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Colorado Division of Minerals and Geology <br />_________________________________________ <br />ESTIMATING FORM - SEALING UNDERGROUND OPENINGS <br />______________________________________________ <br />______________________________________________ <br />Task #: 1 Prep. by: NHE Task Filename M059-1 <br />__________ _________ ______ <br />Dat e:21-Ju1-99 Permit #: M-90-059 Mine: Eldorado Pilot <br />__________ _________ __________________ <br />Permit Action: General 110(1) bond revi eu <br />________________________________________________ <br />Task Description: Backfill portal <br />SOURCES FOR QUANTITY TAKE-OFFS 8 UNIT COSTS <br />Backfill costs from 1990 bids received by the Inactive <br />Mines Program of the Division of Minerals 8 Geology. <br />COST BREAKDONN <br />______________ <br />______________ <br />Item Description ~ Unit Duanti ty E/Unit ~ Subtotal <br />Backfill portal ~ cu. yd. 92.60 53.50 ~ 5324.10 <br />10'N + 10'H " 25'deep <br />TOTAL COST 5324.10 <br />