Air Quality Delivery Work Plan for Karangahape Station Construction Support Area Demolition Works

City Rail Link In association with:

OUTLINE PLAN Air Quality Delivery Work Plan for Karangahape Station Construction Support Area Demolition Works

Document Ref: CRL-KRD-RME-000-RPT-0133 Revision: 0 7 May 2019

INTERNAL WORKING DOCUMENT COMMERCIAL IN CONFIDENCE

REPORT

Auckland City Rail Link Air Quality Delivery Work Plan for Karangahape Station Construction Support Area Demolition Works Submitted to:

Aurecon New Zealand Limited PO Box 9762, Newmarket, Auckland 1149

Submitted by:

Golder Associates (NZ) Limited Level 2 Nielsen Centre, 129 Hurstmere Road, Takapuna 0622, Auckland +64 9 486 8068 1378206325-118-R-Rev0 May 2019

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Record of Issue Company

Version

Date issued

Review status/details

Aurecon

RevA

20 February 2019

Draft for Aurecon and CRLL review.

Aurecon

RevB

12 March 2019

Updated draft post Aurecon review.

Aurecon

RevC

9 April 2019

Updated draft post CRLL review and CLG meeting.

7 May 2019

Final for consent lodgement.

Updated draft post Independent Peer Review and receipt of pre-lodgement comments from Auckland Council.

Aurecon

Rev0

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Table of Contents 1.0

2.0

3.0

4.0

INTRODUCTION ......................................................................................................................................... 1 1.1

Purpose ............................................................................................................................................. 1

1.2

Report Structure ................................................................................................................................ 1

1.3

Environmental Objective ................................................................................................................... 6

DESCRIPTION OF THE PROJECT............................................................................................................ 6 2.1

City Rail Link ..................................................................................................................................... 6

2.2

Advance Works Project ..................................................................................................................... 6

2.3

Sensitive Locations ........................................................................................................................... 8

DUST EMISSIONS SOURCES AND MITIGATION .................................................................................... 8 3.1

Introduction........................................................................................................................................ 8

3.2

Overview of Dust Sources ............................................................................................................... 10

3.3

Risk Assessment and Controls and Procedures for Dust Sources ................................................. 11

DUST MONITORING PROGRAMME ....................................................................................................... 13 4.1

General Site Monitoring .................................................................................................................. 13

4.2

Visual Inspections of Dust Emissions ............................................................................................. 14

4.3

Continuous Monitoring of Total Suspended Particulate .................................................................. 15

5.0

OTHER MINOR DISCHARGES TO AIR................................................................................................... 16

6.0

COMPLAINTS RESPONSE AND RECORDING ...................................................................................... 17

7.0

ENVIRONMENTAL TRAINING................................................................................................................. 17 7.1

8.0

9.0

Project Staff ..................................................................................................................................... 17

RECORD KEEPING .................................................................................................................................. 17 8.1

Overview ......................................................................................................................................... 17

8.2

Daily Log ......................................................................................................................................... 18

ROLES AND RESPONSIBILITIES ........................................................................................................... 19 9.1

Overview ......................................................................................................................................... 19

9.2

Specific Roles and Responsibilities ................................................................................................ 19

9.3

Contact Details ................................................................................................................................ 20

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10.0 AQDWP AUDITING AND REVIEW .......................................................................................................... 20 10.1

Introduction...................................................................................................................................... 20

10.2

Auditing ........................................................................................................................................... 20

10.3

Review............................................................................................................................................. 21

11.0 PROJECT SUSTAINABILITY ................................................................................................................... 21 12.0 LIMITATIONS............................................................................................................................................ 21 13.0 REFERENCES .......................................................................................................................................... 21

TABLES Table 1: CRL designation conditions for AQDWP. ............................................................................................... 2 Table 2: CRL resource consent conditions for AQDWP. ...................................................................................... 3 Table 3: Risk assessment and description of controls and procedures for dust sources within the project. ..... 11 Table 4: Training requirements. .......................................................................................................................... 17 Table 5: Record keeping requirements. ............................................................................................................. 18 Table 6: Environmental management responsibilities. ....................................................................................... 19

FIGURES Figure 1: CRL Karangahape Station demolition area. .......................................................................................... 7 Figure 2: CRL hierarchy of documentation. .......................................................................................................... 7 Figure 3: Receptors within 100 m of demolition area. .......................................................................................... 9

APPENDICES APPENDIX A Daily Log Form APPENDIX B Community Business Liaison Group and Peer Review Outcomes APPENDIX C ISCA Requirements APPENDIX D Report Limitations

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List of Abbreviations Acronym

Meaning

ACZ

Active construction zone

AQDWP

Air Quality Delivery Work Plan

AQMP

Air Quality Management Plan

CEMP

Construction Environmental Management Plan

CCP

Project Communication and Consultation Plan

CLDWP

Contaminated Land Delivery Work Plan

CRL

City Rail Link

CRLL

City Rail Link Limited

CSA

Construction support area

DWP

Delivery Work Plan

ESM

Environment and Sustainability Manager

MfE

Ministry for the Environment

MP

Management Plans

NAL

North Auckland Line

RMA

Resource Management Act 1991

TSP

Total suspended particulate

List of Units Unit

Meaning

°C

Degrees Celsius

km

Kilometre

km/hr

Kilometres per hour

m

Metre

m²

Square metre

m³

Cubic metre

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INTRODUCTION Purpose

This Air Quality Delivery Work Plan1 (AQDWP) has been developed by Golder Associates (NZ) Limited (Golder) for the management and mitigation of the air quality effects associated with the demolition of the buildings and structures in the Karangahape Station (Mercury Lane and East Street Entrance) Construction Support Area (CSA) elements of the City Rail Link (CRL) project (the project).

The purpose of this AQDWP is to provide a framework for managing the air discharges, especially dust emissions, so that potential significant adverse environmental and human health effects beyond the boundary of the construction site are avoided. This is to be primarily achieved by:



Identifying the sources of fugitive dust emissions associated with the demolition activities.



Describing controls and procedures to prevent fugitive dust emissions from each significant source.



Describing inspection and dust monitoring programs.



Describing the training of personnel necessary for the AQDWP to be effectively implemented.



Describing the necessary record-keeping to verify and document ongoing compliance with the AQDWP.



Establishing the roles and responsibilities of staff throughout the organisation in relation to the AQDWP.

Dust emissions are considered the primary contaminant of concern discharged to air from the proposed demolition works. Combustion emissions from the operation of vehicles, and any residual emissions from emission control equipment associated with the works are expected to give rise to air quality effects that are negligible. Regarding odour, it is expected that there is very limited potential for odour to be generated by the project. As such, this AQDWP focuses on the management of dust emissions from the works as the effects of other emission sources are considered insignificant.

