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INSTALLATION OF FAN SILENCER AT NW MAINS VENT SITE (MR 03-187) <br />Concrete Grade Beams and Piers <br />Beams (2) <br />12" x 2' x 31' =est. 4.6 cy concrete x $52.78/cy $ 243 <br />est. 372' # 5 rebar = 3901bs <br />< 90 # 4 stirrups, est, 360 ft = 250 lbs <br />Embedded plates with anchors 20 sq ft. %," plate = 408 Ibs <br />Piers (8) <br />Radius - 6", height (3 ft removal only) = 0.705 cy concrete x $52.78/cy <br />Est. 480" # 5 rebar = 500 Ibs $ 37 <br />Subtotal $ 280 <br />Silencer <br />Silencer <br />31' x 21' x 20' = 13020 cf x $0.13/cf $1693 <br />Subtotal $1693 <br />Subtotal -Direct Costs $1973 <br />Indirect and Administrative Costs (15%1 $ 296 <br />Project Total Cost $2269 <br />PR 03-06 106 03/17/04 <br />