nickel west leinster (l4612/1989/11) · tenure granted under the state agreement ratified by the...
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Nickel West Leinster (L4612/1989/11) Works Approval Application Supplementary Information
TSF 3 Cell E Raise to RL10547.5m
LICENCE AMENDMENT APPLICATION ATTACHMENTS 1A, 1B, 2, 3A, 6, 7, 8 and 9.
ii
Table of Contents
1.Purpose of Document 1
2.Premises Approvals 1
2.1 Tenure 1
2.2 Prescribed Premises Category 1
2.3 Previous works approvals 1
2.4 Other approvals, legislation and guidance 2
3.Description of Proposed Activity 2
3.1 Scope of works 2
3.2 Timing and implementation 6
4.Environmental Impact Assessment 6
4.1 Risk assessment 6
4.2 Sensitive flora & fauna 6
4.3 Heritage 6
4.4 Water management 6
4.5 Groundwater 6
4.6 Noise management 6
5.Fee calculation 9
APPENDIX A:
Proof of Occupier Status (Attachment 1A) 10
APPENDIX B:
ASIC Company Extract (Attachment 1B) 11
APPENDIX C:
Scope of Work & Earthworks Specification 12
iii
List of Tables
Table 1: Prescribed Premises Categories under Current Licence ............................................................................... 1 Table 2: Risk Assessment ............................................................................................................................................ 7 Table 3: Fee calculation ................................................................................................................................................ 9
List of Figures
Figure 1: Locality Plan .................................................................................................................................................. 3 Figure 2: General Arrangement .................................................................................................................................... 4 Figure 3: Decant Tower Sections and Details .............................................................................................................. 5
1
1. Purpose of Document
Nickel West proposes to construct an upstream raise of its Leinster Operations Tailings Storage Facility 3, Cell E to RL10547.5 m. This document provides supplementary information to Nickel West’s Application for Licence Amendment for L4612/1989/11 and to meet the requirements of the following:
Attachment 1A: Proof of occupier status (Appendix A)
Attachment 1B: ASIC Company Extract (Appendix B)
Attachment 2: Map of Premises (Figure 1)
Attachment 3A: Description of Activities (Section 3)
Attachment 6A: Emissions and Discharges (Section 4)
Attachment 7: Siting and Location (Figure 1)
Attachment 8: Other relevant information (Sections 2-4)
Attachment 9: Fee Calculation (Section 5)
2. Premises Approvals
2.1 Tenure
The Nickel West Leinster Operations are located predominately on Mineral Lease 255SA , which is tenure granted under the State Agreement ratified by the Nickel (Agnew) Agreement Act 1974 (WA) (State Agreement). The proposed Paste Plant is located ML255SA and mining tenement M36/230, as shown in Figure 3.
2.2 Prescribed Premises Category
Nickel West Leinster currently holds Environmental Protection Act 1986 Licence L4612/1989/11 and is prescribed under the categories listed in Table 1. The prescribed premises categories will not change with these works.
Table 1: Prescribed Premises Categories under Current Licence
Category Number Description Throughput Classification
5 Processing or beneficiation of metallic or non-metallic ore
3,600,000 tonnes per year (ore processed)
6 Mine dewatering 2,000,000 tonnes per year
57 Used tyre storage 500 tyres or less
64 Class II putrescible landfill 20 tonnes or more per year
85 Sewage facility 44 m3 per day
2.3 Previous works approval
TSF3 Cell E is currently at RL 10 545.5m, with the lift to this height being constructed in accordance with Works Approval W5576/2013/1.
2
2.4 Other approvals, legislation and guidance
Activities on ML255SA are approved by the Minister for State Development, Jobs and Trade, and the State Agreement is administered by the Department of Jobs, Tourism, Science and Innovation (JTSI). Nickel West operates the Leinster mining operations, including ore processing and tailings storage, under a range of Additional Proposals, approved by the Minister. Water abstraction activities, including for dewatering and potable supply, are undertaken in accordance with Licences to Take Water issued under the Rights in Water and Irrigation Act 1914, GLW58111(5), 63834 (4) and 66248(5). This proposal is not a significant proposal and does not require referral to the EPA under Part IV of the Environmental Protection Act 1986 (EP Act). Further to the EP Act, this proposal takes into consideration the requirements of:
Environmental Protection Regulations 1987;
Nickel West Leinster EP Act Licence (L4612/1989/11);
Native Vegetation Clearing Permit CPS222/4;and
Department of Water and Environmental Regulation Guidance Statement – Risk Assessments (November 2016).
3. Description of Proposed Activity
The Leinster processing facility currently produces approximately 2 Mtpa of tailings, which are deposited into paddock type tailings storage facilities (TSF’s), operated under licence L4612/1989/11. Nickel West proposes to construct a 2m upstream raise to the eastern and western embankments of Cell E to crest level RL 10 547.5m, with Cell E decant access causeway also raised by 2m to RL 10 547.5m.
3.1 Scope of works
Refer to the following document provided in Appendix C:
Leinster Nickel TSF3 Cell E raise to RL 10547.5 m (FY19) Scope of Work & Earthworks
Specification, prepared by Coffey Services Australia Pty Ltd
The following figures are provided for TSF Cell E Raise to RL 10547.5m:
Figure 1 Plan LN1280-11062, Locality Plan;
Figure 2 Plan LN1280-11063, General Arrangement Plan; and
Figure 3 Plan LN 1280-11065, Decant Tower Sections and Details.
3
Figure 1: Locality Plan
4
Figure 2: General Arrangement
5
Figure 3: Decant Tower Sections and Details
6
3.2 Timing and implementation
The proposed infrastructure works will commence construction immediately upon receipt of the Works Approval, with operation of the facility required in April 2019. The anticipated construction schedule, pending approvals, is:
Commence construction January 2019
Completion and commence use April 2019
4. Environmental Impact Assessment
4.1 Risk assessment
A risk assessment of the proposal covering all works, commissioning and operation was undertaken in accordance with Department of Water and Environmental Regulation’s (DWER) Guidance on Risk Assessments. Potential environmental risks associated with the project are summarised in Table 2. Nickel West considers that with the existing and proposed management controls, the residual environmental risks associated with the project are likely to be acceptable.
4.2 Sensitive flora & fauna
No additional clearing is required for this proposal
4.3 Heritage
Nickel West utilises an electronic database to ensure that personnel do not disturb any Cultural heritage sites whilst undertaking activities around Nickel West’s tenure. There will be no impact on identified cultural heritage sites.
4.4 Water management
Surface water will be diverted away from excavations as described in the proposal documentation (Appendix C).
4.5 Groundwater
The Leinster site (NLN) is supported by a network of groundwater monitoring and recovery bores, monitored on a regular basis in accordance with Licence L4612/1989/11. Water levels in bores adjacent to TSF typically fluctuate in response to tailings deposition into the Facility and mine dewatering activities associated with nearby mining areas. Data collected under conditions of Licence L4612/1989/11 is detailed in the NLN Annual Environment Report. The hydrogeology of the NLN site is well understood and has been studied extensively in the past. The hydrogeological situation of the NLN Paste Plant poses minimal risk to the groundwater resources. It is proposed that the groundwater monitoring and recovery program specified within Condition W6, Table 4 of Licence L4612/1989/11 will be maintained following the commissioning of the raised TSF Cell.
4.6 Noise management
Noise impacts from the activity will be limited to the prescribed premises location. There are no
nearby sensitive receptors. Accordingly noise impacts are not considered in Table 2.
7
Table 2: Risk Assessment
Risk identification Risk Analysis (Prior to management / control measure) – refer to Tables 1 and 2
Risk Management Residual Risk Analysis (After management / control measure) – refer to Tables 1 and 2
Suggested Regulatory Controls
Risk
Possible Result Environmental pathways possibly affected
Consequence Likelihood Risk Matrix Rating
Management / Control Measures
Consequence Likelihood Risk Matrix Rating
Dust emissions from construction activities
Airborne dust Soil Vegetation
Minor Possible Medium Water sprays and wet condition of work surfaces
Minor Unlikely Medium
Construct in accordance with proposal documentation.
Hydrocarbon spills from contractor plant and equipment during construction
Hydrocarbon contamination
Soils Surface Water
Minor Possible Medium Immediate removal of spilled material; contaminated material disposed of to an approved location.
Slight Unlikley Low
Surface diversion or dewatering discharge to environment
Sediment laden water discharges to local drainage
Surface water Minor Unlikely Medium Surface water diversion in place
Dewatering if required, with discharge to TSF Return water pond
Minor Rare Low
Seepage from completed TSF once in operation
Groundwater contamination from tailings leachate seepage
Groundwater Moderate Possible Medium Tailings are non-reactive
Groundwater monitoring in accordance with existing licence including monthly standing water level & quarterly water quality sampling
Moderate Unlikely Medium Operate in accordance with conditions of licence L4612/1989/11
8
9
5. Fee calculation
As per section 12.6 of the Application for Works Approval Form, the application fee has been calculated based on the following:
Table 3: Fee calculation
Cost of works $ Fee Units1 Works Approval Fee Calculation Fee Unit = $40.602
$915 000
125 40.60 x 125 = $5075
1 Schedule 3, Environmental Protection Regulations 1987 2 2018-19 Fee schedule, https://www.der.wa.gov.au/our-work/licences-and-works-approvals/489-industry-regulation-faqs
10
APPENDIX A: Proof of Occupier Status (Attachment 1A)
11
APPENDIX B: ASIC Company Extract (Attachment 1B)
Order number: 38415729Your Reference: Closure
Data extracted from ASIC: 05/08/16 17:28
BHP BILLITON NICKEL WEST PTY LTD 004 184 598ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184 598
This extract contains information derived from the AustralianSecurities and Investment Commission's (ASIC) database undersection 1274A of the Corporations Act 2001.Please advise ASIC of any error or omission which you may identify.
IDENTIFICATIONACN: 004 184 598
ABN: 76 004 184 598
Current Company Name: BHP BILLITON NICKEL WEST PTY LTD
Registered in: Victoria
Place of Registration:
Registration Date: 02/03/1933
Previous State Number: C0017575N
Governance Type:
Review Date: 01/03/2017
CURRENT COMPANY DETAILSName: BHP BILLITON NICKEL WEST PTY LTD Doc# 023 112 152
Period from: 01/09/2006
Name Start: 01/09/2006
Status: REGISTERED
Type: AUSTRALIAN PROPRIETARY COMPANY
Class: LIMITED BY SHARES
Subclass: PROPRIETARY COMPANY
Disclosing Entity: Y
FORMER COMPANY DETAILSName: WMC RESOURCES LTD Doc# 5E1388352
Period from: 27/06/2005 to 31/08/2006
Name Start: 31/05/1996
Status: REGISTERED
Type: AUSTRALIAN PUBLIC COMPANY
Class: LIMITED BY SHARES
Subclass: UNLISTED PUBLIC COMPANY
Disclosing Entity: Y
Name: WMC RESOURCES LTD Doc# 5E0949394
Period from: 04/12/2002 to 26/06/2005
Name Start: 31/05/1996
Status: REGISTERED
Type: AUSTRALIAN PUBLIC COMPANY
Class: LIMITED BY SHARES
Subclass: LISTED PUBLIC COMPANY
Disclosing Entity: Y
Name: WMC RESOURCES LTD Doc# 010 353 497
Period from: 31/05/1996 to 03/12/2002
Name Start: 31/05/1996
Status: REGISTERED
Type: AUSTRALIAN PUBLIC COMPANY
Class: LIMITED BY SHARES
Subclass: UNLISTED PUBLIC COMPANY
Disclosing Entity: Y
Name: WESTERN MINING CORPORATION LIMITED Doc# 000 243 215 ((AR 1990))
Period from: 02/03/1933 to 30/05/1996
Name Start: 02/03/1933
Status: REGISTERED
Type: AUSTRALIAN PUBLIC COMPANY
