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• 2.05.3 <br />approximately 30 feet by 80 feet with a 20-foot eave height. The stockpile <br />level buildings are approximately 30 feet by 110 feet and 27 feet by 55 feet <br />with 15 foot eave heights. <br />Sewage Treatment Plant <br />A package sewage treatment plant located near the D-Seam portal level. <br />The building is approximately 20 foot by 30 foot with a 10 foot eave height. <br />Water Tanks <br />A water tank located on the utility level which is above the portal level. The <br />fabricated steel tank is constructed on an oiled sand base. The tank is <br />approximately 52-feet in diameterand 32-feet high which provides acapacity <br />of approximately 500,000 gallons. <br />A 50,000 water tank for the B-Seam Portal is located above the portal, west <br />of the downhill conveyor transfer building. <br />• A water tank is located above and west of the preparation plant. This tank <br />will have a capacity of about 140,000 gallons (32-foot diameter). <br />Water Treatment Building <br />This pre-engineered metal building is located east of the water tank. It is <br />approximately 14 feet by 20 feet with a 12 foot eave height. <br />Mine Vent Fan <br />A mine ventilation fan and steel duct work located at the return entry on the <br />D-Seam portal level. The ventilation fan is approximately 8-feet in diameter. <br />A similar fan is installed on the B-Seam portal bench. Anew fan and fan <br />shaft was constructed at the utility bench during the last quarter of 1998 and <br />early 1999. The fan is 10-feet in diameter. A standby ventilation fan was <br />constructed at the utility bench during 2003. This fan is a mirror image of the <br />existing 10-foot diameter fan. See Maps 15-2 and 33. A vent shaft was <br />developed in Freeman Gulch in 2000. The 400 foot deep exhaust shaft was <br />lined with a 6-foot diameter steel liner plate. <br />TR-34 <br />z.os - t z - osioa <br />A PPRovF~l <br />6~z~~dy <br />