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SAFEGUARDING UNDERGROUND OPENINGS <br />Task description: Mine seal for east and west protals <br />Site: SM -18 Mine Permit Action: AM -02 <br />PROJECT IDENTIFICATION <br />Task #: 02A State: Colorado <br />Date: 8 212013 County: Montrose <br />User: THM <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Permit/Job #: M1978116 <br />Abbreviation: None <br />Filename: M116 -02a <br />Opening Description <br />Dimensions <br />Closure Method <br />Quantity <br />Unit <br />Unit <br />Cost <br />Total Cost <br />East Portal <br />10'x 7' <br />Adit closure - bulkhead <br />70.00 <br />SF <br />$185.88 <br />$13,011.60 <br />seal. < 36 s . ft. (per s . ft.) <br />West Portal <br />10'x 7' <br />Adit closure - backfilling <br />1,600.00 <br />CY <br />$1.61 <br />$2,576.00 <br />(per cu. d. <br />Job Hours: 40.00 Total Cost: $15,587.60 <br />