DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Luzamba Tip Wall Processing 11,4 1992

Catoca I Dump wall Processing 19,0 1995

Catoca II Dump wall Processing 16,0 1995

Catoca Tip Wall Processing 10,5 1996

Angola Escom Mining Tip Wall Processing 11,0 2002

Catoca Phase 1 Tip Wall Processing 13,6 2006

Catoca Phase 2 Tip Wall Processing 13,0 2006

Jopro 004 – Consulmet Tip Wall Processing 9,0 2007

Consulmet 2 Tip Wall Processing 9,0 2008

Veladero Project Dump structure Processing 27,8 2005

Argentina Pirquitas Project Dump structure Processing 18,0 2009

Veladero Project - Plant Expansion 85 KTPD Dump structure Processing 28,5 2009

Eastern Deepdale Pocket/Abutment Dump Structure Processing 16,0 1980

Saxonvale Raw Coal Handling Plant Dump Structure Processing 12,0 1981

Rom Hopper Walls Pacific Coal - Tarong Dump Structure Processing 19,5 1982

Boundary Hill Inpit Dump Wall - Dump Structure Processing 7,8 1982

Load Out Structure - Kangaroo Island Dump Structure Processing 6,0 1982

Mt. Tom Price Dump Structure - - 1982

Boundary Hill Inpit Dump Wall #2 Dump Structure Processing 8,0 1983

Kress Tipping Platform Stage I Dump Structure Processing 4,9 1984

Paddington Project Dump Structure Processing 14,3 1984

Cork Tree Well Gold Mine Dump Wall Dump Structure Processing - 1985

Dump Wall - Cue Dump Structure Processing 8,3 1986

Telfer Mine Dump Structure Processing - 1986

Howick Colliery Temp Dump Wall Dump Structure Processing 8,4 1986

Wiluna Mine Dump Wall Dump Structure Processing - 1986

Youanmi Gold Mine Dump Wall Dump Structure Processing - 1986

Boddington Gold Mine Dump Structure Processing 14,2 1986

Koala Mobile Dump Structure Dump Structure Processing - 1986

Mincoa Gold Mine Dump Structure Processing - 1986

North Kalgurli Crusher Wall Dump Structure Processing 10,2 1986

Goonyella Dump Structure Dump Structure Processing 17,0 1986

Australia Table Top Mine D/St Dump Structure Processing 3,0 1987

Selwyn D/St Dump Structure Processing 12,0 1987

Wirralie Dump Struture Processing 11,0 1987

Paddy's Flat Project Dump Structure Processing - 1987

Bow River Dump Wall Dump structure Processing 12,0 1987

Hedges Gold Mine Project Dump Structure Processing - 1988

Mt Newman No2 - Ore Body 29 Dump Structure Processing - 1988

Ravensworth South D/St Dump Structure Processing 18,0 1988

Fimiston Lease Dump Wall Dump Structure Processing - 1988

Boddington Ii Dump Structure Processing - 1988

Mineral Hill D/St Dump Structure Processing 5,0 1988

Gilbraltar Project Dump Wall Dump Structure Processing - 1988

Mccameys Monster Dump Wall Dump Structure Processing - 1988

St. Ives Mill Kambalda Dump Structure Processing - 1988

Channar Dump Wall Dump Structure Processing - 1989

Moura Dump Wall Dump Structure Processing 18,0 1989

Baneygo Gold Mine Dump Structure Processing - 1989

Ebenezer Mine D/St Dump Structure Processing 8,0 1989

Wodgina Tantalum Heavy Mineral Dump Structure Processing - 1989

Iron Duke Dump Structure Dump Structure Processing 13,0 1989

Boddington 3 Dump Structure Processing 8,0 1990

Page 1 de 8 MINING DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Kunwarara Mine D/St Dump Structure Processing 16,0 1990