This AQDWP fulfils the reporting requirements for the management and mitigation of air quality effects under the Auckland Unitary Plan: Operative in Part (15 November 2016). This AQDWP also satisfies the requirements for reporting, managing and mitigating air quality effects in accordance CRL Designation 2500-4 and the Aotea Station to North Auckland Line (A2N) resource consents 2. This AQDWP has been prepared by a senior qualified person in accordance (where relevant and practicable) with the Ministry for the Environment (MfE 2016) Good Practice Guide for Assessing and Managing Dust.

1.2

Report Structure

The structure of the AQDWP is designed to provide a logical and practical framework for the management of air emissions from the CSA. The AQDWP has the following key sections:



Section 2.0 provides a description of the project and site demolition activities.



Section 3.0 identifies the potential dust emissions sources and the structural and operational controls that are proposed to mitigate the risks associated with each source.



Section 4.0 outlines a proposed dust monitoring programme.

1

The Air Quality Delivery Work Plan is analogous to an Air Quality Management Plan. The use of AQDWP has been adopted for consistency with CRL Designation Condition 59.

2

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.

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

Section 5.0 discusses other minor discharges to air.



Section 6.0 discusses complaints response and record keeping.



Section 7.0 provides a program for training and awareness of staff.



Section 8.0 outlines the records that are required to be kept as part of compliance with this AQDWP.



Section 9.0 establishes the roles and responsibilities of staff.



Section 10.0 outlines the procedures for auditing and reviewing this AQDWP.



Section 11.0 outlines the sustainability approach for the project.

The AQDWP has been prepared to satisfy CRL Designation 2500-4 condition 59 and also the requirements of the Aotea Station to North Auckland Line (NAL) resource consents. For reference, the relevant sections of this AQDWP as they relate to the designation and resource consent conditions are summarised in Table 1 and Table 2.

Table 1: CRL designation conditions for AQDWP.

Relevant condition

Relevant section of AQDWP

59.1 An Air Quality DWP shall be prepared to avoid, remedy or mitigate the adverse effects on air quality during the construction of the City Rail Link or any part of it.

Whole AQDWP

59.2 The objective of the Air Quality DWP is to detail the best practicable option to avoid dust and odour nuisance being caused by construction works and to remedy any such effects should they occur.

Whole AQDWP

59.3 To achieve the above objective the following shall be included in the Air Quality DWP and implemented as required: a)

b)

c)

d)

e)

The procedures to be implemented for the continuous monitoring of Total Suspended Particulate (TSP) concentrations and meteorology including, but not limited to, the establishment of two monitoring sites (to the north and south of the site);

Section 4.3

Identification of the sensitive locations, and the specific methods for monitoring, including trigger limits to determine whether further action (such as implementation of the mitigation measures discussed below or other mitigation measures) is required;

Section 2.3 and 4.3

Procedures for responding to malfunctions with construction machinery or works causing accidental dust discharges including, but not limited to, the requirement to remedy any malfunction within 24 hours;

Sections 5.0 and 8.0

Procedures for monitoring weather conditions and the requirement that water spray is used on soil stockpiles, any non-paved construction areas, and the wheels of trucks where dust may disperse beyond the site;

Table 3, Section 3.3

Procedures for establishing when the covering of trucks will be required;

Table 3, Section 3.3

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Relevant condition f)

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Relevant section of AQDWP

Procedures for determining when hard surfaced areas in construction yards and active construction areas should be cleaned including, but not limited to, the requirement that such areas be cleaned whenever dust generation occurs due to traffic on these surfaces;

Table 3, Section 3.3

Procedures for responding to discharges of odour (including in the event of excavation of contaminated sites) including, but not limited to, the requirement to address discharge of objectionable odour by immediately ceasing the activity causing the discharge;

Table 3, Section 5.0

h)

Procedures for equipment inspection (including timeframes for regular inspections), maintenance, monitoring and recording, including baghouses, pressure relief valves and high level alarms to mitigate dust emissions;

Table 3, Sections 3.3 and 4.0

i)

Procedures for, where practicable, limiting dust and odour nuisance and the methods for monitoring these procedures including identification of contingency measures to address identified and verified adverse effects on sensitive receptors. Contingency measures may include options such as: i.

Cleaning of air filtration intakes; or ii.

Cleaning of other buildings and infrastructure

Table 3, Sections 3.3 and 4.0

j)

Procedures for responding to any complaints received and the timeframes for response to complaints and reporting.

Section 6.0

k)

Cross references to the specific sections in the Communication and Consultation Plan which detail how the communities in the vicinity of construction works are to be communicated with on the management of the adverse effects relating to air quality.

Section 6.0

g)

Table 2: CRL resource consent conditions for AQDWP.

Relevant condition

Relevant section of AQDWP

218. The Consent Holder shall ensure that all processes on the project work site shall be implemented, operated, maintained, supervised, monitored and controlled so that any emissions authorised by this consent are maintained at the minimum practicable level.

Whole AQDWP

219. Unless provided for by Condition 220, there shall be no dust or odour beyond the boundary of the project work site caused as a result of on-site processes which, in the opinion of Council, is noxious, offensive or objectionable.

Whole AQDWP

220. Any noxious, offensive or objectionable dust or odour beyond the boundary of the project work site caused as a result of construction and earthworks activities associated with the project shall be mitigated as soon as practicable in accordance with the requirements of the certified Air Quality Management Plan as required by Condition 222.

Whole AQDWP

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Relevant condition

Relevant section of AQDWP

221. The Consent Holder shall ensure that beyond the boundary of the project worksite, there shall be no hazardous air pollutant caused as a result of construction and earthworks activities associated with the project that causes, or is likely to cause, adverse effects on human health, environment or

Table 3, Sections 3.3 and 4.0

property.

Air Quality Management Plan (AQMP) 222. The Consent Holder shall review the draft Air Quality Management Plan – Aotea Station to North Auckland Line, dated May 2016, and submit to Council

Not applicable

(Team Leader Central Monitoring) a final AQMP/s which is generally consistent with the draft AQMP provided in support of the application.