Class: LIMITED BY SHARES
Subclass: UNLISTED PUBLIC COMPANY
Disclosing Entity: N
CURRENT COMPANY ADDRESSAddress Type: Registered Office Doc# 7E4533591
Address: 'CITY SQUARE BROOKFIELD PLACE' LEVEL 42125-137 ST GEORGES TERRACEPERTH WA 6000
Period from: 28/06/2012
Address Type: Principal Place of Business Doc# 7E4533591
Address: 'CITY SQUARE BROOKFIELD PLACE' LEVEL 42125-137 ST GEORGES TERRACEPERTH WA 6000
Period from: 18/06/2012
FORMER COMPANY ADDRESSAddress Type: Registered Office Doc# 7E3307885
Address: 'CENTRAL PARK BUILDING' LEVEL 33152-158 ST GEORGES TERRACEPERTH WA 6000
Period from: 26/11/2010 to 27/06/2012
Address Type: Registered Office Doc# 1E5064209
Address: LEVEL 16'CENTRAL PARK BLDG'152-158 ST GEORGES TERRACEPERTH WA 6000
Period from: 07/01/2009 to 25/11/2010
Address Type: Registered Office Doc# 1E1267391
Address: 'BHP BILLITON CENTRE' LEVEL 27180 LONSDALE STREETMELBOURNE VIC 3000
Period from: 26/08/2005 to 06/01/2009
Address Type: Registered Office Doc# 010 360 214
Address: LEVEL 1660 CITY ROADSOUTHBANK VIC 3006
Period from: 31/05/1996 to 25/08/2005
Address Type: Registered Office Doc# 000 243 215 ((AR 1990))
Address: LEVEL 31360-374 COLLINS STREETMELBOURNE VIC 3000
Period from: 18/11/1988 to 30/05/1996
Address Type: Registered Office
Address: LEVEL 29360-374 COLLINS STREETMELBOURNE VIC 3000
Period from: 02/03/1933 to 17/11/1988
Address Type: Principal Place of Business Doc# 1E5064210
Address: LEVEL 33'CENTRAL PARK BUILDING'152-158 ST GEORGES TERRACEPERTH WA 6000
Period from: 31/12/2008 to 17/06/2012
Address Type: Principal Place of Business Doc# 1E1267391
Address: 'BHP BILLITON CENTRE' LEVEL 27
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 2 of 19
180 LONSDALE STREETMELBOURNE VIC 3000
Period from: 03/08/2005 to 30/12/2008
Address Type: Principal Place of Business Doc# 0E3343421 ((AR 1999))
Address: LEVEL 1660 CITY ROADSOUTHBANK VIC 3006
Period from: 13/12/1996 to 02/08/2005
Address Type: Principal Place of Business Doc# 00418459G ((AR 1996))
Address: LEVEL 1660 CITY ROADSOUTHBANK VIC 3006
Period from: 13/12/1996 to 11/08/1999
Address Type: Principal Place of Business Doc# 00418459F ((AR 1995))
Address: LEVEL 31360-374 COLLINS STREETMELBOURNE VIC 3000
Period from: 30/06/1995 to 17/12/1996
Address Type: Principal Place of Business Doc# 00418459E ((AR 1994))
Address: LEVEL 31360-374 COLLINS STREETMELBOURNE VIC 3000
Period from: 30/06/1994 to 30/11/1995
Address Type: Principal Place of Business Doc# 000 243 215 ((AR 1990))
Address: LEVEL 31360-374 COLLINS STREETMELBOURNE VIC 3000
Period from: 01/01/1991 to 06/12/1994
CURRENT COMPANY OFFICERSRole: Director Doc# 7E6101154
Name: MORAR, BHAVESH THAKOR LAL
Address: 16A SIMPSON STREETAPPLECROSS WA 6153
Date of Birth: 03/07/1974
Place of Birth: LAUTOKA FIJI
Appointment Date: 16/05/2014
Cease Date:
Role: Director Doc# 7E6923584
Name: HAEGEL, EDUARD REINER
Address: 2A HAIG ROADDALKEITH WA 6009
Date of Birth: 29/04/1965
Place of Birth: BRISBANE QLD
Appointment Date: 01/05/2015
Cease Date:
Role: Secretary Doc# 7E7045797
Name: MCMEEKIN, SAMANTHA JANE CECELIA
Address: 5 TROYTOWN WAYMELVILLE WA 6156
Date of Birth: 02/01/1974
Place of Birth: KATHERINE NT
Appointment Date: 01/06/2015
Cease Date:
Role: Secretary Doc# 7E7058095
Name: WILLIAMS, CANDICE MARY
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 3 of 19
Address: 31 ORREL AVENUEFLOREAT WA 6014
Date of Birth: 04/12/1973
Place of Birth: DUBLIN IRELAND
Appointment Date: 01/06/2015
Cease Date:
Role: Ultimate Holding Company Doc# 1E1042614
Name: BHP BILLITON LIMITED
ACN: 004 028 077
Address:
Appointment Date:
Cease Date:
FORMER COMPANY OFFICERSRole: Principal Executive Officer Doc# 000 243 215 ((AR 1990))
Name: MORGAN, HUGH MATHESON
Address: 4 YAR ORRONG ROADTOORAK VIC 3142
Date of Birth: 09/09/1940
Place of Birth: MELBOURNE VIC
Appointment Date: 05/01/1987
Cease Date: 08/12/1995
Role: Principal Executive Officer
Name: PARBO, ARVI HILLAR
Address: LONGWOOD737 HIGHBURY ROADVERMONT SOUTH VIC 3133
Date of Birth: 10/02/1926
Place of Birth: TAKKINN ESTONIA
Appointment Date: 02/03/1933
Cease Date: 05/01/1987
Role: Director Doc# 7E4477032
Name: HARVEY, PAUL JOHN
Address: 'SEBEL RESIDENCE'60 ROYAL STREETEAST PERTH WA 6004
Date of Birth: 05/10/1963
Place of Birth: HODDESDON/HERTFORDSHIRE UNITED KINGDOM
Appointment Date: 25/05/2012
Cease Date: 01/05/2015
Role: Director Doc# 7E3877996
Name: COSTARAS, CHRISTOS
Address: 10 DUNCRAIG ROADAPPLECROSS WA 6153
Date of Birth: 24/04/1970
Place of Birth: DURBAN SOUTH AFRICA
Appointment Date: 29/07/2011
Cease Date: 28/04/2014
Role: Director Doc# 7E4361537
Name: EVANS, MICHAEL GERARD
Address: 4 ALLORA AVENUESUBIACO WA 6008
Date of Birth: 23/05/1962
Place of Birth: BULLI NSW
Appointment Date: 23/03/2012
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 4 of 19
Cease Date: 13/07/2012
Role: Director Doc# 1E2842443
Name: HOOPER, STEPHEN GEORGE
Address: 99 GROVE ROADLESMURDIE WA 6076
Date of Birth: 07/06/1969
Place of Birth: BRISBANE QLD
Appointment Date: 31/12/2006
Cease Date: 17/02/2012
Role: Director Doc# 1E5064207
Name: ISAACS, LEWIS WAYNE
Address: 201 HAY STREETPERTH WA 6000
Date of Birth: 17/10/1955
Place of Birth: ILLINOIS UNITED STATES
Appointment Date: 05/12/2008
Cease Date: 29/07/2011
Role: Director Doc# 1E5763768
Name: TIVER, GRAHAM CLIFFORD
Address: 97 WEBSTER STREETNEDLANDS WA 6009
Date of Birth: 26/04/1970
Place of Birth: CARNARVON WA
Appointment Date: 05/12/2008
Cease Date: 29/07/2011
Role: Director Doc# 1E3811427
Name: BOND, GERARD MICHAEL
Address: 19 JIMBELL STREETMOSMAN PARK WA 6012
Date of Birth: 20/02/1968
Place of Birth: ALEXANDRA VIC
Appointment Date: 05/11/2007
Cease Date: 10/04/2010
Role: Director Doc# 1E5064184
Name: WILSON, JAMES JOHN
Address: 12 COLONIAL GARDENSMOSMAN PARK WA 6012
Date of Birth: 06/08/1962
Place of Birth: MARIENTAL NAMIBIA
Appointment Date: 05/12/2008
Cease Date: 31/10/2009
Role: Director Doc# 1E1547715
Name: CAMPBELL, CHRISTOPHER MICHAEL
Address: 16 KEANE STREETPEPPERMINT GROVE WA 6011
Date of Birth: 27/09/1962
Place of Birth: LINCOLN NEW ZEALAND
Appointment Date: 06/06/2005
Cease Date: 05/12/2008
Role: Director Doc# 1E2842443
Name: WILSON, JAMES JOHN
Address: 12 COLONIAL GARDENSMOSMAN PARK WA 6012
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 5 of 19
Date of Birth: 06/08/1962
Place of Birth: MARIENTAL NAMIBIA
Appointment Date: 31/12/2006
Cease Date: 06/02/2008
Role: Director Doc# 1E2313309
Name: EDNEY, IAN CHARLES
Address: 47 LISSON GROVEHAWTHORN VIC 3122
Date of Birth: 30/06/1957
Place of Birth: LEONGATHA VIC
Appointment Date: 11/07/2006
Cease Date: 07/11/2007
Role: Director Doc# 1E2313309
Name: CHADWICK, NIGEL
Address: 18 WILSON STREETGLEN IRIS VIC 3146
Date of Birth: 02/11/1960
Place of Birth: RAMSBOTTOM UNITED KINGDOM
Appointment Date: 11/07/2006
Cease Date: 02/11/2007
Role: Director Doc# 1E3068488
Name: KERR, GRAHAM
Address: 68 THE PROMENADEMOUNT PLEASANT WA 6153
Date of Birth: 17/04/1971
Place of Birth: FREMANTLE WA
Appointment Date: 11/07/2006
Cease Date: 08/10/2007
Role: Director Doc# 1E2313309
Name: POINTON, CHRISTOPHER RICHARD
Address: UNIT 4619 BOWMAN STREETSOUTH PERTH WA 6151
Date of Birth: 05/02/1948
Place of Birth: KINGSTON-ON-THAMES, SURREY UNITED KINGDOM
Appointment Date: 11/07/2006
Cease Date: 01/01/2007
Role: Director Doc# 1E2313309
Name: BERRIE, DAVID WALLACE
Address: 176 HERITAGE DRIVEROLEYSTONE WA 6111
Date of Birth: 15/04/1962
Place of Birth: RUSTINGTON UNITED KINGDOM
Appointment Date: 11/07/2006
Cease Date: 06/10/2006
Role: Director Doc# 021 426 414
Name: AUSTIN, ANTHONY HAROLD
Address: 20 COONIL CRESCENTMALVERN VIC 3144
Date of Birth: 27/09/1962
Place of Birth: ACCRA GHANA
Appointment Date: 24/06/2005
Cease Date: 11/07/2006
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 6 of 19
Role: Director Doc# 021 426 414
Name: RUDD, BRENDAN CRAIG
Address: 33 KINGSLEY STREETCAMBERWELL VIC 3124
Date of Birth: 27/10/1961
Place of Birth: MELBOURNE VIC
Appointment Date: 24/06/2005
Cease Date: 11/07/2006
Role: Director Doc# 1E1030068
Name: SALAMON, MIKLOS
Address: 1 THE DRIVE WONERSH, GUILDFORD SURREY,GU5 0QWUNITED KINGDOM
Date of Birth: 14/04/1955
Place of Birth: BUDAPEST HUNGARY
Appointment Date: 06/06/2005
Cease Date: 07/07/2006
Role: Director Doc# 1E2022229
Name: VANSELOW, ALEXANDRE
Address: 55 CENTURION BUILDING 376 QUEENSTOWNROAD LONDONUNITED KINGDOM
Date of Birth: 16/07/1962
Place of Birth: RIO DE JANEIRO BRAZIL
Appointment Date: 11/04/2006
Cease Date: 07/07/2006
Role: Director Doc# 1E1030068
Name: LYNCH, CHRISTOPHER JAMES
Address: 247 BEACONSFIELD PARADEMIDDLE PARK VIC 3206
Date of Birth: 23/09/1953
Place of Birth: BROKEN HILL NSW
Appointment Date: 06/06/2005
Cease Date: 01/04/2006
Role: Director Doc# 0E8619859
Name: MEIKLEJOHN, DAVID EDWARD
Address: 23 CHIVERS ROADTEMPLESTOWE VIC 3106
Date of Birth: 22/01/1942
Place of Birth: MARYBOROUGH QLD
Appointment Date: 19/04/2002
Cease Date: 24/06/2005
Role: Director Doc# 7E0065341
Name: PIZZEY, GEORGE JOHN
Address: UNIT 32 LANSELL ROADTOORAK VIC 3142
Date of Birth: 28/07/1945
Place of Birth: MELBOURNE VIC
Appointment Date: 01/12/2003
Cease Date: 24/06/2005
Role: Director Doc# 011 345 835
Name: CLARKE, ADRIENNE ELIZABETH
Address: 35 PARK DRIVE
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 7 of 19
PARKVILLE VIC 3052
Date of Birth: 06/01/1938
Place of Birth: MELBOURNE VIC
Appointment Date: 16/08/1996
Cease Date: 06/06/2005
Role: Director Doc# 012 350 060
Name: WEBBER, IAN ERNEST
Address: 220 STANLEY STREETNORTH ADELAIDE SA 5006
Date of Birth: 20/05/1935
Place of Birth: MELBOURNE VIC
Appointment Date: 10/06/1997
Cease Date: 06/06/2005
Role: Director Doc# 0E3343421 ((AR 1999))
Name: KNIGHT, PETER JOHN
Address: 34 GOLDSMITH ROADDALKEITH WA 6009
Date of Birth: 25/09/1938
Place of Birth: MORAWA WA
Appointment Date: 13/08/1997
Cease Date: 06/06/2005
Role: Director Doc# 0E7526468
Name: MICHELMORE, ANDREW GORDON
Address: 24 HUNTINGTOWER ROADARMADALE VIC 3143
Date of Birth: 28/09/1952
Place of Birth: MELBOURNE VIC
Appointment Date: 13/08/2002
Cease Date: 06/06/2005
Role: Director Doc# 0E8696641
Name: DUNDAS, ALAN KEVIN
Address: 4 MILSON STREETSOUTH PERTH WA 6151
Date of Birth: 25/07/1956
Place of Birth: GYMPIE QLD
Appointment Date: 12/03/2003
Cease Date: 06/06/2005
Role: Director Doc# 7E0065341
Name: MCGREGOR, GRAEME WILLIAM
Address: 4 THE ESPLANADEPORTARLINGTON VIC 3223
Date of Birth: 23/01/1939
Place of Birth: MULLUMBIMBY NSW
Appointment Date: 01/12/2003
Cease Date: 06/06/2005
Role: Director Doc# 0E5714202 ((AR 2001))
Name: BERGMAN, TOMMIE CARL-ERIK
Address: 33 MANDOLONG ROADMOSMAN NSW 2088
Date of Birth: 08/06/1945
Place of Birth: ANGELHOLM SWEDEN
Appointment Date: 01/01/2001
Cease Date: 06/06/2005
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 8 of 19
Role: Director Doc# 005 088 293
Name: BURGESS, IAN GLENCROSS RADCLIFFE
Address: 16 STACK STREETBALMAIN NSW 2041
Date of Birth: 26/11/1931
Place of Birth: SYDNEY NSW
Appointment Date: 04/08/1993
Cease Date: 02/05/2003
Role: Director Doc# 0E3036173
Name: VINES, ROGER ANDREW GEOFFREY
Address: UNIT 3101 BINDARING PARADECLAREMONT WA 6010
Date of Birth: 12/11/1936
Place of Birth: BENDIGO VIC
Appointment Date: 09/03/1999
Cease Date: 02/05/2003
Role: Director Doc# 000 243 215 ((AR 1990))
Name: MORGAN, HUGH MATHESON
Address: 4 YAR ORRONG ROADTOORAK VIC 3142
Date of Birth: 09/09/1940
Place of Birth: MELBOURNE VIC
Appointment Date: 01/09/1976
Cease Date: 01/01/2003
Role: Director Doc# 000 243 215 ((AR 1990))
Name: MORLEY, DONALD MARSHALL
Address: 88 ST VINCENT PLACEALBERT PARK VIC 3206
Date of Birth: 11/02/1940
Place of Birth: BRISBANE QLD
Appointment Date: 31/03/1983
Cease Date: 04/09/2002
Role: Director Doc# 011 345 835
Name: PHILLIPS, MERVYN JOHN
Address: 77 FIRST AVENUEFIVE DOCK NSW 2046
Date of Birth: 01/04/1930
Place of Birth: SYDNEY NSW
Appointment Date: 16/08/1996
Cease Date: 18/06/2002
Role: Director Doc# 0E5714202 ((AR 2001))
Name: WOODALL, ROY
Address: WONNAMINTA HOUSEWONNAMINTA DRIVECRAFERS SA 5152
Date of Birth: 03/11/1930
Place of Birth: PERTH WA
Appointment Date: 20/06/1978
Cease Date: 11/04/2001
Role: Director Doc# 012 016 466
Name: BRYDON, DAVID JOHN
Address: UNIT 70190 ALBERT STREET
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 9 of 19
EAST MELBOURNE VIC 3002
Date of Birth: 06/11/1929
Place of Birth: MELBOURNE VIC
Appointment Date: 14/08/1987
Cease Date: 04/10/2000