White Road Crusher Dump Structure Processing 9,0 1990

Camberwell Coal Mine Dump Structure Dump Structure Processing 14,5 1990

Mt Newman Inpit Crusher Dump Structure Processing 14,0 1990

Angola Yandi H&W Dump Structure Processing 10,5 1991

Yandi Iron Ore Walls Dump Structure Processing 10,0 1991

Brockman R/W Dump Structure Processing 10,0 1991

Rix's Creek Dump Wall Dump Structure Processing - 1992

Westside Mine D/W Dump wall Processing - 1992

Mesa J Dev. Train Loadout Pocket Dump Structure Processing 16,0 1993

Kanowna Belle Gold Mine Dump Structure Processing - 1993

Jellinbah East Dump Wall Dump Structure Processing - 1993

Yandan Gold Mine Dump Structure Processing - 1993

Mt Todd D/St Dump Structure Processing 10,0 1993

Marandoo Dump Wall Dump Structure Processing 23,3 1993

Saxonvale Dump Wall No:2 Dump Structure Processing 17,0 1994

Rustlers Roost R/W Dump Structure Processing 10,2 1994

Weipa Dump/St Dump Structure Processing 13,7 1994

Wilkie Creek D/St Dump Structure Processing 6,3 1994

Bronzewing Dump Wall Dump Structure Processing 8,1 1994

Osbourne Copper Project Dump Structure Processing 10,5 1994

Orient Well Project Dump Structure Processing 9,0 1994

Ravenswood D/St Dump Structure Processing 10,5 1994

Paddington Mill Expansion Dump Structure Processing 17,0 1995

Stratford Mine Dump Structure Dump Structure Processing 12,0 1995

Higginsvile Gold D/St Dump Structure Processing 12,6 1995

Australia Eloise Project D/St Dump Structure Processing 7,3 1995

Jundee Gold Mine Dump Structure Processing 8,8 1995

Moura Mine Panel Investigation Dump Structure Processing - 1995

Nimary Dump Wall Dump Structure Processing 15,0 1995

Mt Owen Dump Structure Dump Structure Processing 17,0 1995

Mt Piper Western Dump Hopper Dump Structure Processing 8,5 1995

Hail Crk Rom Pad R/W Dump Structure Processing - 1995

Ewington Coal Dump Structure Dump Structure Processing 14,0 1996

Yandi No.2 Dump Structure Dump Structure Processing 11,0 1996

Burton Coal D/St Dump Structure Processing 12,3 1996

Wambo Mine Dump Structure Processing 15,0 1996

Liddell Coal Dump Structure Dump Structure Processing 16,5 1996

Ensham Mine D/St Dump Structure Processing 18,7 1996

Fimiston Upgrade Dump Structure Processing 2,5 1996

Mt Piper Dump Station Dump Structure Processing 8,5 1996

Skipton Tip Dump Walls Dump wall Processing 2,5 1996

Ernest Henry Project Dump Structure Processing 11,5 1997

Davy Hurst Gold Project Dump Structure Processing 12,6 1997

Cadia Primary Crusher Dump Structure Processing 23,8 1997

Murrin Murrin Rom Dump Structure Processing 12,0 1997

Bronzewing Plant No. 2 Dump Structure Processing 11,2 1997

Binduli Gold Plant Dump Structure Processing 8,0 1997

Murrin Murrin Sulphur D/S Dump Structure Processing 8,8 1998

Jellinbah Relocation Dump Structure Dump Structure Processing 8,0 1998

Bengalla Coal Project Dump Structure Processing 9,0 1998

Burton Coal St 2 Dump Structure Processing 9,0 1998

Yandi / Hamersley Iron Dump Structure Processing 16,5 1998

Page 2 de 8 MINING DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Coppabella Coal Project Dump Structure Processing 14,4 1998

Timbarra Dump Structure Dump Structure Processing 10,9 1998

Leigh Creek Coal Handling Plant Dump Structure Processing 16,1 1998

Pannawonica Dump Structure Dump Structure Processing 9,1 1998

Angola Phosphate Hill Dump Structure Processing 9,8 1998

Yandi Variation (2737) Dump Structure Processing 17,0 1999

Cosmos Nickel Dump Structure Dump Structure Processing 8,4 1999

Millmerran Power Dump Structure Processing 20,0 2000

Granites Gold Mine Dump Structure Processing 11,0 2000

Williamsdale Dump Structure Dump Structure Processing 10,9 2000

Mesa J Upgrade Dump Structure Processing 12,3 2000

West Angelas 2 Dump Structure Processing 18,6 2001

Rix's Creek Inspection Dump Structure Processing - 2001

New Acland Coal Dump Structure Processing 14,0 2002

Mining Area "C" Dump Structure Processing 19,3 2002

Penrice Angaston Quarry Dump Structure Processing 10,0 2003

Yandi Iowa Project Dump Structure Processing 12,3 2003

Neweipa Project Dump Structure Processing 17,6 2003

Moura Dump Wall Replacement Dump wall Processing 18,0 2003

Fosterville Gold Mine Dump Structure Processing 10,1 2004

Westcliff Cpp Dump Structure Dump Structure Processing 10,5 2004

Rolleston Dump Wall Dump Structure Processing 16,0 2004

Blackwater Chpp Project Dump Structure Processing 21,0 2004

Mt Owen Dump Structure Dump Structure Processing 18,0 2004

Orebody 18 Dump Structure Processing 20,0 2005

Bootu Creek Manganese Project Dump Structure Processing 10,0 2005

Australia Saraji Expansion Project Dump Structure Processing 18,0 2005

Millenium Coal Project Dump Structure Processing 14,0 2005

Wambo Coal Dump Structure Processing 4,5 2005

Curragh North Mine Dump Structure Processing 5,0 2005

Rix's Creek Dump Wall Demolition and Rebuild Dump Structure Processing 13,0 2005

Yandi JSE Dump Hopper Wall Dump Structure Processing 21,0 2005

Mining Area C Expansion Dump Structure Processing - 2006

Koolan Island Dump Structure Dump Structure Processing 8,0 2006

Whyalla Primary Crusher Station Dump Structure Processing 20,0 2006

New Acland Expansion Dump Structure Processing - 2006

Iluka Dump Wall Dump Structure Processing 6,0 2006

Wambo Dump Structure Dump Structure Processing 14,0 2006

Lady Annie Copper Mine Dump Structure Processing 9,1 2006

Lake Lindsay Project Dump Structure Processing - 2007

Jimblebar Dump Wall Dump Structure Processing 18,0 2007

Ranger Uranium Mine (Supply) Dump Structure Processing - 2007

Prominent Hill Crusher Plant Dump Structure Processing 11,0 2007

Middlemount Coal Project Dump Structure Processing - 2007

Karara Ore Shipping Project Dump Structure Processing 9,5 2007

Peak Downs Mine Haul Rd Bridge Dump Structure Processing 10,0 2007

Mesa A Dump Structure Dump Structure Processing 14,7 2008

Brockman Syncline No. 4 Dump Wall Supply Dump Structure Processing 17,2 2008

Cape Preston Concrete Batching Plant Dump Structure Processing 3,2 2008

Clermont Coal Mine Dump Structure Processing 22,5 2008

Worsley E & G Project Supply Dump Structure Processing 20,0 2008

Yandi Dump Walls - Supply Dump Structure Processing 20,0 2009

Edna May Gold Mine Dump Structure Processing 15,8 2009

Page 3 de 8 MINING DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Perilya Broken Hill Loading Ramp Dump Structure Processing 5,3 2010