223. The final AQMP/s shall be prepared by a Senior Qualified Person, provided to the Council (Team Leader Central Monitoring) for certification at least 20 working days prior to the commencement of construction and shall include: a. a clear identification of the type and location of the controls proposed; b. a detailed framework for the management, mitigation and monitoring of construction and earthworks activities associated

Whole AQDWP

with the project; c. a focus principally on the sources of dust discharges, and d. an assessment of the risk of discharges from each ACZ and the associated CSA. 224. The final AQMP/s shall also provide detailed methods including, but not limited to, the following matters: a. methods to ensure exposed surfaces remain dampened to minimise dust emissions (possible examples include a water spray system or other

Table 3, Section 3.3

suitable system, water carts and other suppression methods); b. ensuring a 20 km/hr vehicle speed limit within the ACZs and CSAs; Table 3, Section 3.3 c. operation of wheel washes; d. regular sweeping of public roads around the exit points of ACZs and CSAs and sealed vehicle accessways within these areas;

Table 3, Section 3.3

e. measures for supressing dust from any temporary stock piles (demonstrating how they are to be limited to no more than 24 mÂł of

Table 3, Section 3.3

uncovered spoil at any one time in each ACZ); f. measures for the handling of cement associated with the forming of cement stabilised columns, including filter systems and high-level alarms

Not applicable

where a silo is used; g. covering of loads of material being delivered and removed from the site;

Table 3, Section 3.3

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Relevant section of AQDWP

h. instrument monitoring of dust concentrations (including identification of a monitoring methodology, monitoring network and appropriate alert thresholds) to ensure that any significant dust effects arising from the ACZs or CSAs are identified and remedied as soon as practicable throughout the project;

Section 4.0

i. the locations of instrument dust monitoring sites, including at least three re-locatable and/or fixed monitors to be associated with each of ACZs A, K and M, and the duration of this monitoring;

Section 4.0

j. measures for responding to continuous instrument dust monitoring trigger alarms, including contingency measures to reduce measured concentrations below the trigger thresholds and provisions for responding after standard operating hours;

Section 4.3

k. measures for undertaking meteorological observations and visual inspections of dust or other air discharges from the project, to be completed at least on a daily basis, with all relevant information logged; and

Sections 4.1 and 4.2

l. information regarding complaint logging, investigation and response procedures, training and roles and responsibilities.

Section 6.0

The Team Leader Central Monitoring shall be requested to respond to the AQMP/s with any suggested changes within 10 working days from receipt of the AQMP; otherwise the AQMP may be considered by the Consent Holder to be certified by the Council.

225. Any change to the AQMP/ shall be submitted to the Council (Team Leader Central Monitoring) for certification. No activity reliant upon a change to the AQMP can be undertaken until the change has been certified.

The Team Leader Central Monitoring shall be requested to respond to the proposed change within 10 working days from receipt of the change; otherwise the AQMP may be considered by the Consent Holder to be certified by the Council.

226. All works shall be undertaken in accordance with the certified AQMP/s.

Implementation of this AQDWP

Monitoring Requirements 227. Prior to the commencement of construction, and for the duration of excavation and construction associated with the project which have the potential for significant dust emissions, the Consent Holder shall install, operate and maintain continuous dust monitoring undertaken using mobile instruments for the purposes of monitoring Total Suspended Particulates (TSP).

The locations, durations and methods of TSP monitoring at each of ACZs A, K and M shall be in accordance with the details in the certified AQMP(s) required by Condition 222.

Section 4.0

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Relevant condition

Relevant section of AQDWP

228. The dust monitoring instruments shall be fitted with an alarm system that sends a warning to the responsible person identified by the AQMP/s when dust concentrations exceed alert levels specified by the certified AQMP/s.

The Consent Holder shall ensure that the responsible person, or other

Section 4.0

nominated person, is available at all times to take immediate action to reduce dust emissions from the site.

1.3

Environmental Objective

The primary environmental objective of this AQDWP is to detail the best practicable option to avoid dust and odour nuisance being caused by the project construction works and to remedy any such effects should they occur. This objective will be achieved by ensuring that all site activities are contained within appropriate areas and site activities will not result in any discharges to air resulting in unacceptable levels of contaminants within the surrounding environment.

2.0 2.1

DESCRIPTION OF THE PROJECT City Rail Link

The CRL project comprises the construction, operation and maintenance of a 3.4 km underground passenger railway, running between Britomart Station and the NAL near Mt Eden Station. CRL Enabling Works commenced in December 2015 and the procurement of the main works contract (C3 Alliance) is being progressed with contract award likely in the first quarter of 2019. To allow works to commence as soon as possible upon award of the C3 Alliance, City Rail Link Limited (CRLL) is obtaining the necessary authorisations for demolition of buildings in the Karangahape Station CSA located between Mercury Lane and East Street.

2.2

Advance Works Project

It is proposed to demolish the buildings and structures in the Karangahape Station (Mercury Lane entrance) CSA as identified in Figure 1 below. The project is being undertaken in accordance with the CRL Designation 2500-4, confirmed in November 2015 and the Aotea Station to NAL suite of resource consents approved in November 2016. The conditions of these authorisations require the preparation of an Outline Plan (OP), Delivery Works Plans (DWP) and Management Plans (MP). This AQDWP is prepared in accordance with the CRL Designation 2500-4 and resource consent conditions as identified in the hierarchy of documentation illustrated in Figure 2. As outlined in Table 3 prior to demolition, an asbestos survey will be carried out by a ‘competent surveyor’ on each building to be demolished.

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9A, B, C 11-13

20-24

17-21

23-31 38

Figure 1: CRL Karangahape Station demolition area.

Figure 2: CRL hierarchy of documentation.

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CRLL plans to commence the process of vacating the tenanted properties in the third quarter of 2019 to ensure sites are vacant in reasonable time ahead of the planned disconnection of services. Demolition will commence in late 2019 and extend for eight to 12 weeks. Demolition will be undertaken in a staged manner the order of which is to be confirmed by the C3 Alliance. Buildings at the northern end of the site are anticipated to be removed first, with demolition works progressing southward. All buildings and structures will be removed to ground level, with the retention of some existing foundations where necessary for site stability.

A soft strip (wall linings etc) of salvageable materials and recycling of concrete and reinforcing steel will be carried out where possible. All demolition material will be removed from the project area and covered during transportation and disposed of at approved facilities.

The project area will be fenced, with lockable gates, to prevent unauthorised entry. Where appropriate, solid plywood fencing will be used, with appropriate signage prohibiting unauthorised entry and identifying hazards.

2.3

Sensitive Locations

Off-site locations within approximately 100 m from the project area are considered sensitive to potential dust and odour impacts given the nature of the receiving environment. See Figure 3 for map of sensitive receptor locations. Examples of activities surrounding the project area are as follows:

       

3.0 3.1

Pedestrian access to offices and other places of work.

Shopping/Commercial/Business activities fronting these streets sections.

Bar patronage along Mercury Lane and Karangahape Road.

Non-profit organisations – New Zealand Prostitute Collective and Eat My Lunch.

Accommodation – BK Hostel.

Entertainment venue – Studio the Venue, Art Space, and Mercury Theatre.