Role: Director Doc# 000 655 907
Name: ANDERSON, JOHN CARSON
Address: 18 THOMSON ROADCLAREMONT WA 6010
Date of Birth: 07/01/1931
Place of Birth: PERTH WA
Appointment Date: 05/10/1987
Cease Date: 15/04/1999
Role: Director Doc# 00418459C ((AR 1992))
Name: PARBO, ARVI HILLAR
Address: LONGWOOD737 HIGHBURY ROADVERMONT SOUTH VIC 3133
Date of Birth: 10/02/1926
Place of Birth: TALLINN ESTONIA
Appointment Date: 18/09/1970
Cease Date: 15/04/1999
Role: Director Doc# 000 243 215 ((AR 1990))
Name: AITKEN, DONALD HECTOR
Address: 34 GLENGARIFF DRIVEFLOREAT WA 6014
Date of Birth: 08/01/1925
Place of Birth: GUILDFORD WA
Appointment Date: 24/10/1987
Cease Date: 16/09/1997
Role: Director Doc# 000 243 215 ((AR 1990))
Name: KRAMER, LEONIE JUDITH
Address: 12 VAUCLUSE ROADVAUCLUSE NSW 2030
Date of Birth: 01/10/1924
Place of Birth: MELBOURNE VIC
Appointment Date: 20/09/1984
Cease Date: 15/11/1996
Role: Director Doc# 000 655 917
Name: HULLEY, KEITH ROBERT
Address: 6 BOANDYNE COURTTOORAK VIC 3142
Date of Birth: 02/03/1940
Place of Birth: KWE KWE ZIMBABWE
Appointment Date: 06/02/1991
Cease Date: 30/09/1996
Role: Director Doc# 003 400 737
Name: LAIDLAW, DONALD HOPE
Address: 45 CHURCH TERRACEWALKERVILLE SA 5081
Date of Birth: 06/08/1923
Place of Birth: ADELAIDE SA
Appointment Date: 03/11/1988
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 10 of 19
Cease Date: 15/11/1995
Role: Director Doc# 000 243 215 ((AR 1990))
Name: AMOS, HAROLD SCOTT
Address: HAYSEYS ROADNARRE WARREN EAST VIC 3804
Date of Birth: 06/05/1920
Place of Birth: BRISBANE QLD
Appointment Date: 14/08/1969
Cease Date: 15/10/1993
Role: Director Doc# 000 655 907
Name: KNIGHT, HAROLD MURRAY
Address: 76 YARRARA ROADWEST PYMBLE NSW 2073
Date of Birth: 13/08/1919
Place of Birth: MELBOURNE VIC
Appointment Date: 30/09/1982
Cease Date: 07/11/1991
Role: Director
Name: BADGER, GEOFFREY MALCOLM
Address: 1 ANNA COURTWEST LAKES SA 5021
Date of Birth: 10/10/1916
Place of Birth: PORT AUGUSTA SA
Appointment Date: 02/03/1933
Cease Date: 03/11/1988
Role: Director
Name: GREIG, JOHN LINDSAY
Address: 6 BENSON AVENUETOORAK VIC 3142
Date of Birth: 11/09/1914
Place of Birth: MELBOURNE VIC
Appointment Date: 02/03/1933
Cease Date: 04/10/1987
Role: Director
Name: TOWNSING, KENNETH JOSEPH
Address: 22 ROBIN STREETMENORA WA 6050
Date of Birth: 25/07/1914
Place of Birth: KALGOORLIE WA
Appointment Date: 02/03/1933
Cease Date: 04/10/1987
Role: Director
Name: PARRY, KEITH FRANCIS
Address: 55 RULE STREETNORTH FREMANTLE WA 6159
Date of Birth: Unknown
Place of Birth: UNKNOWN
Appointment Date: 02/03/1933
Cease Date: 10/05/1986
Role: Secretary Doc# 1E4927633
Name: LEES, ROBIN BRIAN
Address: 11 BRONZEWING LOOPWEMBLEY WA 6014
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 11 of 19
Date of Birth: 18/06/1956
Place of Birth: JERSEY ANDS CHANNEL ISLANDS UN UNITED KINGDOM
Appointment Date: 16/10/2008
Cease Date: 01/11/2015
Role: Secretary Doc# 1E3723134
Name: SMITH, FIONA CATHERINE DAVIS
Address: 24 JOBSON STREETWILLIAMSTOWN VIC 3016
Date of Birth: 18/09/1962
Place of Birth: SYDNEY NSW
Appointment Date: 05/10/2007
Cease Date: 01/09/2008
Role: Secretary Doc# 1E3723134
Name: MCKAIG, NATALIE ELLEN
Address: UNIT 111320 ST KILDA ROADMELBOURNE VIC 3004
Date of Birth: 03/06/1974
Place of Birth: AYR QLD
Appointment Date: 05/10/2007
Cease Date: 01/09/2008
Role: Secretary Doc# 021 426 414
Name: MALLETT, ROSS EDWIN
Address: 114 JELLS ROADWHEELERS HILL VIC 3150
Date of Birth: 10/10/1956
Place of Birth: GEELONG VIC
Appointment Date: 24/06/2005
Cease Date: 28/09/2007
Role: Secretary Doc# 1E2313309
Name: BUTCHER, SAMUEL ANDREW
Address: 8 KILMUIR ROADMALVERN EAST VIC 3145
Date of Birth: 19/06/1968
Place of Birth: ADELAIDE SA
Appointment Date: 11/07/2006
Cease Date: 05/10/2006
Role: Secretary Doc# 1E1030068
Name: WOOD, KAREN JOY
Address: 58 ROWENA PARADERICHMOND VIC 3121
Date of Birth: 21/02/1956
Place of Birth: SWAN HILL VIC
Appointment Date: 06/06/2005
Cease Date: 10/07/2006
Role: Secretary Doc# 0E4003280
Name: HORTON, PETER JOHN
Address: 13 ETHEL STREETMALVERN VIC 3144
Date of Birth: 17/01/1959
Place of Birth: DELEGATE NSW
Appointment Date: 01/01/2000
Cease Date: 24/06/2005
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 12 of 19
Role: Secretary Doc# 1E0733266
Name: HARRIS, STEPHEN GARY
Address: 10 URQUHART STREETHAWTHORN VIC 3122
Date of Birth: 28/04/1960
Place of Birth: BALLARAT VIC
Appointment Date: 08/03/2005
Cease Date: 24/06/2005
Role: Secretary Doc# 000 243 215 ((AR 1990))
Name: MALLETT, ROSS EDWIN
Address: 114 JELLS ROADWHEELERS HILL VIC 3150
Date of Birth: 10/10/1956
Place of Birth: GEELONG VIC
Appointment Date: 07/02/1990
Cease Date: 11/02/2005
Role: Secretary Doc# 0E3343421 ((AR 1999))
Name: KNIGHTS, ALAN ROBERT
Address: 19 FLOWERDALE ROADGLEN IRIS VIC 3146
Date of Birth: 29/01/1950
Place of Birth: TOLLESBURY ESSEX UNITED KINGDOM
Appointment Date: 01/01/1996
Cease Date: 01/01/2000
Role: Secretary Doc# 00418459B ((AR 1991))
Name: GRIMWADE, FREDERICK SHEPPARD
Address: 8 POWER AVENUETOORAK VIC 3142
Date of Birth: 23/06/1958
Place of Birth: MELBOURNE VIC
Appointment Date: 15/12/1989
Cease Date: 01/01/1996
Role: Secretary
Name: RALPH, GILBERT MURRAY
Address: 2 BAXTER COURTMOUNT WAVERLEY VIC 3149
Date of Birth: 30/01/1933
Place of Birth: PETERBOROUGH SA
Appointment Date: 12/09/1986
Cease Date: 16/05/1994
Role: Secretary
Name: DIXON, GRAHME STRANTON
Address: 6 VALLEY VIEW ROADGLEN IRIS VIC 3146
Date of Birth: 10/08/1939
Place of Birth: CAULFIELD VIC
Appointment Date: Unknown
Cease Date: 15/12/1989
Role: Alternate Director Doc# 1E1030068
Name: FAST, JOHN CLAUDE
Address: 10 STONNINGTON PLACETOORAK VIC 3142
Date of Birth: 06/10/1949
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 13 of 19
Place of Birth: PARIS FRANCE
Appointment Date: 06/06/2005
Cease Date: 01/04/2006
Role: Appointed Auditor Doc# 00418459F ((AR 1995))
Name: COOPERS & LYBRAND
Number: 094 971 990
Address: 333 COLLINS STREETMELBOURNE VIC 3000
Appointment Date: 05/12/1995
Cease Date: 06/01/2006
Role: Ultimate Holding Company Doc# 000 243 215 ((AR 1990))
Name: ALUMINA LIMITED
ACN: 004 820 419
Address:
Appointment Date:
Cease Date:
CURRENT SHARE CAPITALClass: ORD ORDINARY SHARES Doc# 7E4346830
Number of Issued "Shares" : 2,816,828,744
Amount Paid: $11,063,105,640.40
Amount Due: $0.00
Note: For each class of shares issued by a proprietary company, ASIC records the details of the twenty members of the class (based on shareholdings). The details of anyother members holding the same number of shares as the twentieth ranked member will also be recorded by ASIC on the database. Where available, historical recordsshow that a member has ceased to be ranked amongst the twenty members. This may, but does not necessarily mean, that they have ceased to be a member of thecompany.
FORMER SHARE CAPITALClass: ORD1 ORDANARY 1 Doc# 019 857 463
Number of Issued "Shares" : 54,000
Amount Paid: $210,600.00
Amount Due: $0.00
Class: ORD2 ORDINARY 2 Doc# 019 857 463
Number of Issued "Shares" : 120,100
Amount Paid: $417,948.00
Amount Due: $0.00
Class: ORD3 ORDINARY3 Doc# 019 857 463
Number of Issued "Shares" : 271,800
Amount Paid: $1,176,894.00
Amount Due: $0.00
Class: ORD4 ORDINARY 4 Doc# 019 857 463
Number of Issued "Shares" : 960,600
Amount Paid: $4,169,004.00
Amount Due: $0.00
CURRENT(SHAREHOLDERS/MEMBER)Class: ORD Doc# 7E7772019
Number of Shares Held: 2,816,828,744
Beneficially Owned: Y
Fully Paid: Y
Name: BHP BILLITON LONSDALE INVESTMENTS PTY LTD
ACN: 004 346 972
Address: LEVEL 15171 COLLINS STREETMELBOURNE VIC 3000
Joint Holding: N
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 14 of 19
FORMER(SHAREHOLDERS/MEMBER)Class: ORD Doc# 019 525 578
Number of Shares Held: 212,528,835
Beneficially Owned: N
Fully Paid: Y
Name: NATIONAL NOMINEES LIMITED
ACN: 004 278 899
Address: GPO BOX 1406MMELBOURNE VIC 3001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 179,606,576
Beneficially Owned: N
Fully Paid: Y
Name: WESTPAC CUSTODIAN NOMINEES PTY LIMITED
ACN: 002 861 565
Address: 'ENDEAVOUR HOUSE' G50 PITT STREETSYDNEY NSW 2000
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 69,488,613
Beneficially Owned: N
Fully Paid: Y
Name: CITICORP NOMINEES PTY LTD
ACN: 000 809 030
Address: GPO BOX 764GMELBOURNE VIC 3001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 33,672,666
Beneficially Owned: N
Fully Paid: Y
Name: ANZ NOMINEES LIMITED
ACN: 005 357 568
Address: GPO BOX 2842AAMELBOURNE VIC 3001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 20,762,377
Beneficially Owned: Y
Fully Paid: Y
Name: TECHSURF PROJECTS PTY LTD
ACN: 054 737 030
Address: GPO BOX 2242BRISBANE QLD 4001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 17,407,822
Beneficially Owned: Y
Fully Paid: Y
Name: AMP LIFE LIMITED
ACN: 079 300 379
Address: PO BOX R209ROYAL EXCHANGE NSW 1225
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 15 of 19
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 13,492,490
Beneficially Owned: N
Fully Paid: Y
Name: BNP PARIBAS NOMINEES PTY LIMITED
ACN: 084 150 023
Address: PO BOX R209ROYAL EXCHANGE NSW 1225
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 10,382,862
Beneficially Owned: N
Fully Paid: Y
Name: HSBC CUSTODY NOMINEES (AUSTRALIA) LIMITED
ACN: 003 094 568
Address: GPO BOX 5302SYDNEY NSW 2001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 6,208,210
Beneficially Owned: N
Fully Paid: Y
Name: COMMONWEALTH CUSTODIAL SERVICES PTY LTD
ACN: 000 485 487
Address: GPO BOX 4122SYDNEY NSW 2001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 6,143,600
Beneficially Owned: Y
Fully Paid: Y
Name: NATIONAL AUSTRALIA TRUSTEES LTD.
ACN: 007 350 405
Address: GPO BOX 247BMELBOURNE VIC 3001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 2,350,000
Beneficially Owned: N
Fully Paid: Y
Name: AUSTRALIAN UNITED INVESTMENT COMPANY LIMITED
ACN: 004 268 679
Address: LEVEL 4555 COLLINS STREETMELBOURNE VIC 3000
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 2,077,935
Beneficially Owned: Y
Fully Paid: Y
Name: GOVERNMENT SUPERANNUATION OFFICE
Address: NATIONAL NOMINEES LTDGPO BOX 1406MMELBOURNE VIC 3001
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 16 of 19
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 2,071,288
Beneficially Owned: N
Fully Paid: Y
Name: UBS NOMINEES PTY LTD
ACN: 001 450 522
Address: LEVEL 25 GOVERNOR PHILLIP TOWER1 FARRER PLACESYDNEY NSW 2000
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 1,905,304
Beneficially Owned: N
Fully Paid: Y
Name: INVIA CUSTODIAN PTY. LIMITED
ACN: 006 127 984
Address: M3788478A IPMGPO BOX 4595SSMELBOURNE VIC 3001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 1,764,167
Beneficially Owned: Y
Fully Paid: Y
Name: AUSTRALIAN FOUNDATION INVESTMENT COMPANY LIMITED
ACN: 004 147 120
Address: GPO BOX 2114SMELBOURNE VIC 3001
Joint Holding: N
Class: ORD Doc# 019 525 578
Number of Shares Held: 1,617,393
Beneficially Owned: Y
Fully Paid: Y
Name: WASHINGTON H. SOUL PATTINSON AND COMPANY LIMITED
ACN: 000 002 728
Address: LEVEL 1160 PITT STREETSYDNEY NSW 2000
Joint Holding: N
Class: ORD Doc# 020 547 362
Number of Shares Held: 4,787,765
Beneficially Owned: N
Fully Paid: Y
Name: A.C.N. 064 960 514 PTY LIMITED
ACN: 064 960 514
Address: LEVEL 8388 GEORGE STREETSYDNEY NSW 2000
Joint Holding: N
Class: ORD Doc# 020 547 362
Number of Shares Held: 252,484,100
Beneficially Owned: N
Fully Paid: Y
Name: J.P. MORGAN NOMINEES AUSTRALIA LIMITED
ACN: 002 899 961
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 17 of 19
Address: LOCKED BAG 7SYDNEY NSW 2001
Joint Holding: N
Class: ORD Doc# 020 547 362
Number of Shares Held: 24,800,147
Fully Paid: Y
Name: RBC INVESTOR SERVICES AUSTRALIA NOMINEES PTY LIMITED
ACN: 097 125 123
Address: GPO BOX 5420SYDNEY NSW 2001
Joint Holding: N
Class: ORD Doc# 020 547 362
Number of Shares Held: 1,994,712
Beneficially Owned: Y
Fully Paid: Y
Name: PERPETUAL TRUSTEE COMPANY LIMITED
ACN: 000 001 007
Address: GPO BOX 4172SYDNEY NSW 2001
Joint Holding: N
Class: ORD Doc# 00418459G ((AR 1996))
Number of Shares Held: 800,000,000
Beneficially Owned: Y
Fully Paid: Y
Name: ALUMINA LIMITED
ACN: 004 820 419
Address: LEVEL 1660 CITY ROADSOUTHBANK VIC 3006
Joint Holding: N
DOCUMENTS RELATING TO EXTERNAL ADMINISTRATION AND/OR APPOINTMENT OF CONTROLLERNote: This extract may not list all documents relating to this status. State and Territory records should be searched.
