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• <br />NW MAINS VENTILATION SHAFT AND THICKENER UNDERFLOW <br />PROJECT- RECLAMATION COST ESTIMATE (TR 01-39) <br />Ventilation Shaft and Access Road <br />Facilities Demolition and Removal <br />Remove fencing-200 ft x $1.77/ft $ 355 <br />Remove fan enclosure and control building- 7,000 cf x $0.13/cf 910 <br />Remove fans, drives, and control equipment- 7,00 sf x $3.28/sf 2,300 <br />Demolish concrete pads - 3,100 sf x $2.30/sf 7,130 <br />Demolish shaft collar (30' below grade) - 30 If x $10.33/If 310 <br />Remove powerline - 3,400 If x $2.03/If 6,900 <br />Remove culverts - 50 If x $45/If (60" culvert) + 75 If x $8.78/If (12" culvert) 5,160 <br />Remove road geotextile - 1,800' x 22'/9 x $0.60/sy 2,640 <br />Subtotal $25,705 <br />Shaft Pluppins and Sealing <br />Construct steel platform - 121 If x $18.88/If $ 2,284 <br />Mesh overlay - 294 sf x $4.29/sf 1,261 <br />Work platform and labor - 32 hrs x $300/hr 9,600 <br />FRP concrete (2.3' thick, 8000 psi, pumped) - 52 cy x $(83.00 +12.44 + 5.85)/cy 5,267 <br />Backfilling - 20' x 314 sf /27 x $3.50/cy 815 <br />Subtotal $19,227 <br />C~ <br />• <br />Surfacing Material Removal and Reerading <br />Remove surfacing material from shaft pad - (3" x 280' x 280')/27 x $2.50/cy $ 1,815 <br />Remove surfacing and base materials from road - (1 I" x 22 x 2,000) + (23" x 22 x 1,800) <br />/27 x $2.50/cy 10,760 <br />Regrade pad area and road - (280' x 280') + (22' x 3,800')/43,560 x $1,200/ac 4,460 <br />Subtotal $17,035 <br />Topsoil Replacement and ReveRetation <br />Topsoil replacement - 2,300 cy x $0.80/cy <br />Revegetation - 4.4 ac x $285.64/ac <br />Subtotal <br />Subtotal -Direct Costs <br />Indirect and Administrative Costs (8%) <br />Note: Reclamation Costs for Pump Removal Covered Under Existing Bond <br />Project Total Cost <br />TR O1-39 <br />92 <br />$ 1,840 <br />1.257 <br />$ 4.810 <br />$66,777 <br />5,342 <br />$72, 119 <br />9i 17/01 <br />