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Revegetation @ $350.00 per acre (noting use of sterile hybrid in lieu of mulch): <br />$ 28,000.OOf (DMG estimate based upon 80 acres dryland @ $ 350.00 per acre) <br />- 12,581.46± less existing estimate (based upon 67.89 acres stated in error) <br />$ 15,418.54± increase to Total - Revegetation <br />Additional dewatering: <br />Dewater half of Area A to allow reduction of pit wall using existing dewater per unit cost of: <br />$11.70± per hour use of pump and electricity (based upon Exhibit L averages over 563 hours <br />@ 224,845±gallons per hour discharge rate. <br />Total gallons at half volume of Area A: <br />66±Acres @ elevation 4588 (see revised exhibit F showing elevation data. <br />X 10± feet of depth (estimated half depth of water level. <br />660± Acre Feet (AF) of water <br />X 325.900± gallons of water per AF <br />215,094,000± gallons of water to discharge <br />224,845± gallons of water per hour discharge rate <br />956.7± gallons per hour discharge rate <br />X 11.701 per hour <br />$11,193.39± Total additional descharge to add to Exhibit L -Total <br />Therefore: Total adjustments to Exhibit L -Grand-Total: <br />$ 90,283.52f Existing Grand Total <br />+ 4,750.00± Additional Overburden handling costs (#8, above) <br />+ 5,277.78± Additional Advancing or Perimeter Pit Walls (3200 lin. Ft. total per #9, above) <br />+ 7,447,771 Additional Cost to handle existing concrete stockpile <br />+ 15,418.54±Additional Revegetation reserves <br />+ 11,193.39f Additional discharge reserves <br />$ 134,371.001 Adjusted Graud Total <br />NOTE: The operator requests keeping the existing 5300,000.00 5nancial warranty in <br />place uufil estimates for reclamation of the berm adjacent to the Poudre River can be <br />determined per 6.4.12 Exhibit L -Reclamation Costs first paragraph, above. This <br />information will be provided at a later date as part of the approved Amendment, or as a <br />separate Technical Revision to the same. <br />6.4.12 EXHIBIT M -Other Permits and Licenses <br />Varra Companies, Inc. M1978-056 Durham Sand & Gravel Pit - 2003 Amendment -Friday 23 July <br />2004 reply to correspondence from the Colorado Division of Minerals and Geology of 9 June 2004. <br />