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i " <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 2 <br /> Step Item Description Quantity Unit Unit Cost Total C <br /> ---- ---------------- -------- ---- --------- ------- <br /> $ <br /> STAGE I: GATE I OUT-OF-SERVICE, GATE II IN <br /> SERVICE ON CYLINDERS 2B AND 4B <br /> Mobilization/demobilization Lump Sum 23,000 <br /> 1. Lock Gate I in place w/ <br /> supports Lump Sum 5,000 <br /> Build working platform Lump Sum 50,000 <br /> 2. Shut off hydraulic fluids to <br /> supply and return lines A1, <br /> A2, A3, A4, B1, & B2 Lump Sum 500 <br /> 3. Drain lines (6) of oil Lump Sum 3,000 <br /> Saw cut pipe trench Lump Sum 16,400 <br /> Remove concrete encasement, <br /> pipe & reinforcement Lump Sum 30,000 <br /> Place non-shrink grout & <br /> pipe supports Lump Sum 3,000 <br /> 4. Replace supply & return lines <br /> A1, A2, A3. A4, & part of <br /> B1 & B2 (N, of center wall) , <br /> 1 1/4" SS Pipe (Owner furn. ) 1,500 lin ft 10.00 15,000 <br /> SS Ball valves <br /> 3/4" 4 each 70.00 280 <br /> 1/2" 4 each 40.00 160 <br /> Electrical conduit (2) , 1" PVC <br /> Install Owner furnished 340 lin ft 3.00 1,020 <br /> Purchase & install 290 lin ft 4.00 1,160 <br /> Position indicators & wiring Lump Sum 8,200 <br /> 5. Refill A1, A2, A3, & A4 with <br /> oil & test Lump Sum 2,500 <br /> 6. Temporary plate to cover work �, <br /> during 2nd stage Ltunp Sum 15,000 � <br /> 7. Remove supports & test Gate I Lump Sum 2,000 <br /> Total - Stage I $176,220 <br /> STAGE II: GATE I IN SERVICE, GATE II OUT-OF-SERVICE <br /> Mobilization/demobilization Lump Sum 13,200 <br /> 1. Lock Gate II in place wJ <br /> supports Lump Sutn 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 Lump Sum 500 <br /> 3. Drain lines (2) of oil Lump Sum 1,500 <br />