Terra Nova Technologies
HEAP LEACH STACKING SYSTEM PROJECTS
Project
Client
Year(s)
Scope of Work
Safford Leach
USA
Copper Ore
Freeport-McMoRan
2011-2012
Design, supply and erection of new 60”x7400’ long regenerative overland conveyor with mobile tripper, and 72”x1700’ long extension to existing agglomeration transfer conveyor .
Lomas Bayas
Chile
Copper Ore
Xstrata
2011
Design and supply of 42”x90’ Horizontal Feed Conveyor, 48”x140’ Horizontal Conveyor and 42”x140/160’ Radial Stacker.
Cerro Colorado
Chile
Copper Ore
Compania Minera Cerro Colorado
2011
Continued support of stacking operations begun in 2004 by designing and supplying a tripper and Horizontal Conveyor, and a new Radial Stacker.
Cerro Verde
Peru
Copper Ore
Freeport-McMoRan
2011
Design and supply of two 42” overland conveyors (1700 m and 550 m).
Kisladag
Turkey
Gold Ore
Tüprag (Eldorado Gold)
2010
Upgrade to 2,400 t/h of the stacking system supplied by TNT in 2006, including design and supply of eight new portable conveyors, new Radial Stacker and Horizontal Conveyor, and new 1,960’ overland conveyor with new tripper. Upgraded existing overland conveying and tripper, and all existing mobile conveyors.
Cobre del Mayo
Mexico
Copper Ore
Frontera Copper
2010
Design and supply of 5 additional 36”x115’ portable conveyors (1,100 t/h) to augment the TNT-supplied heap leach stacking system purchased from a closed mine.
Ma’aden Phosphate Project
Saudi Arabia
Phospho-Gypsum
Ma’aden Phosphate Company
2009-2011
Design and supply of complete 54”–1425 t/h “Super Portable” mobile stacking system and overland conveyors, consisting of 14 – 250 ft long Super Portables, 2 Horizontal Feed Conveyors, 2 Horizontal Conveyors, 2 Radial Stackers, 2 Mobile Trippers and 6 Overland Conveyors totaling 22,000 ft.
Lomas Bayas
Chile
Copper Ore
Xstrata
2008-2009
Design and supply of 14 - 42” x 125’ Portable conveyors, 2500 t/h and two 42” overland conveyors totaling over 6,000 ft.
Cerro Verde
Peru
Copper Ore
Freeport-McMoRan
2008, 2011
Continued support of stacking operations by designing and supplying a total of seven 42”x125’ Portable conveyors, 2600 t/h, and new overland conveying.
El Abra
Chile
Copper Ore
Freeport-McMoRan
2007-08, 2010
Design, supply and erection of 8,550 t/h “Super Portable” stacking system, comprising 23 – 250 ft long Super Portables, horizontal feed conveyor, 275’ long horizontal conveyor and 220’ long radial stacker. This is the world's largest fixed pad, multiple-lift heap leach stacking system.
Morenci
USA
Copper Ore
Freeport-McMoRan
2007 and 2010
Design and supply of two 54” x 250’ “Super Portable” conveyors.
Gualcamayo
Argentina
Gold Ore
Yamana Gold Inc.
2007-08
Design and supply of three overland conveyors totaling 11,200 ft and 2,700 HP, 1250 t/h. Design and supply of 16 42” x 125’ portable conveyors.
Copler
Turkey
Gold Ore
Anatolia Minerals Development Ltd.
2007-09
Design and supply of 36” heap leach stacking system (1000 tph) and overland conveyor
Somair-Arlit
Niger
Uranium Ore
AREVA
2007-08
Design and supply of 800 mm heap leach stacking system (226 tph) and overland tripper conveyor.
Lady Annie
Australia
Copper Ore
Copperco Ltd.
2006-07
Design and supply of 30” heap leach stacking system (400 tph) and agglomerator transfer conveyor
Dolores
Mexico
Gold / Silver Ore
Compania Minera Dolores (Minefinders Corp.)
2006-07
Design, supply and erection of 36” heap leach stacking system (1053 mtph), and inplant crushing and conveying system, including primary, secondary, and tertiary crushing/screening, stockpile, reclaim, dust control, lime system and overland conveyors.
