INSPEC30522 - Laserfiche WebLink

Home Browse Search

:, _ • w III. COMMENTS -COMPLIANCE Below are comments on the inspection. The comments include discussion of observations made during the inspection. Comments also describe any enforcement actions taken during the inspection and the facts or evidence supporting the enforcement action. This partial inspection of the King Coal Mine was conducted by Wally Erickson from the DMG Durango office, 484 Turner Drive, Building F, Suite 101, Durango, CO 81301, phone 1970) 247-5469. Operations were active during the time of the inspection. Tom Bird was not available. Signs & Markers -Mine identification sign and safety signs were posted at the mine entrance. Public access is controlled by gate and fence, gate was open. Mine entrance road, haul road and access roads were well maintained. Hydrologic Balance -Large sediment pond was holding water, water depth was up to 3' .mark on depth indicator rod. Vertical riser for primary spillway was intact. Primary spillway was clear of sediment and debris, no discharge noted. Secondary spillway was open channel, rock lined and well vegetated. Secondary spillway appeared stable. Pond embankment appeared stable. Small sediment pond was holding water, water depth was visually estimated at 2'. Primary and secondary spillways were clear of sediment and debris and appeared stable, no discharge noted. Pond embankment appeared stable. All affected area drainage appeared to report to one of the two sediment ponds for treatment. Drainage containment Swale in mine entrance road was intact. Refuse Disposal Area -Top of the RDA had been recently graded. Recent grading had occurred to direct drainage to the containment/diversion ditch, however, several low spots exist within the ditch along the back side of the RDA. Maintenance of the containment/diversion ditch, located along the backside of the RDA, is needed to ensure sufficient ditch capacity and function.