The Lightpath cycle and pedestrian walkway along the Southern Motorway.

Residential building along Karangahape Road (259-281 Karangahape Road).

DUST EMISSIONS SOURCES AND MITIGATION Introduction

This section provides a description of the dust emission sources and mitigation measures for the proposed demolition activities within the project footprint. It includes a qualitative risk assessment for each key activity to identify the priority activities on the site that represent the highest risks in terms of creating an adverse dust effect beyond the boundary of the site. Finally, the emission controls and procedures for each activity are described, as well as the person responsible for the implementation and management of dust control.

Each of the potential risks is assessed in terms of the probability that they might occur (low, medium or high) and of the level of the consequence in case they do occur (low, medium or high). For instance, a potential risk with a low probability means that it is likely to occur only one to five times during the whole period of construction activities. A potential risk with a high probability means that it is likely to occur at least once per week during the period of construction activities. The consequence is independent of the probability and is related to effects on the environment (beyond the boundary of the site) of that risk when it does occur. A lowlevel consequence means that any effects to the environment should be less than minor and no sensitive receptors would be affected. A high-level consequence, on the other hand, means effects on the environment may be significant and that sensitive receptors are likely to be affected.

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AURECON NEW ZEALAND LTD PROJECT

CITY RAIL LINK - KARANGAHAPE ROAD CSA DEMOLITION TITLE

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The risk level is assessed as low, medium or high based on the combination of the assessments of probability and consequence. The resulting risk level indicates the priority of that activity in terms of control measures and procedures for minimising dust emissions.

The risk assessment has been undertaken on the basis of the demolition activities proposed by CRLL. Due to the relatively short duration of demolition phase of the project, the risk assessment will need to be reviewed at critical milestones during the project, such as when there is a new or changed activity, changes to equipment or location of activities or when there is a change to legislative/consent/designation requirements.

An annual review is not considered necessary in this instance given the short-term nature of the works.

3.2

Overview of Dust Sources

The main discharge into air arising from the demolition activities is particulate matter (dust). The following key activities are potential sources of dust emissions from the proposed demolition activities:



Due to unpaved surfaces, some storage of demolition materials and vehicles accessing and departing from the demolition site.



The breaking apart, removal and handling of wall linings (such as plaster board).



The use of concrete saws.



Use of excavator with breaker or claw to break apart and pull-down concrete building structures.



Use of excavator with breaker to break apart concrete foundation slabs.



The sorting and segregation of concrete from reinforcing steel.



The loading of demolition materials into trucks for removal from the site.

It is understood that there will be no on-site crushing of concrete, which can be a significant source of dust associated with demolition activities.

The stockpiling of spoil and other bulk materials on site can be sources of dust for most earthworks and demolition activities if not controlled. Where practical, materials will be loaded directly into trucks, covered and removed off site.

The next section describes the risks associated with the above key activities in terms of the potential to result in adverse effects on sensitive locations. Section 3.3 also details the associated mitigation measures that are to be used to control or suppress dust emissions from each activity.

The termination of utility services to buildings and soft strip demolition are generally not expected to be a significant source of dust.

The removal of asbestos is not considered in detail in this AQDWP. If asbestos is identified it will be removed in a controlled manner in accordance with relevant WorkSafe New Zealand (WorkSafe) requirements and the Contamination Delivery Work Plan (CDWP) (Golder 2019).

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3.3

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Risk Assessment and Controls and Procedures for Dust Sources

The risk assessment and the controls/procedures for mitigating dust emissions from the key activities within the project are provided in Table 3.

Within Table 3 the probability that a risk of unmitigated dust emission would occur is denoted as ‘P’, the level of the consequence in case the risk does occur is denoted as ‘C’ and the overall risk assessment as ‘R’. The control/procedure for each activity is intended to ensure that dust emissions are effectively controlled such that any off-site effects that may occur are of an acceptable level.

Table 3: Risk assessment and description of controls and procedures for dust sources within the project.

Activity/ Facility

Building demolition

Building demolition

Potential unmitigated risk

Asbestos

Dust and concrete dust containing crystalline silica from demolition of buildings

P*

M

H

C*

H

H

R*

Control/Procedure

Person responsible

M-H

Prior to demolition (including removal of wall linings, cabling, pipework, joinery etc.), an asbestos survey is to be carried out at the building to be demolished by a ‘competent surveyor’ and if asbestos is present, be removed by a Licensed Asbestos Removalist and the building cleared by an independent Licensed Asbestos Assessor prior to demolition of the buildings.

Notwithstanding this, the use of water sprays shall be used to dampen the area of demolition during dry weather.

Environment and Sustainability Manager (ESM) or delegated person

H

Dust from removal of plaster board is to be controlled by wetting the plaster board as it is broken up.

Dust from the knocking down and breakup of blockwork or concrete and from the removal of rubble and will be controlled using water sprays or fogging systems directed onto the activity during dry and windy weather.

ESM or delegated person

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Activity/ Facility

Potential unmitigated risk

Exit of vehicles from site to public roads

Dust emissions from dried and re-suspended muddy material that is transported on the wheels of trucks and machinery exiting the CSAs and the site onto the adjoining roads.

P*

H

C*

M

R*

Control/Procedure

Person responsible

M-H

When a build-up of muddy material is observed on wheels, these will be washed prior to the vehicle driving onto the paved truck access.

A wet-vacuum sweeper truck will be used weekly to sweep the public road and site access way.

ESM or delegated person

ESM or delegated person

Unpaved areas

Unpaved areas may be present within the CSAs, especially following the demolition of existing buildings in those areas.

H

H

H

Potential dust from unpaved areas will be suppressed by routinely applying water across areas that are frequently trafficked on dry days.

During particularly dry conditions this may require reapplication of water over unpaved surfaces at a frequency of 30-minutes or less.

In addition, windbreaks or hoarding fences will be installed around the perimeter of the CSA to minimise wind speeds.

Unconsolidated areas are to be compacted.

Uncovered loads of demolition waste being transported

Dust generated from the loads as vehicles access public roads and build up speed resulting in a billowing effect acting on dusty loads.

H

L

M

All loads leaving the site are to have their loads covered.

ESM or delegated person

Movement of vehicles

Dust emissions from the action of wheels and tracks associated with the movement of vehicles (trucks, loaders and excavators) during dry weather.

L-M

In addition to the watering measure described above, vehicle/machinery speeds will be limited to 15 km/hr. Machinery is expected to be already travelling at very slowly and well within this speed limit.

ESM or delegated person

Paved areas

Paved areas can result in dust emissions where a build-up of dusty material occurs over time, allowing that material to be entrained by vehicles or by the wind.

