ANACONDA COAL MINE RECLAMATION PROJECT BELT, MONTANA

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ANACONDA COAL MINE RECLAMATION PROJECTBELT,
MONTANA

• Montana Department of Environmental Quality/Mine
  Waste Cleanup Bureau
• December 30, 2009

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PROJECT OVERVIEW
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PROJECT OVERVIEW

• Montana Department of Environmental Quality/Mine
  Waste Cleanup Bureau (DEQ) is proposing to remove
  263,500 cubic yards (cy) of coal waste materials
  located primarily on land between 5th street and
  Belt Creek.
• Coal waste materials will be placed in an
  constructed repository located the bench
  approximately 0.5 air miles to the southwest of
  the project.

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PROJECT OVERVIEW

• Excavated areas will backfilled with 1-foot of
  amended cover soil and fertilized and seeded.
• Repository will be capped with a geosynthetic
  liner and 3-feet of soil and fertilized and
  seeded.
• Cover soils will be obtained from the repository
  excavation and imported from an off-site
  location.
• Repository will encompass 8 acres.

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PROJECT OVERVIEW

• Project is expected to be completed in 7-months
  (210 calendar days).
• Contractor work hours will be from 700 a.m. to
  500 p.m. Monday through Friday.

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COAL WASTE LOCATIONS
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COAL WASTE SOURCES

• MDT property - approximately 189,000 cy
  encompassing 8 acres
• Private property - 61,600 cy encompassing 6 acres
• Wetlands 8,500 cy encompassing 1.6 acres
• French Coulee Drainage Channel approximately
  3,300 cy encompassing 1.1 acres

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HAUL ROUTES CONSIDERED

• Haul road crossing Burlington Northern Santa Fe
  (BNSF) rail line.
• Use off-highway haul trucks, along 5th, Castner
  and part of Anaconda construct new haul road by
  City water tanks.
• Use on-highway haul trucks (semis) along 5th,
  Castner, Anaconda and Highway 200.

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HAUL ROUTE
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HAULING

• The hauling of the waste materials and cover
  soils will be completed using conventional
  highway semi trucks and trailers.
• Between 5 and 10 trucks will likely be used.
• Round trip from waste area (beginning at 5th
  Street) will take between 30 to 45 minutes.

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TRAFFIC CONTROL

• Contractor will be required to have flag persons
  present during hauling operations.
• Contractor will be required to obey all posted
  speed limits.

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TRAFFIC CONTOL
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TRAFFIC CONTROL
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HAULING (CONT.)

• Each truck will complete 12 trips per day. (based
  on a 40 minute round trip).
• Traffic delays at Castner Street (BNSF underpass)
  is expected to be less than 3 minutes.
• Road dust will be controlled using magnesium
  chloride (MgCl2).

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ROAD IMPROVEMENTS

• To improve sight distance on Anaconda Street near
  the Northwestern Utility Substation the road
  would be lowered 5-feet over a 570 foot section
  of road.
• Replacement of 2 existing culverts.

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PLAN VIEW ANACONDA STREET IMPROVEMENTS
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PROFILE VIEW OF ANACONDA STREET IMPROVEMENTS
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ROAD IMPROVEMENTS (cont.)

• Replacement of the existing asphalt on Anaconda
  Street (approximately 1,300 feet).
• Replacement of existing asphalt on 5th Street
  (approximately 500 feet).
• Asphalt would be replaced at the conclusion of
  the hauling operations.

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ROAD IMPROVEMENTS (cont.)

• To improve safety along the haul route roadside
  vegetation would be trimmed back at the following
  locations
• Intersection of Castner and Anaconda Street
  (southwest corner).
• Intersection of Castner and 5th Street (northwest
  corner in front of STOP sign).
• Eastbound entrance to BNSF underpass (southwest
  corner).
• Roadsides along Anaconda Street.

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QUESTIONS