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SSS::< feff6s <br />and Associates, Inc. <br />Water Resource, Environmental, and Mining Engineering <br />May 6, 2015 <br />Mr. Chris Hanks, Chief Environmental Coordinator <br />Cripple Creek & Victor Gold Mining Co. <br />P.O. Box 191 <br />100 N. Third Street <br />Victor CO 80860 <br />Re: Warranty Calculations for Removal of Domestic and Fire -water <br />Storage Tank <br />Dear Chris — <br />I have calculated the probable cost for demolition and removal of the new domestic and fire- <br />water storage tank that will be constructed at the Squaw Gulch ADR Plant. The calculations are <br />based on Foster Wheeler Drawings 30-800-12 and -13 that illustrate the construction of the tank and <br />the site grading. <br />The costs for removal are as follows, including the DRMS Administrative Fees. <br />Item Size Quantity Cost/Unit Total Cost Source <br />Steel Means 2015 <br />Storage 46'Dia x 30'H 49,860 cf 0.18/cult 8,975 02-41-16.13 <br />Tank <br />Regrade Site 0.4 Acres 1300 cy 5.14/cy 6,690 Means 2015 <br />Abandon 10 ft dia x 6'D Ea 274 274 <br />Means 02 - <br />Manhole <br />L <br />41-13.23 <br />77 <br />DRMS Administrative Fee r 22.55% 3,594 <br />Grand Total Demolition Cost 19,533 <br />Please contact me at the Email Address shown on the letterhead if you have questions about the <br />costs or require additional details. Thank you. <br />Sincerely, <br />Steven D. Steffens, P.E. <br />Steffens and Associates, Inc. <br />PO Box 17778 Golden CO 80402 <br />303.378.8181 - E-mail: steffensinc@msn.com