2011-11-29_INSPECTION - C1981035

Home Browse Search

November 18, 2011 C- 1981 - 035 /King Coal Mine MLT EXCESS SPOIL and DEVELOPMENT WASTE — Rule 4.09 Placement; Drainage Control; Surface Stabilization: • Access to the top of the Refuse Pile at King I was not attempted, due to a portion of the road (near the site of the former Shop building), which was snowy and muddy. • The outer slope of the Refuse Pile appeared to be stable and well vegetated. Clearwater diversion ditches on the north and south of the pile were clear and unobstructed. FISH and WILDLIFE — Rule 4.18: • Numerous sets of fresh deer prints crossed the surface of the topsoil stockpile at King II. HYDROLOGIC BALANCE - Rule 4.05 Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5, 4.05.6; Discharge Structures 4.05.7, 4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; Drainage — Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: • The East and West Sediment Ponds at King I each held small pools of water that were partially frozen. • Rods were installed on the pond floors to monitor sediment accumulation and water level. • The King 11 Sediment Pond was empty, although the pond bottom appeared to be damp. The spillway structure was inspected and found to be in good condition (Photo 3), as was the outer slope of the pond embankment (Photo 4). • Clear water diversion ditches at King II were stabilized with either riprap (western ditch) or vegetative cover (eastern ditch) as detailed on permit map number 007A. SUPPORT FACILITIES - Rule 4.04: Petroleum products at King 11 are stored in the Oil Storage Shed, beneath a roof. Secondary containment is provided for the large tanks, barrels, and miscellaneous equipment. • The portal at King II is now identified with a new sign (Photo 5). • Water for King 11 is currently being hauled to the site by tanker truck (Photo 6) from Durango. The truck offloads at the pump house, from which the water is pumped to the storage tank at the upper end of the facilities. TOPSOIL — Rule 4.06 Removal 4.06.2; Substitute Materials 4.06.4(4); Storage and Protection 4.06.3; Redistribution 4.06.4: The topsoil stockpile at King II was inspected, and found to be in compliance with the performance standards of Rule 4.06.3 for storage of topsoil. The stockpile is constructed on a stable surface, is not being disturbed by mining operations, and is protected from wind and water erosion. The surface has an effective cover of non - noxious, quick - growing annual and perennial plants, and a ditch is constructed around the perimeter to keep the materials from loss or contamination. (Photo 7) Number of Partial Inspection this Fiscal Year: 4 Number of Complete Inspections this Fiscal Year: 1 Page 3 of 8