Brockman 4 Phase II ROM Wall - Design Dump Structure Processing - 2010

Wilpinjong Upgrade Dump Structure Processing - 2010

Koolyanobbing Expansion Project Dump Structure Processing - 2010

AustraliaAngola Sino Iron Project Dump Structure Processing - 2010

Boggabri Dump Wall Dump wall Processing 8,6 2010

Karara Iron Ore Project Dump Structure Processing 30,0 2011

Australia Pacific LNG Project Dump Structure Processing - 2011

Rasp Mine Crusher Wall Dump Structure Processing - 2011

Jwaneng I Tip Wall Processing 6,7 1978

Jwaneng II Tip Wall Processing 8,0 1979

Tati tip wall Tip Wall Processing 13,0 2000

BK9 Debswana Tip Wall Processing 13,5 2001

Jwaneng Crusher 2 Tip Wall Processing 12,7 2002 Botswana Tati rom tip Tip Wall Processing 21,0 2005

Jwaneng re-crush reload Tip Wall Processing 4,0 2008

Dukwe Copper Mine Tip Wall Processing 18,7 2007

De Beers AK06 tip wall Tip Wall Processing 20,0 2010

Jwaneng Mineral Sizer Tip Wall Processing 14,0 2011

Carajás IV Dump wall Processing 12,0 1982

Comiteco / Mina do Tamanduá Dump wall Processing 9,0 1982

Carajás III Dump wall Processing 5,0 1982

Carajás V Dump wall Processing 12,0 1982

Carajás IA Dump wall Processing 12,0 1982

Xisto - Britagem Primária Dump wall Processing 9,0 1985

Britagem Lavrinhas Dump wall Processing 10,0 1986

Trombetas Dump wall Processing 15,0 1996

Fortaleza de Minas Dump wall Processing 15,0 1996

Igarapé Bahia Dump wall Processing 9,0 1998

Complexo Tamanduá Dump wall Processing 9,0 1999

Britagem Cauê Dump wall Processing 27,0 2000

Moega - Area 400 - Tamanduá Dump wall Processing 6,0 2001

Trombetas MRN 2001 Dump wall Processing 15,0 2001

Brazil Britagem CIB Dump wall Processing 6,0 2001

CVRD - Fábrica Nova Dump wall Processing 12,0 2003

Projeto Bauxita Paragominas Dump wall Processing 15,0 2004

Mineração Taboca Britador Dump wall Processing 13,0 2005

Muro Carajás Dump wall Processing 12,0 2005

V&M Paraopeba - Muro AB Dump wall Processing 6,0 2005

Britagem CFM Congonhas Dump wall Processing 10,0 2006

Maracá - Chapada Dump wall Processing 15,0 2006

MMX Corumbá Dump wall Processing 12,0 2006

Complexo Cuiabá - Anglogold Dump wall Processing 12,0 2006

Onça Puma Dump wall Processing 12,0 2007

Mina de Juruti - ALCOA Dump wall Processing 17,0 2007

Yamana Gold - Sera da Borda Dump wall Processing 18,0 2007

Britador Barro Alto Dump wall Processing 18,0 2010

Mina Itabiritos Dump wall Processing 13,0 2011

Kalsaka Mine Tip Wall Processing 9,8 2007 Burkina Faso Perkoa Mine Tip Wall Processing 8,0 2007

Mont Wright (Q740003) Truck Dump Processing 17,0 1974

Canada Mont Wright, N.Q. (Q800002) Truck Dump Processing 20,0 1980

Syncrude Truck Dump Crusher Processing 11,0 1984

Page 4 de 8 MINING DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Syncrude Truck Dump II Crusher Processing 11,0 1984

Quintette Truck Dump Crusher/Hopper Processing 5,0 1987

Westar Truck Dump Truck Dump Processing 8,0 1987

Minova Mine Truck Dump Civil infrastructure 11,7 1989

Angola Syncrude APS III Truck Dump Processing 14,3 1991

Suncor APS Truck Dump Processing 18,0 1993

Syncrude Surge - North Mine Truck Dump Processing 15,0 1996

Syncrude Crusher T01 Crusher Processing 16,5 1997

Suncor New Mine Truck Dump Processing 24,5 1997

Syncrude Crusher T02 Truck Dump Processing 16,5 1998

Aurora Mine Truck Dump Processing 16,0 1998

Shell Oil Sands (Muskeg) Truck Dump Processing 19,0 2001

Syncrude North Mine APS Truck Dump Processing 18,7 2003 Canada Syncrude 9A South Bridge Truck Dump Processing 10,4 2004

Syncrude 10A Bridge Truck Dump Processing 11,0 2004

Syncrude 9A North Bridge Truck Dump Processing 11,7 2004

Suncor Steepbank 2 Truck Dump Processing 21,0 2005

Canadian Natural Resources Truck Dump Processing 19,9 2006

Muskeg River Expansion Crusher Truck Dump Processing 18,0 2007

Tulsequah Mine Site Truck Dump Processing 15,0 2008

Bloom Lake Truck Dump Processing 20,0 2009

Syncrude - Aurora Train 1 Replacement Truck Dump Processing 18,6 2009

Mobil Oil Sands Kearl Truck Dump Processing 17,3 2010

Albian Sands Haul Road Tunnels Truck Dump Processing 14,0 2010

CNRL OPP 3 Truck Dump Processing 18,0 2010

Fort McMurray Syncrude - North Mine Replace MHF Truck Dump Processing 20,8 2011

Bateman (Miba 1) Tip Wall Processing 12,0 1998

Miba 2 Tip Wall Processing 8,0 1999

Oryx 1 Tip Wall Processing - 2000 Congo (Democratic Republic of) Oryx 2 Tip Wall Processing - 2000

