Historic Character Delivery Work Plan (Archaeology Section)

Mt Eden Main Works Historic Character Delivery Work Plan (Archaeology Section) CRL-MTE-RME-LKA-PLN-800046

Revision: 001 Date: 29 June 2020

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Historic Character Delivery Work Plan (Archaeology Section)

Mt Eden Main Works Historic Character Delivery Work Plan (Archaeology Section) CRL-MTE-RME-LKA-PLN-800046

Revision Status Revision

Date

Version details

Prepared By

Approved By

Rev A00

03 April 2020

Draft for Auckland Council and Independent Peer Review

Sarah Macready

-

Rev 000

16 June 2020

Final for pre-lodgement

Sarah Macready

Peter Roan

Rev 001

29 June 2020

Final for submission

Sarah Macready

Peter Roan

Approval Status Name/Title

Signature

Date

Prepared by:

Sarah Macready Project Archaeologist

29 June 2020

Approved by:

Peter Roan Link Alliance – Consenting Lead

29 June 2020

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Historic Character Delivery Work Plan (Archaeology Section)

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

Overview of CRL Works in Mt Eden ................................................................................ 5

1.2

HC DWP (Archaeology Section) Staging .......................................................................... 6

1.3

Purpose of the HC DWP (Archaeology Section) ............................................................... 6

1.4

HC DWP (Archaeology Section) Authors ......................................................................... 6

1.5

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

1.6

Sustainability ................................................................................................................ 8

1.7

HC DWP (Archaeology Section) Review and Updates ...................................................... 8

2. Mt Eden Main Works Description ............................................................ 9 2.1

Overview of Works ........................................................................................................ 9

2.2

Construction staging and methodology .......................................................................... 9

2.3

Site description ........................................................................................................... 10

3. Historic Character Values – Archaeology ................................................ 11 3.1

Archaeological Sites in the Mt Eden Main Works Area .................................................. 11

4. Roles and Responsibilities ...................................................................... 13 4.1

Project Archaeologist Roles and Responsibilities .......................................................... 13

4.2

Construction Team ...................................................................................................... 13

4.3

Key Personnel ............................................................................................................. 13

5. Training.................................................................................................. 15 5.1

Pre-Construction Briefing ............................................................................................ 15

5.2

Toolbox Talks .............................................................................................................. 15

5.3

Training Records ......................................................................................................... 15

6. Archaeological Procedures and Mitigation Measures ............................. 16

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6.1

Mt Eden Railway Station Platform ............................................................................... 16

6.2

Archaeological Discovery Protocols.............................................................................. 16

6.3

Management of Archaeological or Cultural Remains .................................................... 16

6.4

Mana Whenua Protocols ............................................................................................. 16

6.4.1.

Archaeological Remains ................................................................................................ 16

6.4.2.

Kōiwi Tangata (Human Remains) .................................................................................. 16

6.4.3.

Taonga (Māori Artefacts) .............................................................................................. 17

6.5

Recording of Features and Deposits ............................................................................. 18

6.6

Artefact Management Plan .......................................................................................... 18

6.7

Stand Down Periods .................................................................................................... 18

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Historic Character Delivery Work Plan (Archaeology Section) 6.8

Post Excavation Analysis and Archiving ........................................................................ 20

6.9

Reporting Requirements.............................................................................................. 21

7. Communication and Consultation .......................................................... 22 Appendix A: Consultation Record................................................................. 23 A1

CLG Comments ............................................................................................................ 23

A2

IPR Comments............................................................................................................. 23

A3

Auckland Council Comments ....................................................................................... 24

A4

Mana Whenua ............................................................................................................ 24

Appendix B: ISCA Requirements................................................................... 25 Appendix C: HNZPTA Requirements ............................................................. 26

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1.

Introduction

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

Figure 1--1: CRL Route and Location

This Historic Character Delivery Work Plan (Archaeology Section) (HC DWP (Archaeology Section)) has been prepared in relation to the Mt Eden Main Works (“main works”).

1.1 Overview of CRL Works in Mt Eden CRL works in the Mt Eden area involve the construction of the southern section of the tunnel structures and the tie-in of the CRL railway to the existing NAL, including the construction of the redeveloped Mt Eden Station. The Mt Eden Active Construction Zone (ACZ) and Construction Support Areas (CSAs) are generally located between Nikau Street to the north, State Highway 1 (SH1) to the east, Dominion Road to the west and the existing NAL to the south.

The works in this area include: • • • • Page 5

Operational activity required to support the tunnel boring machine (TBM) drive, including control room and plant, storage and spoil handling; Construction of a new Mt Eden Station building, incorporating passenger linkages between the new CRL platform and the modified existing NAL platform; Construction of a ventilation building; Road over rail bridges at Mt Eden Road, Normanby Road and Ruru Street with sections of road realignment;

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Historic Character Delivery Work Plan (Archaeology Section) •

• • •

Grade separation structures for the existing and new rail lines to pass-over and connect with each other, including the Newton Junction Grade Separation Structure, the Eastern Facing Connection and the Western Facing Connection; Installation of retaining walls and utilities; Pedestrian and cyclist bridge structures at Fenton Street and Porters Avenue; and New road linkages within the reinstated area post-construction.

