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Colorado Division of Minerals and Geology <br />ESTIMATING FORM - SEALING UNDERGROUND OPENINGS <br />Task #: 2 Prep. by: VHE Task Filename M284-2 <br />Date:19-Mar-99 Permit R: M-77-284 Mine: Mineral Joe <br />__________ _________ __________________ <br />Permit Action: General 110(2) bond revi eN <br />Task Description: Close mine openings <br />SOURCES FOR QUANTITY TAKE-OFFS 8 UNIT COSTS <br />Costs from Inactive Mines Program, contractor bids received <br />Assume portal and incline at 12'N • 10'H <br />Assume venthole at 7'diameter <br />COST BREAKDONN <br />______________ <br />______________ <br />Item Description ~ Unit Quantity 3/Unit ~ Subtotal <br />---------------------------I__-_____-___---------_--_-----I__-__________ <br />Backfill portal ~ cu. yd. <br />Backfill incline (vent) ~ cu. yd. <br />Venthole closure <br />A-1 Prefab concrete pannel ~ pannel <br />Support beam, steel ln.ft. <br />171.00 83.50 ~ 8388.50 <br />111.00 83.50 ~ 5388.50 <br />2.00 8663.00 ~ 31,326.00 <br />12.00 350.00 ~ 3600.00 <br />________________________________________________________________ ___ <br />TOTAL COST 32.703.00 <br />