SW SW

CLEAN WATER DIVERSION BUND SW

S

SW

STABILISED ENTRANCE

> >

SW

SW

VE

SW

S

ESCP LEGEND:

SW

SW

EXISTING CRL DESIGNATION BOUNDARIES SW

S

SW

VE

SW

S

PEDESTRIAN ACCESS ROUTES

SW

SW

SW

LEGEND:

S

S

SW

S

VE

SW

SW

C

S

S

SW

SW W

Last saved by: JOSEPH.DELATORRE(2019-09-12) Last Plotted: 2019-09-12 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000012

SW W S

VE

W

SW

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C

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S

SW

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SW

S

C

SWS W SW S

S W

W

SW

S VG S S

C C

C C C

C C

C C

C C

C C

C C

STORMWATER INLET PROTECTION TO BE ESTABLISHED AROUND CP1

SW

VG T S

W

VG

S

W

S VG

W

57.0 C C

SW

CL

T

C

C C

C C

C C C

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C C

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C C

C C

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SW

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S

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SW

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SW

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W

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SW W

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SW

SW

SW

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T

T 11-13

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SW

W

SW SW

SW

SW W

SW

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3

CL S

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W

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CL T VG

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SW

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CL T

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SW

T SW L C T VG

SW

VE

VE

SW

SETTLEMENT TANK TO BE EMPTIED WHEN FULL AND DISCHARGED OFFSITE

VE VE

SW

SW

2

SW

SW

SW

ISO A1 594mm x 841mm

KEY PLAN

DIVERTED DIRTY WATER WILL BE FILTERED THROUGH SILT SOCK, OR EQUIVALENT METHOD, BEFORE BEING RELEASED TO KERB AND CHANNEL TO AN EXISTING SW CP

T

VODAFONE

CSW

CHORUS

SW

SW

VE

CL

SW

CITYLINK

SW

SW

SW

20

SW SW

VE VE

NOTES:

SW

SW

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

SW

SW

SW

SW

SW

18

SW SW

SW

SW

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCP AND CEMP.

SW

SW SW

29

SW

SCALE 1:200

SW

12

4. ALL AREAS ARE INDICATIVE ONLY.

SW

REVISIONS

CREATOR ID : CRL_KRD__00_LKA_SKE_000012

COMPANY NUMBER : 6267870 10

20

30

40

50

60

70

80

90

100mm

SCALE

SIZE

AS SHOWN

A1

DESIGNED

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

0

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.

CLIENT:

SW

8m

SW

4

SW

SW SW

14

0

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

SW

16

2

SW

T

S EAST

SW SW

EROSION AND SEDOMENT MERCURY LANE - STAGE 1A SHEET 1 OF 1 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000012

REVISION

A

CRO

SW

N

C

SW SW

VE

SW

VE VE

C

SW SW

SW

S VG

C

SW

C

SW SW SW

C

S

S

SW

S VE

S

SW

VE

C

SW

S

VE

C

S

SW

S

S

S

S

LEGEND:

VE

SW

S

SW VE

SW

S S

PEDESTRIAN ACCESS ROUTES SW

S S VE

STABILISED ENTRANCE CLEAN WATER DIVERSION BUND DIRTY WATER DIVERSION SW

SW

> >

VE

SW

SW INLET PROTECTION

SW

SW

SW

SW

SW

SW

VE

SW

SW

SW

EXISTING CRL DESIGNATION BOUNDARIES

ESCP LEGEND: SW

SW

VE

SW

S

SW

WORK ZONE

SW

VE

SW SW

SETTLEMENT TANK

SW

SW

SW

VE

SW

S

VE

SW

S

Last saved by: JOSEPH.DELATORRE(2019-08-19) Last Plotted: 2019-08-19 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000013

SW W

SW

SW W S

VE

W

SW

VE

S

W

S

SW

C

S

SW

SW

CANA DA ST

DIVERTED DIRTY WATER WILL BE FILTERED THROUGH SILT SOCKS, OR EQUIVALENT METHOD, BEFORE BEING RELEASED TO KERB AND CHANNEL TO AN EXISTING SW CP S