Given the nature and scale of CRL construction works in Mt Eden, works are being undertaken in a staged manner, involving: • •

•

Enabling and early works (demolition, network utility relocation and site establishment work) – early works have commenced and will continue to end of 2020; Main construction works (construction of the underground CRL cut and cover tunnels, grade separation structures and trenches, station building and platforms, and tie-ins to the NAL) to be undertaken from mid-2020 through to mid-2023; and Public realm reinstatement – likely to be undertaken from 2021 to early 2024.

1.2 HC DWP (Archaeology Section) Staging To reflect the staged construction approach for CRL in the Mt Eden area, a series of HC DWPs are being prepared.

This HC DWP (Archaeology Section) addresses the main works, which are detailed in the Construction Environmental Management Plan (CEMP) and summarised in Section 2 of this HC DWP (Archaeology Section).

If required, a HC DWP (Archaeology Section) will also be prepared for the future public realm reinstatement.

1.3 Purpose of the HC DWP (Archaeology Section) This HC DWP (Archaeology Section) has been prepared to identify measures that will be implemented to mitigate and manage potential adverse effects on archaeology during the main works. The objective of the HC DWP (Archaeology Section) is: •

To avoid, remedy or mitigate adverse effects on archaeological remains during construction, as far as is reasonably practicable.

This HC DWP (Archaeology Section) addresses the requirements of CRL designation conditions 41.1 and 42 and will be implemented throughout the construction period.

The HC DWP (Archaeology Section) forms part of the CEMP for the main works. It has been prepared in consultation with the CRL Mana Whenua Forum and Community and Business Liaison Group. A record of the consultation and review outcomes, including the Link Alliance’s response to matters raised, is included in Appendix A.

1.4 HC DWP (Archaeology Section) Authors This HC DWP (Archaeology Section) has been prepared by Sarah Macready, Co-Director of Clough & Associates Ltd.

1.5 Relevant Conditions Page 6

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Historic Character Delivery Work Plan (Archaeology Section) Table 1-1 identifies the designation conditions relevant to this HC DWP (Archaeology Section) and where they are addressed in the document.

Table 1-1: Historic Character – Archaeology conditions and section of the HC DWP (Archaeology Section) where addressed

Condition No.

Condition

Relevant section of HC DWP (Archaeology Section)

41.1

The Historic Character DWP shall be prepared to manage the adverse effects on built heritage and archaeology that may result from associated works prior to, during, and after the construction of the City Rail Link or any part of it.

This document

42.1

A Historic Character DWP shall be prepared to manage the adverse effects on built heritage and archaeology that may result during construction of the City Rail Link or any part of it.

This document

42.2

The objective of the Archaeology section of the Historic Character DWP is to avoid, remedy or mitigate adverse effects on archaeological remains during construction, as far as reasonably practicable.

This document

42.3

To achieve the above objective the following matters shall be included in the Archaeology section of the Historic Character DWP: (a) Constructor roles and responsibilities, stand-down periods and reporting requirements are to be clearly identified;

Sections 4.13, 6.7, 6.9

(b) How procedures for archaeological investigations and monitoring of preliminary earthworks are to be implemented in areas where there is potential for archaeological remains to be discovered;

Section 6.1 and 6.3

(c) Procedures for the discovery of, including accidental discovery of archaeological remains including:

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(i) The ceasing of all physical construction works in the immediate vicinity of the discovery;

Sections 6.2, 6.3, 6.4, 6.7

(ii) Practices for dealing with the uncovering of cultural or archaeological remains and the parties to be notified (including, but not limited to, appropriate iwi authorities, the Auckland Council Consents Monitoring officer, the New Zealand Historic Places Trust [now Heritage New Zealand Pouhere Taonga - HNZPT], and the New Zealand Police (if koiwi (human skeletal remains) are discovered);

Sections 6.2, 6.3, 6.4, 6.5

(iii) Procedures to be undertaken before physical works in the area of discovery can start again, including any iwi protocols, recording of sites and material, recovery of any artefacts, and consultation to be undertaken with iwi, Auckland Council Consent Monitoring officer and Heritage Unit, and with the New Zealand Historic Places Trust [now HNZPT]; and

Sections 6.3, 6.4, 6.5, 6.6, 6.7

(iv) Procedures for recording any archaeological remains or evidence before it is modified or destroyed, including opportunities for the conservation and preservation of artefacts and ecofacts (biological material) that are discovered. Consideration shall be given to the incorporation of in-situ material or artefacts into the design of stations and / or public places associated with the City Rail Link project.

Consideration shall also be given to the provision for ‘post-excavation’ assessment analysis and publication of material within 24 months of completion of construction.

Sections 6.1, 6.5, 6.6, 6.7, 6.8, 6.9

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1.6

(v) Provision for ‘post-excavation’ archiving, assessment and analysis of the archaeological records and materials; publication of results of that work within 24 months of completion of construction assessment analysis and publication of material within 24 months of completion of construction.

Sections 6.8, 6.9

(d) Training procedures for all contractors are to be undertaken in advance of construction, regarding the possible presence of cultural or archaeological sites or material, what these sites or material may look like, and the relevant provisions of the Historic Places Act 1993 [now the Heritage New Zealand Pouhere Taonga Act 2014] if any sites or material are discovered;

Sections 4.2, 5

(e) Cross references to the specific sections in the Communication and Consultation Plan which details how the Auckland Council Heritage Department, the New Zealand Historic Places Trust [now HNZPT], mana whenua (see condition 8) are consulted, and the communication with the general public on the management of the adverse effects relating to archaeology.