Miba NLK2 Tip Wall Processing - 2003

Frontier Project Tip Wall Processing 17,0 2006

Kipoi mine Tip Wall Processing 8,4 2010

Eritrea Bisha Gold Tip Wall Processing 16,5 2008

Wittelsheim Stocamine Dump wall Processing 7,4 1999

France Tiebaghi Ship Loading Facility Dump Structure Processing 8,6 2004

Koniambo Nickel Dump Wall Dump Structure Processing - 2010

Ghana Perseus Mining, (Ashanti Gold Mine) Tip Wall Processing 16,0 2009

Siguiri Mine I Tip Wall Processing 13,0 1997

Siguiri II Tip Wall Processing 14,0 1998 Guinea Siguiri CIP plant Tip Wall Processing - 2004

Lefa Corridor Tip Wall Processing 15,0 2004

Air Tawar Dump Bridge Dump Structure Processing 15,0 1992

East Senakin Dump Wall Dump Structure Processing - 1992

Sembilang Dump Bridge Dump Structure Processing - 1992

Petangis Coal Mine Dump Structure Processing - 1993

West Senakin Dump Structure Dump Structure Processing - 1993

Indonesia Mt Muro Dump Wall Dump Structure Processing 13,9 1993

Senakin Quarry Dump Structure Processing - 1994

West Senakin Variation Dump Structure Processing 11,0 1995

Freeport Crusher # 6 Dump Structure Processing 37,0 1996

Freeport Cr 6/7 Wall Strengthening Stage 1 Dump Structure Processing 37,0 2001

Freeport Cr 6/7 Buttress Walls Dump Structure Processing 15,0 2003

Page 5 de 8 MINING DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Freeport Cr 6/7 Rebuild Supply Dump Structure Processing 22,0 2003 Indonesia Toka Tindung Dump Structure Processing 14,0 2006

Italy Nuova Cives - Miniera di Vidracco Dump wall Processing 13,0 2010

Jamaica St Jago Jamaica Dump Structure Processing 10,9 2000

Angola Sepon Gold Dump Structure Processing 11,9 2002

Laos Sepon Copper Dump Structure Processing 11,2 2004

Sepon Gold Expansion Dump Structure Processing 16,5 2004

Magadascar Ambatovy mine Dump Processing 17,0 2008

Mali Yatela Gold Tip Wall Processing 13,0 1999

Mauritania Taisiast Mauritania Tip Wall Processing 13,0 2005

Mongolia UHG 10Mtpa CHPP Expansion Dump Structure Processing 13,5 2010

Zambezi Tip Wall Processing - 1996 Mozambique Moatize Coal Tip Wall Processing 20,2 2010

Consolidated Diamond Mine – 50G Tip Wall Processing 20,0 1976

Consolidated Diamond Mine – No 3 Conglomerate Tip Wall Processing 13,0 1976

Auchas Tip Wall Processing 6,0 1989 Namibia Auchas II Tip Wall Processing 14,0 1991

Elizabeth Bay Tip Wall Processing 14,0 2003

Uranium 1 (Matomo projects) Tip Wall Processing 7,1 2008

Rotowaro Dump Structure Dump Structure Processing 18,0 1995

New Zealand Macraes Dump Structure Dump Structure Processing 12,9 2003

Globe Progress Dump Structure Dump Structure Processing 5,6 2006

Lihir Primary Crusher Dump Structure Processing 14,5 1996 Papua New Guinea Ok Tedi Expansion Dump Structure Processing 15,8 2005

Hidden Valley Dump Wall Dump Structure Processing 19,3 2008

Rwanda Muhanga tip wall Tip Wall Processing 10,0 2010

Saudi Arabia Bulghah Gold Mine Dump Structure Processing 15,4 2001

Koidu Diamond Works Tip Wall Processing 9,8 2002 Sierra Leone Koidu Mine 2 Tip Wall Processing 15,0 2010

Beestekraal Tip Wall Processing 8,3 1977

Machadadorp Tip Wall Processing 6,0 1979

Beestkraal II Tip Wall Processing 3,0 1979

Kimberley II Tip Wall Processing 7,0 1979

Marquard Tip Wall Processing 6,0 1979

Aggenuys Tip Wall Processing 13,0 1980

Rooikraal Tip Wall Processing 13,0 1982

Silicon Smelt II Tip Wall Processing 6,0 1982

Fariview Mine Barbeton Tip Wall Processing 6,0 1983

Wolwekrans Tip Wall Processing 7,5 1987

Koffiefontein Tip Wall Processing 7,0 1987

Premier Diamond Mine Tip Wall Processing 12,0 1989 South Africa Savmore Colliery Tip Wall Processing 8,3 1990

Weltevreden Tip Wall Processing 10,5 1990

Lonerock Tip Wall Processing 6,0 1991

Sasol 1 tip wall Tip Wall Processing 5,0 1991

Sigma retaining wall Tip Wall Processing 6,8 1993

Namakwa Sands I Tip Wall Processing 10,0 1998

Lethlakane tip wall Tip Wall Processing 2 tier 20 1998

Kroondal – Rustenberg Tip Wall Tip Wall Processing 13,5 1998

Samancor (Vereeniging) Tip Wall Processing 9,0 1998

Time Mining (Kalahari Goldridge) Tip Wall Processing 6,0 1999

Namakwa Sands 2 - Box 75 Tip Wall Processing - 1999

Baken Mine Tip Wall Processing 8,0 1999

Page 6 de 8 MINING DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Greenside Colliery Tip Wall Processing 6,0 2000

