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<br />e .. <br /> Seeding, mulching 1.5 Acres l500 2250 <br /> Drainage <br /> Pipe Drains , <br /> Pipe, metal 12" 80 LF l8 1440 <br /> Flap gates, 12 " 1 Ea l50 l50 <br /> Associated General Items <br /> Closure Structure <br /> Sheet piling with <br /> hinged steel doors 1 JOB LS 30000 <br /> Floodwalls <br /> Site Work <br /> Foundation work, <br /> Excavation, common l20 CY 1.5 180 <br /> Backfill 40 CY 2.5 lOO <br />Ce Concre:te <br /> Concrete, in place <br /> Formed 140 CY 500 70000 <br /> Cement 770 CWT 4 3080 <br /> Reinforcing steel 13500 lbs 0.5 6750 <br /> Closure Structure <br /> with flashboards 1 JOB LS 10000 <br /> subtotal 340600 <br /> Contingencies 25 % 84400 <br /> Total 11 Feature 425000 <br />16 Bank Stabilization <br /> Earthwork <br /> Site Work <br /> Clearing and <br /> grubbing 0.25 Acre 1100 275 <br /> Rehab existing stone <br />e treatment 1 JOB LS 10000 <br />Riprap slope treatment <br /> :, <br />