No record
SATISFIED CHARGESNote: On January 30, 2012 the Personal Property Securities Register (PPS Register) has commenced. The details of current charges will only be available from the PPSRegister and the details of satisfied charges (as at 30th January 2012) can be obtained from ASIC. Further information can be obtained from www.ppsr.gov.au.
ASIC Charge Number:
Status: Deleted
Date/Time Registered: 28/07/1992 01/01/1970
Type: Both Fixed & Floating
Date Created: 22/06/1992
Expiry Date: 27/08/1992
Chargee Name: OUTOKUMPU MT. KEITH PTY. LIMITED
Document Type: 309 NOTIFICATION OF 309A DETAILS OF A CHARGE Doc# 002 468 876
Date Received: 28/07/1992
ASIC DOCUMENTS (except charges)Notes:
• A date or address shown as UNKNOWN has not been updated since the ASIC to over the records in 1991.• Data from Documents with no Date Processed are not included in the Extract.• Documents with "**" pages have not yet been imaged and are not available via DOCIMAGE. Imaging takes approximately 2 weeks from date of lodgement.• Documents already listed under charges are not repeated here.
Form Type Date Received Date Processed Effective Date Pages Doc No
351 07/06/2016 09/06/2016 07/06/2016 26 029 590 285Deed Relating to Class Order
484 09/03/2016 09/03/2016 09/03/2016 2 7E7772019
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 18 of 19
Change to Company Details Change Member Name or Address
484 16/11/2015 16/11/2015 16/11/2015 2 7E7471791Change to Company Details Appointment or Cessation of A Company Officeholder
484 22/06/2015 22/06/2015 22/06/2015 2 7E7058095Change to Company Details Appointment or Cessation of A Company Officeholder
484 17/06/2015 17/06/2015 17/06/2015 2 7E7045797Change to Company Details Appointment or Cessation of A Company Officeholder
484 03/05/2015 03/05/2015 03/05/2015 2 7E6923584Change to Company Details Appointment or Cessation of A Company Officeholder
484 04/06/2014 04/06/2014 04/06/2014 2 7E6101154Change to Company Details Change Officeholder Name Or Address
484 27/05/2014 27/05/2014 27/05/2014 2 7E6079894Change to Company Details Appointment or Cessation of A Company Officeholder
484 01/05/2014 01/05/2014 01/05/2014 2 7E6018746Change to Company Details Appointment or Cessation of A Company Officeholder
484 30/10/2013 30/10/2013 30/10/2013 2 7E5613103Change to Company Details Change Member Name or Address
389 09/10/2013 17/10/2013 09/10/2013 2 028 744 786Annual Notice By Wholly-Owned Entity Annual Notice By Wholly-Owned Entity - Companies
484 18/09/2013 18/09/2013 18/09/2013 2 7E5519844Change to Company Details Change Member Name or Address
9206 16/09/2013 16/09/2013 16/09/2013 60 920 315 801Pre 1991 Annual Return And Other Documents
9206 16/09/2013 16/09/2013 16/09/2013 60 920 315 802Pre 1991 Annual Return And Other Documents
9206 16/09/2013 16/09/2013 16/09/2013 60 920 315 803Pre 1991 Annual Return And Other Documents
PRE-ASIC DOCUMENTSNo record
ANNUAL RETURNSNo record
FINANCIAL REPORTSNo record
ASIC - Current & Historical Extract - BHP BILLITON NICKEL WEST PTY LTD ACN: 004 184598 (cont'd)
Page 19 of 19
Created 07/12/2018 11:45:36 Requested By: Lauren PAROLA/Page 1 of 2
MINING TENEMENT SUMMARY REPORTDISCLAIMER: This is not the official Register referred to in Reg. 84C of the Mining Regulations 1981.
MINERAL LEASE S.A. 70/255 Status: Live
TENEMENT SUMMARY
Area: 4,273.00000 HA Death Reason :
Mark Out : 27/04/1977 00:00:00 Death Date :
Received : 27/04/1977 00:00:00 Commence : 28/04/1977
Term Granted : Expiry : 27/04/2040
CURRENT HOLDER DETAILS
Name and AddressBHP BILLITON NICKEL WEST PTY LTDC/- BHP BILLITON LAND SERVICES - NICKEL WEST, PO BOX 8301, PERTH BUSINESS CENTRE, WA, 6849
DESCRIPTION
Locality: Leinster DownsDatum: Identical to Mineral Leases 36/32-39 as shown of plan at
folio 77 of Mines File 1484/76Boundary: NICKEL (AGNEW) AGREEMENT ACT 1974 - 1976 -
Clause 15 (1) Mines File 1484/76 purpose for NickelNOTE: - 1995 SUMMARY OF SPECIAL AGREEMENTACT LEASES LEASE: NO. 255 HOLDER: WesternMining Corporation Pty Ltd AGREEMENT ACT TITLE:Nickel (Agnew) Agreement Act 1974 MINERAL: NickelTERM TO: 27.04.2019 AREA: 4 273 ha RENTAL RATE:Mining Act RENTAL PER HA: $9.30 CURRENT RENTALPAID: $ 39 738.90 REMARKS: NIL PAID UP UNTIL:27.4.2000 AMOUNT PAID: $21 118.00 DATE PAID:31.5.1999
Area : Type Dealing No Start Date AreaSurveyed 13/09/1983 4,273.00000 HASurveyed 04/11/1980 996.15000 HAApplied For 27/04/1977 966.20000 HA
SHIRE DETAILS
Shire Shire No Start End AreaLEONORA SHIRE 5040 27/04/1977 4,273.00000 HA
RENT STATUS
Due For Year End :Due For Year End :
Mining Tenement Summary Report MINERAL LEASE S.A. 70/255 - Live
Created 07/12/2018 11:45:36 Requested By: Lauren PAROLA/Page 2 of 2
EXPENDITURE STATUS
Expended Year End 27/04/2018: No Expenditure LodgedCurrent Year Commitment : $0.00
12
APPENDIX C: Scope of Work & Earthworks Specification
BHP
Nickel West Leinster
Revision Prepared Reviewed Approved Date Description
A PV / BB (Coffey) GR (Coffey) - 07/08/2018 Issued for review
0 BB (Coffey) GR (Coffey) AH (NiW) 22/08/2018 Issued as final
LEINSTER NICKEL TSF3 CELL E RAISE TO RL10,547.5M
(FY19)
SCOPE OF WORK & EARTHWORKS SPECIFICATION
Prepared by: Coffey Services Australia Pty Ltd
Leinster Nickel Operations 22-August-18 TSF3 Cell E Raise to RL10,547.5m (FY19) – Scope of Work & Earthworks Specification Revision 0
Page i
TABLE OF CONTENTS
Page No.
1. INTRODUCTION & SITE LOCATION ......................................................................... 1
2. DEFINITIONS ................................................................................................................... 1
3. GENERAL SCOPE OF WORK ....................................................................................... 1
3.1 Contractor’s Scope ............................................................................................. 1 3.2 NiW-Supplied Items ........................................................................................... 2 3.3 Work Excluded ................................................................................................... 2
3.4 Drawings ............................................................................................................ 2
3.5 Specifications ..................................................................................................... 2
4. PRELIMINARIES ............................................................................................................. 2
4.1 Terms & Conditions ........................................................................................... 2 4.2 Dimensions & Interpretations ............................................................................ 2 4.3 Inspections .......................................................................................................... 3 4.4 Work by Others .................................................................................................. 3 4.5 Existing Facilities ............................................................................................... 3 (a) Plant and Equipment .......................................................................................... 3
(b) Damage to Existing Property ............................................................................. 3 4.6 Contractor’s Facilities ........................................................................................ 3
4.7 Site Access ......................................................................................................... 3 (a) Access to the Work Area & Materials................................................................ 3 (b) Use of NiW’s Roads ........................................................................................... 3
(c) Roads & Access Tracks ...................................................................................... 3 (d) Traffic Control Devices ...................................................................................... 4
(e) Dust Control ....................................................................................................... 4
5. DETAILED SCOPE OF WORK ...................................................................................... 4
6. BATTERY LIMITS ........................................................................................................... 6
7. SOILS TESTING ............................................................................................................... 6
8. REPORTING ...................................................................................................................... 6
9. HEALTH & SAFETY MANAGEMENT ........................................................................ 7
9.1 Elimination of Fatalities ..................................................................................... 7 9.2 Safety, Environment, Quality & Loss Control ................................................... 7 9.3 Task Hazard Analysis ......................................................................................... 7
10. ENVIRONMENTAL MANAGEMENT .......................................................................... 7
10.1 Pollution & Spillage ........................................................................................... 7 10.2 Disposal of Rubbish ........................................................................................... 7 10.3 Diverting Water & Dewatering .......................................................................... 7
10.4 Site Rehabilitation .............................................................................................. 7
Leinster Nickel Operations 22-August-18 TSF3 Cell E Raise to RL10,547.5m (FY19) – Scope of Work & Earthworks Specification Revision 0
Page ii
11. SURVEY ............................................................................................................................. 8
11.1 Setout .................................................................................................................. 8 11.2 Approval to Proceed ........................................................................................... 8
12. EARTHWORKS VOLUMES ........................................................................................... 8
12.1 Bill of Quantities ................................................................................................ 8 12.2 NiW’s Surveyors ................................................................................................ 8
12.3 Quantities for Payment ....................................................................................... 8
13. EARTHWORKS SPECIFICATION................................................................................ 9
13.1 Clearing & Grubbing .......................................................................................... 9
13.2 Topsoil Stripping ................................................................................................ 9 13.3 Excavation .......................................................................................................... 9 (a) General ............................................................................................................... 9 (b) Excavation for Trenches, Drains & Channels .................................................... 9 (c) Tailings Excavation ............................................................................................ 9
(d) Excavation of Borrow Material ........................................................................ 10 13.4 Classification of Excavated Materials .............................................................. 10 (a) Bulk Earthworks ............................................................................................... 10 (b) Drains and Trenches ......................................................................................... 10
(c) Measurement .................................................................................................... 10 13.5 Utilisation of Excavated Material .................................................................... 10
13.6 Unsuitable Material .......................................................................................... 10
13.7 Dewatering ....................................................................................................... 10
13.8 Foundation Preparation .................................................................................... 11 (a) Embankments ................................................................................................... 11
Tailings Surface ............................................................................................................ 11 Existing Crest ............................................................................................................... 11 (b) Subgrade Preparation for Roads ....................................................................... 12
13.9 Construction Materials ..................................................................................... 12 (c) Zone 2 Embankment Fill ...................................................................... 13
(d) Zone 3a Filter Material ......................................................................... 14 (e) Zone 3b Filter Material ........................................................................ 14
(f) Zone 4a Filter Material ......................................................................... 14 (g) Zone 4b Rip Rap Material .................................................................... 14
(h) Zone 5 Basecourse Material ................................................................. 14 (i) Zone 6 Tailings ..................................................................................... 14 (g) Geotechnical Filter Fabric .................................................................... 14 13.10 Borrow Area Management ............................................................................... 14 13.11 Spoil Area Management ................................................................................... 15
13.12 Embankment Construction ............................................................................... 15 (a) Material Preconditioning ...................................................................... 15 (b) Method of Placement ........................................................................... 15 (c) Zone 1 Material .................................................................................... 15 (d) Zone 2 Material .................................................................................... 15
(e) Zones 3a and 3b Material ..................................................................... 16 (f) Zones 4a and 4b Material ..................................................................... 16
(g) Zone 5 Material .................................................................................... 16 (h) Zone 6 Material .................................................................................... 16 13.13 Compaction ...................................................................................................... 16 (a) Compaction Method Procedure ............................................................ 16
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(b) Compaction Plant ................................................................................. 16
(c) Inspection of Compacted Layers .......................................................... 16 (d) Compacted Fill Densities ..................................................................... 17 (e) Sampling, Testing and Acceptance ...................................................... 17 (f) Lots of the Works for the Purpose of Quality Judgement .................... 18 (g) Acceptance/Rejection Criteria .............................................................. 18
(h) Resubmission of any Rejected Lot ....................................................... 19 (i) QA/QC Register ................................................................................... 19 13.14 Trenching and Drains ....................................................................................... 19 13.15 Tolerances ........................................................................................................ 19
14. DECANT WORKS ........................................................................................................... 20
14.1 Decant Towers .................................................................................................. 20 14.2 Decant Causeway ............................................................................................. 20
15. PIPEWORKS ................................................................................................................... 20
15.1 General ............................................................................................................. 20 15.2 Pipelines and Fittings ....................................................................................... 20 (a) Materials ............................................................................................... 20 (b) Pipeline Installation .............................................................................. 20
(c) Valve Installation ................................................................................. 20 (d) Testing and Commissioning ................................................................. 21
LIST OF APPENDICES
A. Bill of Quantities and Schedules
B. Drawings
C. Fatal Risk Controls
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1. INTRODUCTION & SITE LOCATION
The BHP Billiton Nickel West (NiW) Leinster Nickel Operations (NLN) is located about 330km north of
Kalgoorlie near the town of Leinster, Western Australia.
The NLN Plant currently produces approximately 2Mtpa of tailings.
Tailings are currently deposited into Tailings Storage Facility No. 2 (TSF2) and Tailings Storage Facility No. 3
(TSF3). TSF3 consists of Cells AB, CD and E. TSF2 is located adjacent to and south of TSF3 Cell E. The
TSFs are above-ground ‘paddock’ type facilities and are located approximately 2.5km north of the Plant.
The storage cells are typically upstream raised approximately once every two years to provide additional
tailings storage capacity. TSF3 Cell AB is the current operating cell. Cell E will not be operational during
construction.
This document describes the works required to construct a 2m upstream raise to the eastern and western
embankments of Cell E to crest level RL10,547.5m. The Cell E decant access causeway will be raised by 2m
to RL10,547.5m.