Kimberley II Tip Wall Processing - 2000

Samancor 2 Tip Wall Processing 9,5 2002

Namakwa Sands 3 Tip Wall Processing 18,0 2002

Angola Optimum Colliery (Kwagga Tip 1) Tip Wall Processing 19,0 2002

Karee Tip Wall Processing 7,5 2002

Optimum Colliery Wall 1 Extension Tip Wall Processing - 2003

PPC Dwaalboom Tip Wall Processing - 2003

Kroondal # 2 Tip Wall Processing 8,9 2004

Vaalkrantz Tip Wall Processing 6,0 2004

Isibonelo Colliery (S Kriel) Tip Wall Processing 12,0 2004

Everest South Tip Wall Processing - 2004

Andru Mining (MVD Kroondal) Tip Wall Processing 8,7 2005

Baken # 2 Tip Wall Processing 18,0 2005

Venetia Rock Cut Tip Wall Processing - 2005

Two Rivers Tip Wall Processing - 2005

Nkomati Tip Wall Processing 17,8 2006

South Africa Excelsior Tip Wall Tip Wall Processing 11,0 2006

Mafube Colliery Tip Wall Processing 16,0 2006

Inyanda Coal Tip Wall Processing 15,0 2007

Bluegum Mine Tip Wall Processing 6,0 2007

Pilansberg Platinum Mine Head Wall Processing 15,7 2007

Goedgevonden - Witbank Tip Wall Processing 15,0 2007

Nkomati 2 Tip Wall Processing 10,0 2007

Bluegum Mine 2 Tip Wall Processing 6,0 2008

Namakwa Sands 3 Tip Wall Processing 10,0 2008

Navigation West (Landau Colliery) Tip Wall Processing 11,0 2008

Matiz, Plant Vaal (Clinker Supplies) Tip Wall Processing 13,5 2008

Zondagsfontein Tip Wall Processing 12,6 2009

Middelkraal (container tip) Tip Wall Processing 8,0 2009

Brummersheim Colliery Tip Wall Processing 9,6 2010

Dorstfontein Tip Wall (RSV) Tip Wall Processing 18,0 2010

Atcom East Tip Wall Processing 18,7 2010

Bronkhorstspruit Tip Tip Wall Processing 7,7 2010

Vanggatfontein Tip Wall Tip Wall Processing 9,4 2010

Bulyanhulu Tip Wall Processing 11,7 1998 Tanzania Williamson Diamond Mine Tip Wall Processing 16,0 2010

K-M Truck Dump Dump wall Processing - 1977

Drummond Coal Crusher Dump wall Processing - 1978

Crusher #6 Dump Wall Dump wall Processing - 1979

Colowyo Truck Dump Dump wall Processing - 1979

Diamonds Ranch Dump Dump wall Processing - 1980

Std. Metals Mayflower Mil. Dump wall Processing - 1980

Pinson Mine Dump wall Processing - 1980

Alligator Ridge Mine Dump wall Processing - 1980 USA Consol Truck Dump Dump wall Processing - 1980

Black Butte Truck Dump Dump wall Processing - 1980

Coal Creek Project Dump wall Processing - 1980

Gypsum Mine Truck Dump Dump wall Processing - 1981

Rojo Caballow Truck Dump Dump wall Processing - 1981

Sahuarita Mine Dump wall Processing - 1982

Anaconda Copper Plant Dump wall Processing - 1982

TMPA Truck Dump Dump wall Processing - 1982

Page 7 de 8 MINING DUMP STRUCTURES UPDATE OCTOBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Cominco-Buckhorn Dump wall Processing - 1983

Lovell Crushing Facility Dump wall Processing - 1983

Cripple Creek Mine Dump wall Processing - 1984

Boulder Creek Dump wall Processing - 1984

Angola Steer Branch Truck Dump Dump wall Processing - 1985

Stillwater Truck Dump Dump wall Processing - 1986

Carlin Gold Mine Dump wall Processing - 1986

Truck Dump Project Dump wall Processing - 1987

Newmont Mine Walls Dump wall Processing - 1987

Kennecott Crusher Wall Dump wall Processing - 1987

Truck Dump Wingwalls Dump wall Processing - 1988 USA Oracle Mine Dump wall Processing - 1990

Norton Truck Dump Dump wall Processing - 1990

Rawhide Mine Dump wall Processing - 1990

Barrick Gold Mine Dump wall Processing - 1993

Morenci Truck Dump #1 Dump wall Processing - 1994

Kennecott Wall Dump wall Processing - 1994

Morenci Truck Dump #2 Dump wall Processing - 1996

Rey Mine Crusher Walls Dump wall Processing - 1996

N. Rochelle Crusher Wall Dump wall Processing - 1998

Red Hills Generating Facil. Dump wall Processing - 1999

Freedom Mine Crusher Wall Dump wall Processing - 2007

Uzbekistan Oxus Mine Tip Wall Processing 7,7 2002

Zambia Kansanshi Upgrade Tip Wall Processing - 2007

Zimbabwe Murowa Diamonds (Consulmet) Tip Wall Processing 4,5 2008

Page 8 de 8 OTHER MINING REINFORCED EARTH STRUCTURES UPDATE SEPTEMBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

A1 Load Station, Andoom, Weipa Bridge Civil infrastructure 12,7 1978

Del Park Road Bridge - Pinjarra Abutment Civil infrastructure 10,7 1978

Lorim Point Dump Bridge, Weipa Retaining Wall Civil infrastructure 8,0 1978

Tarong Power Station silo Storage 12,0 1981

Savage River Mine Embankment Support Retaining Wall Civil infrastructure 6,0 1981

