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18-LEFT VENTILATION SHAFT INSTALLATION <br />RECLAMATION COST ESTIMATE (TR09-66) - REVISED 04/07/09 <br />VENTILATION SHAFTS, SUBSTATION, AND LIGHT-USE ROAD <br />Facilities Demolition and Removal <br />Remove fencing (perimeter of intake shaft pad and substation area) - $ 672 <br />144 ft + 240 @ $1.75/ft <br />Remove skid-mounted equipment (shaft heater, ducting, nitrogen generator, <br />and compressors - tractor-trailer w/winch) - 1 day @ $700/day 700 <br />Remove or demolish buildings (hoist house and electrical control building) - <br />3,000 cf+ 4,800 cf x $0.13/cf 1,014 <br />Remove mechanical equipment (hoist derrick, hoist drive - small crane and <br />flatbed truck) - 'hday @ $1,650/day 825 <br />Demolish concrete shaft pads (2 @ 4,050 sf, shaft pads, heavy reinforcing, 28,350 <br />2' thick) - 8,100 sf @ $3.50/sf <br />Demolish upper 3 ft of pad support piers (40 piers @ 18" dia. x 3 ft) - 10,200 <br />850 cf @ $12.00/cf <br />Demolish shaft collars (3ft below grade, 9' diameter to center of collar wall, 2,400 <br />1' thick wall) - 2 x 301f x 3' @ $13.30/sf <br />Demolish transformer pads (3 - 20 x 20 x 2 ft) - 1,200 sf @ $3.50/sf 4,200 <br />Remove propane tank saddles (tractor-trailer w/winch) - '/zday 350 <br />Remove powerline (includes powerline removal) - 15 poles @ $500/ea 7,500 <br />Remove 8' diameter surface casing (culvert, tractor-trailer w/winch) 350 <br />- '/zday @ $700/day <br />Remove culvert (18" culvert) - 40 If @ $9.30/If 372 <br />Subtotal $56,933 <br />Shaft and Borehole Plueeine and Sealin <br />Bottom Plugs (shafts) FRP concrete (2 x 6' diameter x 15' thick, 8000 psi, <br />pumped) - 16 cy @ ($149.00 + 6.45 + 17.55)/cy + $147.03 $ 5,830 <br />Backfilling (shafts) - 2 x 1,335' x 28.3/27 @ $0.57/cy 1,200 <br />Top Plugs (shafts) FRP concrete (2 x 8' diameter x 10' thick, 8000 psi, <br />pumped) - 19 cy @ ($149.00 + 6.45+ 17.55)/cy + $147.03 6,870 <br />Borehole Sealing - 356 cy @ $60/cy 21,360 <br />Subtotal $35,260 <br />Backfill Shaft Cuttings Pit <br />Backfill cuttings pit - 25,040 cy @ $0.80 $20,032 <br />Surfacing Material Removal and Reeradin <br />Remove surfacing material from shaft pad - (0.5' x 300' x 500')/27 @ $1.47/cy $ 4,084 <br />Remove surfacing materials from substation pad - 0.5' x 50' x 100'/27 @ $1.47/cy 136 <br />Remove surfacing and base materials from road - (0.75' x 24' x 420') <br />+ (0.25' x 24' x 420')/27 @ $1.47/cy 550 <br />Regrade pad areas and road - 5.6 acres @ $1,200/ac 6,720 <br />Subtotal $11,490 <br />Sediment Pond Reclamation <br />Grade embankments into pond basins - 5,900 cy @$0.45/cy $ 2,655 <br />Topsoil replacement (included in total topsoil replacement numbers) 0 <br />Revegetation (included in total revegetation numbers) 0 <br />Subtotal $ 2,655 <br />TR09-66 04/07/09