M

Paved areas, particularly frequently trafficked areas, are to be cleaned on a weekly basis using a vacuum sweeper truck to remove the build-up on any dusty material.

ESM or delegated person

M

L

L

M

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Activity/ Facility

Concrete cutting and breaking

Contaminated soils

Potential unmitigated risk

Concrete dust containing crystalline silica generated through cutting and breaking processes.

Contaminated dust and/or odour associated with planned or unexpected discovery of contaminated soils.

P*

M

L

C*

M

M

R*

Control/Procedure

Person responsible

M

Sources of dust associated with this activity will be very localised but concentrated. Only wet cutting of concrete should be undertaken. Any breaking of concrete should only be done under wet conditions (such as a water spray directed onto to the area where breaking occurs).

ESM or delegated person

L-M

Demolition and removal of foundations may occur within reclamation fill or reworked materials, where contaminated soils may be encountered.

See the Contamination Delivery Work Plan (CLDWP – Golder 2019).

ESM or delegated person

Notes: P – Probability; C – Consequence; R – Risk assessment (Priority); L – Low; M – Medium; H – High. ESM – Environment and Sustainability Manager.

In addition to the dust control/procedure noted below, consideration of dust management will form part of the demolition team’s daily toolbox meeting. The daily meeting is to include consideration of the weather forecast for that day and, where necessary, subsequent communication with immediate and potentially affected neighbours.

Where it is verified that dust emissions from the project have caused a significant impact on a neighbouring property, contingency response measures are to be determined and instigated, which may include the cleaning of air filtration intakes, or cleaning of buildings and infrastructure as necessary.

4.0 4.1

DUST MONITORING PROGRAMME General Site Monitoring

The following general site monitoring will be undertaken:



Daily – The project ESM or delegated person will conduct twice daily visual inspections of the project area (including all subcontractor activities), and any issues identified will be recorded and where necessary appropriate response measures actioned. The daily monitoring will include wind conditions and visual inspections in order to check compliance with this AQDWP, and observations shall be recorded in a Daily Log (see Section 4.2 for further details).

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

Weekly – Formal site inspections are to be completed by the ESM. Project area specific checklists will be developed by the ESM to check compliance with this AQDWP.



Monthly – A representative from CRLL, and relevant Site Manager will undertake a monthly site visit with the project ESM, to confirm the work procedures containing environmental controls are being implemented in accordance with this AQDWP. A review of the current risk assessment table (Table 3) will be carried out by project ESM, updating it as required.

At the end of each month, the project ESM will submit a site inspection and environmental performance report to CRLL. The report will include but not be limited to a summary of environmental issues that occurred and actions taken during the month to ensure compliance with this AQDWP. The report will include: i)

Completed project area checklists.

ii)

Details of any action item requests.

iii)

Dust or odour incidents that occurred.

iv)

Complaints received.

v)

Investigations and corrective actions associated with complaint or incident investigations.

vi)

Staff environmental inductions and awareness training.

This AQDWP outlines two monitoring procedures that are to be carried out in order to ensure dust emissions are minimised. These are detailed in the following sections.

4.2

Visual Inspections of Dust Emissions

Visual inspections of the perimeter of the project area will be performed on a twice daily basis during the demolition activities and recorded.

The visual inspections will help to ensure dust control measures are being effective. Records from daily visual inspections recorded in the Daily Logs can also be a useful tool for investigating and responding to complaints. The specific procedures for carrying out visual inspections are outlined below:



Visual inspections will be performed twice each day of operation by the ESM or delegated person around the whole perimeter of the Project area. The exits of the Project area onto adjoining roads will be inspected in order to verify that significant levels of mud or dusty material is not being carried by trucks and machinery onto public roads, and remedial action taken where necessary.



If visible dust emissions are identified beyond the site boundary, the following details must be recorded in the Daily Log form:

▪ the source of the visible dust emissions (special note needs to be taken if dust source is concrete dust as this contains crystalline silica);

▪ the level (extent) of the visible dust emissions: 1) minor visible emissions (<5 m from source), 2) moderate visible emissions (5 to <30 m from source), 3) major visible emissions (>30 m from source),

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▪ a brief description of the colour and opacity of the visible dust emissions (e.g., dim brown, hazy grey, dense black, etc.); and

▪ the time and general weather conditions (i.e., windy, calm, warm, etc.) at the moment the visible dust emissions were identified.



If the assessed level of visible dust emissions is moderate or major, or due to concrete dust, the duty or site manager for the project area must be notified for further action, including ceasing on-site dust generating activities.



When notified for further action, the duty or site manager will investigate the situation and take necessary measures to ensure dust levels do not give rise to offensive or objectionable dust impacts. Such actions will also be recorded in the Daily Log.

4.3

Continuous Monitoring of Total Suspended Particulate

Overview Continuous dust monitoring will be carried out at representative locations adjacent to sensitive areas at all times when dust generating activities related to demolition works are undertaken on site. It is expected that at least two monitors will be in use at any given time and the location of the monitors will be evaluated and relocated routinely as the location of demolition works shifts. The monitoring will provide information on realtime dust levels that can be used for managing dust events if and when they occur. This monitoring programme is designed to complement and enhance the visual inspections described above.

The monitors will be linked to alarms and when trigger levels are exceeded SMS messages will be sent to the duty manager indicating the need to take additional measures to ensure off-site dust effects are controlled (including after-hours). The monitors will be easily re-locatable, able to run without mains power supply and will employ optical nephelometry that works by directing a laser beam through a sample of air containing particulate and measuring the light scattered by the particles in the sample.

Setup and locating device The objective in siting the monitors is to ensure they are located close to sensitive off-site neighbours and adjacent to demolition activities as they occur. The monitors will most likely be located along the top of the hoardings. This will allow the monitoring to pick up on high dust levels as they occur and allow a response to reduce the dust before it becomes a nuisance for the neighbours.

In line with Institute of Air Quality Management (IAQM) Guidance on Monitoring in Vicinity of Demolition and Construction Sites (2018)3 recommendations care needs to be taken with regard to the immediate surrounds when positioning samplers. Sampler inlets should be located:



In a clear, unobstructed position;



Some metres away from any large structures (such as walls of buildings) that might interrupt airflow;



Immediately above the sampler should be open to the sky (free in an arc of at least 270°), with no overhanging trees or other structures;



The sampler head should ideally be located between 1.5 to 4 m above ground level.

3

https://iaqm.co.uk/text/guidance/guidance_monitoring_dust_2018.pdf See section 4.26.

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Data will be automatically telemetered to, and stored at, the site office. The results of the real-time monitoring results shall be displayed in the site office for easy reference to and quick response by staff.

Security fencing is to be set up around each instrument to deter vandalism or theft. It should also be clearly marked so as to avoid the likelihood of damage from machinery or vehicles operating nearby.