2. DEFINITIONS
The following definitions are referred to within this document:
• NiW - BHP Billiton Nickel West
• NLN - Leinster Nickel Operations
• NiW’s Representative - Mr Barry Daw / Mr Andrew Hollis
• NiW Project Control - Mr Hendrik Kriel
• Geotechnical Engineer - Coffey Services Australia Pty Ltd (Coffey) – Mr Greg Ralls
• Contractor - Cape
• Contractor’s Representative - Mr Michael Coutts
• Contractor’s Site Supervisor - Mr Austin Montgomery
• Site - TSF3 Cell E
• Works - nominal 2m upstream raise to Cell E plus miscellaneous civil works
3. GENERAL SCOPE OF WORK
3.1 Contractor’s Scope
The scope of work comprises the provision of all supervision, labour, temporary works, equipment, materials
and consumables to raise NLN TSF3 Cell E and provide additional tailings storage capacity. In brief, the
works include:
• Removal and reinstatement of the perimeter tailings pipeline.
• Foundation preparation for the upstream raise.
• Excavate, place and compact tailings to construct the upstream raise.
• Load, haul, place and compact oxide materials for the upstream raise bulk fill (where required) and for
capping to the crest and downstream batter of the upstream raise.
• Raise the decant access causeway and construct vehicle turnaround.
• Load, haul, place and compact road base on embankment crest where nominated on the Drawings or as
advised by NiW’s Representative.
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The Contractor is responsible for ensuring reasonable access and proper coordination of the Works under the
contract and to ensure its timely completion. All works will be constructed complete and operational except
as specifically excluded, and will include all necessary auxiliary works, accessories and the incorporation of
all miscellaneous material, minor parts and other such items, whether or not the items are specified, where it
is clearly the intent of the Contract that they should be supplied or where they are obviously required and
necessary to complete the work.
3.2 NiW-Supplied Items
NiW will provide the following for the Contractor’s use:
• Construction water supply.
• Decant tower liners, riser and collars.
• Tailings delivery pipe, valves, spigot valves, spigot hose, fixings and fittings for the perimeter ring main.
• Fuel for earthmoving plant.
• Accommodation and messing for Contractor’s personnel at the Leinster single person’s quarters.
• Perth-Leinster return flights for Contractor’s personnel.
3.3 Work Excluded
The following works are excluded from the Contractor’s scope:
• Quality assurance testing to confirm compliance with the Specification.
3.4 Drawings
The following drawings are referred to in this Scope of Work and Specification:
• LN1280-11062 Locality Plan
• LN1280-11063 General Arrangement
• LN1280-11064 Typical Sections & Details
• LN1280-11065 Decant Tower & Sections
3.5 Specifications
The Works will be undertaken to comply with the requirements of:
• This Earthworks Specification.
• Standard Engineering Specification for General Earthworks (SES 100).
• Standard Engineering Specification for Supply and Installation of Geomembrane, Geonet and Geotextile
(SES 102).
• Standard Engineering Specification for the Fabrication and Installation of Piping Works (SES 201).
4. PRELIMINARIES
4.1 Terms & Conditions
The terms and conditions for the Works will be the same as detailed in the NiW contract.
4.2 Dimensions & Interpretations
Figured dimensions on drawings will be used in preference to scale. Larger scale drawings will be read in
preference to smaller scale drawings.
The Contractor will check all dimensions on Site prior to commencing construction. The Contractor will make
good at their expense any defect due to a discrepancy that has not been brought to the notice of NiW’s
Representative for clarification.
Parts not detailed on the Drawings will be constructed in accordance with best practice for works of this class.
Where it is obvious that a drawing illustrates only part of a given work or a number of items, the remainder
will be deemed repetitious and will be so constructed.
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4.3 Inspections
The Contractor will notify NiW’s Representative not less than 48 hours prior to an inspection being required
for those phases of the work specified.
4.4 Work by Others
During the period of the Contract work by other contractors or NiW may be proceeding at or in the vicinity of
the Site. The Contractor will co-operate at all times with such other contractors or NiW to ensure that no
obstruction or interference to the access or joint working of the Site occurs.
4.5 Existing Facilities
(a) Plant and Equipment
The Contractor’s personnel will not operate any existing plant or equipment on the Site without prior written
approval of NiW.
(b) Damage to Existing Property
The Contractor will take all precautions necessary during the construction period to prevent damage to any
existing property including existing structures, fencing, drainage structures, telephone and power lines,
pipelines, monitoring bores, piezometers, services, and any other improvements.
The Contractor will make good all damage or present proof of settlement of all claims for damage caused by
their operations.
Should NiW be required to arrange for damage caused by the Contractor to be made good, the cost of repair
may be deducted from payments to the Contractor.
4.6 Contractor’s Facilities
The Contractor will utilise existing facilities (e.g. workshop, laydown and offices) near the Site for the Works.
However, should the Contractor wish to install additional facilities at the Site they will provide detailed
information on their proposal to NiW’s Representative for approval prior to Contract commencement.
Installed services will be maintained by the Contractor to the satisfaction of NiW’s Representative during the
contract period.
Prior to the issue of a Certificate of Practical Completion, the Contractor will remove all equipment, facilities,
waste and temporary works from the Site.
4.7 Site Access
(a) Access to the Work Area & Materials
Access to the Works Site will be along the north access road from the NLN Plant. Access to borrow material
stockpiles will be via existing access tracks or as approved on site by NiW’s Representative. The Contractor
will not use mining haul roads without the approval of NiW’s Representative.
The Contractor will submit their Traffic Management Plan to NiW’s Representative for approval prior to
commencing site works. The TMP will allow for interaction between the Contractor and other groups
accessing or working adjacent to the construction area.
(b) Use of NiW’s Roads
The Contractor will not utilise NiW’s roads for heavy earthmoving equipment, or for haulage of embankment
fill materials, without prior written approval of NiW. Where such approval is given the Contractor may be
required to install flag persons, signs or other such precautions as deemed necessary by NiW’s Representative
for safety or other reasons.
(c) Roads & Access Tracks
The Contractor will maintain all roads and access tracks used during the Works to the satisfaction of NiW’s
Representative.
The Contractor will remove at practical completion all temporary windrows, bunds, construction signage, etc.
that was installed during construction to restrict access into the construction area.
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Roads and access tracks constructed by the Contractor that are not part of the permanent Works are to be
removed by the Contractor at the completion of the Contract. NiW’s Representative may, however, request
these roads or access tracks be kept as part of the permanent Works.
(d) Traffic Control Devices
The Contractor will supply all necessary signs, lights, delineators or other equipment to ensure the safe
movement of traffic within the Works area. The Contractor will erect and maintain the same in good condition,
including washing to ensure night visibility.
The Contractor will use appropriate cone procedures at all access points to the Works area. Access to the Site
will be restricted to authorised personnel only.
(e) Dust Control
The Contractor will control dust over the Works area by spraying with water. Water from NiW’s TSF
standpipe is available for earthfill moisture conditioning and dust control during construction.
The use of water will be kept to a minimum, and care will be taken to ensure that there is no spillage of excess
water to other areas.
5. DETAILED SCOPE OF WORK
The Contractor’s Scope of Work will include, but is not necessarily limited to the set out of the Works, the
supply of all labour, supervision, equipment, plant, tools, materials and consumables to complete the Works
in accordance with this Scope of Work, Specification and Drawings. The Works under the Contract will
include, but not necessarily be limited to:
(a) Mobilisation & Establishment
• The delivery and establishment at the job site of all construction equipment, tools, vehicles, cranage,
temporary facilities and all other facilities and items necessary to commence and sustain construction
as required by the Works Schedule.
• All plant and equipment used in the Works are to comply with statutory regulations and NiW’s Major
Hazard Standards (copies can be provided on request).
• The mobilisation of the Contractor’s workforce to the job site sufficient to commence and sustain
construction as required by the Schedule of Key Dates.
• Transport to and from site to the Leinster SPQ by bus and/or as approved by NiW in safe, registered
and NLN checked vehicle(s).
• Contractor’s Project Manager, Supervisor and Leading Hand to attend a WRAC risk assessment
workshop facilitated by NiW. A risk register will be provided from this workshop.
• Contractor will compile and submit THAs for significant tasks based on input from the WRAC
workshop. THAs are to be approved by NiW.
• Contractor’s personnel will be required to attend NiW inductions (allow one day) and demonstrate
operator competency before operating plant or equipment (including light vehicles).
• Arrange all necessary NLN permits (where necessary) prior to commencing site works.
(b) Demobilisation
• The removal from the Site to the Contractor’s home base of all surplus Contractor-supplied materials,
equipment, tools, vehicles, cranage and temporary facilities.
• The clean-up of the Site work areas, laydown and construction areas and disposal of all rubbish.
• The demobilisation of the Contractor’s workforce and equipment to their home base.
(c) Survey
• Setting out of the Works to the lines and levels shown on the Drawings.
• Conduct surveys for the purpose of Contractor payment, i.e. base and final surveys, which NiW may
direct to be performed jointly with NiW’s surveyors.
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(d) Earthworks
• Establishment, operation, maintenance and rehabilitation of borrow areas.
• Foundation preparation for the perimeter embankment and decant access causeway raise.
• Excavate, place, moisture condition and compact tailings to construct Cell E 2m perimeter
embankment upstream raise (to a new crest level RL10,547.5m).
• Load, haul, place, moisture condition and compact oxide material for the perimeter embankment
raise.
• Load, haul, place and compact tailings for the decant access causeway raise and place riprap
protection.
• Extend existing wall access ramps to the new Cell E crest. The maximum grade of ramps shall be
1:8 (vertical:horizontal).
• Miscellaneous excavation and backfilling, where required by NiW.
• Provision of safety windrows on the upstream and downstream crests of the perimeter embankments
and both sides of the internal embankment and decant accessways at all times during construction.
(e) Decant Tower
• Load, haul and place filter rock around the decant tower.
• Construct a 2m-wide designated walkway of roadbase over the filter rock from the decant access
causeway to the central decant liner.
(f) Pipework
• Remove existing perimeter tailings pipeline and spigots from the embankment crest and temporarily
store near the Site.
• Reinstall the perimeter tailings pipeline and spigots to the new embankment crest.
• Hand-excavate material from under the reinstalled tailings delivery pipeline at intervals of every
second pipe to provide runoff drainage points.
• Excavate ‘gaps’ nominally 1m wide at each spigot location around the upstream crest safety windrow
of the perimeter embankment.
• Install ‘300mm freeboard pegs’ around the TSF raise embankment at positions adjacent to each
spigot.
• Inspect spigot offtake valve functionality and replace as required (NiW to supply valves).
(g) Access Tracks
• Sheet new perimeter and internal embankment crests, and decant accessways, with suitable
basecourse and compact to form a dense running surface.
• Remove delineators from the existing embankment crest and reinstall along the new perimeter
embankment crest track (downstream shoulder) at 25m intervals.
• Raise existing access ramps to the new perimeter embankment crest.
• Maintain haul roads and access tracks (both permanent and temporary) during the construction
period.
(h) General
• Supervision, Inspection and Quality Control of the Works.
• Coordination with NiW soils testing personnel.
• Coordination with NLN Surveys to undertake joint surveys.
• Coordination of daily pre-start and weekly toolbox safety meetings.
• Attendance at weekly project meetings.
• Submission of a monthly contract report during the construction period.
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• Provision of plant hire and day labour for investigations as instructed by NiW.
• Remove all temporary works at contract completion.
6. BATTERY LIMITS
The battery limits for the Works are:
• Earthworks – extension of access ramps.
• Piping Works – isolation valve in tailings delivery pipework at perimeter.
7. SOILS TESTING
Except as otherwise specified, all field and laboratory testing required to determine compliance with this
Specification will be conducted by NiW at no cost to the Contractor. The Contractor will be required to
coordinate with the Quality Assurance/Quality Control (QA/QC) testing personnel to maintain the testing
schedule detailed in the Specification. The Contractor may carry out their own testing programme as they
consider necessary, but acceptance will be based on the results of NiW’s tests.
Quality Assurance will be carried out by trained personnel from the NiW laboratory using calibrated testing
equipment. Coffey will periodically conduct a technical review of NiW laboratory facilities and procedures.
All field and laboratory testing required to confirm compliance with the Specification will be performed by
NiW, or their representative, at no cost to the Contractor.
The Contractor will program the Works around the soil testing requirements of NiW.
The testing results will be delivered to NiW’s Representative, copied to the Contractor and Coffey,
immediately as they become available. Coffey will review the results and provide recommendations via the
NiW representative for instruction to the Contractor on how to correct any non-compliance.
8. REPORTING
Regular progress meetings (monthly intervals) will be held on Site throughout the construction period to ensure
the Project schedule and budget is maintained. The Contractor is required to attend each project meeting. The
cost of attending the project meetings will be included in the Contractor’s price.
The Contractor will provide a monthly report summarising the construction activities and providing a program
for proposed work for the next period. The cost of progress reporting will be included in the Contractor’s
price. The report will include as a minimum:
• Summary of works currently underway.
• Estimated progress to date.
• Material placed and compacted for last period and planned for next period.
• Delays and comparison with original programme (including forecast completion date).
• Potential upcoming delays/variations and actions to mitigate these.
• Numbers of personnel and plant on-site.
• Any safety or environmental incidents or issues.
• Safety statistics (LTI, MTI, injury, incident, etc.) for last period and to date.
• Any variations to be claimed.
• Any technical issues requiring clarification.
• Update of the QA/QC Register (in spreadsheet format) including sign off of each layer of fill by the
Contractors’ Supervisor with allowance for sign off when inspected by the NiW representative.
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9. HEALTH & SAFETY MANAGEMENT
9.1 Elimination of Fatalities
The Contractor will ensure that the construction of the works complies with NiW (BHP Billiton)
GLD.010 Safety (Appendix C).
9.2 Safety, Environment, Quality & Loss Control
The Contractor will send representatives who will be working on the project to attend a WRAC Risk Workshop
with NIW operations and technical personnel. The objective of the risk workshop will be to identify all
potential SEQLC hazards or issues for each step of the scope, risk rank these hazards/issues and identify
controls to manage the hazards/issues to an acceptable risk level.
The deliverable from the risk workshop will be a risk register.
The risk workshop will take approximately one half day and will be conducted on site prior to mobilisation of
plant and personnel.
9.3 Task Hazard Analysis
The Contractor will carry out a detailed and specific Task Hazard Analysis (THA) for each task. The THA
will be reviewed at each change of shift. If the working conditions change under which the THA was written,
work will stop until the THA has been revised to take into account the new working conditions. The THA will
be submitted to NiW’s Representative for approval prior to the task being undertaken.
Copies of all the THA’s are to be kept on the working site (for easy access by all site workers) and in all site
supervisors light vehicles.
10. ENVIRONMENTAL MANAGEMENT
10.1 Pollution & Spillage
Without limiting the Contractor’s obligations under the Contract, it will be the Contractor’s responsibility to
investigate and comply with all applicable laws, regulations and rules relating to pollution and contamination
with particular regard to any water discharged off the Site, airborne dust and noise that could cause a hazard
to others, or a nuisance generally. NiW’s Representative may require the Contractor to take additional steps
to reduce the hazard and any such work will be at the Contractor’s cost.
During construction, spillage of any type whatsoever, including lubricating oil, hydraulic oil and any other
material, will be immediately removed and disposed of to an approved location and the area cleaned as directed
by NiW’s Representative.