SW S

SW

S

S

C

S

SWS W

C

S

S

S W

W

SW

S VG

C C

C C C

C C C

C C

C

SW

W

57.0 C C

C C

C

VG T

S

T S

W

T

C

C C

C C

C C

C C

C C

C

59.0

C C

C C

C C

C C

C

CL

W

SW

SW

58.0

C SW

S SW W

VG

VE

VE

S

C

W

SW

VG W

VG W

VG

S SW

S

C C C

C C

C C

C C

C C

C C

T

C

VE

T VE

T S

60.0 S

63.0

C

T

C VE

C

VE VE

C C

C C

C C

61.0

VE

SW

T C

C C

62.0

VE

SW

SW

SW

23-31

SW

SW

VE VE

VE

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

W

W

W

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW SW

SW SW 11-13

SW W

SW

SW

SW

SW

SW SW

SW 9

SW W

W

W

SW

SW

SW SW

SW

SW

C VE VG S

SW

W

SW

SW

SW

SW

SW

SW

3

VG S

S

VE

VG S

S

S

SW W

SW

SW

SW

T

T T C

VE

T

VE

CL

VG

S

S

SW

VE

C

VE S

SW

VE

CL VE

CL T VG

CL T VG VE S

CL T VEVG S

VG

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CL

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VG S

VE

VE

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CL T

NE

VE VG

T

CL T

S

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SW L C T

SW

RY LAN

VE

T

CP2

MERCU

VE SW

VE

VE VE

SW

SW

2

SW SW

SW

VE

SW

SW

VE

SW

VE

SW

SW

SW

SW

SW

SW

SW

SW

N

KEY PLAN SW

ISO A1 594mm x 841mm

SW

CP3

CP4

SW

SW

VE

SW

SW VE

PROPOSED

EXISTING SW

VE

SW

SW

> SILT SOCK UTILITIES LEGEND:

SW

SW

SW

STORMWATER

S

WASTEWATER

SW

STORMWATER

SW VE

SW

SW SW

POTABLE WATER VECTOR GAS

FO SW VE

VECTOR COMMS FO SW

SW

W VG

VECTOR ELEC SW

VE

SW

VE

SW

38

T

VODAFONE

C

CHORUS

CL

CITYLINK

SW SW

VE

ST EAST

SW SW

SW

SW

20

SW

SW

18

NOTES:

SW

SW

VE

SW

SW

SW SW

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

SW

16

SW

SW SW

SW

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

SW

SW

14

SW SW

29

SW SW

8m

SW

SW

3. ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCP AND CEMP.

SW

SW

4

SW

0

SW

SW

12

SCALE 1:200

SW

SW

SW

SW 8

SW

4. ALL AREAS ARE INDICATIVE ONLY.

SW

2

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.

CREATOR ID : CRL_KRD__00_LKA_SKE_000013

0

10

20

30

40

50

60

70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

EROSION AND SEDIMENT MERCURY LANE - STAGE 2 SHEET 1 OF 1 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000013

REVISION

A

SW

ISO A1 594mm x 841mm

SW

LEGEND: WORK ZONE

SW

TN

SAFETY ZONE / CONES PEDESTRIAN ACCESS ROUTES

SW

N

SAFETY BARRIER LINES

SW

UTILITIES LEGEND:

SW

PROPOSED

DIRTY WATER TO BE DIVERTED TO THE SETTLEMENT TANK. WHICH IS TO BE EMPTIED WHEN FULL AND DISCHARGED OFFSITE

S

WASTEWATER

STORMWATER

SW

POTABLE WATER VECTOR GAS VECTOR COMMS FO

FO

OUN ST

STORAGE

VECTOR ELEC T

VODAFONE

C

CHORUS

CL

CITYLINK

STORAGE

ESCP LEGEND: STABILISED ENTRANCE

OFFICES

HOPE T

STORMWATER

CANTEEN

SILT FENCE

CHANGING ROOMS\ TOILETS\ SHOWERS

> >

HOPETOUN ALPHA

WATER TREATMENT AREA

CLEAN WATER DIVERSION BUND DIRTY WATER DIVERSION INDICATIVE FLOW PATH INDICATIVE CONSTRUCTION YARD INDICATIVE LAYDOWN AREA SW INLET PROTECTION SETTLEMENT TANK

NOTES:

STORAGE

Last saved by: JOSEPH.DELATORRE(2019-09-12) Last Plotted: 2019-09-12 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000021

EXISTING

SW

CAR PARK

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.

3.

ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCMP.

SURGE PILE

WHEEL WASHING

OFFICES

OFFICE

5

W

W VE

VE VE

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

W VE

SW

SW

SW

C

C

VG

VG

VG

VG

C

W

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VG

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C VG VE

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SW

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C VG

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S VE

VE

60m

SCALE 1:1500

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.