Section 7

Sustainability

The Link Alliance is seeking an Infrastructure Sustainability Council of Australia (ISCA) Infrastructure Sustainability (IS) Rating for the CRL project. Further details can be found in the CEMP and Sustainability Management Plan. Sustainability requirements that relate directly to this HC DWP (Archaeology Section) are included in Appendix B. These requirements are imbedded within the Delivery Work Plans and Management Plans to ensure that sustainability is a key focus and ‘the way we do things’.

In some cases, the IS requirements and sustainability goals enhance the designation and consent requirements.

1.7

HC DWP (Archaeology Section) Review and Updates

This HC DWP (Archaeology Section) is a live document that will be reviewed and updated at least annually, or as a result of a material change to the main works, or to address unforeseen adverse effects arising from construction, or unresolved complaints. Refer to sections 1.9 and 6.7 of the CEMP for further detail on the review and updating process.

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2.

Mt Eden Main Works Description 2.1 Overview of Works

The main works involve construction along several active work fronts concurrently within the Mt Eden area at any one time, to enable the redevelopment of Mt Eden Station and establish the CRL tie-ins to the NAL. Works will be carried out in a staged fashion. The construction staging and methodologies are described in greater detail in the CEMP. Within the main works area, there are already other works occurring in accordance with the Mt Eden Enabling Works (OPW60350039) and Normanby Road Early Works (OPW60351423) outline plan packages.

This HC DWP (Archaeology Section) has been prepared to address the entire main works area as outlined in Figure 2-1.

In summary, the main works involve: • •

• • • • • •

Ground improvements, in the form of deep soil mixing (contiguous piling and grout injection), within the NAL corridor between Mt Eden Road Bridge and Normanby Road; Bulk excavations and construction of retaining walls along the NAL to provide for the rail trenches and installation of new tracks. The excavation will encounter basalt, which will be removed via rock-breaking and blasting. In places, softer ground conditions are anticipated to be encountered, which may require the use of sheet piles; Construction of the eastern and western crossover structures that enable the CRL rail lines to tie-in to the NAL; Construction of the Porters Avenue and Fenton Street pedestrian and cyclist bridges.

Construction of the Normanby Road grade separation bridge, including regrading of Normanby Road and realigning the Boston Road roundabout; Redevelopment of the existing NAL platform; Construction of the CRL platform, and the foundations and building structures for the Mt Eden Station building and the ventilation building; and Operation of the TBM, including the conveying of spoil material from the tunnels and the refuelling and general maintenance of the TBM within CSA 4.

2.2 Construction staging and methodology The main works will be divided into several stages within the various work areas.

Generally, the works along the NAL are divided into two stages to allow works on the northern (downmain) or southern (upmain) sections to correspond with the ‘Single Line Running’ of train services through the construction area.

Works within the Mt Eden station area are divided into 12 stages. Stages 1-4 have already been addressed in the Mt Eden Enabling Works outline plan package, and stages 5-12 will be undertaken as part of the main works. For the new Mt Eden Station building and ventilation building, construction of the foundations and building structures will be undertaken as part of stages 5-12, while the finishing of the of the buildings, including internal and external fittings, will be completed as part of the future public realm reinstatement.

The construction staging, and methodologies are described in sections 2.3 and 2.4 of the CEMP. Page 9

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2.3 Site description The main works will be undertaken in the vicinity of the existing Mt Eden Station and along the NAL, in an existing urban environment. The main works area is generally bounded by the NAL (south), State Highway 1 (east), Dominion Road (west), and Nikau Street (north). The main works will include construction activity along Nikau Street, Ruru Street, Porters Avenue, Fenton Street, Haultain Street, Ngahura Street, Flower Street, Shaddock Street, Mt Eden Road, Normanby Road, Boston Road and Nugent Street.

CRL Designation 2500-6 KiwiRail Designation 6300

Figure 2-1: Site and extent of main works

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3.

Historic Character Values – Archaeology 3.1 Archaeological Sites in the Mt Eden Main Works Area

Three archaeological sites have been recorded within the main works area (Figure 3-1). These are: 1. R11/51, a shell midden site related to MÄ ori settlement, recorded in the 1960s near the railway lines and within 31 Ruru Street, but subsequently destroyed by development works.

2. R11/3079, a pre-1900 building and any associated subsurface remains at 31 Shaddock Street.

The building was demolished prior to the enabling works following archaeological recording, and this was addressed in a separate demolition phase HC DWP (Archaeology Section) (OPW60335715). There were also associated subsurface remains on the property which will have been investigated, recorded and removed during the enabling works, under a separate DWP. 3. R11/3080, a pre-1900 building and any associated subsurface remains at 6 Flower Street. The building was removed prior to the enabling works following archaeological recording, and again this was addressed in the separate demolition phase HC DWP (Archaeology Section).

There is potential for associated subsurface remains on the property, but these will have been investigated, recorded and removed prior to the main works under a separate enabling works HC DWP.

Figure 3-1: Recorded archaeological/historic heritage sites within or adjacent to the Project area (indicated in red), with dashed red lines indicating the scheduled extent of place of Mt Eden Prison. Areas of identified archaeological potential at 6-10 Ngahura Street and 19 Shaddock Street indicated in blue.

