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- Four 500-gallon diesel fuel tanks on the Whirlwind Pad azea as shown on Map C-2, called the <br />fuel station, immediately west of the ore pad. These tanks will be installed within larger <br />livestock tanks (approx. 700-gallons each). Removal cost: $2,200 <br />- Magnesium Chloride Tank located neaz the portal. The tank size is 1,000 gallons and it will be <br />contained within a soil berm. Removal cost: $500 <br />- Propane tank (portable), 500 gallons. <br />- Fence azound water treatment azea and mine entrance. Removal cost: $1,500 <br />- Concrete sump (6 feet x 6 feet) which drains from the ore pad area to a pipe (the HDPE pipe <br />will remain buried in the backfill) Removal cost: $1,000 <br />- 2 powder magazines: Removal cost $1,000. <br />- Watchman's trailer: (portable) <br />Subtotal of removal costs: $14,700. <br />The following structures will be removed at the Packrat Portal area: <br />• - Retaining wall, approximately 300 feet in length, with an average height of 8 feet and a <br />maximum height of 22 feet. This wall will be made of steel supports with wood beams. <br />Removal cost: $10,000. <br />- Concrete jersey barriers of 100 feet total length, which will be hauled off site and re-used. <br />Removal cost $2,500. <br />- Up to four steel bins for the loading of ore and waste. These bins will be 22 feet high for truck <br />loading underneath, and an upper bin storage azea of 12 feet x 12 feet. Removal cost for 4 bins: <br />$10,000 <br />- Shop door, approximately 12 feet wide by 8 feet high. This door will be removed and the <br />opening blocked in prior to regrading. Removal cost: $300 <br />Subtotal of removal costs: $22,800. <br />No other structures will require removal at the Packrat portal. <br />•~ Total Removal costs of structures: $37,500. <br />Whirlwind Mine June 07 E-8 <br />