CREATOR ID : CRL_KRD_390_00_LKA_SKE_000021

0

10

20

30

40

50

60

70

80

90

100mm

SIZE A1

FOR INFORMATION APPROVED

PROJECT:

DRAWN

D. ROLLO

TITLE:

J. DELA TORRE A

FOR INFORMATION DESCRIPTION

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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

CITY RAIL LINK KARANGAHAPE STATION

ZONE:

E. CHANG

REV

COMPANY NUMBER : 6267870

SCALE AS SHOWN

DESIGNED REVISIONS

CLIENT:

VE C

C

SW

VE SW

C

SW

C

SW

W

30

VE

SC VG

SW

SW

0

W VE

C VG

SW

T

SW

VE

SW

VE

VE

SW

VE

VE

T

SW

W

SW

W

SW

15

VG

W

SW

SW

SW

SW

C VG

SW

W

T W

SW

SW

W VE

VE

W SW

T

SW SW

.0

63

62

SW

W

VE

VE

VG

VE

W

W

SW

.0

BERESFORD SQUARE

.0

SW

VE

C

W

T W

SW

T

SW

PUBLIC CAR PARK CLOSED DURING WORKS

61

SW

W

VE

C

VE

PEDESTRIAN ENTRANCE

SHAKER RAMP AND/OR WHEEL WASH SHOULD BE PLACED AT THE EXIT TO REMOVE SEDIMENT FROM TRUCK TYRES. OTHERWISE LOCALISED WHEEL WASH WILL BE USED AS A MINIMUM REQUIREMENT

W VE

VE

VG

STABILISED ENTRY AND EXIT FOR TRUCKS. IT SHOULD BE MINIMUM 5m IN LENGTH

W VE

VE

W

EXIT

ENTRANCE

CONSTRUCTION LAYDOWN AREA PITT STREET SHEET 1 OF 3 PROJECT

DOCUMENT:

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000021

REVISION

A

SW

SW

SW

ISO A1 594mm x 841mm

SW

SW

VE

SW

C CC

C C C

SW

SW

SW

SW

SW

SW

SW

ENTRANCE

VE

CC

C C

CC

C C

CC

C C

C C C

C

SW

SW SW

SW

SW SW

SW SW

SW

STABILISED ENTRY AND EXIT FOR TRUCKS. IT SHOULD BE MINIMUM 5m IN LENGTH

SW

CAR CA EXIT ENT R RANCE

VE

C

C

W

C

SW

C

SW

SW

SW

SW

VE

SW

SW

SW

SW

VE

CHANGING ROOMS TOILETS / SHOWERS

SURGE PILE

LEGEND: WORK ZONE SW

SW

SAFETY ZONE / CONES SW

SW

BANK

SW

CRANE AREA

SW

VE

SW

SW

SW

VE

SW

VE

SW

VE

SW

BANK

BANK

SW

VE VE

VE

SW

VE VE

C SW

CA

CAR PARK

C C

SW

SW

SW SW

SW

SW

SW

SW

OFFICES

SW SW

VE

PEDESTRIAN ACCESS ROUTES

VE

SW

SAFETY BARRIER LINES

SW

PROPOSED

SW

VE

CANTEEN

VECTOR COMMS FO

STORMWATER

VECTOR ELEC VODAFONE

C

CHORUS

CL

CITYLINK

SW

T

ESCP LEGEND: SW

VE

SW

STORAGE

OFFICES

SW

VECTOR GAS

FO VE

SW SW

TUNNEL STORAGE

WATER TREATMENT AREA

SW

POTABLE WATER

SW

SW VE VE

VE VE

STORAGE

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

WASTEWATER

VG

SW

1.

S

SW

VE

SITE TRACK

SW

NOTES:

STORMWATER

W

SURGE PILE

EXISTING

SW

SW

VE

SW

UTILITIES LEGEND:

SW

STABILISED ENTRANCE

4

SCALE 1:200 SW SW

8m

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SW

SW

SW

SW

SW

SW

SW

SW

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SW

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SW

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SW

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SW

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SW SW

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SW

SW

SW

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30

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50

60

70

80

90

100mm

SW

SW

SW

SCALE

SIZE

AS SHOWN

A1

DESIGNED REVISIONS

CREATOR ID : CRL_KRD_390_00_LKA_SKE_000022

COMPANY NUMBER : 6267870 20

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.

SW

SW

SW

SW

FOR INFORMATION APPROVED

SW

SW

SW

DRAWN

A

FOR INFORMATION DESCRIPTION

TITLE:

DR

19.08.19

CHECKED

DATE

APPROVED

DATE

C. SECRETIN

19.08.19

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.

