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• <br />• <br />POWDERHORN COAL COMPANY <br />Table 13-1 <br />Permit Area Building and Structure Inventory <br />ROADSIDE SOUTH -PORTAL & SURFACE FACILITIES Continued <br />Building or Structure Construction Description <br /> Date <br />Truck Scales (Removed) 1977 (1989) Truck scales (relocated at loadout) <br />Substation A 1975 30 x 55 fenced area with 15 x 30 concrete pad, 1 <br /> transformer and associated switch gear <br />Substation B 1977 40 x 40 fenced area with 15 x 25 concrete pad, 1 <br /> transformer and associated switch gear <br />Sediemtn Pond #9 1982 See Section 2.05.3(4 for detail <br />Discharge Point 002 1992 300' of 6" polyethylene pipe buried along I-70 and <br /> 250' of 6" polyethylene pipe layed under the <br /> highway in CDOT culverts <br />Fuel Island 1984 30' x 32' x 8" concrete pad with 8000 gallon <br /> surface tank <br />Plant Fuel Pad 1997 11' x 29' x 6" concrete pad with 4000 gallon and <br /> 500 gallon surtace tanks <br />Bag House 1996. 10' x 10' x 8" concrete pad with 5' dia. x 20' high <br /> baghouse <br />Guard Shack 1978 7' x 10' metal building on a 11' x 15' x 6" concrete <br /> pad <br />. T13-1-4 (Rev.5/19/97) <br />