Mt Thorley Easement Wall Retaining Wall Civil infrastructure 6,0 1981

Switchyard Access Road - Tarong Power Bridge Civil infrastructure 3,0 1982

Boundary Hill - Slot Bunker Silo Storage 15,0 1982

Riverside Mine - Bottom Dump Bridge Abutment Civil infrastructure 14,2 1982

Callide B Slot & Dump Walls Silo Storage 15,0 1984

Del Park No. 3 Bridge Bridge Civil infrastructure 8,0 1984

Mt. Percy Retaining Wall Retaining Wall Civil infrastructure 9,0 1985

Bardock Mine Abutment Civil infrastructure 14,6 1986

Goonyella Rom Hopper Wing Walls Retaining Wall Civil infrastructure 6,3 1986

Labouchere Gold Retaining Wall - - 1989

Leinster Ramp Retaining Wall Civil infrastructure 3,0 1990

Vickery North Coal Mine Dst Retaining Wall Civil infrastructure 9,0 1990

Radio Hill R/W Retaining Wall Civil infrastructure - 1991

Vickery Haul Road Bridge Over Namoi Ri Retaining Wall Civil infrastructure 2,0 1991

Minenco Argyle R/W Retaining Wall Civil infrastructure 9,0 1991

Rix's Creek Bridge Over Highway Singleton Abutment Civil infrastructure - 1993

Mesa J Rail Loading Ramp Retaining Wall Civil infrastructure - 1993

Mt Edon Tarmoola Crane Pad Retaining Wall Civil infrastructure 5,5 1994

Stratford Tunnel R/W Retaining Wall Civil infrastructure 4,6 1995

Camberwell Bridge Over Rail Retaining Wall Civil infrastructure 7,5 1995

Norwich Park Haul Road Retaining Wall Civil infrastructure 2,3 1995

Australia Henty Gold Project Retaining Wall Civil infrastructure 8,0 1995

Yandi Ii Headwalls Retaining Wall Civil infrastructure 11,0 1996

Paraburdoo R/W Retaining Wall Civil infrastructure 3,4 1996

Mt Owen Headwalls Retaining Wall Civil infrastructure 5,6 1996

Vulture Rd Overbridge Abutment Civil infrastructure 8,3 1996

Willowdale Conveyor Bridge Abutment Handling 15,6 1998

Stratford Coal Variation Retaining Wall Civil infrastructure - 1998

Dawson Hwy Crossing Bridge Civil infrastructure - 1998

Willowdale Variation (3151) Abutment Civil infrastructure 16,0 1999

Onslow Salt Dump Structure Bridge Processing 9,0 1999

Yandi Ii Rectification Retaining Wall Civil infrastructure 4,7 2001

Varanus Island Terratrel Retaining Wall Civil infrastructure 1,5 2002

Qni Ore Handling Retaining Wall Civil infrastructure 6,5 2002

Hamersley Iron Crossover Bridge Abutment Civil infrastructure 9,8 2002

Wso Trial Wall Retaining Wall Civil infrastructure 4,0 2003

Putty Road Bridge Abutment Civil infrastructure 6,0 2003

Stratford Coal Extension Retaining Wall Civil infrastructure 5,0 2005

Finucane Island Bridge Civil infrastructure 10,0 2005

Broadlea North Mine Retaining Wall Civil infrastructure 10,0 2006

Mining Area C Rail Headwalls Retaining Wall Processing - 2006

Cloud Break Headwall Tunnel Handling - 2007

Hazelwood Mine Stage 3, 4 5 & 6 Tunnel Civil infrastructure 4,0 2007

Prominent Hill Ball Charge Retaining Wall Civil infrastructure 5,0 2008

Cloud Break Christmas Creek Underpass Abutment Civil infrastructure - 2008

Mt Gibson Haul Road Abutment Civil infrastructure 7,0 2008

Stratford Mine Headwall Retaining Wall Processing 4,0 2008

Port Kembla Dump Hopper Retaining Wall Processing 3,5 2008

Page 1 de 4 OTHER MINING REINFORCED EARTH STRUCTURES UPDATE SEPTEMBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Yandi RGP5 - COS - Vault Walls Tunnel Handling 10,5 2009

Newstan to Eraring Haul Road Retaining Wall Civil infrastructure 10,5 2009

Brockman 4 ANFO Store Retaining Wall Civil infrastructure 8,4 2009

Pinjarra Williams Road Bridge Abutment Civil infrastructure - 2010

Marradong Headwalls Retaining Wall Processing - 2010 Australia Ravensthorpe Limonite Structure Retaining Wall Civil infrastructure 23,0 2010

Christmas Creek Retaining Wall Retaining Wall Civil infrastructure - 2010

Macedon Project Retaining Wall Civil infrastructure - 2010

Sims St. Esperence Retaining Wall Civil infrastructure - 2011

Karara Tailings Thickener Wall Retaining Wall Civil infrastructure 8,0 2011

Orapa retaining wall Wing Walls Processing 16,0 1998 Botswana Jwaneng tip wall Wing Walls Processing 27,0 2000

Páteos CVRD Pateos A, B, C, D e F Processing 4,0 2002 RE walls supporting bucket wheel Brazil Ponta da Madeira TR 313K-46 Processing 4,0 2006 reclaimer Ponta da Madeira - Ampl. Pateo A Processing 4,0 2006