If the monitors are run using batteries only, instead of relying on solar photovoltaic cells, then the units shall have a battery alarm that notifies the duty manager via SMS text when to change the battery over. A battery recharge and change over schedule shall also be prepared and adhered to.

Trigger Alarms and Response A pre-determined TSP concentration averaged over 1-hour is to be used as a trigger for activating an alarm response where by an audible alarm sounds within the site office and the site manager and duty manager are notified electronically (i.e., text message to their cell phones).

The pre-determined TSP concentration to be initially used as the trigger alarm threshold is as follows:



70 µg/m³ as a 1-hour average.

The above trigger alarm threshold is a preliminary value and may need to be adjusted depending on the monitor type, experience with the operation of the monitors, and any subsequent feedback from neighbours.

Immediately following the activation of a trigger alarm, the duty manager or delegated staff member will investigate the cause of the alarm trigger to determine whether additional mitigation measures are required to reduce dust emissions.

Each trigger alarm event is to be recorded in the Daily Log along with the findings of the investigation and any mitigation responses taken.

The duty manager is to check the data display system each day of operation to confirm that the monitors are operating correctly, and that the data is being downloaded.

Calibration and Maintenance As part of the calibrations and maintenance programme, the dust monitors will be checked and calibrated in accordance with the manufacturer’s instructions.

5.0

OTHER MINOR DISCHARGES TO AIR

Combustion emissions from the operation of vehicles, and any residual emissions from emission control equipment associated with the project are expected to give rise to air quality effects that are negligible.

However, all machinery and control equipment will be subjected to weekly checks for excessive and prolonged visible emissions and will be serviced in accordance with the supplier’s recommendations. Any malfunctioning machinery is to be repaired, replaced or removed from site within 24 hours.

The Project is not expected to give rise to any offensive or objectionable odour effects. Accordingly, odours effects are expected to be less than minor. If the project results in unforeseen odour emissions or it becomes apparent that odour emissions may occur from an activity, then operations associated with that activity will cease and measures to address the discharge promptly investigated and implemented (including procedures for responding to discharges of odour and equipment inspection).

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COMPLAINTS RESPONSE AND RECORDING

Although measures of this AQDWP are aimed at avoiding complaints regarding dust occurring (complaints regarding odour are not anticipated), in practice complaints may be made on occasions by members of the public.

It is important to ensure that any complaints that are received are recorded, promptly investigated to identify and resolve the cause of the complaint and appropriately responded to. The requirements and procedures on how to accomplish this are detailed in the Construction Environmental Management Plan (CEMP) and the project Communication and Consultation Plan (CCP).

7.0 7.1

ENVIRONMENTAL TRAINING Project Staff

To achieve an effective AQDWP and to ensure off-site air quality impacts comply with resource consent and the CRL designation condition requirements, all project staff (contractors and subcontractors) will undergo general air quality awareness training and training about their responsibilities under the ADWP. As part of the site staff induction, matters relating to dust management will be communicated to all staff and subcontractors prior to starting work on site. Information will be provided on any procedural and/or structural controls employed on the project to mitigate risk to air quality. Site engineers responsible for writing work plans and undertaking site specific safety and environmental risk assessments will also be given guidance on how to assess and plan for the environmental issues considered within the AQDWP. Air quality and other environmental issues will form a regular part of toolbox meetings (to be attended by contractor staff and subcontractors) to ensure all workers are aware of the key issues.

The training requirements outlined in Table 4 are aimed to ensure all staff will receive appropriate training to fully understand the risks of activities on the sites to the environment, particularly with regard to off-site dust impacts, and the requirements of this AQDWP. Regular review of training requirements will be undertaken to ensure all staff are appropriately trained.

Table 4: Training requirements.

Training requirements

Frequency

Attendance

General site environmental management training and familiarly with the AQDWP

As required during new staff induction

All new staff members

Responding to complaints regarding dust and air quality concerns

As required

Site manager, delegated staff member and duty managers

8.0 8.1

RECORD KEEPING Overview

The record keeping requirements of the AQDWP are outlined in Table 5. Details on the Daily Log are provided below.

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Table 5: Record keeping requirements.

Records

Responsibility

Location

Daily Log and weekly/monthly environmental site inspections

ESM

Project office

Complaint records

ESM and on-site personnel involved in the complaint response

Project office

Environmental incident reports

ESM and on-site personnel involved in the environmental incident

Project office

Environmental emergency reports

ESM and on-site personnel involved in the environmental emergency

ESM office

Annual environmental audit

ESM

ESM office

Training records

ESM

ESM office

Revisions to the AQDWP and relevant sub-plans

ESM

ESM office

8.2

Daily Log

Construction activities can be affected by a number of different external and internal factors, such as weather conditions or equipment malfunction, which can contribute to an increase in dust emissions. Various control and mitigation measures are to be carried out on the site in order to prevent such effects. Monitoring and inspection procedures will be used to assess the level of dust emissions both on the site and beyond its boundary. Recording relevant monitoring and inspection results, as well as the conditions of external and internal factors, can help to assess if control measures are being effective and to define appropriate corrective or preventive actions in case any undesirable effects are detected. The Daily Log will provide a record of the relevant monitoring and inspection results.

The site or duty manager for the project will fill out the Daily Log form twice each day and file it in a designated file in the project site office. An example Daily Log form is provided in Appendix A of this ADWP. The following information will be recorded in the Daily Log form: i)

Results of the visual inspections of dust emissions and wind conditions (see Section 4.2 for Visual Inspections procedures).

ii)

Any dust control equipment malfunctions and any remedial action(s) taken.

iii)

General weather conditions during the day (i.e., windy, calm, warm, rain, etc.).

iv)

The frequency of watercart and/or water sprinkling system use.

v)

Complaints received and responses to complaints.

vi)

The use of other mitigation measures, such as the use of chemical dust suppressants or covering of storage piles, and the reasons leading to their use.

vii)

The date, time and signature of the person entering the information.

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ROLES AND RESPONSIBILITIES Overview

Each person involved in the project has equal responsibility to strive to avoid, remedy or mitigate adverse dust effects.

There are three key groups with responsibility for environmental management of the project:



CRLL as the project owner, holder of the resource consents and Requiring Authority responsible for the designation.



The Primary Contractor as the organisation undertaking the works.



Auckland Council (AC) as the consent authority who audits the works and monitors compliance with the designation conditions, the CEMP and Sub-Plans.

During the project, an ESM will be appointed by the primary contractor as part of the Construction Team who will be involved throughout the contract period to give advice and to ensure that the AQDWP and other environmental sub-plans are implemented and maintained.