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Historic Character Delivery Work Plan (Archaeology Section) The archaeological requirements relating to the two pre-1900 buildings (R11/3079 and R11/3080) were addressed in the Mt Eden Demolition Historic Character Delivery Work Plan (Archaeology Section) 2018.

The archaeological requirements relating to subsurface remains associated with the two pre-1900 buildings (R11/3079 and R11/3080) were addressed in the Mt Eden Enabling Works Historic Character Delivery Work Plan (Archaeology Section) 2019. This also addressed the potential for subsurface archaeological remains to be exposed elsewhere within the main works area, including at 19 Shaddock Street, the location of a 1920s timber building. This building has been demolished but was identified as having some potential for subsurface archaeological remains relating to earlier (pre-1900) occupation of the property.

Modern development within other properties in the main works area and within road reserves would have removed most evidence of pre-1900 European or earlier Māori occupation. However, subsurface features relating to 19th century occupation have been exposed at 6-8 Ngahura Street and additional features, such as wells, building foundations and rubbish deposits, may be exposed elsewhere during the enabling works that are still to be carried out. In addition, the presence of remnant Māori occupation remains cannot be excluded.

Within the railway corridor, any remains of the original 19th century railway tracks and formation have been destroyed by subsequent double tracking and electrification works.

It is expected that most if not all of the archaeological remains present in the main works area will be exposed during the enabling works bulk earthworks phase and will have been investigated, recorded and removed as provided for in the Mt Eden Enabling Works HC DWP (Archaeology Section). There are no known areas of pre-1900 archaeological potential for the works along the NAL corridor. Overall, monitoring is not required during the main works.

However, there is a possibility that subsurface pre-1900 or early 20th century archaeological remains may still be present and these may be exposed during the main works. This will be mitigated and managed through the implementation of this HC DWP (Archaeology Section) and an Archaeological Authority (no. 2017/793) issued by Heritage New Zealand Pouhere Taonga (HNZPT) for the wider CRL project (“the HNZPT Authority”) (see Appendix C).

In addition to pre-1900 archaeological sites, the Mount Eden railway station platform is recorded in the Auckland Council Cultural Heritage Inventory (CHI #19369). The original platform has been partially removed and the platform raised, but part of the original 1912 island platform will still be present beneath the existing platform surface. There are also some remnant stone walls south of the tracks at Mount Eden Station, which are likely to post-date 1906, when double tracking began. These are addressed in the HC DWP (Built Heritage Section).

The original Mt Eden Prison immediately adjacent to the main works area is also a recorded archaeological site (R11/2408), and the old prison wall is located immediately adjacent to the NAL railway corridor. Any potential vibration effects on the wall will be addressed in the HC DWP (Built Heritage Section).

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4.

Roles and Responsibilities 4.1 Project Archaeologist Roles and Responsibilities

The Project Archaeologist (refer Table 4-1 below) will be responsible for ensuring that the archaeological requirements set out in this HC DWP (Archaeology Section) and in the HNZPT Authority are fulfilled. This includes ensuring that the Project Archaeologist (or other qualified archaeologist under their direction) is available to respond to call-in by the construction team if any suspected archaeological remains are exposed. It also includes ensuring that the archaeological team adheres to Link Alliance construction site safety requirements and that a Site-Specific Safety Plan for the main works is made available.

The Project Archaeologist will also be responsible for reporting to the relevant parties e.g manawhenua representative and the HNZPT regarding the archaeological work.

4.2 Construction Team Prior to the start of works, the Link Alliance will arrange an on-site meeting with the Project Archaeologist and Mana Whenua representatives, who will provide a briefing to the construction team (Link Alliance personnel and any sub-contractors) on archaeological and cultural requirements for the works.

The Project Archaeologist must be given at least two weeks’ notice by the Link Alliance that works are about to begin. The Alliance shall keep the Project Archaeologist informed as to the work schedule and any changes that may arise.

As set out in sections 6.2, 6.3 and 6.4 of this HC DWP (Archaeology Section), the Link Alliance will temporarily cease works and call-in the Project Archaeologist if suspected archaeological remains are exposed during works when an archaeologist is not present, so that the remains can be assessed and recorded.

As set out in sections 6.3 and 6.7 of this HC DWP (Archaeology Section), the Link Alliance will give the Project Archaeologist sufficient time and opportunity for the recording and sampling of any archaeological features or deposits encountered, and will not resume works in the immediate vicinity until the archaeological work is completed.

4.3 Key Personnel Table 4-1 outlines the key personnel involved in the implementation of this HC DWP (Archaeology Section), including the Project Archaeologist, Mana Whenua, Auckland Council Heritage Team and Compliance Monitoring Officer, HNZPT and key Alliance personnel.

Table 4-1: Key Personnel

Title Project Archaeologist (and Approved Archaeologist under the HNZPT Authority for the Project)

Name & Contact Details Rod Clough - Clough & Associates Ltd 027 485 0059; heritage@clough.co.nz

Auckland Council Cultural Heritage Implementation Team contact person

Myfanwy Eaves: 021 849 877; Myfanway.Eaves@aucklandcouncil.govt.nz

Auckland Council Compliance Monitoring Officer

Timothy O’Grady

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Historic Character Delivery Work Plan (Archaeology Section) Title

Name & Contact Details 021 834 584; Timothy.OGrady@aucklandcouncil.co.nz

HNZPT Mid-Northern Regional Archaeologists

Sarah Phear, Greg Walter (09)3079924; GWalter@heritage.co.nz

Mana Whenua representatives (if remains relating to Maori occupation are found)

Victoria Jessop (first contact) 0272306381; Victoria.jessop@cityraillink.co.nz

NAL Project Managers:

MTN/WFC2/Mt Eden Station Project Manager,

Glen Kirk Francois Pageron Thibaut L’Hopital

NAL Construction Manager

Nick Adams

Environmental and Sustainability Manager

Sarah Sutherland Sarah.sutherland@linkalliance.co.nz

EFC1 / WFC2 Project Manager, EFC2 and piling Project Manager,

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5.