Sussex Potash Co. Access Road Civil infrastructure 7,0 1981

Gregg River Mine Hinton Haul Road Abutment Civil infrastructure 10,5 1982

Lake Zone Mine, Logan Lake Plant Access Civil infrastructure 7,5 1982

Obed Glory Hole Loading Facility Storage 28,0 1983

Roberts Bank Bridge Abutment Civil infrastructure 9,0 1983

Cominco Bridge Haul Road Abutment Civil infrastructure 8,0 1986

Puffy Lake Plant Facility Processing 7,5 1987

Brenda Mines TechSpan Crossing Civil infrastructure 7,5 1989

Grass River Bridge Mine Crossing Civil infrastructure 6,0 1989

Stellarton F.B.A. Rail/Hwy Crossing Civil infrastructure 6,7 1991

Road Relocation - Syncrude Road Crossing Civil infrastructure 11,4 1993

Australia Cyclofeeder Wall Plant Facility Processing 8,9 1993

Conveyor Walls Conveyor Crossing Handling 8,5 1993

Syncrude TechSpan Wingwalls/CollarWall Conveyor Crossing Handling 15,2 1994

Canada Conveyor Walls 2 Conveyor Crossing Handling 8,5 1994

Scrubber Building Plant Facility Processing 15,8 1994

High Prairie Ramp Plant Facility Processing 5,8 1995

Conveyor Walls 3 Conveyor Crossing Handling 8,5 1996

Coke Transfer Plant Facility Processing 6,5 1998

Millenium Bridge Culvert Walls Plant Crossing Civil infrastructure 14,5 1999

Millenium IPS Walls Plant Facility Processing 3,7 1999

Muskeg Froth Tank Walls Processing Tanks Processing 8,8 2000

Froth Booster Pumphouse Wall Plant Facility Processing 6,1 2000

Tails Pumphouse - Suncor Plant Facility Processing 4,5 2003

Daishowa 7 Plant Facility Handing 6,4 2005

Suncor Steepbank River Bridge Heavy Crawler Civil infrastructure 20,0 2007

Suncor Plant 300 Access Road Plant Facility Processing 10,4 2008

Wolverine Mine Site Plant Facility Processing 11,5 2009

Ft McMurray Sharkbite Underpass RW Handling 7,5 2010

Hambach Ramp Walls Civil infrastructure 8,2 1983 Germany Frechen Retaining Walls Civil infrastructure 8,6 1984

India Mining plant at Kundal Approach walls Civil infrastructure 10,0 2009

Freeport Stockholding No1 Retaining Wall - 10,2 1994

Freeport Stock Holding No.2 Retaining Wall - 10,0 1994

Freeport Water Tank Rw Retaining Wall Storage 11,9 1994 Indonesia Freeport Tram Station Retaining Wall - 12,0 1994

Freeport Spare Parts Retaining Wall Civil infrastructure - 1996

Petangis Side Dump Bridge Abutment Processing 7,3 1996

Page 2 de 4 OTHER MINING REINFORCED EARTH STRUCTURES UPDATE SEPTEMBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Freeport Dozy Portals Tunnel Civil infrastructure 9,0 2003 Indonesia Freeport Close Out Report Retaining Wall - - 2006

Jamaica Kirkvine Bauxite Mine Plant Facility Processing 14,0 2004

Mali Sadiola Mine Wing Walls Processing 16,0 1995

New Zealand Roxburgh Switchyard Extension Retaining Wall Civil infrastructure 7,7 1986

Namibia Trekkopje reservoirs Retaining Wall Civil infrastructure 7,5 2009

Papua New Guinea Ok Tedi East Wall Retaining Wall Retaining Wall Processing 6,0 2006

Grootegeluk Coal Mine Wing Walls Processing 20,0 1976

Kimberly I Wing Walls Processing 6,0 1978

Chemwes Uranium plant Stilfontein Slot Storage Storage 16,0 1978

ISCOR direct reduction plant Slot storage Storage 8,0 1983

Greenside Colliery (E.TVL Mine) Slot Storage Storage 12,0 1984

Koornfontein Slot Storage Storage 17,0 1985

Tweepad II Wing Walls Processing 41,0 1986

Grootegeluk II Wing Walls Processing 45,0 1987

Dull Coal Grootegeluk Wing Walls Processing 24,0 1991

Kromdraai Wing Walls Processing 25,0 1991 South Africa South Witbank (Glory hole) Slot Storage Storage 15,0 1991

Rietspruit Glory Hole Slot Storage Storage 7,0 1992

Duvha Headwall Wing Walls Processing 13,0 1994

Cru-Klipfontein Wing Walls Processing 30,0 1999

Douglas Colliery Wing Walls Processing 27,0 2000

Venetia Mine crusher Wing Walls Processing 15,0 2004

Sishen Wing Walls Processing 21,0 2006

Boshmanskrans, Middelburg Wing Walls Processing 10,0 2009

Sishen South Wing Walls Processing 19,7 2009

Australia Dorstfontein Slot Slot Storage Storage - 2010

Union Carbide Plant - Processing - 1976

American Electric Project Road/Bridge/Sitework Civil infrastructure - 1977

Haul Road Construction Road/Bridge/Sitework Civil infrastructure - 1977

Black Thunder Mine Slot Storage Slot Storage - 1977

Pawnee Generation Sta. Slot Storage Slot Storage - 1978

Coyote Station Elec. Coal Slot Slot Storage - 1978

Clovis Point Mine Slot Storage Slot Storage - 1978

Marissa Mine Gloryhole Storage Gloryholes Storage - 1979

Cordero Mine Slot Storage Slot Storage - 1979

Kyanite Wet Slot Slot Storage - 1979

Keenesburg Gloryhole Slot Storage - 1980

Prairie Hill Mine Slot Storage Slot Storage - 1980

Antelope Valley Sta. Slot Storage Slot Storage - 1980 USA Kyanite Dry Storage Slot Slot Storage - 1980

La Badie Plant Slot Storage Slot Storage - 1981

Colstrip Mine Slot Storage Slot Storage - 1981

Grey Eagle Mine - - - 1981

Colony Shale Access Rd. Road/Bridge/Sitework Civil infrastructure - 1981

Colony Oil Shale Project - Processing - 1981

Union Oil Shale W Portal - Processing - 1981

Great Plains Coal Gasification Slot Slot Storage - 1982

Antelope Mine - - - 1982

Cyprus Mine - Processing - 1982

Beaverhead Mine - - - 1982

Colony Oil Shale Project III Road/Bridge/Sitework Civil infrastructure - 1982

Cordero Haul Road Road/Bridge/Sitework Civil infrastructure - 1983

Page 3 de 4 OTHER MINING REINFORCED EARTH STRUCTURES UPDATE SEPTEMBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] YEAR