10.2 Disposal of Rubbish
The Contractor, at no additional cost to NiW, will dispose of rubbish and debris generated by the Contractor
during the Works. The Contractor’s disposal method will be subject to prior approval by NiW’s
Representative.
10.3 Diverting Water & Dewatering
The Contractor will take appropriate action and supply all equipment necessary to divert any surface and
subsurface water from the Works, including foundations and borrow pits. Trenches, sumps, pumps, spears
and other dewatering equipment will be utilised by the Contractor as required.
The dewatering method and procedures will not result in damage to or have any detrimental effect on adjacent
structures and services or on adjoining land. The Contractor will be responsible for all damages or detrimental
effects caused by dewatering.
10.4 Site Rehabilitation
It will be the Contractor’s responsibility to prepare and maintain the Site in a condition suitable for the safe
movement of plant and equipment over the Site.
Should the Contractor consider it necessary to place a layer of compacted material over any part of the Site
not receiving permanent works as part of this Contract the area will be reinstated at the completion of the
Works to the conditions, levels and grades that existed at the commencement of the Contract or as shown on
the Drawings.
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11. SURVEY
11.1 Setout
NiW will provide reference benchmarks and baseline information in the vicinity of the Site. The Contractor
is responsible for establishing all centrelines, offsets, locations and levels necessary to complete the Works.
The Contractor will confirm setout coordinates with NiW’s Representative prior to commencing construction.
The Contractor will be responsible for working within the tolerance limits of the Specification. The Contractor
will regularly monitor the construction of the Works so as to ensure compliance with the Drawings and the
Specification.
11.2 Approval to Proceed
On completion of setting-out of any section of the Works, the Contractor will notify NiW’s Representative
and will obtain their approval to proceed with that section of the Works. Such approval will in no way lessen
or nullify the Contractor’s responsibility to accurately set out and check this work, nor will any check of the
Contractor’s setting out that NiW, may, at their discretion, choose to perform.
The Contractor will at their own cost perform any rectification work that may be required as a result of incorrect
setting out of the Works, except where such information results from and is directly attributable to incorrect
written data received by the Contractor from NiW.
12. EARTHWORKS VOLUMES
12.1 Bill of Quantities
The Bill of Quantities (Schedule A in Appendix A) includes quantity estimates for the Works. Schedule A
will be used for the purpose of Contractor progress payment. Actual material quantities will be surveyed at
construction practical completion for determining final payment to the Contractor.
12.2 NiW’s Surveyors
NiW may provide surveyors who will jointly, with the Contractor, measure and record the necessary surface
levels, etc. to enable computation of quantities for payment. The Contractor may, at their discretion, elect to
waive the right to carry out the survey, in which case survey data and measurements determined by NiW will
be binding upon the Contractor.
12.3 Quantities for Payment
Payment to the Contractor will be based on agreed rates and agreed placed quantity (length, area, volume).
The unit rates will be for placed and compacted material.
The Contractor should conduct the following surveys of the Site area during the Works period. All surveys
will be agreed between NiW’s Representative and the Contractor:
• Base Survey – carried out once foundation preparation has been completed.
• Final Survey (tailings fill) – carried out after the tailings bulk fill for the perimeter embankment raise is
completed, prior to oxide capping.
• Final Survey (oxides) – carried out after the oxide capping material has been placed and compacted on
the perimeter embankment raise.
Progress payments to the Contractor will be based on estimated placed and compacted quantities as approved
by NiW’s Representative.
The final survey shall be performed within one month of earthworks completion, and final payment to the
Contractor will be based on the difference between the base and final surveys provided the embankment has
been constructed to the design lines and within the specified tolerances.
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13. EARTHWORKS SPECIFICATION
13.1 Clearing & Grubbing
The areas to be cleared and grubbed are indicated on the Drawings.
Clearing will consist of the removal of all trees standing or fallen, brush, shrubs and other vegetation. The
Contractor will take all precautions necessary to prevent damage to growing trees and shrubs outside the
designated areas.
Areas cleared by the Contractor, will also be grubbed by the Contractor. Grubbing will mean removal of all
roots and stumps larger than 50mm diameter to a minimum depth of 600mm below natural ground level (or to
rock, whichever is shallower).
Materials removed in clearing and grubbing operations will be cut into pieces no longer than 2m long and
placed in the spoil areas shown on the Drawings.
Cleared and grubbed materials are not to be mixed or stockpiled with topsoil.
13.2 Topsoil Stripping
On completion of clearing and grubbing operations, the topsoil will be stripped and stockpiled. Topsoil will
consist of surface soil and associated ground cover vegetation to a nominal depth of 150mm. Wherever
possible, topsoil will not be stripped when wet. The extent of topsoil stripping will be as detailed on the
Drawings.
Following completion of topsoil stripping the NLN Environmental Coordinator will inspect the stripped
surface and may provide instruction for additional stripping.
Stripped topsoil will be stockpiled in the areas shown on the Drawings.
Topsoil will be stockpiled to a maximum height of 2m and placed in parallel windrows. Minimum handling
will be employed by the Contractor to minimise compaction of the topsoil during removal and placement in
stockpiles.
Topsoil is not to be mixed or stockpiled together with cleared and grubbed material.
For the purposes of Contractor payment, the new topsoil stockpiles will be jointly surveyed by NiW and the
Contractor to determine the volume for payment.
13.3 Excavation
(a) General
The Contractor will perform every excavation in every type of material encountered, regardless of character,
within the limits of the Works to the lines, grades and elevations shown on the Drawings.
Material will be classed as either suitable or unsuitable for construction as it is excavated. Excavated material
that complies with the requirements of a specified class of material will be used in the Works. Excavated
material not meeting the requirements of a specified class of material and not in the opinion of NiW’s
Representative suitable for mixing and blending with other material will be spoiled to the location shown on
the Drawings.
(b) Excavation for Trenches, Drains & Channels
Trenches, drains and channels will be excavated to the cross-sections, grades and elevations shown on the
Drawings. Excess excavation will be backfilled to the grades shown and compacted to the satisfaction of and
at no cost to NiW. Materials excavated will either be utilised in the Works if of a suitable class or disposed of
as directed by NiW’s Representative.
(c) Tailings Excavation
The tailings borrow area is shown in the Drawings. Deep tailings excavations are to be avoided. The maximum
excavation depth shall be 1.5m. The tailings borrow area will be pushed in at the end of construction as shown
on the Drawings.
The Contractor will be responsible for maintaining the slimes excavation area free of water, including rainfall
runoff and seepage water from the excavated slimes. These works may include construction of drains and/or
provision of drainage pumps.
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(d) Excavation of Borrow Material
The Contractor will at all times undertake their borrow excavations to maintain safe and stable batter slopes.
As a minimum, no borrow area slope shall be steeper than 1:1 (vertical:horizontal).
At the completion of borrowing, the Contractor will “batter down” all exposed slopes to comply with NiW’s
and current mining regulations. The Contractor shall leave raised bunds in the borrow area at centres of not
less than 150m along the embankment perimeter. The bunds shall be of sufficient dimensions to prevent the
flow of tailings into the adjacent excavation by collapse of the bund or overtopping. Finger trenches shall be
excavated from the borrow down the tailings beach midway between each bund.
13.4 Classification of Excavated Materials
(a) Bulk Earthworks
• Common Excavation - ‘Common Excavation’ includes all excavation other than in rock. Suitable
material from common excavation will be used in the Works.
• Rock Excavation - ‘Rock Excavation’ will mean all materials that cannot be ripped and excavated
by a dozer of minimum 350kW engine power and matching single tyne hydraulic ripper (Cat D9L
or its equivalent in good working condition) at the rate not less than 75m3/hr (solid) when being
operated by a suitably experienced and competent operator.
(b) Drains and Trenches
• Common Excavation - ‘Common Excavation’ will mean all materials encountered, with the
exception of rock.
• Rock Excavation - ‘Rock Excavation’ will mean all materials that cannot be excavated by a
hydraulically-operated, track-mounted excavator with a flywheel power of 100kW fitted with a
500mm wide bucket (Cat 225 or its equivalent) at the rate of 10m3/hr or greater, or alternatively
flywheel power of 145kW (Cat 235) at the rate of 15m3/hr, when being operated by a suitably
experienced and competent operator.
(c) Measurement
Rock encountered during excavation carried out in accordance with the Specification and Drawings will be
jointly measured and the quantities agreed by the Contractor and NiW’s Representative at the time of
excavation. Additional excavation and backfilling that results from other excavation methods will be
performed at the Contractor’s expense and to the satisfaction of NiW’s Representative.
The Contractor is to note that any material not clearly established as being ‘rock’ will be classified for payment
as ‘common material’. ‘Rock Excavation’ material must be classified by NiW’s Representative at the time of
excavation. It will be the responsibility of the Contractor to seek such classification, and to demonstrate that
they are excavating in harder than common material, if payment is to be made for ‘Rock Excavation’ material.
It will also be the responsibility of the Contractor to seek agreement of excavated volumes at intervals of not
greater than two days during the course of the excavation work, where the quantities are provisional.
13.5 Utilisation of Excavated Material
All suitable materials from excavations will be used directly in the Works. The Contractor will undertake their
excavation operations to yield a sufficient amount of acceptable fill material complying with the requirements
of this Specification.
Suitable fill material will be segregated by loads during excavation and will be placed in the designated final
locations outside the excavation.
13.6 Unsuitable Material
Unsuitable material will be spoiled by the Contractor and disposed of to the spoil area shown on the Drawings.
13.7 Dewatering
The Contractor will fully inform themselves as to the anticipated groundwater conditions and will construct
and maintain such intercepting works as may be necessary to prevent surface water from entering foundation,
borrow or drainage works. The Contractor will also furnish, install, maintain and operate all necessary
pumping and other equipment for dewatering the various parts of the excavations and for maintaining the
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foundations and other parts of the Works free from water as required for constructing each part of the Works
and as required after any part of the Works is completed for inspection, safety or for any other reason
determined to be necessary by NiW’s Representative. Any collected water will be pumped to the TSF Return
Water Pond.
If at any time dewatering is not being carried out to the NiW Representative’s satisfaction, the Contractor will,
on the NiW Representative’s instruction, provide such additional protective measures as are necessary to
prevent further deterioration of the work and will repair any damaged work. The entire cost of constructing
the intercepting works and maintaining the excavations free of water as required by this clause will be at no
additional cost to NiW.
13.8 Foundation Preparation
(a) Embankments
The footprint areas of the embankments are to be excavated to the depth shown on the Drawings to remove all
material not suitable to found the embankments on. On completion of stripping, NiW’s Representative will
inspect the stripped surface.
Foundations for the embankments will be prepared in accordance with one of the following:
• Soil Foundation (Type A Foundation Preparation)
Foundation surfaces for embankment construction on soil will be ripped to a loose thickness of 200mm
and all roots or cobbles exceeding 75mm size removed. The ripped layer will have its moisture content
uniformly adjusted to within -1% to +2% of OMC (-1%<OMC<+2%) and will be compacted to 95% of
maximum dry density for that material using standard compaction (95% SMDD).
• Rock Foundation (Type B Foundation Preparation)
Following stripping, the Contractor will clean off rock foundations with an air or water jet under high
pressure, or by means of hand excavation, when and where directed by NiW’s Representative for the
purpose of inspection. NiW’s Representative may direct clean-off of foundations for inspection after
successive stages of excavation to determine whether any unsound or unsuitable material is present in
the foundation.
• Raise Foundation (Type C Foundation Preparation)
Tailings Surface
• Remove any pipework, including spigot droppers, within embankment footprint.
• Scarify the existing tailings surface a depth of 300mm, or to below the depth of cracks, whichever
is deeper.
• Moisture condition the ripped surface prior to placing the initial fill layer to provide a bond
between the foundation layer and initial fill layer.
• Compact tailings foundation surface using a minimum of 6 passes of a 12t vibratory roller.
Existing Crest
• Strip and remove roadbase from existing embankment crest.
• Scarify the crest to a depth of 100mm.
• Moisture condition the ripped surface prior to placing the initial fill layer to provide a bond
between the foundation layer and initial fill layer.
• Compact surface using a minimum of 6 passes of a 12t vibratory roller.
• Foundation Beneath Zones 3a or 3b (Type D Foundation Preparation)
Foundations for Zone 3a or 3b material will be cut with a clean blade to design level and then brought
to the attention of NiW’s Representative for inspection. There are no compaction requirements beneath
Zone 3a or 3b material.
Any sand or gravel seams, rock outcrops or other defects within the embankment footprint will be brought to
the attention of NiW’s Representative who may direct special preparation requirements. The Contractor will
provide a minimum 48 hours’ notice for NiW’s Representative to inspect the exposed foundation surfaces.
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Prior to commencing any filling over the foundation, the Contractor will receive approval to commence filling
from NiW’s Representative.
The Contractor will remove and replace at their own expense any foundation material that has been made
unsuitable by their own actions or failure to comply with this Specification.
All excavated materials meeting the requirements of this Specification are intended for use in embankment
construction. The Contractor will meet all costs consequent upon the non-use or wastage of this material.
Unsuitable excavated material nominated by NiW’s Representative will be hauled to the spoil area and spoiled
in accordance with this Specification.
All foundation surfaces will be maintained at the natural moisture content until covered by fill material.
(b) Subgrade Preparation for Roads
The subgrade is defined as the material immediately under the roadbase. Subgrade preparation will involve
trimming of the in situ soils following topsoil stripping to the formation, alignment and levels as indicated on
the Drawings. The subgrade will be cut to slope to ensure that the thickness requirements for roadbase can be
achieved. It is not anticipated that subgrade material will need to be imported for the Works.
The subgrade surface will be proof-rolled with a minimum four (4) passes of a 12t smooth-drum roller or
equivalent.
The Contractor will carry out such trimming and rolling as is necessary to produce a finished surface in a
uniformly bound condition with no evidence of layering, cracking or disintegration.
13.9 Construction Materials
(a) General
Materials for construction of the Works will be borrowed from designated borrow areas. The location of all
suitable borrow material is shown on the Drawings. The purpose and location of the construction fill materials
is shown in Table 1.
Table 1 – Material Purpose and Location
Material
Zone Location Description Purpose
1 Rocky’s Reward Waste
Dump Clayey Oxide Waste Embankment Capping
2 Waste Dumps Clay-Sand-Gravel Mix Embankment Fill
3a Stockpile near Perseverance
Mine (crushed and screened
material)
Free-draining Sand Fine Filter Material for
Underdrains
3b Stockpile near Perseverance
Mine (crushed and screened
material)
Free-draining Sandy
Gravel Coarse Filter Material for
Underdrains
4a Stockpile near Perseverance
Mine (crushed and screened
material)
Free-draining Coarse
Rock Decant Filter Rock
4b Rocky’s Reward East Waste
Dump / Stockpile near
Perseverance Mine (crushed
and screened material)
Hard, Durable,
Unweathered Waste
Rock
Erosion Protection (Rip Rap)
5 Stockpile near Perseverance
Mine (crushed and screened
mullock)
Slightly Clayey or Silty
Gravel Roadbase for Access Track
Sheeting
6 Tailings – Cell E Sandy Clayey Silt Embankment Raise Fill
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The Contractor will ensure that all borrowed material complies with the geotechnical requirements of this
Specification.