CLEAN WATER DIVERSION BUND DIRTY WATER DIVERSION INDICATIVE FLOW PATH INDICATIVE CONSTRUCTION YARD

CITY RAIL LINK KARANGAHAPE STATION CONSTRUCTION LAYDOWN AREA MERCURY LANE SHEET 2 OF 3 PROJECT

DOCUMENT:

SW INLET PROTECTION SETTLEMENT TANK

SW

ZONE:

D. ROLLO

J. DELA TORRE

SW

PROJECT:

E. CHANG

REV

10

SW

> >

INDICATIVE LAYDOWN AREA

EAST ST

SW

0

DIRTY WATER TO BE DIVERTED TO THE SETTLEMENT TANK. WHICH IS TO BE EMPTIED WHEN FULL AND DISCHARGED OFFSITE

SW

2

SW

ALL DRAWINGS SHALL BE READ IN CONJUNCTION WITH KARANGAHAPE STATION EARLY WORKS ESCMP.

SW

3.

VE

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

SW

SILT FENCE 2.

SW

Last saved by: JOSEPH.DELATORRE(2019-09-12) Last Plotted: 2019-09-12 Filename: AECOM_DS10_AU\Documents\60604837-CRL C3-Alliance Detail Design\DesignJV\900 CAD-GIS\01_WIP\25-SKETCHES\CRL-KRD-RME-LKA-SKE-000022

SW

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CLIENT:

0

SW

SW

TEMPORARY SHAFT

SW

SW

MERCURY LANE STATION

NA

SW

SW

ST

SW

SW

DA

SW

S C

SW

SW

SITE TRACK

SW

SW S

SW SW

SW

SW

SW

CC

SW

SW

C

VE

STABILISED ENTRY AND EXIT FOR TRUCKS. IT SHOULD BE MINIMUM 5m IN LENGTH

SW

C

VE

SW SW

SW

SW

C C

SW

EXIT VG

C

CC

SW

SW

CC C

SW S W

C C

SW

SW

T

VG

SW

W

57.0

58.0

C

59.0

SW

SW

SW

SHAKER RAMP AND/OR WHEEL WASH SHOULD BE PLACED AT THE EXIT TO REMOVE SEDIMENT FROM TRUCK TYRES. OTHERWISE LOCALISED WHEEL WASH WILL BE USED AS A MINIMUM REQUIREMENT

SW

T

VG SW

CC CC

CC

MERCURY LANE

W

SW

SHAKER RAMP AND/OR WHEEL WASH SHOULD BE PLACED AT THE EXIT TO REMOVE SEDIMENT FROM TRUCK TYRES. OTHERWISE LOCALISED WHEEL WASH WILL BE USED AS A MINIMUM REQUIREMENT

C

W

SW

SW

SW

VE

VE

W

C

W

VG W

CC

CC

CC

CC

SWS W

SW

SW

VG

S SW

SW

VE

C

W

C

T

S

VE

60.0

VE

C

SW

VE

SW

CC CC

CC

T

SW

VE

SW

VE VG

SW

VE

SW W

S

C

SW W

VG S

T

SW

SW W

T

T

T VG

S

VE

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VG SW

SW CL T VG S VE

T VG

SW

W

SW

VE

T C

SW

CL

W

VE S

S

VE

W

SW W

CL

T

N IA TR CE ES N D RA PE NT E

SW

SW

VE

SW

SW

VE

SW

VG

W

S

SW

VG

C

SW

CL VE S

SW

N

SW

CRO SS ST VE

T

VE T

SW

SW

CL T C VG VE S

SW

63 .0

T

VE C

CL T C VG VE S

C

SW

VE

CL C VE VG S

SW

SW

SW

61.

0

S

SW

VG

SW

C CL VE

CL

S

SW

C

SW

VE

C

SW

SW

SW

62 .0

CLEAN WATER DIVERSIONS TO DIVERT AWAY FROM THE CSA

SW

SW

E

SW

LAN

T

RY

T

VE

S

RCU SW

VE

T

VE

S

ME

SW

VE

SW

VE

SW

SW

VE

SW

SW

SW

VE

SW

SW SW

TN

VE

ZONE

DISCIPLINE

ORGANISTION

TYPE

SHEET

CRL - KRD - RME - LKA - SKE - 000022

REVISION

A

Erosion and Sediment Control Plan – Karangahape Station

Appendix C: Record of CLG and Auckland Council Comments C1. CLG Comments A Karangahape CLG meeting was held on 17 September 2019 to discuss the Karangahape early works and for the CLG to provide comments / feedback on the CEMP and sub-plans, including this ESCP. No comments were received in relation to this ESCP.

C2. Auckland Council Comments This ESCP was provided to Auckland Council as a draft for comment. No comments were received.

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