Training 5.1 Pre-Construction Briefing

Prior to the start of works, the Project Archaeologist (or other qualified archaeologist acting under their direction) will provide a briefing on the archaeological requirements as contained within this section of the HC DWP (Archaeology Section) to the Link Alliance and all staff working on the main works. These requirements include but are not limited to: • • • •

Statutory requirements under the HNZPTA; How to recognise archaeological material (of pre-1900 or early 20th century date) if exposed during excavation works; What actions need to be taken should any archaeological material or remains be exposed or encountered; and Who to contact in the event of archaeological material being exposed, if the Project Archaeologist (or other qualified archaeologist acting under their direction) is not present on site at the time.

Mana Whenua representatives will also be invited to provide a briefing on cultural requirements in case archaeological remains relating to Māori occupation are exposed during the clearance works.

5.2 Toolbox Talks The Project Archaeologist (or other qualified archaeologist acting under their direction) will attend toolbox meetings as required during the course of the works. The purpose of which will be to remind staff of the Project archaeological requirements and to ensure that any new staff joining the team are fully briefed prior to the commencement of works.

5.3 Training Records A record of attendance at briefing and training sessions will be held by the Environmental and Sustainability Manager as part of the project training record (refer to the CEMP for further detail in this regard).

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6.

Archaeological Procedures and Mitigation Measures 6.1 Mt Eden Railway Station Platform

During demolition of the existing NAL Mt Eden railway station platform, the Project Archaeologist (or other qualified archaeologist under their direction) will record a section through the platform and details of the original 1912 platform construction beneath the surface of the current platform.

6.2 Archaeological Discovery Protocols As noted in Section 3.1, there is only limited potential for subsurface archaeological remains to be exposed during the main works. However, the possibility that archaeological features and deposits may be exposed during construction will be managed and mitigated by call-in of the Project Archaeologist by the construction team; the recording of any remains exposed; and the recovery of samples of archaeological material for further analysis.

If suspected archaeological remains (of pre-1900 or early 20th century date) are encountered, works will stop in the immediate vicinity of the find until the Project Archaeologist (or other qualified archaeologist acting under their direction) can assess the site.

6.3 Management of Archaeological or Cultural Remains Once in situ archaeological features or deposits (of pre-1900 or early 20th century date) have been confirmed, the Project Archaeologist will advise the relevant Project Manager and works will not resume in the immediate area until the necessary archaeological investigation and recording has been completed. The Project Archaeologist (or other qualified archaeologist acting under their direction) will investigate and record the remains, in accordance with accepted archaeological practice as set out in Sections 6.5 to 6.9 of this HC DWP (Archaeology Section) and the requirements of the HNZPT Authority.

If remains indicating Māori occupation or kōiwi tangata (human remains) are exposed, the protocols outlined in Section 6.4 of this HC DWP (Archaeology Section) will be followed.

If significant archaeological features or deposits are identified during the main works, the Auckland Council (Cultural Heritage Implementation Team Leader and Compliance Monitoring Officer), HNZPT and mana whenua will first be notified by the Project Archaeologist, and the remains will then be investigated and recorded in accordance with accepted archaeological practice and as directed by HNZPT, if of pre-1900 date. Any significant remains of 20th century date will also be investigated and recorded as directed by the Auckland Council Cultural Heritage Implementation Team Leader.

6.4 Mana Whenua Protocols 6.4.1. Archaeological Remains If archaeological remains relating to Māori occupation are exposed, the Project Archaeologist will inform the appropriate mana whenua representatives, HNZPT and Auckland Council (Compliance Monitoring Officer and Cultural Heritage Implementation Team Leader).

6.4.2. Kōiwi Tangata (Human Remains) If bone material is identified that could potentially be human, the following protocol will be adopted: Page 16

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Historic Character Delivery Work Plan (Archaeology Section) • •

•

• •

• •

•

Earthworks/investigation will cease in the immediate vicinity while the Project Archaeologist (or other approved archaeologist) establishes whether the bone is human; If it is not clear whether the bone is human, work shall cease in the immediate vicinity until the Auckland University reference collection and/or a specialist can be consulted and a definite identification made; If bone is confirmed as human (kōiwi tangata), the Project Archaeologist will immediately contact the mana whenua representatives, HNZPT, the NZ Police Auckland Central crime squad and Auckland Council Cultural Heritage Implementation Team Leader and Compliance Monitoring Officer; The site will be secured in a way that protects the kōiwi as far as possible from further damage; Once the NZ Police and HNZPT are satisfied that the remains are archaeological, consultation will be undertaken between the mana whenua representatives, the HNZPT Regional Archaeologist, the Auckland Council Cultural Heritage Implementation Team and City Rail Link Limited (CRLL) to determine and advise the most appropriate course of action. No further action will be taken until responses have been received from all parties, and the kōiwi will not be removed until advised by HNZPT; The Mana Whenua representatives will advise on appropriate tikanga and be given the opportunity to conduct any cultural ceremonies that are appropriate; If the Mana Whenua representatives are in agreement and so request, the bones may be further analysed by a skilled bio-anthropological specialist prior to reburial, in line with the HNZPT Guidelines Kōiwi Tangata Human Remains (2010); and Activity in that place can recommence as soon the bones have been reinterred or removed and authorisation has been obtained from HNZPT.