Safford Leach
USA
Copper Ore
Freeport-McMoRan (Phelps Dodge)
2005-07
Design, supply and erection of world’s largest mobile heap leach stacking system (7200 tph), comprising 7400’ long regenerative overland conveyor, ten
72” x 250’ “Super Portable” conveyors, horizontal feed conveyor, 300’ long horizontal conveyor and 220’ long radial stacker.
72” x 250’ “Super Portable” conveyors, horizontal feed conveyor, 300’ long horizontal conveyor and 220’ long radial stacker.
Ocampo
Mexico
Copper Ore
Gammon Lake Resources
2005-06
Design and supply of 36” heap leach stacking system (800 tph), overland conveyors, and coarse ore stockpile stacking and reclaim conveyors.
Lisbon Valley
USA
Copper Ore
Lisbon Valley Mining Co. (Constellation Copper)
2005
Design and supply of 36” heap leach stacking system (1100 tph)
Mantos de la Luna
Chile
Gold Ore
Grace SA
2005
Design and supply of 30” heap leach stacking system (600 tph)
Kisladag
Turkey
Gold Ore
Tüprag (Eldorado Gold)
2005-06
Design and supply of 42” heap leach stacking system (1600 tph), and two overland conveyors totaling 8000’. Mechanical design and supply of 13 inplant conveyors.
Cerro Verde
Peru
Copper Ore
Phelps Dodge
2004-05
Design and supply of 54” x 300’ horizontal conveyor and 54” x 220’ radial stacker.
Cerro Colorado
Chile
Copper Ore
Compania Minera Cerro Colorado
2004
Design and supply of 2400 tph 42” x 200’ Radial Stacker.
Phu Bia
Laos
Gold Ore
Metallurgical Design and Management (PTY) LTD
2004
Design and supply of 30” heap leach stacking system (400 tph)
Alamo Dorado
Mexico
Gold / Silver Ore
Corner Bay Silver
2002
Detailed feasibility study of developing a 13,000 tpd silver-gold heap leach property, including crushing and stacking facilities.
Bulghah
Saudi Arabia
Gold Ore
Ma'aden
2001-02
Design and supply of the entire materials handling system including 5 in-plant conveyors, 3 overland conveyors, 16 portable conveyors, feeder conveyor, horizontal conveyor and a radial stacker for an 18,000 tpd gold heap leach project.
Al Hajar
Saudi Arabia
Gold Ore
Ma’aden
2000-01
Layout, design and supply of the complete 300 tph crushing, conveying, agglomeration, and heap leach stacking systems, and associated electrical and sampling systems, at a greenfield gold mine.
San Martin
Honduras
Gold Ore
Glamis Gold
2000-01
Design, supply and installation of a complete 1,800 tph heap leach conveyor stacking system at a 12,000 tpd gold mine, comprising three semi-portable overland conveyors (total length nearly 4,000 ft), eight 125-ft portable conveyors, 98-ft feed conveyor, 140-ft track-mounted horizontal bridge, and 120/140-ft radial stacking unit.
Tintaya
Peru
Copper Ore
BHP Billiton
2000-01
Design and supply of a horizontal bridge conveyor and radial stacker for copper heap leach facilities, and of conveyors, belt feeder and related equipment at the crushing plant.
Muruntau
Uzbekistan
Gold Ore
Newmont Gold
2000
Onsite quality control and erection advice for the supply of new portable conveyors at a 3,000 tph heap leaching operation to process 220M tonnes of low-grade oxide ore from stockpiles to produce approximately 550,000 oz/yr of gold.
Cananea
Mexico
Copper Ore
Grupo Mexico
1999-00
Design, build and installation of the world's first mobile high-angle conveyor system, incorporating equipment from Continental Conveyor and Caterpillar, providing a second 2,500 tph, 30-m lift over the top of the first lift at the Quebalix I copper leach pad.
Letpadaung
Myanmar
Copper Ore
Ivanhoe Mines
1999
Complete 3,000 tph heap leach stacking study for a copper project, incorporating truck stacking for run-of -mine ore and the placement of crushed ore by an integrated conveyor and mobile stacking system.
San Andres
Honduras
Gold Ore
Greenstone Resources
1998-99
Preparation of a 3D site model to assist in the planning and design of a heavy-duty stacking system that would work well in the steeply sloping terrain at a 4.5M tpy gold heap leach project. Delivery of a complete 1,320 tph stacking system including a fixed overland conveyor, 13 portable conveyors, a 140’ horizontal bridge and a 120/140’ radial stacking unit. Design and fabrication of the equipment in cooperation with DIMISA. Onsite installation assistance.
