Mill Flotation Expansion Project Selects Contractor Round Mountain Gold Corporation (RMGC) has selected Phoenix Industrial to provide construction services for civil, concrete, structural steel, mechanical, and electrical installation on the Mill Flotation Expansion Project at the Round Mountain Gold Mine. This project was designed by Morrison-Maierle. RMGC first looked at the potential for increased gold recovery in their milling facility through expansion of their flotation circuit in 2012. After a Feasibility Study was prepared, Morrison-Maierle performed a Value Engineering Study in 2018 to refine the proposed project to better match with RMGC’s expected capital expense for the expansion. Detailed engineering for the Mill Flotation ExpansionRead More →

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Round Mountain Phase W

Round Mountain Phase W Founded in 1993, Kinross Gold is a gold mining company with a diverse portfolio of mines and projects in the United States, Brazil, Chile, Ghana, Mauritania, and Russia. Headquartered in Toronto, Canada, Kinross employs approximately 9,000 people worldwide. The Round Mountain site is an open-pit mine located in Nevada, one of the best mining districts in the world. Round Mountain uses conventional open-pit mining methods, and processes ore by mill and heap leach. Kinross Gold proposed a significant mine pit expansion to the west highwall of the Round Mountain mine. This 1,200-foot pushback necessitated the relocation of the existing infrastructure includingRead More →

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kinross

Kinross Fort Knox Conveyor Bent #1 Repairs Fort Knox, Alaska Kinross Gold Corporation hired Morrison-Maierle to replace the structure of a deteriorated conveyor belt support system that transports mined ore to the mill for processing. The greatest challenge of this project was ensuring that construction activities had as minimal of an impact on mining operations as possible. To achieve this, Morrison-Maierle proposed a staged construction, requiring plan that included offsite assembly, two 10-day, 24-hour construction periods split over two construction seasons, and continuous engineer supervision to ensure that the process was streamlined. Morrison-Maierle designed a new foundation and support system for the conveyor belt thatRead More →

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Fort Knox Barren Solution Booster Pump Awards: 2016 ACEC Montana Engineering Excellence Award Morrison-Maierle designed the Fort Knox Barren Solution Booster Pump Station to pump outflows from two of Kinross Gold Corporation’s Carbon-in-Column (CIC) plants at the site. The station is also designed to boost the combined flow to an increased elevation at the Walter Creek Heap Leach facility. In June and July of 2014, 15 inches of rain steadily fell at the Fort Knox Mine. As a result, the construction season was cut short and had the most impact on the preparation of the subgrade surface and weld geomembrane liner used to expand the heapRead More →

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Mineral Hill Microhydro Power Generation Study Award: 2016 ACEC Montana Engineering Excellence Award – Studies, Research and Consulting Engineering Services Located just north of Yellowstone National Park, Kinross Gold Corporation’s Mineral Hill Mine near Jardine, Montana, produced gold, silver, and arsenic until in 1996 and reclamation began in 2000. The mine was comprised of a network of underground shafts tunneled into the rocky base of the nearby Mt. Palmer. As it was no longer producing metal commodities, Kinross was interested in developing a hydroelectric generating facility to offset the electrical demands of reclamation processes. They hired Morrison-Maierle to study the hydroelectric generating potential of tunnelRead More →

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[royalslider id=”56″] Mineral Hill Mine Reclamation Project The Mineral Hill Mine sits just six miles away from one of the most pristine locations on Earth—Yellowstone National Park. Scientists, researchers, and conservationists spend countless hours each year protecting the world’s first national park, which is known for its wildlife, geothermal features, and wild backcountry. That’s one reason Kinross Gold Corporation turned to Morrison-Maierle to develop a solution to remediate its Mineral Hill Mine. Mineral Hill was an underground gold mine that operated from 1988 through 1996. It underwent reclamation in 2000 and was completed in 2002. The tailings from the gold extraction process were stacked upRead More →

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[royalslider id=”38″] Fort Knox Mine Carbon-in-Column Plant #2 Awards: 2015 Engineering Excellence Award from the American Council of Engineering Companies of Montana (ACEC MT), Industrial and Manufacturing Processes and Facilities Category The Fort Knox Mine near Fairbanks, Alaska, was in need of a second plant to extract gold from solution in heap. Morrison-Maierle, Inc. provided engineering design, procurement assistance, and construction administration services to support the project. The design included work on the 3,800-foot pipeline corridor to move solution from the heap to the plant and back to the heap. The process plant is designed to operate at an 8,000-gallons-per-minute flow through a grit screen,Read More →

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[royalslider id=”34″] Kettle River Mill Phase V-A Tailings Dam Raise The Phase V-A Tailings Dam Raise project is part one of a three-part raise for the tailings storage facility at the Kettle River Mill Site. The dam raise was unique in that the project site was unfavorable for typical out-board earth fill construction methods, and was therefore designed with an in-board, cantilevered raise that placed imported fill upon stabilized tailings materials. Morrison-Maierle, Inc. performed a constructability review. Following this review contract documents were prepared, a competitive tendering process was executed, and a contractor was selected for the project. Morrison-Maierle performed contract administration and construction observationRead More →

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