2010-08-05_REVISION - M1981185 - Laserfiche WebLink

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Restoration Task Proposed Activity Justification Restore drainage configuration as outlined in restoration plan Minimize disturbance to the -Chief Portal/Deadwood Gulch previously submitted in existing hydrologic balance and response to Reason to Believe to prevent off site erosion and Letter sedimentation impacts Stabilize bench, grade and seed- install culvert as outlined in Minimize disturbance to the -May Day Portal No. 2/Deadwood Gulch restoration plan submitted in existing hydrologic balance and response to Reason to Believe to prevent off site erosion and Letter sedimentation impacts Grade road surface pursuant to Road Construction Work Plan previously submitted as part of Idaho Mine Adequacy Response, to allow drainage to be collected on the inside cut, install silt fences, clear culver Minimize disturbance to the -Grade New access road inlet of brush and debris, install existing hydrologic balance and trash rack, install debris basin to prevent off site erosion and at culvert outlet, prepared sedimentation impacts that may affected area for seeding, occur to the down gradient remove material from the wetlands, improve road driveway entrance per County drainage, remove large rocks request, conduct geotechnical from road surface, where investigation of cut and fill, test possible stabilize and correct cable integrity and stability cribbing To mitigate property damage risk shown in Mr. Erickson's recent photographs, remove -Muck out May Day No. 1 collapsed material in May Day No. 1 adit/portal and from the crushing and conveying Protect Wildcat Mining equipment Corporation capital equipment Interim measures to prevent -Remove stored ore from May Day No. 1 movement of fine grained and move off site for processing material from the pile during Material has been stored for 6 the permitting preparation and months review process Prepare roof-stabilize with -Stabilize portals per MSHA timbers or suitable material to requirements including May Day No. 1 strengthen entry-as necessary and 2 and Chief use shotcreke to stabilize and Protect Wildcat Mining strengthen entry Corporation capital equipment Stabilize affected area to -Seed areas-approved by the DRMS prevent offsite erosion and Minimize disturbance to the sedimentation existing hydrologic balance -Install interim erosion and sedimentation control structures per Prepare affected for seeding as Minimize disturbance to the DRMS approved plan approved by DRMS existing hydrologic balance Restoration Page 1