9.2

Specific Roles and Responsibilities

The key organisations, management roles and responsibilities in relation to air quality management during the demolition associated with the project are outlined in Table 6 below.

Table 6: Environmental management responsibilities.

Organisation

Role

Responsibilities

 CRLL

Consent holder and Project Manager

    

Primary contractor

Project Manager ESM Construction Manager

     

Compliance with the Resource Management Act (RMA) and consent requirements.

Applications for new resource consents associated with changes to the activities proposed within the project.

Review of contractor’s site specific environmental management plans and relevant sub-plans.

Key contact for compliance monitoring.

Inspections, auditing and checking of environmental management practices and procedures.

On-site compliance with consent conditions, DWPs, other requirements and tracking compliance information.

Attendance at compliance meetings with Auckland Council Compliance and Monitoring Officers.

Report to CRLL changes to demolition techniques or natural environmental changes which require alterations to DWPs, existing consents or new resource consents.

Prepare, review and update of CEMP and relevant sub plans.

Facilitate and oversee environmental monitoring.

Update and maintain the environmental portion of the Project Risk Register.

Training of all staff including subcontractors.

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Organisation

Role

Responsibilities Reporting on environmental and sustainability KPIs. Undertaking incident investigations.

Sub-contractors

Construction Manager

    

Auckland Council

Air Quality Consents Team

  

Reviewing and certifying the management plans.

Auditing to assess compliance with the AQMP. Auditing to assess compliance with resource consent requirements.

   

Attend daily toolbox meetings as required.

Be trained in dust and odour management.

Responsible for reporting dust and odour incidents.

Ensure dust and odour management procedures adhered to.

All Construction Team staff

N/A

9.3

Adherence to the AQDWP and sub-plans.

Adherence to resource consent requirements.

Variation of specific management plans, and relevant sub-plans as required.

Contact Details

Contact details for those with key responsibilities in the implementation of this AQDWP will be provided in the final version of the AQDWP once the contractor has been engaged.

10.0 AQDWP AUDITING AND REVIEW 10.1 Introduction This AQDWP may require review and amendment during the life of the project to reflect changes to activities, risks, mitigation measures, responsibilities and management processes.

The ability to make changes to the AQDWP is an important aspect of continually improving the effectiveness of the AQDWP. A review process should also be undertaken once the demolition methods are finalised.

Auditing and review will be undertaken by the ESM. Auditing and review will be used to provide an independent appraisal of the site’s performance in relation to the objectives of the AQDWP. The results of this review process will enable project staff, CRLL and Auckland Council to assess suitability, adequateness and effectiveness of site operations from an environmental perspective.

10.2

Auditing

Auckland Council may visit the site to undertake site inspections and assess compliance with the designation conditions. Site staff will be available to assist Auckland Council staff during these inspections and provide any information required. In particular, any information or records required to be available by any designation condition or resource consents held by CRLL will be kept on site and will be readily available upon request.

All documentation relating to this AQDWP shall be appropriately filed for auditing and review purposes.

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Review

This AQDWP will be reviewed and updated when necessary to reflect changes in the demolition methodologies, and throughout the course of the project as required to reflect material changes associated with a new or changed activity, equipment or location of activities. The procedure for making changes to this AQDWP are given in the CEMP. The AQDWP is subject to a review process with the Community Liaison Group (CLG) established for the project and a suitably qualified independent peer reviewer. A summary of the outcomes of this review process will be provided in Appendix B.

11.0 PROJECT SUSTAINABILITY CRLL is seeking ISCA (Infrastructure Sustainability Council of Australia) IS (Infrastructure Sustainability) Rating for the whole project lifecycle. The requirements of the ISCA CRL IS Technical Manual – Mahi Rauora Aratohu - Version 1.2 are essential to achieve the project’s sustainability goal (Reference to CRLL minimum requirements - Appendices 10, 23 and 24 of the contract documents). The IS rating requirements that relate directly to this AQDWP are included in Appendix C, which need to be reviewed, amended (as and if needed) and confirmed as the project proceeds and prior to commencing works to meet the target levels set for the project and agreed on with ISCA and CRLL.

12.0 LIMITATIONS Your attention is drawn to the document, “Report Limitations”, Appendix D. The statements presented in that document are intended to advise you of what your realistic expectations of this report should be, and to present you with recommendations on how to minimise the risks to which this report relates which are associated with this project. The document is not intended to exclude or otherwise limit the obligations necessarily imposed by law on Golder Associates (NZ) Limited, but rather to ensure that all parties who may rely on this report are aware of the responsibilities each assumes in so doing.

13.0 REFERENCES Golder 2019. Auckland City Rail Link – Contaminated Land Delivery Work Plan for Karangahape Station Construction Support Area Demolition Works. Report prepared by Golder Associates (NZ) Limited for Aurecon New Zealand Limited on behalf of City Rail Link Limited, May 2019.

MfE 2016. Good Practice Guide for Assessing and Managing Dust. Wellington: Ministry for the Environment.

Ministry for the Environment. Publication number: ME 1277.

IAQM 2018. Guidance on Monitoring in the Vicinity of Demolition and Construction Sites. October 2018 (version 1.1). Institute of Air Quality Management.

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APPENDIX A

Daily Log Form

DAILY LOG FORM Date:___/___/_____  Mon  Tue  Wed  Thu  Fri Sat  Sun

VISIBLE DUST EMISSIONS Source

Level*

Colour/Opacity

Time

Weather Cond.

Wind Speed / Wind Direction

(i.e. rain, windy, calm)

(e.g. “7 m/s / NE”)

_______________

____

___________

___:____

____________

__________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

_______________

____

___________

___:____

____________

_________/_________

*Levels (extent) of visible dust emissions: (1) Minor visible emissions (<5m from source); (2) Moderate visible emissions (<30m from source); (3) Major visible emissions (>30m from source).

INVESTIGATION AND RESPONSE Date event was investigated:___/___/_____ Person responsible for investigation and response:________________________________ Possible cause(s):

Corrective actions:

 Dust from wind erosion of exposed ground

Date:

Description:

 Watercart not used properly

___/___/_____

___________________________________________

 Exceedance of speed limit in unpaved surface

___/___/_____

___________________________________________

 Materials not handled or stored properly

___/___/_____

___________________________________________

 Loading/Unloading not carried out properly  Other_________________________________________ ________________________________________________ ________________________________________________ ________________________________________________

Preventive actions: Date:

Description:

___/___/_____

___________________________________________

___/___/_____

___________________________________________

___/___/_____

___________________________________________

________________________________________________

VEHICLES AND MACHINERY – PRESTART CHECK Equipment identification

Excessive or prolonged visible emissions observed?

