AMAX Coal West, Inc. Eagle Butte Mine · Gillette, Wyoming

Complete postmining topography development and backfilling and grading schedule to meet approximate original topography required for permit revision.

AMAX Coal West, Inc. Eagle Butte Mine · Gillette, Wyoming

Complete variance application for modification of safety standard allowing use of recycled oil in preparation of ANFO.

Carbones del Caribe Colombia, South America

Evaluate surface coal mining operation, including review of mine plans, layout of haulage roads, equipment productivity analyses, and coal handling methods.

Colowyo Coal Company Colowyo Mine · Meeker, Colorado

Development of long-range mine plans and dragline sequence alternatives for multiple seam surface coal mine. Assisted with preparation of mining and reclamation permit applications.

Cordero Mining Company Cordero Mine · Gillette, Wyoming

Review and development of modifications to large dragline pit design parameters; estimating dragline productivity; and evaluating alternatives for blast casting at thick seam surface mine.

David Evans & Associates Manti-La Sal Forest Service · Price, Utah Area

Surface affects support for EIS proposal underground coal mine.

Diamond Alaska Coal Co. Diamond Chuitna Mine · Anchorage, Alaska

Development of mine plans and topsoil removal plans for proposed surface coal mine. Provided designs and operations descriptions for mining, air quality, and surface water control permits. Testified on technical components of the project permits before Alaska hearing's officer.

DRven Corporation, Inc. Chuitna Project · Anchorage, Alaska

Complete permit application for access and coal haul road including bonding, design, cut and fill mass balance, backfilling and grading, and topsoil handling.

Drven Corporation, Inc. Chuitna Project · Anchorage, Alaska

Complete capital, labor, and operating supplies cost estimate for proposed multiple coal seam dragline mine including facilities, infrastructure and mine operation. Evaluate increments of production for the project.

FMC Corporation Skull Point Mine · Kemmerer, Wyoming

Revised existing mining and reclamation plan regarding topsoil mass balance, backfilling and grading; alternative postmining topography; and bonding requirements for multiple dipping seam surface mine utilizing truck and shovel methods.

FMC Corporation Skull Point Mine · Kemmerer, Wyoming

Prepare permit renewal document for next term including project management of environmental resource sub-contractors, development of postmining topography, backfilling, grading and topsoil mass balance. The project was prepared for electronic and hard copy filing with the permitting agency.

Kennecott Energy, Antelope Coal Company Antelope Mine · Douglas, Wyoming

Prepare postmining topography for two seam dragline operations. Evaluate mass balance and prepare configuration to minimize borrow and maintain suitable surface water control.

Kennecott Energy, Antelope Coal Company Antelope Mine · Douglas, Wyoming

Assist with preparation of alternative life-of-mine plans for dragline operations; refine and select most favorable layout for detailed economic analysis.

Kerr Coal Company Kerr Mine · Walden, Colorado

Complete detailed mine plan for steeply dipping seam coal mine. Determined volume and material balance requirements. Developed production schedules and reclamation bond estimates.

MIBRAG mbH Theissen, Germany

Organize and conduct mining technology overviews and tours for mine management and technical personnel. Tours included thick seam, steeply dipping, and contour coal mine sites; power plant ash disposal sites; coal drying, and coal quality control facilities.

MIBRAG mbH Theissen, Germany

Complete cost estimates and plans for mobile equipment application in concert with traditional bucket wheel excavator and conveyor belt technology in open pit brown coal mines.

MIBRAG mbH Theissen, Germany

Participate in coal drying research program evaluating available technology for drying and benefication. Coordinated testing of representative samples for drying and benefication. Planned program for feasibility of identified system and coordinated with management.

MIBRAG mbH Theissen, Germany

Research mobile feeder breaker products for preparing overburden removal by large stripping shovel and transport by belt conveyor.

MIBRAG mbH Theissen, Germany

Prepare incremental economic analysis of mobile equipment in a haul back configuration at this open pit, brown coal mining company. This analysis optimized existing chain excavator and bucket wheel excavator technology coal recovery while reducing cost for infrastructure removal and final pit slope reclamation.

MIBRAG mbH Theissen, Germany

Complete conceptual and preliminary design of in-pit truck hopper to incorporate selective coal mining by mobile equipment with existing conveyor haulage systems.

MIBRAG mbH Theissen, Germany

Provide mobile equipment operator training, involving hydraulic shovels, front end loaders, trucks, motor graders, water trucks, and compactors. Tasks included training front line supervisors and operators in safe and productive techniques at open pit brown coal mines.

MIBRAG mbH Theissen, Germany

Plan and supervise construction of in-pit access road systems suitable for all-weather access necessary for safe and efficient operations.

MIBRAG mbH Theissen, Germany

Prepare plans for testing Voest Alpine SM in brown coal extraction with conveyor belts and truck haulage equipment.

MIBRAG mbH Theissen, Germany

Provide management consulting services in improving productivity and reducing capital and operating costs at open pit brown coal mine in Germany.

MIBRAG mbH Theissen, Germany

Complete computerization of base maps by scanning and development of layer and feature codes suitable for Microstation software.

MIBRAG mbH Theissen, Germany

Evaluate mobile equipment operations including hydraulic shovel, front end loader, trucks and EasiMiner equipment and provide engineering and planning as well as operation guidance to this brown coal mining company.

MIBRAG mbH Theissen, Germany

Assist with research on road construction techniques for mobile equipment of various road cross sections depending on foundation conditions as well as material type. Additives considered for use include hydrated lime, fly ash, and flue desulfurization sludge materials.

Mission Engineering, Inc. Billings, Montana

Develop feasibility level mine plan and economics for Powder River Basin surface coal mine utilizing dragline methods.

Mission Engineering, Inc. Billings, Montana

Prepare Mine Plan and reserves for proposed truck shovel operation.

Navasota Mining Company, Inc. Gibbons Creek Mine · Carlos, Texas

Develop transition mine plans from single seam to two seam stripping configuration. Review mine operations, including dragline and mobile equipment productivity. Developed alternatives for productivity gains.

Thunder Basin Coal Company Black Thunder Mine · Wright, Wyoming

Evaluate dragline pit dimensions for optimization, including stripping sequence alternatives, effects of blast casting, and dozer support.

Thunder Basin Coal Company Black Thunder Mine · Wright, Wyoming

Develop alternatives for removal of interburden and parting material within normal dragline sequence.

Western Energy Company Colstrip, Montana

Research and development of options for utilizing agglomeration technologies in management of fines produced from coal drying process.

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