6.4.3. Taonga (Māori Artefacts) Māori artefacts such as carvings, stone adzes, and greenstone objects are considered to be taonga (treasures). These are taonga tūturu within the meaning of the Protected Objects Act 1975. Taonga may be discovered in isolated contexts, but are generally found within archaeological sites. If taonga are discovered the following protocols will be adopted: • •

•

•

•

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The area containing the taonga will be secured in a way that protects the taonga as far as possible from further damage, consistent with conditions of the HNZPT Authority; The Project Archaeologist will then inform HNZPT, Auckland Council Cultural Heritage Implementation Team and the nominated Mana Whenua representatives so that the appropriate actions (from cultural and archaeological perspectives) can be determined; These actions will be carried out within the stand down period specified in Section 6.7 of this HC DWP (Archaeology Section), and work may resume at the end of this period or earlier if advised by HNZPT or the Project Archaeologist; The Project Archaeologist will notify the Ministry for Culture and Heritage of the find within 28 days as required under the Protected Objects Act 1975. This can be done through the Auckland War Memorial Museum; and The Ministry for Culture and Heritage, in consultation with Mana Whenua, will decide on custodianship of the taonga. If the taonga requires conservation treatment (stabilisation), this can be carried out by the Department of Anthropology, University of Auckland (09-373-7999) and would be paid for by the Ministry for Culture and Heritage. It would then be returned to the custodian or the Auckland War Memorial Museum. | Mt Eden Main Works

Historic Character Delivery Work Plan (Archaeology Section)

6.5 Recording of Features and Deposits Any in situ pre-1900 or significant 20th century archaeological deposits or features exposed during the main works will be investigated, recorded and sampled consistent with accepted archaeological practice as set out in this HC DWP and in accordance with the requirements of the HNZPT Authority.

Detailed notes of each feature and deposit will be made, photographs will be taken, and all subsurface features located will be detailed on the site plan. Stratigraphic drawings and photographs of features and deposits will be undertaken.

Sufficient time and opportunity will be allowed for the recording and sampling of any archaeological features or deposits encountered (see section 6.7). The archaeologist(s) will record the archaeological feature(s) or deposit(s) as quickly as possible so that works may resume without undue delay.

6.6 Artefact Management Plan The locations of artefact deposits will be marked on the site plan and retained for analysis. If large numbers of artefacts relating to European occupation are exposed, a representative sample will be retained.

The process for storage, analysis and display shall be as follows: • • •

• •

Artefacts will be bagged, labelled by date and context, and may initially be stored in a secure on-site lock-up facility provided by the contractor; As soon as is feasible, artefacts will be transferred to the Project Archaeologist’s offices for cleaning, recording and analysis; Any significant artefacts and/or artefacts meriting public display, will be identified by the Project Archaeologist and, in consultation with relevant stakeholders, will be considered either for display within the new Mt Eden Station Building or for donation to the Auckland War Memorial Museum, as appropriate; Any wooden or fibre artefacts of significance will be wrapped/contained as required for short term preservation and analysis; and Less significant finds will be disposed of following recording and analysis, subject to CRLL agreement, unless a museum is willing to accept the collection.

Artefacts will be conserved by appropriate specialists if this is recommended by the Project Archaeologist based on the level of significance and suitability for display or addition to museum collections.

Any Māori artefacts that meet the criteria of taonga tūturu under the Protected Objects Act 1975 will, in addition, be managed as set out under the Mana Whenua Protocols (Section 6.4.3 of this HC DWP (Archaeology Section)).

6.7 Stand Down Periods Depending on what is revealed by the earthworks, stand down periods involving the ceasing of works in the immediate vicinity may be required at various stages to allow for archaeological work to be carried out or for consultation with the appropriate parties.

Stand down will require clearance works to cease only in the immediate vicinity of the feature or find, and work may proceed in other areas. The maximum stand-down periods in Table 6-1 will apply but works may be resumed earlier if the required work has been completed.

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Historic Character Delivery Work Plan (Archaeology Section) Timeframes need to be flexible enough to ensure that archaeological works are completed as necessary to ensure that the procedures in this HC DWP (Archaeology Section) and the conditions of the HNZPT Authority are met.

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Historic Character Delivery Work Plan (Archaeology Section) Table 6-1: Maximum stand down periods

Trigger

Stand Down Period

Requirements

Release

Archaeological feature, deposit or artefacts

Maximum 2 days in each location, but work may continue in areas where no remains are identified.

Sufficient time must be allowed for the archaeologist to investigate and record the remains.

Work resumes when the Project Archaeologist advises the site foreman that work is completed.

Significant archaeological feature, deposit or artefacts, or significant 20th century historic heritage remains, that were not anticipated

Up to three days for a response from HNZPT for pre-1900 remains, and in most circumstances up to three days for any detailed investigation required.

