Mining

Cloudbreak

Western Australia

Kiewit completed the engineer, procure, and construct contract for a wet front end for an existing ore processing facility at the Cloudbreak iron ore mine. The improvements allow the mine to process wetter ore with more fines than the facility could previously handle.

Buckskin Mining Company

Gillette, Wyo.

Buckskin Mining Company is located 10 miles north of Gillette, Wyoming within the Southern Powder River Basin. The mine has a current capacity of 25 million tons per year and delivers its coal to numerous customers throughout the United States.

Dry Valley/No. Rasmussen Ridge Mines

Soda Springs, Ida.

The Agrium Phosphate Mine is located near Soda Springs, Idaho. Kiewit is providing contract mining services to provide 2 to 2.3 million tons of phosphate ore per year. The final ore is loaded into railcars for final delivery to the Conda Phosphate Plant.

Walnut Creek Mine

Bremond, Texas

In November 2014, Kiewit Mining Group entered a 10-year contract to provide contract mining services for the Walnut Creek Mine. The operation includes an 80-cubic-yard dragline, a 20-cubic-yard mass excavator, an 18-cubic-yard hydraulic backhoe and a fleet of 150-ton end-dump trucks to move more than 20 million cubic yards of material annually. The captive lignite operation can produce more than 2 million tons of lignite per year and incorporates a blending program that provides consistent quality lignite to fuel two 150-megawatt circulating-fluidized-bed power plants.

San Miguel Lignite Mine

Christine, Texas

On January 1, 2011, Kiewit was awarded a contract to provide management services to mine and deliver lignite from the San Miguel Mine. Approximately 3.3 million tons of lignite coal is delivered to the adjacent 400-MW San Miguel Electric Cooperative, Inc. power plant, which is the owner of the mine. San Miguel Electric Cooperative, Inc. furnishes power and energy to Brazos Electric Cooperative, Inc. and the South Texas Electric Cooperative, Inc.

Raglan Mines

Deception Bay, Qué.

The Raglan mine is in one of the world`s most important nickel sulphide deposits. It is located in Nunavik, at the northern part of Québec, in the vast peninsula of Ungava Bay, approximately 1800 km north of Montreal.

Long Harbour Nickel Processing Plant

Long Harbour, N.F.

Located on the Island of Newfoundland, Vale's Long Harbour Processing Plant is one of the largest in the world to use a new hydrometallurgical process that will refine 50,000 tonnes per year of nickel ore in a more economical and environmentally friendly manner.

Diavik Diamond Mine

Yellowknife, N.W.T.

A Kiewit-led joint venture completed three contracts from January 2000 to March 2003 to construct portions of this diamond mine south of the Arctic Circle. A major feature of the project was the 3.9-kilometre water retention dike that encircles the diamond deposits — the first dike of its kind constructed in Canada.

Voisey's Bay Nickel Mine

Voisey's Bay, N.F.

With winter temperatures below -20°C, crews faced special challenges on the Voisey's Bay Nickel Mine design-build project. Mobilization of personnel, materials and equipment resources was critical to meeting schedule objectives. Operations were concentrated in four major areas-the mine area, mill site, port site, and permanent airstrip and docking facilities.

Suncor Ore Preparation Plant

Fort McMurray, Alta.

This $9.7 million project involved working on the mechanical portion of Suncor's Steepbank Ore Preparation Plant. The seven-month project involved installing breaker drums, pumps, motors, drives and support equipment for the crushing, screening and initial hydroextraction of oil from tar sands ore.