Cerro Verde
Peru
Copper Ore
Sociedad Minero Cerro Verde
1997-99
Provision of two portable conveyors for the initial expansion of the project, and subsequent supply of two additional conveyors (totaling 2,150 tph) for the next expansion phase, at this 105M lb/yr cathode copper production facility and heap leach stacking system with multiple lifts in a valley-fill configuration.
Rio Chiquito
Costa Rica
Gold Ore
Laguna Gold
1998
Complete 250 tph stacking system, including four portable conveyors and a radial stacker, for this small gold heap leaching operation, and re-powered three additional portable conveyors onsite. Design and supply of a crushing plant that included a dump hopper and reinforced wall system, primary and secondary crushing and screening, eight in-plant conveyors, magnet, scale, silo and MCC.
Cerro San Pedro
Mexico
Gold Ore
Metallica Resources
1997
Assistance with the review and optimization of the feasibility study of the 1,200 tph crushers, overland conveyors and heap leach stacking system for a gold project. Development of new layouts for the heap leach pads, cell and lift sequence studies, establishment of equipment requirements, and sizing of equipment and belts in the crushing and stacking areas.
Florida Canyon
Nevada
Gold / Silver Ore
POV Corporation
1997
Design, procurement, fabrication and assembly services for a 120’/140’ radial stacker and 140’ horizontal bridge conveyor and associated electrical systems, for use at a 40,000 tpd gold-silver heap leach operation.
IN-PLANT CRUSHING AND CONVEYING PROJECTS
Project
Client
Year(s)
Scope of Work
Solomon
Australia (Pilbara Region)
Australia (Pilbara Region)
Fortescue Metals Group
2011-12
Design, supply and erection of seven iron ore overland belt conveyors, totaling 15.2 km in length. Scope includes five 54”, 4500 t/h conveyors and two 72”, 7400 t/h conveyors. Total installed power = 16,800 kW. Total structural steel = 8,000 tonnes.
Kisladag Gold
Turkey
Turkey
Eldorado Gold Corp.
2010
Design and supply of three new in-plant conveyors at the crushing plant.
Mineral Park
USA
USA
Mercator Minerals
2007-08
Design and supply of 3,500 tph primary jaw crushing plant, discharge conveyor, stockpile feed conveyor, two SAG mill feed conveyors and four 60” reclaim belt feeders. Scope included all mechanical, structural, electrical, instrumentation, controls and dust control systems; and design of all concrete foundations.
Pinto Valley
USA
USA
BHP Billiton
2006-07
Design and supply of concentrate stockpile conveyor and filter press belt feeder.
Dolores Gold
Mexico
Mexico
Minefinders Corp.
2006-07
Design, supply and erection of 36” heap leach stacking system (1053 mtph), and inplant crushing and conveying system, including primary, secondary, and tertiary crushing/screening, stockpile, reclaim, dust control, lime system and overland conveyors.
Wygen
USA
USA
Black Hills Generation
2006-07
Design, supply and erection of six new 30” conveyors for a coal fired power plant expansion project.
Ocampo
Mexico
Mexico
Gammon Lake Resources
2005-06
Design and supply of 36” heap leach stacking system (800 tph), overland conveyors, and coarse ore stockpile stacking and reclaim conveyors.
Kensington Gold
USA
USA
Coeur Alaska Inc.
2005-06
Design and supply of five belt conveyors, two belt feeders, primary crushing plant, secondary crushing plant, 1300 ton fine ore bin, including all structural steel, mechanical equipment (except crushers and screen), electrical and instrumentation, and dust control system.
Newmont Phoenix
USA
USA
Newmont Gold Corp.
2004-05
Design and supply of seven belt conveyors, SAG/ball mill ball handling system, and 300 tonnes of chute work and other fabricated plate work.
Kisladag Gold
Turkey
Turkey
Eldorado Gold Corp.
2005-06
Design and supply of complete 1600 tph heap leach stacking system including overland conveyors and fixed stacker. Design and supply of mechanical components for 13 in-plant belt conveyors.
Al Hajar Mine
Saudi Arabia
Saudi Arabia
Ma’aden
2000-01
Layout, design and supply of the complete 300 tph crushing, conveying, agglomeration, and heap leach stacking systems, and associated electrical and sampling systems, at a greenfield gold mine.