If yes, describe action taken (e.g., equipment repaired or removed from site within 24 hours):

___________________

________________________

_________________________________________________________

___________________

________________________

_________________________________________________________

___________________

________________________

_________________________________________________________

Person responsible for the above information: Name:______________________ Job Title:_________________________ Signature:______________________ Date:___/___/_____

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APPENDIX B

Community Business Liaison Group and Peer Review Outcomes

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Community Business Liaison Group Review Outcomes A summary of the AQDWP was presented to the Community Business Liaison Group (CLG) followed by a meeting with the CBLG on 28 March 2019.

The CLG meeting was attended by the parties listed in Table B1.

Table B1: CLG meeting attendees.

Attendee

Address

Dave Perkin

51 Pitt Street (Beggs)

Muy Chhour

184 Karangahape Road

Tony Rennell

238 Karangahape Road

Grady Elliott

266, 278, 270 & 335 Karangahape Road

Lynne Frith

78 Pitt St (Methodist Church)

Julie Adamson

78 Pitt St & 203-235 Karangahape Road

Richard Northey

8 Hereford St (Waitemata Local Board rep)

Cecilia Lo

246-254 Karangahape Road

Michael Richardson

8/59 Pitt Street (K Rd Business Association)

Carol Eggleton

235 Karangahape Road (Leo Oâ&#x20AC;&#x2122;Malleys)

Lawson Sue

66-68 Pitt Street

No comments were received from the CLG regarding the Air Quality Delivery Work Plan (Table B2).

Table B2: CLG meeting comments and resolutions.

Comment ID

Date

Time

Forum

Comment

Resolution

1

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Independent Peer Review (IPR) Outcomes The following comments (Table B3) were received from Independent Peer Reviewer on the Air Quality Delivery Work Plan. Overall, the Independent Peer Reviewer considered the document addressed the requirements of the designation conditions well.

Peer Reviewer: Air Matters Limited â&#x20AC;&#x201C; Carol McSweeney Date: 1 May 2019 Table B3: Independent peer review comments and resolution.

AQDWP section

Comment

Resolution

Section 10.0

No consultation plan cross referenced apart from the review of this AQDWP. No process for ongoing communication with the community as required by this designation condition

Cross reference to the Communication and Consultation Plan (CCP) is provided in Section 6.0. Table 1 has been updated to reflect this.

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APPENDIX C

ISCA Requirements

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ISCA REQUIREMENTS CRLL is seeking ISCA (infrastructure Sustainability Council of Australia) IS (Infrastructure Sustainability) Rating for the whole project lifecycle. The requirements of the ISCA CRL IS Technical Manual – Mahi Rauora Aratohu - Version 1.2 are essential to achieve the Project’s sustainability goal (Reference to CRLL minimum requirements - Appendices 10, 23 and 24 of the contract documents).

This Appendix includes IS requirements that are necessary to achieve a target level 2 of Dis-4 ISCA credits.

These requirements remain subject to change as the project goes forward. Hence, the below Table to be reviewed, amended (as and if needed) and confirmed to meet the target level that will be set and agreed upon. The relevant required evidence(s) to achieve the target to be provided at appropriate timing.

ISCA category

Target level

Dis-4

2

Construction requirements

How we aim to achieve this

Benchmark Measures to minimise adverse impacts to local air quality during construction have been identified and implemented.

Section 3 Section 3.3 and Table 3

Air Quality

AND Monitoring of air emissions and/or air quality is undertaken at appropriate intervals and in response to complaints during construction.

AND Monitoring and modelling demonstrates no recurring or major exceedances of air emission or air quality goals.

Evidence Design report, as-built drawings, environmental management plan, asset management plan.

Monitoring reports.

Section 4 – sections 4.1, 4.2, and 4.3 for monitoring Section 6 for complaints, and Section 8 for record keeping/complaints records Modelling is not covered in this DWP. The need for modelling or otherwise to be reviewed once the project goes forward and to be addressed accordingly prior to work progress.

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APPENDIX D

Report Limitations

GAIMS Document No.: 19a, Version 2.1

Issue Date: January 2018

Report Limitations This Report/Document has been provided by Golder Associates (NZ) Limited (“Golder”) subject to the following limitations: i)

This Report/Document has been prepared for the particular purpose outlined in Golder’s proposal and no responsibility is accepted for the use of this Report/Document, in whole or in part, in other contexts or for any other purpose.

ii)

The scope and the period of Golder’s Services are as described in Golder’s proposal, and are subject to restrictions and limitations. Golder did not perform a complete assessment of all possible conditions or circumstances that may exist at the site referenced in the Report/Document. If a service is not expressly indicated, do not assume it has been provided. If a matter is not addressed, do not assume that any determination has been made by Golder in regards to it.

iii)

Conditions may exist which were undetectable given the limited nature of the enquiry Golder was retained to undertake with respect to the site. Variations in conditions may occur between investigatory locations, and there may be special conditions pertaining to the site which have not been revealed by the investigation and which have not therefore been taken into account in the Report/Document. Accordingly, if information in addition to that contained in this report is sought, additional studies and actions may be required.

iv)

The passage of time affects the information and assessment provided in this Report/Document.

Golder’s opinions are based upon information that existed at the time of the production of the Report/Document. The Services provided allowed Golder to form no more than an opinion of the actual conditions of the site at the time the site was visited and cannot be used to assess the effect of any subsequent changes in the quality of the site, or its surroundings, or any laws or regulations.

v)

Any assessments, designs and advice made in this Report/Document are based on the conditions indicated from published sources and the investigation described. No warranty is included, either express or implied, that the actual conditions will conform exactly to the assessments contained in this Report/Document.

vi)

Where data supplied by the client or other external sources, including previous site investigation data, have been used, it has been assumed that the information is correct unless otherwise stated. No responsibility is accepted by Golder for incomplete or inaccurate data supplied by others.

vii)

The Client acknowledges that Golder may have retained subconsultants affiliated with Golder to provide Services for the benefit of Golder. Golder will be fully responsible to the Client for the Services and work done by all of its subconsultants and subcontractors. The Client agrees that it will only assert claims against and seek to recover losses, damages or other liabilities from Golder and not Golder’s affiliated companies. To the maximum extent allowed by law, the Client acknowledges and agrees it will not have any legal recourse, and waives any expense, loss, claim, demand, or cause of action, against Golder’s affiliated companies, and their employees, officers and directors.

viii)

This Report/Document is provided for sole use by the Client and is confidential to it. No responsibility whatsoever for the contents of this Report/Document will be accepted to any person other than the Client. Any use which a third party makes of this Report/Document, or any reliance on or decisions to be made based on it, is the responsibility of such third parties. Golder accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this Report/Document.

golder.com

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