(b) Zone 1 Embankment Fill Material
Zone 1 material will be a low permeability, well-graded sandy or gravelly clay with less than 1% organic
matter and free from tree roots and stumps in numbers and volumes that in the opinion of NiW’s Representative
could be deleterious to the Works.
Zone 1 material will conform to the particle size distribution and plasticity requirements shown in Tables 2
and 3 respectively.
Table 2 - Zoned Material Grading Specifications
Sieve
Size
(mm)
Percent Passing Range (by Mass)
Zone 1 Zone 2 Zone 3a Zone 3b Zone 5 Zone 6
Min Max Min Max Min Max Min Max Min Max Min Max
150 100 100
As
borr
ow
ed f
rom
TS
F
75 95 100 100 100
37.5 90 100 90 100 100 100
19 100 100 70 100 100 100 70 95 85 100
9.5 70 100 45 100 95 100 40 70 65 85
4.75 30 100 80 100 25 50 45 65
2.36 50 100 20 100 55 100 20 40 30 50
1.18 15 100 15 75 20 40
0.600 40 100 12 100 0 45 12 32 15 30
0.300 30 85 10 85 0 15 9 25 12 25
0.150 0 10 0 10 10 20
0.075 25 75 5 75 0 5 0 5 5 15
Table 3 - Zoned Material Plasticity Specifications
Item Plasticity Range
Zone 1 Zone 2 Zone 3a Zone 3b Zone 5 Zone 6
Min Max Min Max Min Max Min Max Min Max Min Max
P.I. 10 30 5 30 N.P. N.P. N.P. N.P. 4 12 As borrowed
from TSF L.L. 20 60 20 60 N.P. N.P. N.P. N.P. 12 30
Legend: P.I. - Plasticity Index
L.L. - Liquid Limit
N.P. - Non Plastic
(c) Zone 2 Embankment Fill
Zone 2 material will be well-graded clay-sand-gravel mix with less than 1% organic material and free from
tree roots and stumps in numbers and volume that in the opinion of NiW’s Representative could be deleterious
to the Works.
Zone 1 material may be used in lieu of Zone 2, except where it abuts Zones 3a or 3b, and may be used in
Zone 2 provided that it does not cause a shortfall in Zone 1 borrow material. Zone 2 material abutting Zones 3a
or 3b material will be graded to provide a transition between the two zones.
Zone 2 material will conform to the particle size distribution and plasticity requirements shown in Tables 2
and 3 respectively. No particle in Zone 2 will have a dimension greater than 150mm.
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(d) Zone 3a Filter Material
Zone 3a material will be used as a fine filter material. Zone 3a material will be a free-draining, non-plastic,
sand with less than 1% organic matter and free from tree roots and stumps in numbers and volumes that in the
opinion of NiW’s Representative could be deleterious to the Works. Zone 3a material will conform to the
particle size distribution requirements in Table 2.
(e) Zone 3b Filter Material
Zone 3b material will be used as coarse filter material. Zone 3b material will be a free-draining, non-plastic,
sandy gravel with less than 1% organic matter and free from tree roots and stumps in numbers and volumes
that in the opinion of NiW’s Representative could be deleterious to the Works. Zone 3b material will conform
to the particle size distribution requirements in Table 2.
(f) Zone 4a Filter Material
Zone 4a material will be used as free-draining, coarse, hard, filter rock. Zone 4a material will be selected,
clean, fines-free (<5% passing a 75m sieve), hard rock mine waste with a well-graded particle size
distribution between 50mm and 300mm.
(g) Zone 4b Rip Rap Material
Zone 4b material will be hard, durable, fresh, fines-free (<5% passing a 75m sieve), waste rock (mullock)
from the mine operations (maximum particle size 500mm) for use as rip-rap erosion protection.
(h) Zone 5 Basecourse Material
Zone 5 material will be used for sheeting in access track construction. Zone 5 material will be slightly clayey
gravel with less than 1% organic matter and free from tree roots and stumps in numbers and volumes that in
the opinion of NiW’s Representative could be deleterious to the Works. Zone 5 material will have a maximum
particle size of 37.5mm and will conform to the particle size distribution and plasticity requirements shown in
Tables 2 and 3 respectively.
(i) Zone 6 Tailings
Tailings from CELL E are available for use as embankment raise fill material.
(g) Geotechnical Filter Fabric
The type and extent of geotechnical filter fabric (geotextile) is shown on the Drawings. Geotextile used in the
Works will conform in every requirement to NiW’s Standard Engineering Specification.
13.10 Borrow Area Management
The designated borrow material sources are shown on the Drawings. Suitable borrow that occurs outside the
limits of the nominated areas shown on the Drawings will only be obtained for use in the Works following
specific written approval by NiW’s Representative.
The Contractor will manage the borrow operations to ensure compliance with current Mining and Construction
Safety Regulations and will practice safe housekeeping at all times. The Contractor will excavate material
from the borrow area leaving safe batter slopes and benches.
The Contractor will excavate and blend if necessary borrow material to achieve a uniform material complying
with the requirements of this Specification and suitable for embankment construction.
If required, moisture will be introduced into the material at the borrow area. Watering in the borrow area will
be carried out sufficiently far in advance of excavation operations to ensure uniformity of moisture content
when the material is placed in its final location ready for compaction. If at any location in the borrow area,
before or during excavation operations, there is excessive moisture, the Contractor will selectively excavate
materials of suitable moisture content and also excavate drainage channels, rip, work or aerate materials, or
perform such work as may be necessary to reduce the moisture content of excessively moist material.
The Contractor will be responsible for providing, and maintaining suitable access to the borrow areas. The
location of access roads will be within the limits of existing clearing unless otherwise approved, with
preference given to utilising existing access roads wherever possible. Damage to existing roads used during
the Works will be made good by the Contractor at the completion of the Contract.
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13.11 Spoil Area Management
Material to be dumped in the Spoil Area will include, but not be limited to, unsuitable material.
Spoil material will be spread in layers to an elevation approved by NiW’s Representative and in such a manner
that all drainage from the Spoil Area is directed to collection sumps. Nominated areas for the spoil stockpiles
are shown on the Drawings.
Spoiled material will not be mixed with any approved construction fill, topsoil or cleared materials in the
stockpile area.
13.12 Embankment Construction
(a) Material Preconditioning
The Contractor will be responsible for all mixing and preconditioning of embankment fill material within the
borrow areas. All major adjustments for moisture content will be carried out in the borrow areas, with only
minor final adjustments of plus or minus two percent (±2%) being permitted on the embankment.
If the material in the embankment contains an excess of moisture, the Contractor will harrow or otherwise
work the material as necessary to reduce the moisture content.
Blending of materials within the embankment footprint in order to produce the required grading, other than
minor blending required to correct segregation as a result of placing or spreading, will not be permitted.
(b) Method of Placement
The Contractor will construct the embankments by placing, spreading and compacting fill material in
continuous layers that extend over the entire surface area. The material laid on the embankments will be such
that when compacted it forms a substantially homogenous mass with uniform moisture and free of lenses,
pockets, streaks or layers of material differing substantially in texture or gradation from the surrounding
material within the zone.
The fill will be levelled after spreading to obtain a surface free from irregularities, bumps and depressions.
Wherever possible, the routing of fill placement will be approximately parallel to the axis of the embankments
with equipment tracks spread evenly over the fill surface.
If, during or after placement, any material has become contaminated from the passage of construction
machinery, or by any other means, by topsoil or other objectionable material (including other material zones)
then the contaminated material will be entirely removed and replaced by suitable material at the expense of
the Contractor.
The Contractor shall ensure placed layers are kept moist, e.g. with a water cart as required, to avoid unnecessary
drying out and prior to placement of the next layer. In the event that a layer has dried, the layer shall be lightly
scarified and moisture conditioned prior to any further fill placement.
(c) Zone 1 Material
Zone 1 material will be placed and spread on the embankments to have a target moisture content (uniform
through the layer) as per the standard method specification, during and after compaction, within the range of
optimum moisture content (OMC) minus 2% to OMC plus 2% (-2% <OMC <+2%). After being compacted,
layers will not be greater than 300mm in thickness. If any layer of Zone 1 is compacted at a moisture content
less than that specified above, the acceptance criteria are those defined in Section 3.13. Moisture content
variations relative to OMC from one layer to the next will not exceed 2%. Although no formal testing of this
layer is required, testing records should be kept in the compaction register.
Zone 1 material placed on the wall batters should be placed with the intent to meet the scope of works as far
as practicable to ensure integrity of this section.
(d) Zone 2 Material
Zone 2 material will be placed in the embankments to have a moisture content (uniform through the layer),
during and after compaction, within the range of optimum moisture content (OMC) minus 2% to OMC plus
2% (-2% <OMC <+2%). After being compacted, layers will not be thicker than 300mm. If any layer of Zone 2
is compacted at a moisture content less than that specified above, the acceptance criteria are those defined in
Section 3.13. Moisture content variations relative to OMC from one layer to the next will not exceed 2%.
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(e) Zones 3a and 3b Material
Zones 3a and 3b material will be placed in approximately horizontal layers not greater than 300mm thick. If,
on completion of each layer of Zone 3a or 3b material, the surface of the layer in the opinion of NiW’s
Representative may obstruct free drainage of water through the zone, the Contractor will rip, scarify or
otherwise prepare the surface of the layer to the satisfaction of NiW’s Representative.
(f) Zones 4a and 4b Material
Zones 4a and 4b material will be placed gently to ensure the structure is stable. All Zone 4a and 4b material
is to be placed so as to ensure minimal spacing between particles. Maximum layer thickness is 500mm.
(g) Zone 5 Material
Zone 5 material will be placed as sheeting material for new access tracks. The material is to have a moisture
content during and after compaction within the range of OMC minus 2% to OMC plus 2%
(-2% <OMC <+2%). After being compacted, layers will not be greater than 150mm thickness. If any layer of
Zone 5 is compacted at a moisture content less than that specified above, the acceptance criteria are those
defined in Section 3.13.
The embankments will require a 100mm thick road base layer (Zone 5 material) on top of the 300mm oxide
capping layer as shown on Drawing LN1280-11068.
(h) Zone 6 Material
Zone 6 material will be placed in the embankments at a moisture content, during and after compaction, within
the range OMC minus 2% to OMC plus 2% (-2% <OMC <+2%). Compacted lifts shall not exceed 300mm
thickness.
Table 4 – Material Placement Specification
Material Zone Moisture Content Compacted Lift Thickness
1 -2% < OMC < +2% 300mm
2 -2% < OMC < +2% 300mm
3a & 3b Not Applicable Maximum 300mm
4a & 4b Not Applicable Maximum 500mm
5 -2% < OMC < +2% 150mm
6 -2% < OMC < +2% 300mm
13.13 Compaction
(a) Compaction Method Procedure
Prior to commencement of the Works the Contractor will submit their proposed ‘Compaction Method
Procedure’ to NiW’s Representative for approval. If NiW’s Representative has reasonable doubt of the
adequacy of such method they may require the Contractor to carry out trial compactions to demonstrate such
adequacy. Any demonstration will be at no cost to NiW.
(b) Compaction Plant
The Contractor will use a padfoot roller for the compaction of all Zone 1, Zone 2 and Zone 6 materials.
A smooth drum vibrating roller will be used for the compaction of the Zone 5 material.
(c) Inspection of Compacted Layers
All compacted areas will be inspected by NiW’s Representative before any subsequent fill, backfill or any
other item of work is placed thereon. A minimum 24 hours’ notice of such required inspection will be given.
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(d) Compacted Fill Densities
• Zones 1, 2 and 6
Acceptance of Zones 1, 2 and 6 compacted layers will be judged in accordance with the limits specified
in Table 5. Compacted material outside the limits of Table 5 is to be reworked and re-compacted.
Table 5 - Compacted Dry Density Ratio Limits (Zones 1, 2 and 6)
As Compacted Moisture
Content Relative to Standard
Optimum Moisture Content
(OMC)
Minimum Average Compacted
Density Ratio for Lot
(% SMDD)
Minimum Compacted Dry
Density Ratio for Individual
Test (% SMDD)
-2% < OMC < +2% 95 94
-3% < OMC < -2% 100 98
-4% < OMC < -3% 105 102
• Zones 3a and 3b
Each layer of Zone 3a or 3b material will be placed and not compacted. There are no specific density
requirements for Zone 3a and 3b layers.
• Zones 4a and 4b
There are no specific density requirements for Zone 4a and 4b layers.
• Zone 5
Acceptance of compacted Zone 5 layers will be judged in accordance with the limits specified in
Table 6.
Table 6 - Compacted Dry Density Ratio Limits (Zone 5)
As Compacted Moisture
Content Relative to Modified
Optimum Moisture Content
(OMC)
Minimum Average
Compacted Density Ratio for
Lot (% MMDD)
Minimum Compacted Dry
Density Ratio for Individual
Test (% MMDD)
-2% < OMC < +2% 95 94
-4% < OMC < -2% 100 98
-6% < OMC < -4% 105 102
(e) Sampling, Testing and Acceptance
Sampling and testing of compacted layers for acceptance will be carried out by the NiW testing laboratory.
The NiW testing laboratory will be periodically audited by Coffey. The Contractor will be responsible for
coordinating with the NiW testing personnel in accordance to the minimum frequencies detailed in Table 7, or
as required during construction to ensure compliance with the Specification (i.e. as determined by the NiW
Representative). Zone 1 material should be placed with the intent to meet the scope of works as far as
practicable to ensure integrity of this section or according to an agreed method specification. As the batters
may be unsafe for wheeled vehicles to traffic across, tracked vehicles should be employed to track roll the
batters after placement and conditioning of material to the required thickness.
Zone 5 can be placed in accordance with an agreed method specification and may be tested during the course
of the Works by NiW’s Representative (i.e. at NiW’s discretion).
Where any test result shows the material prepared or placed does not meet the Specification requirements, such
tests will be repeated after the Contractor has undertaken appropriate corrective action.
Preliminary results of each test will be delivered to NiW’s Representative and copied to the Contractor within
24 working hours of the field test being completed. Filling or backfilling of an area tested will only occur
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when preliminary results indicate a pass or at the direction of NiW’s Representative. Official results will be
available within 48 hours of completion of field testing.
Table 7 - Required Testing Frequency
Test Description Test
Locations a. Minimum Testing Frequency
Zone 1 Zone 2 Zones 3a
& 3b Zone 5 Zone 6
Moisture Content E - Min 6
per
round
- - Min 6
per round
Atterberg Limits E - Min 1
per lift 1 test per
500m3 As
Nominated -
Particle Size
Distribution E - Min 1
per lift 1 test per
500m3 As
Nominated
-
Density Moisture
Relation (Standard
compaction)
E - Min 3
per
round
- - Min 3 per
round
Field Dry Density E - Min 6
per
round
- - Min 6 per
round
Notes: a. Location of tests on Embankment
b. Testing rounds by NiW laboratory to be conducted every 2 weeks during earthworks
construction or as nominated by the NiW Representative.