Tintaya Mine
Peru
Peru
BHP Billiton
2000-01
Design and supply of a horizontal bridge conveyor and radial stacker for copper heap leach facilities, and of conveyors, belt feeder and related equipment at the crushing plant.
San Andres Mine
Honduras
Honduras
Greenstone Resources
1998-99
Preparation of a 3D site model to assist in planning and design of heavy-duty stacking system that would work well in the steeply sloping terrain at a 4.5M tpy gold heap leach project. Delivery of a complete 1,320 tph stacking system including a fixed overland conveyor, 13 portable conveyors, a 140’ horizontal bridge and a 120/140’ radial stacking unit. Design and fabrication of the equipment in cooperation with DIMISA. Onsite installation assistance.
San Andres Mine
Honduras
Honduras
Greenstone Resources
1999
Retrofit of a vibrating grizzly screen in place of the fixed grizzly at a gold plant, to improve the efficiency of the secondary crushing circuit, including structural analysis, design of additional structural members, support members, chutes and hoppers, and supply of fabricated steel.
Rio Chiquito Mine
Costa Rica
Costa Rica
Laguna Gold
1998
Complete 250 tph stacking system, including four portable conveyors and a radial stacker, for this small gold heap leaching operation, and re-powered three additional portable conveyors onsite. Design and supply of a crushing plant that included a dump hopper and reinforced wall system, primary and secondary crushing and screening, eight in-plant conveyors, magnet, scale, silo and MCC.
CR Briggs Mine
USA
USA
Canyon Resources
1997-98
Provision of a variety of services at this gold-silver heap leach project, including working with the mine’s operators on a 650 tph crusher improvement program that included engineering modifications, operational controls and training, and maintenance program improvements. This program led to the mining of a record 3.4M tons of ore in 1998, a 19% improvement over 1997, and increases in gold and silver production of 20% and 15%, respectively.
Bulghah
Saudi Arabia
Saudi Arabia
Ma’aden
2001-02
Design and supply of the entire materials handling system including 5 in-plant conveyors, 3 overland conveyors, 16 portable conveyors, feeder conveyor, horizontal conveyor and a radial stacker for an 18,000 tpd gold heap leach project.
San Martin
Honduras
Honduras
Glamis Gold
2000-01
Design, supply and installation of a complete 1,800 tph heap leach conveyor stacking system at a 12,000 tpd gold mine, comprising three semi-portable overland conveyors (total length nearly 4,000 ft), eight 125-ft portable conveyors, 98-ft feed conveyor, 140-ft track-mounted horizontal bridge, and 120/140-ft radial stacking unit.
Tintaya
Peru
Peru
BHP Billiton
2000-01
Supply of a custom-designed stacking system with rail-mounted tripper, 245' horizontal bridge conveyor and 140'/160' radial stacker for copper heap leach facilities, and of conveyors, belt feeder and related equipment at the crushing plant.
Muruntau
Uzbekistan
Uzbekistan
Newmont Gold
2000
Onsite quality control and erection advice for the supply of new portable conveyors at a 3,000 tph heap leaching operation to process 220M tonnes of low-grade oxide ore from stockpiles to produce approximately 550,000 oz/yr of gold.
Cananea
Mexico
Mexico
Grupo Mexico
1999-2000
Design, build and installation of the world's first mobile high-angle conveyor system, incorporating equipment from Continental Conveyor and Caterpillar, providing a second 2,500 tph, 30-m lift over the top of the first lift at the Quebalix I copper leach pad.
Cerro Verde
Peru
Peru
Sociedad Minero Cerro Verde
1997-99
Provision of two portable conveyors for the initial expansion of the project, and subsequent supply of two additional conveyors (totaling 2,150 tph) for the next expansion phase, at this 105M lb/yr cathode copper production facility and heap leach stacking system with multiple lifts in a valley-fill configuration.
Rio Chiquito
Costa Rica
Costa Rica
Laguna Gold
1998
Complete 250 tph stacking system, including four portable conveyors and a radial stacker, for this small gold heap leaching operation, and re-powered three additional portable conveyors onsite. Design and supply of a crushing plant that included a dump hopper and reinforced wall system, primary and secondary crushing and screening, eight in-plant conveyors, magnet, scale, silo and MCC.
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