Up to three days for a response from Auckland Council Cultural Heritage Implementation Team if significant post-1900 historic heritage remains are found, and in most circumstances up to three days for any detailed investigation required.

The likely requirement is a mitigation investigation and/or recording by standard archaeological techniques, but this will be advised by HNZPT, or

by Auckland Council Cultural Heritage Implementation Team if the find is of 20th century date. Note that there may be special circumstances in which a longer period of stand down for investigation is deemed necessary by either HNZPT or Auckland Council.

Work resumes when the Project Archaeologist (and the Council’s Compliance Monitoring Officer in the case of post-1900 remains) advises the site foreman that work is completed.

Human bone found

As agreed between the project manager, HNZPT, Auckland Council and mana whenua.

HNZPT and NZ Police to be satisfied that kōiwi identification is correct.

Mana Whenua representative(s) to organise reinterment or removal of bones from site and appropriate cultural ceremonies.

Work resumes following reinternment or removal of bones from site and when authorisation from HNZPT and the Council’s Compliance Monitoring Officer has been received.

Taonga or archaeological remains of Māori origin found

Up to three days.

HNZPT and mana whenua representative(s) to be consulted on appropriate action.

Archaeological recording as required.

Work resumes when the Project Archaeologist or HNZPT advises the site foreman that work is completed.

6.8 Post Excavation Analysis and Archiving Artefacts and faunal material retained from the site will be analysed and recorded by the appropriate specialists with the results presented in the final archaeological report, which will be provided to the parties specified in Section 6.9 of this HC DWP (Archaeology Section) for information and archiving.

Depending on what is exposed, consideration will be given to displaying archaeological material such as artefacts within the new Mt Eden Station building.

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Historic Character Delivery Work Plan (Archaeology Section) Any artefacts of significance relating to European occupation of the area that are recovered from the site that are not required for display may be offered to the Auckland War Memorial Museum in consultation with the Link Alliance and CRLL. Any Māori artefacts (taonga tūturu) will be dealt with in accordance with the Mana Whenua Protocols outlined in Section 6.4 of this HC DWP (Archaeology Section) and the requirements of the Protected Objects Act 1975.

Archaeological material identified by the Project Archaeologist as being appropriate for Carbon 14 dating will be sent to the University of Waikato’s Radiocarbon Dating Laboratory for age determination.

6.9 Reporting Requirements During the course of the Project, information on any archaeological discoveries will be provided to the Auckland Council (Cultural Heritage Implementation Team and the Compliance Monitoring Officer), HNZPT and Mana Whenua.

Opportunities for provision of information to the public via on site and media releases will be taken in consultation with those parties, depending on whether any significant archaeology is exposed during earthworks.

In compliance with the requirements of HNZPT Authority, a written summary report will be provided by the Project Archaeologist to the Link Alliance, HNZPT, Auckland Council’s Cultural Heritage Implementation Team and the Compliance Monitoring Officer and mana whenua within 20 days of the completion of the project works, in addition to the annual summary reports. A full and final monitoring report will be completed within 12 months of the end of the CRL project works, and will be provided to the Link Alliance, HNZPT, Auckland Council’s Cultural Heritage Implementation Team and the Compliance Monitoring Officer (for inclusion in the Cultural Heritage Inventory), the NZ Archaeological Association Central File, mana whenua and any other parties specified in the CRL designation conditions and the HNZPT Authority. On completion of the final report, the Project Archaeologist will update the archaeological site records on the New Zealand Archaeological Association (NZAA) Site Recording Scheme (ArchSite database) and Auckland Council Cultural Heritage Inventory with a summary of the results and reference to the final report.

Depending on the significance of the archaeological information recovered, articles may be submitted to academic journals for publication.

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Historic Character Delivery Work Plan (Archaeology Section)

7.

Communication and Consultation

Refer to section 7.2.7 of the main works Communication and Consultation Plan (CCP) (Appendix G of the CEMP) with respect to consultation with the Auckland Council Cultural Heritage Implementation Team, HNZPT, Mana Whenua and the public in relation to archaeological aspects of the works.

Matters to be discussed with project stakeholders will include: • • • •

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How adverse effects on archaeology are being managed; Opportunities for public observation of excavations during the main works; Opportunities and avenues for providing information to stakeholders and the public regarding archaeological discoveries during the main works; and The display of archaeological material and artefacts within the new Mt Eden Station building, if material meriting public display is recovered during the main works.

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Historic Character Delivery Work Plan (Archaeology Section)

Appendix A: Consultation Record A1 CLG Comments A Mt Eden CLG meeting was held on 11th May 2020 to discuss the main works and for the CLG to provide comments / feedback on the CEMP and sub-plans, including this HC DWP (Archaeology Section).

No comments were received from the CLG on this HC DWP (Archaeology Section).

A2 IPR Comments The reviewer’s comments have been addressed as follows: HCDWP Section

Table 1-1, 4.2 Figure 6-1

6.7

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Comment

Resolution

In general, the DWP is clear and comprehensive. It largely covers all necessary roles, responsibilities and archaeological procedures clearly and concisely.

A table of acronyms should be provided at the start of the document.

-

There are broken MS Word links

No changes made. Acronyms have been checked and all are spelled out in full when first used These have been corrected

The numbers showing where monitoring is required appear to be in the wrong place, or else the figure is very hard to read.

Stand Down Periods.