(f) Lots of the Works for the Purpose of Quality Judgement
NiW’s Representative will determine what portion of the Works will be taken to constitute a single lot. The
principle used to define the limits of any lot will be that the whole of the Works included in the lot will have
been produced concurrently by the same works process and will, in addition, appear to be of a constant quality
without obvious changes in visual characteristics, whether or not these characteristics form part of the
judgement process. In the case of selecting lots for the purpose of judging the compliance of the compacted
(in situ) density, NiW’s Representative will give due attention to establishing the uniformity of quality in the
transverse direction to the centreline. In no case will a lot contain a quantity of work which is in excess of that
finished in a single continuous work operation. Boundaries of lots will be chosen such that in the opinion of
NiW’s Representative the lot is uniform transversely and longitudinally.
NiW’s Representative may sample any or all of the lots which in total constitute the whole of the Works.
(g) Acceptance/Rejection Criteria
Field Density
The compliance of any lot of the Works with the compaction requirements will be judged by comparison of
the compacted dry density ratio with the limits specified in Tables 5 or 6 for the material and the location
indicated.
The characteristics of the compacted layers will be tested in accordance with the following test standards:
• AS1289 5.8.1 - to determine the field dry density.
• AS 1289 5.1.1 - “Determination of the Dry Density/Moisture Content Relation of a soil using Standard
Compactive Effort” (SMDD).
• AS 1289 5.2.1 - “Determination of the Dry Density/Moisture Content Relation of a soil using Modified
Compactive Effort” (MMDD).
• AS 1289 5.4.1 - Dry Density Ratio.
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The number and location of density tests performed in a lot will be determined in accordance with Table 7 but
will in no case be less than three.
Lots that fail to meet the acceptance criteria will be rejected. The Contractor will rework and resubmit any
rejected lots.
Material Characteristics
Fill material used in the works will be tested to ensure compliance with the material property characteristics
specified in Section 3.6 of this Specification. The test standards to be used will be:
• AS 1289 3.6.1 - particle size distribution.
• AS 1289 3.1, 3.2, 3.3 - Atterberg limits.
• AS 1289 3.4 - linear shrinkage.
• AS 1289 3.5.1 - soil particle density.
(h) Resubmission of any Rejected Lot
Any lot that does not satisfy the density requirements for acceptance will be rejected. After rejection the lot
will be reprocessed to the satisfaction of NiW’s Representative before being resubmitted for acceptance.
Any lot within 1% of the required density and within the specified moisture range will be covered with six (6)
passes of the roller and accepted without retest. Any lot within 2% of the required density will be reworked
and resubmitted for testing. Any lot more than 2% outside the required density or outside the range of
moistures in Tables 5 or 6 will be ripped, the moisture content adjusted as appropriate, and re-compacted
before resubmission. Any lot outside the specified moisture range by more than +2% of those in Tables 5 or
6 will be removed from the embankment.
All rectification work will be at the expense of the Contractor and no extension of times will be considered.
(i) QA/QC Register
The Contractor will maintain QA/QC Register (in spreadsheet format). The register will be utilised to track
test results, ‘rejected lots’, and remedial measures undertaken.
13.14 Trenching and Drains
All trenches and drains are to be excavated to the lines and levels as indicated on the Drawings.
Where interference (such as rock) is encountered during excavation and relocation of trenches is deemed
necessary, the Contractor will submit proposed changes in writing or by sketch to NiW’s Representative for
approval. No such changes will be made until approved by NiW’s Representative in writing.
13.15 Tolerances
All works carried out by the Contractor will be to the design lines and levels as shown on the Drawings and in
accordance with this Specification. Variations to the design lines and levels will be within the following
tolerance limits:
(a) Prepared Foundation; +100mm for line and +0mm, -100mm for level.
(b) Embankment;
+200mm, -0mm normal to the outside design line provided that in any 5m length the maximum variation
from the average line will be +100mm.
The slope of the outside face of the embankment will not be steeper than 0.02:1.0 (vertical:horizontal)
(approximately 1) above that specified on the Drawings for any 5m long line down the face.
(c) Crest of Embankment; +100mm for line, and -0mm, +50mm for level.
(d) Trenches; +0mm, -100mm for level at trench invert.
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Page 20
14. DECANT WORKS
14.1 Decant Towers
The existing decant towers comprising slotted well liners, surrounded by free-draining rockfill (Zone 4a) with
a central riser pipe and decant outfall pipeline will be raised as shown on the Drawings.
The Contractor will install the well liners, pipe risers and sleeves in accordance with good practice, whether
such materials are specifically detailed on the Drawings or not.
Rockfill (Zone 4a) shall meet the requirements of Section 13 of this Specification. All rock shall be carefully
placed to ensure the slotted well liners are not dislodged or damaged. Any damaged slotted well liners shall
be reported to the NiW Representative and repaired and replaced by the contractor at their cost.
All well liners, pipes, decant risers, sleeves and other decant tower material will be supplied by NiW and stored
on Site by the Contractor.
14.2 Decant Causeway
The fill material used to raise the decant access causeway will be placed and compacted in accordance with
Section 13 of this Specification, i.e. moisture conditioned, placed in layers, and roller compacted to achieve
the density limits specified in Table 5. The Contractor may adopt an agreed method specification to achieve
the required limits. Formal testing is not required, however, records for the decant causeway are to be
documented in the compaction register.
The decant access causeway will be sheeted with a layer of Zone 5 material as shown on the Drawings.
Rip rap material is to be placed across the full height and length of the decant causeway. Material is to be
placed to a maximum of 500mm thickness as per the drawings and according to Table 4.
15. PIPEWORKS
15.1 General
All pipes, valves, fittings and other pipeline material for the Works will be supplied by NiW and stored on Site
by the Contractor. All material delivered to and stored at the Site will be protected by the Contractor as
necessary to prevent damage and to minimise the entrance of foreign matter.
The Contractor will install all piping required to complete the piping installation in accordance with good
piping practice, whether such piping is specifically detailed on the Drawings or not.
15.2 Pipelines and Fittings
(a) Materials
The materials of construction and dimensions for the pipelines and fittings are shown on the Drawings.
All pipe valves and fittings will be either the same or compatible material type to the parent pipe.
(b) Pipeline Installation
All pipelines will be installed in accordance with NiW’s Standard Engineering Specification.
All pipelines will be so erected to preserve accurate alignment. Care will be taken with the installation of
pipeline runs where drainage is required such that the pipeline will pitch toward the point of drainage. All low
points in these pipelines will be provided with suitable traps or drain valves.
Any connections or pipelines which are indicated only diagrammatically on the Drawings will be installed in
a neat and workmanlike manner, with materials and construction as specified for the pipeline to which
connection is made.
(c) Valve Installation
The Contractor shall inspect spigot offtake valve functionality and replace as required (NiW to supply valves).
All valves attached to HDPE piping will be adequately supported so that no undue strain is placed on the
pipework.
All valves located underground or in trenches will be provided with valve boxes and extension stems.
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Page 21
The Contractor will be responsible for checking the position of all valve stems, handwheels and levers for
accessibility, interference, etc. whether or not these positions are shown on the Drawings.
Valves will be installed in a manner to enable easy removal from the pipework. Screwed valves will be
installed with at least one union to facilitate removal.
All valve glands will be tightened as the pipelines are erected. Additional valve gland packing rings will be
added to all valve glands if necessary to provide a proper seal and assure a tight working condition after valves
are placed in service.
(d) Testing and Commissioning
New pipelines installed as part of the Works will be tested and commissioned in accordance with NiW’s
Standard Engineering Specification.
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Appendix A
Bill of Quantities and Schedules
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SCHEDULE A - BILL OF QUANTITIES
Project: NLN TSF3 Cell E Raise to RL10,547.5m
Contract No.:
The Contractor will provide unit rates and quantities for the above construction work at NLN. The sum of all
items shown in this Schedule ‘A’ will be equal to the Total Contract Price for Cell E raise construction and
will be used as a basis for Progress Payment where applicable, all prices will be separable.
ITEM DESCRIPTION UNIT RATE QUANTITY AMOUNT
A.1 PRELIMINARIES
A.1.1 All preliminaries, insurances, site supervision,
overhead costs, surveying, meeting attendance, risk
assessments, THA’s, dewatering/drainage, reporting
and inductions
Item
A.1.2 Mobilisation to and establishment on site of all labour,
plant, equipment, amenities, site facilities, temporary
works and the like for Contractor’s use
Item
A.1.3 Demobilisation from and disestablishment off site of
all labour, plant, equipment, amenities, site facilities,
temporary works and the like including removal of
excess material
Item
A.2 EARTHWORKS
A.2.1 Borrow area establishment, preparation, management
and rehabilitation
Item
A.2.2 Maintain existing and reinstate temporary tracks Item
A.2.3 CELL E EAST WALL RAISE
A.2.3.1 Foundation preparation m2 10,140
A.2.3.2 Load, place, spread and compact tailings bulk fill m3 9,900
A.2.3.3 Load, haul, place, spread and compact oxide capping m3 3,020
A.2.3.4 Load, haul, place, spread and compact crest roadbase Lineal m 700
A.2.3.5 Load, place, spread and bucket compacted tailings m3 2,850
Name: Position:
Signature: Date:
Witness’ Name: Witness’ Signature:
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SCHEDULE A (continued)
ITEM DESCRIPTION UNIT RATE QUANTITY AMOUNT
A.2.4 CELL E WEST WALL RAISE
A.2.4.1 Foundation preparation m2 12,500
A.2.4.2 Load, place, spread and compact tailings bulk fill m3 12,900
A.2.4.3 Load, haul, place, spread and compact oxide capping m3 4,050
A.2.4.4 Load, haul, place, spread and compact crest roadbase Lineal m 640
A.2.4.5 Load, place, spread and bucket compacted tailings m3 3120
A.3 DECANT ACCESSWAY & TOWER RAISE
A.3.1 Foundation preparation m2 6,500
A.3.2 Load, place, spread and compact tailings bulk fill m3 8,400
A.3.3 Load, haul, place, spread and compact oxide waste
capping
m3 470
A.3.4 Load, haul, place, spread and compact coarse waste (rip
rap erosion protection)
m3 1,900
A.3.5 Load, haul, place, spread and compact crest roadbase Lineal m 180
A.3.6 Raise decant tower & central riser pipe Item 2
A.3.7 Load, haul, place and spread decant filter rock m3 500
Name: Position:
Signature: Date:
Witness’ Name: Witness’ Signature:
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ITEM DESCRIPTION UNIT RATE QUANTITY AMOUNT
A.4 PIPEWORKS
A.4.1 Remove Cell E perimeter tailings delivery pipework m 1,755
A.4.2 Reinstall Cell E perimeter tailings delivery pipework m 2,295
A.5 OTHER (CONTRACTOR TO NOMINATE)
A.5.1
A.5.2
A.5.3
TOTAL TENDERED VALUE $
Contractor to nominate the following items to be provided by NiW:
• Accommodation & Messing at NLN ………………… man days
• Flights (Perth-Leinster-Perth) ………………… number
• Fuel for Contractor’s Plant ………………… litres
Name: Position:
Signature: Date:
Witness’ Name: Witness’ Signature:
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SCHEDULE B - ADDITIONAL WORKS : SITE LABOUR RATES
Project: NLN TSF3 Cell E Raise to RL10,547.5m
Contract No.:
In the event that the Contractor’s site personnel are directed to perform additional work, the Contractor must
provide rates for personnel allowing for all obligations under the Contract including but not limited to wages,
overheads, profit, supervision, insurances, time-keeping and all other administrative office work, taxes,
personal safety, tools and equipment, consumables, site induction, transport and any other incidental charges
whatsoever for all work so authorised.
These hourly rates for labour hire are:
ITEM CLASSIFICATION FLAT RATE FOR ALL
HOURS (AUD)
B.1 Supervisor
B.2 Leading Hand
B.3 Tradesman
B.4 Plant Operator
B.5 Labourer
B.6
B.7
B.8
B.9
The rates listed above are firm and fixed and not subject to escalation or fluctuation (rise and fall). All claims
will be substantiated with appropriate documentation.
Name: Position:
Signature: Date:
Witness’ Name: Witness’ Signature:
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SCHEDULE C - ADDITIONAL WORKS,
PLANT AND EQUIPMENT HIRE RATES
Project: NLN TSF3 Cell E Raise to RL10,547.5m
Contract No.:
In the event that the Contractor is directed to provide certain items of plant or equipment for approved works,
then such items of plant or equipment will be provided at the rates provided by the Contractor for the following:
C.1 CONTRACTOR’S OWN PLANT AND EQUIPMENT
ITEM PLANT OR EQUIPMENT - DESCRIPTION,
MAKE AND SIZE
HOURLY RATES (AUD) INCLUDES
OPERATOR (where applicable)
Working Standby
C.1.1
C.1.2
C.1.3
C.1.4
C.1.5
C.1.6
C.1.7
C.1.8
C.1.9
C.1.10
The above rates are inclusive of, but not limited to, all the Contractor’s overheads, profit, margin, fuel, taxes,
maintenance costs, servicing times, breakdown times, compliance with NiW MHS and all Laws and
Regulations, and all incidental costs.
The Contractor proposes to provide and use the plant and equipment detailed in the above schedule for the
Works. The rates indicated against each item will be used, where applicable, for valuation of all variations.
All rates listed will be firm and fixed and not subject to escalation or fluctuation (rise and fall).
Name: Position:
Signature: Date:
Witness’ Name: Witness’ Signature:
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SCHEDULE D - CONSTRUCTION PROGRAMME
Project: NLN TSF3 Cell E Raise to RL10,547.5m
Contract No.:
The Contractor is required to supply with their price a preliminary Construction Programme showing the
following:
• Date from contract award to commence mobilisation.
• Period for mobilisation.
• Periods to commence and complete key tasks.
• Construction period from mobilisation to practical completion.
The Contractor will nominate together with this Construction Programme a weekly manpower (number of
personnel) schedule.
Week No. No. Personnel on Site
Name: Position:
Signature: Date:
Witness’ Name: Witness’ Signature:
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SCHEDULE E - BUILD METHOD STATEMENT
Project: NLN TSF3 Cell E Raise to RL10,547.5m
Contract No.:
Attached is the Contractor’s detailed Build Method Statement identifying how they propose to construct the
Works.
Name: Position:
Signature: Date:
Witness’ Name: Witness’ Signature:
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Appendix B
Drawings
Leinster Nickel Operations 22-August-18 TSF Cell E Raise to RL10,547.5m (FY19) – Scope of Work & Earthworks Specification Revision 0
Appendix C
GLD.010 Safety