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, <br /> B L A C K & V E A T C H <br /> Decatur, Illnois <br /> Lake Decatur Dam Improvements <br /> Hydraulic Piping Replacement <br /> Probable Construction Cost <br /> September 23, 1993 <br /> Page 3 <br /> Step Item Description Quantity Unit Unit Cost Total C <br /> ---- ---------------- -------- ---- --------- ------- <br /> $ <br /> STAGE II: (Cont'd) <br /> Saw cut pipe trench Lump Sum 14,600 <br /> Remove concrete encasement, <br /> pipe & reinforcement Lump Sum 20,000 <br /> Place non-shrink grout & <br /> pipe supports Lump Sum 1,500 <br /> 4. Replace supply & return lines <br /> B1, B2, B3 & B4 (S. of <br /> center wall) 1 1/4" SS Pipe <br /> (Owner furnished) 800 lin ft 10.00 8,000 <br /> SS Ball valves <br /> 3/4" 4 eaCh 70.00 280 <br /> 1/2" 4 each 40.00 160 <br /> 5. Refill B1 & B2 with oil & test Lump Sum 2,500 <br /> 6. Fill trench w/concrete 7.5 cu yd 1,500.00 11,250 <br /> Reinforcing (furnish & install) Lump Sum 11,000 <br /> 7. Remove supports & test Gate II Lump Sum 2,000 <br /> Total - Stage II $101,490 <br /> STAGE III: GATE I OUT-OF-SERVICE, GATE II IN <br /> SERVICE ON CYLINDERS 1B AND 3B <br /> Mobilization/demobilization Lump Sum 13,400 <br /> 1. Lock Gate I in place w/ <br /> supports Lump Sum 5,000 <br /> Move & reset working platform Lump Sum 10,000 <br /> 2. Shut off hydraulic fluids to <br /> supply and return lines <br /> B3 & B4 (Included w/Stage II) <br /> 3. Drain lines (2) of oil Lump Sum 1,500 <br /> Saw cut pipe trench Lump Sum 8,200 <br />' Remove concrete encasement Lump Sum 5,000 <br /> Place non-shrink grout & <br /> pipe supports Lump Sum 1,500 <br /> 4. Replace supply & return lines <br /> B3 & B4 (N. of center <br />' wall) , 1 1/4" SS Pipe <br /> Install Owner furnished 90 lin ft 10.00 900 <br />, Purchase & install 460 lin ft 25.00 11,500 <br /> 5. Test all pipe, valves, & <br /> connections Lump Sum 3,000 <br /> 6. Fill trench w/concrete 14 cu yd 1,500.00 21,000 <br /> Reinforcing Lump Sum 14,500 <br />