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PROJECTS - MINING
Sovereign has successfully sealed more than 200 underground mine sites the past 45 years across 5 continents.
Underground sites - Pre-grouted prior to excavation and waterproofed existing leaky formations.
Mine Shafts - Pre-grouted prior to excavation.
Mine Shafts - Water sealing by means of reactive grouting during and after excavation.
Mine Shaft lining repairs: Shotcrete, concrete and steel linings/tubbings – water sealing by means of reactive grouting after excavation.
Some projects undertaken by SOVEREIGN using our patented products and technology include:

Wallaby Gold Mine 2016 - 2017

Greminskaya Mine Russia – Sealing of the Service Shaft 2016

Norilsk Nickel Russia – Oktjabrsky Mine, water inflow removal in the WSS Shaft 2016

Norilsk Nickel Russia – Oktjabrsky Mine, water inflow removal in the WSS Shaft 2016

Saracen Mines – Deep South Gold Mine, sealing raisebore vent shaft 2016

Goldfields Australia – Wallaby Gold Mine, sealing VR7 Shaft sink 2016

St Ives Gold Mining Company / Goldfields – Hamlet shaft-bottom sealed – 16Lt/sec. WA Australia 2012.

Crocodile Gold Australia Operations – Pre-grout RB3 - 5m shaft in Cosmo pit (Water Inflows and ground stabilization) NT Australia 2012.

Konkola Copper Mines PLC / Vedanta – sealing gushing Ore pass between levels 2650'L and 2900'L Zambia 2011

Konkola Copper Mines PLC / Vedanta – Sealing the LPC rail area at 2900'L. Zambia 2011

Crocodile Gold Australia Operations – Pre-Grout 70° raise bore evacuation / vent shaft in Cosmo pit prior to sinking. NT Australia 2011

Xstrata Nickel Mine – Cosmos. Pre-grout vent shaft CGT 038 prior to sinking. WA Australia 2011

Xstrata Nickel Mine – Prospero SP24 & Cosmos 9860, Grouting off diamond drill hole. WA Australia 2011

Xstrata Nickel Mine – Cosmos & Prospero – high pressure grouting of connecting exploration holes – WA Australia 2011

St Ives Gold Mining Company / Goldfields / RUC Hamlet Ventilation Shaft – Pre-grouting prior to shaft sinking – WA Australia 2011

St Ives Gold Mining Company/ Goldfields / RUC Athena Ventilation shaft – Pre-grouting prior to shaft sinking – WA Australia 2011

Xstrata Nickel Australasia Operations – Sinclair Mine / Curtain grout between flooded open cut floor and stopes – WA Australia 2010

Xstrata Nickel Mine – Prospero Ventilation Shaft / Raise Bore – WA Australia 2010

Lightning Nickel Mine – Moran Ventilation Shaft / Raise Bore – WA Australia 2010

Anglo Gold Ashanti – Sunrise Dam. Levels, Portal and Vent Shaft / Rehabilitation – WA Australia 2010

Xstrata Nickel Mine – Tapinos Underground Levels – WA Australia 2009

Xstrata Nickel Mine – Cosmos Deep Levels – WA Australia 2009

Barrick (Granny Smith) Pty Ltd – Wallaby Portal / VR2 Vent Shaft / Rehabilitation – WA Australia 2008

Xstrata Nickel Mine - Tapinos Ventilation Shaft / Rehabilitation – WA Australia 2008

Mosaic Potash Esterhazy K2 Plant, Underground Levels – Canada 2008, 2009, 2010

Cargill - Avery Island Salt Mine, Underground Levels trial – Louisiana, USA 2008

Lyons Salt Mine, Underground Level – Kansas, USA 2008

St Ives Gold Mining Company Pty Ltd / Goldfields – Belleisle decline, Kambalda WA Australia 2007 /2008. Mine Foreman I Petrie 160 Lt/Sec / 12 bar + Second contract sealing nuisance water on level 1.

Western Areas NL - Flying Fox Mine - decline. WA Australia 2006. Mine Manager - Ken McKenzie. 70 Lt / Sec. Aquifer - 100% seal.

Hargraves Resources NL - Browns Creek Mine. NSW Australia 1998

Normandy Golden Grove - Gossan Hill mine. Australia. P Loerch / D Quinlivan. Western Metals NL - Cadjebut Zinc Mine / Kapok Decline - pre grout decline. General Manager D Harper. Cadjebut fault - 80 Lt / second. Australia.

Gold Mines of Australia - Youanmi Gold Mine (decline pre-grout) 1997. WA Australia.Keith Daley / Charlie Karelsen. Intersections totalling 50lt /second in decline each. Smaller contracts followed.

Emerald Mine - Western Australia

Rosebery Mine - Tasmania

Kambalda - Western Australia

BHP - Crinium Mine. Up-cast shaft (Cementation Mining Ltd. UK JV), UK.

Coalbrook Colleries No 1 Shaft (Cementation Mining Ltd. UK JV), UK.

British coal - Whitemoor Mine. No 2 shaft. (Cementation Mining Ltd. UK JV), UK.

Northam Platinum mine - No 2 shaft. Transvaal, RSA. 1997-1998. General Manager Ian Watson. Water pressure = 1595 PSI / 54⁰C / & 850 Lt / minute.

Du Toits & Wesselton Diamon Mine - Ore passes. Northern Cape, RSA. 1997

North Limited - Kanowna Belle Gold Mines - ventilation rise 1996. Underground Manager M Spreadborough.

Koffiefontein Diamond Mine - Ore passes. Orange Free State, RSA 1995 - 1996

Finch Mine - Ore passes & levels (2 contracts). Northern Cape, RSA. 1994

Normandy Golden Grove - Scuddles Mine - vent shaft. 1992 & 1993

Pasminco Mining - Broken Hill South Mine (5 shaft). NSW 1990

Samancor - Waterkloof Mine raise bore holes. RSA. 1990

Northam Platinum Mine - No 1 shaft. Transvaal RSA. 1989

Monktonhall Colliery – Scotland 1988 Shaft 1, 2880 L/min sealed and shaft 2, 784 L/min sealed.

Kloof Mine - Number 4 shaft & haulages. Transvaal, RSA. 1988

Blyvooruitzicht Gold Mine - Fan chamber (level 6). Transvaal, RSA. 1989

Western Deep Levels - Main shaft & ventilation shaft. Transvaal, RSA. 1987

Libanon Mine - Levels. Transvaal, RSA. 1984

President Steyn No 4 Shaft - Refrigeration dams. RSA

West Driefontein Gold Mine, Vaal Reefs No 11 Shaft. Transvaal, RSA. General Manager – P Joubert. At 600m the inflow was 10.4 Lt / second. Returned contracts followed over an 8 month period.

West Driefontein Gold Mine, Vaal Reefs - No 9 Shaft. Transvaal RSA. 1981 General Manager – B Walker. Period - with intervals over 2 years)

Vaal Reefs No 8 Shaft - Underground storage dams. Transvaal RSA

Moab - No 12 Shaft

Crocodile Creek / Porolus - Haulages

Namibia Gold Fields - Haulages. Namibia

Brand Mine - No 5 Shaft. RSA

Wesdriefontein Mine - No 7 shaft and haulages. Transvaal RSA

Doringkop Mine - Levels RSA

Leeudoring Mine - Levels RSA

Elandsrand Gold Mine - Shaft RSA 1979

Foscor Mine Phalaborwa, RSA 1975