Irvington Power Station Slot Storage Slot Storage - 1983

Kayenta Mine Slot Storage Slot Storage - 1983

Bonanza Fuel Slot Storage Slot Storage - 1983

Asamera Mill Project - - - 1984

Cyprus Mine - - - 1984

Sherburne Power Plant Slot Storage Slot Storage - 1985

Summitville Mine - - - 1985

Rochelle Mine - - - 1985

Atlas Facility - Processing - 1985

Rochelle Mine Slot Storage Slot Storage - 1986

Pegasus Gold Mine - - - 1986

Beth Station Mine - Processing - 1987

Asamera Minerals Project - - - 1987

Wasco Coal Storage Facil. Gloryholes Storage - 1988

Chaparral Steel - - - 1988

Haul Road Road/Bridge/Sitework Civil infrastructure - 1989

Bear Track Mine - Processing - 1991 USA Leland Olds Coal Storage Slot Storage - 1992

Lassen Gold Mine - Processing - 1992

Saw Pit Gulch Haul Road Road/Bridge/Sitework Civil infrastructure - 1993

ACIPCo Plant Expansion - - - 1996

Bailey Mine Headwalls Road/Bridge/Sitework Processing - 1997

Monsanto Site Wall - - - 1997

Edgar Thomson Plant - - - 1997

Bailey Mine Steep Slope Road/Bridge/Sitework Civil infrastructure - 1998

N. Rochelle Coal Slot Storage Slot Storage - 1998

Australia Big Brown Rail Spur Road/Bridge/Sitework Civil infrastructure - 1999

Morenci Bridge Lower Wall Road/Bridge/Sitework Civil infrastructure - 1999

Morenci Bridge Upper Wall Road/Bridge/Sitework Civil infrastructure - 1999

West Valley Generating Sta. - - - 2001

Atlantic Steel Site Redevelop - - - 2001

Bailey Mine Expansion Road/Bridge/Sitework Civil infrastructure - 2003

Consol Crabapple Slope Road/Bridge/Sitework Civil infrastructure - 2009

J Amos Plant Haul Road Road/Bridge/Sitework Civil infrastructure - 2011

Zambia Kansanshi Copper Wing Walls Processing 17,5 2004

Page 4 de 4 TECHSPAN MINING STRUCTURES UPDATE SEPTEMBER 2012 REFERENCE LIST

COUNTRY PROJECT TYPE MAIN FUNCTION HEIGHT [m] SPAN [m] YEAR

2,7 Rix's Creek Coal Reclaim Tunnel Tunnel Handling 4,7 1992 2,7 East Maitland Reclaim Tunnel Tunnel Handling 4,7 1993 4,1 Ensham Reclaim Tunnel Tunnel Handling 6,5 1996 4,3 Ensham River Crossing Culvert Civil infrastructure 13,0 1996 4,2 Moranbah North Coal Mine Reclaim Tunnels Tunnel Handling 6,5 1996 4,1 Olympic Dam Reclaim Tunnel Tunnel Handling 6,5 1997 8,9 Dawson Hwy Crossing Bridge Civil infrastructure 19,0 1998 4,0 Olympic Dam Drive Tunnel Tunnel Handling 6,5 1998 3,9 Mt Arthur North Reclaim Tunnels Tunnel Handling 6,2 2002 4,0 Morwell River Diversion Tunnels Tunnel Civil infrastructure 3,5 2002 2,3 Bloomfield Coal Reclaim Tunnel Tunnel Handling 4,3 2002 3,6 Hazelwood Mine Tunnel - 10,4 2003 3,6 Hazelwood Mine Stage 2 Tunnel - 10,4 2003 3,6 Foxleigh Reclaim Tunnel Tunnel Handling 6,5 2005 Australia 7,1 Millenium Overpass Tunnel Civil infrastructure 8,9 2005 8,2 Finucane Island Bridge Civil infrastructure 18,9 2005 6,6 Mining Area C Rail Tunnel Tunnel Civil infrastructure 9,1 2006 6,2 Newpac Reclaim Tunnel Tunnel Handling 3,6 2006 5,6 Tom Price Reclaim & Escape Tunnels Tunnel Handling 4,8 2006 4,4 Cloud Break Reclaim Tunnel Tunnel Handling 6,7 2006 3,6 Blakefield South Reclaim Tunnel Handling 6,2 2007 4,4 Cloud Break Reclaim Stage 2 Tunnel Handling 6,7 2007 4,4 Cloud Break Reclaim Stage 3 Tunnel Handling 6,7 2007 3,6 Hazelwood Mine Stage 3 Tunnel - 10,4 2007 4,7 Kestrel Mine Portals Tunnel Handling 8,0 2008 6,8 Daunia Mine Mine Overpass - 2,3 2008 5,7 Yandi III Access Rd - Rail Tunnel Tunnel Civil infrastructure 11,7 2009 5,3 Yandi RGP5 - COS - Reclaim Tunnel Tunnel Handling 7,0 2009 - Packsaddle Tunnel Vehicle Overpass Civil infrastructure - 2010 - Brenda Mines Crossing - - 1989 Canada - Syncrude TechSpan Wingwalls/CollarWall Conveyor Cross. Handling - 1994 - Georgia-Pacific Surge Tunnel Plant Facility - - 2002 7,4 Indonesia Freeport Dozy Portals Tunnel - 8,8 2003

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