This section states that “timeframes need to be flexible” and section 6.6 states that “sufficient time and opportunity will be allowed for the recording and sampling of any archaeological features or deposits encountered.” However, Table 6.1 provides for Maximum Stand Down Periods, which is incompatible with flexible timeframes and sufficient time and opportunity. Row 1 says both ‘Maximum 2 days’ and Sufficient time’. If sufficient time turns out to be 3 or more days, this results in a lack of certainty for the project.

Condition 3 of HNZPT authority 2017/793 states that “All archaeological evidence encountered during the exercise of this authority must be investigated, recorded and analysed in accordance with current archaeological practice.” Current archaeological practice is potentially time consuming and, while it is understood that

No change. There is no figure 6-1 (this is assumed to be a carry over from a previous review).

No changes have been made, as the contents of Table 6.1 are consistent with the Archaeological Management Plan approved under the Heritage NZ Authority (2017/793) and have been standard for previous Authorities and Heritage Management Plans approved

by Council for other projects of this type, where extensive archaeological remains are not expected.

We do not consider there is incompatibility between the fact that the contractor’s timeframes need to be flexible, and the minimum stand down periods given, as the necessary flexibility sits within those timeframes.

Only limited remains are likely to be encountered during the main works, and 2 days has always proved sufficient for the archaeological team to investigate and record any feature encountered in such modified urban

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Historic Character Delivery Work Plan (Archaeology Section) HCDWP Section

Comment

Resolution

the archaeologist will make very reasonable effort to clear the area as quickly as possible, this may not always be possible within the time frames outlined on Table 6.1. This table also states “Note that there may be special circumstances in which a longer period of stand down for investigation is deemed necessary by either HNZPT or Auckland Council.” This is potentially confusing. I suggest that Table 6.1 be changed to Stand Down Triggers, the second column deleted and the table re-formatted to include relevant HNZPT, Council and mana whenua response times.

The Archaeological Management Plan should be also be updated under Condition 1 of authority 2017/793.

contexts, in accordance with current archaeological practice. No change has therefore been made to Row 1 of the table.

In Row 2 column 2 of the table relating to significant discoveries, the stand down period is: “Up to three days for a response from HNZPT for pre-1900 remains, and in most circumstances up to three days for any detailed investigation required.

Up to three days for a response from Auckland Council Cultural Heritage Implementation Team if significant post-1900 historic heritage remains are found, and up to three days for any detailed investigation required.”

Note that the wording for pre-1900 remains states ‘in most circumstances up to three days’, while the Requirements column states that “there may be special circumstances where a longer period of stand down for investigation is deemed necessary by either Heritage NZ or Council”. We consider these statements to be consistent and compatible, with column 3 providing the explanation for the proviso in column 2.

We do not consider that any changes need to be made to the Archaeological Management Plan issued under Authority 2017/793, as this table remains unchanged except where it relates to Auckland Council requirements.

A3 Auckland Council Comments Comments were received from Myfanway Eaves (Auckland Council Cultural Heritage Implementation) on 9 April 2020. It was requested that Chris Mallows’ name be replaced with Myfanwy Eaves as the Cultural Heritage Implementation Team contact in Table 4-1, and this change has been made. It was also noted that remnant stone walls at Mt Eden Station are referred to in the HC DWP (Built Heritage Section). A cross reference has been made to that DWP in section 3.1.

A4 Mana Whenua The HC DWP (Archaeology Section) was issued to Mana Whenua in May 2020 for review.

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Appendix B: ISCA Requirements Table B.1 identifies the ISCA Credit Requirements relevant to this HC DWP (Archaeology Section) and where they are addressed in the document.

Credit

Requirement*

Relevant Section of HC DWP (Archaeology Section)

HER-1

Measures to minimise the adverse impacts to heritage during construction have been identified and implemented.

3, 4, 5 and 6

HER-1 Level 1

Community heritage values have been identified through consultation and integrated into studies.

3, 4.1, 7, Appendix A and Appendix C

HER- 1

Community and key stakeholders have participated in the heritage studies

6.9, 7, Appendix A

Level 1

Level 2

Other relevant Information / Comments

Communication and Consultation Plan

Heritage values beyond those listed in government registers have been identified, considered and addressed.

Heritage has been interpreted to promote local heritage values.

HER-1 Level 3

Opportunities have been identified to enhance heritage values and these have been implemented.

N/A

HER-2

Manawhenua undertake kaitiakitanga responsibilities

5.1, 6.4

Level 3

Refer to the ISCA Rating Tool for full details of the requirements

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Refer Historic Character Delivery Work Plan (Built heritage section).

Historic Character Delivery Work Plan (Archaeology Section)

Appendix C: HNZPTA Requirements In addition to the requirements of the CRL designation, and this HC DWP (Archaeology Section) prepared in accordance with CRL designation condition 42, all modification and investigation of pre1900 archaeological remains are subject to the archaeological provisions of the Heritage New Zealand Pouhere Taonga Act 2014 (HNZPTA) and must be carried out in accordance with the conditions of an Authority issued by HNZPT under that Act. A general Authority for the Aotea Station to Mt Eden Station/NAL works, including modification of any subsurface remains exposed by the Project including the CSA, has been granted by HNZPT (Authority No. 2017/793). The Authority sets management procedures in place for archaeological discoveries.

Care has been taken to ensure that the archaeological procedures set out in this DWP are consistent with the conditions and requirements of the Authority issued by HNZPT.

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