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SECTION 1 <br /> CONTRACT CHANGE ORDER <br /> 2 <br /> Agri r�30, 1987 <br /> Contract For: LOUISVILLE WASTEWATER TREATMENT PLANT EXPANSION <br /> Owner: CITY OF LOUISVILLE COLORADO <br /> To: ROBERT DOU$AN CONSTRUCTION CO. INC. <br /> rac .r <br /> You are hereby requested to comply with the following changes from the contract <br /> plans and specifications: <br /> .�.� - - - — - - 'a I..' AIMMMIN <br /> Description of Changes DECREASE INCR€ASE <br /> Supplemental Plans i_SSres Attached Contract Price Contract Price <br /> 1. Delete sloped grout cap on <br /> clarifier floor. S 1,957.00 <br /> 2. Increase floor thickness of <br /> aeration/clarifier basin 1 inch. S 5,407.00 <br /> 3. Furnish and install additional <br /> rebar dowels in chlorine contact <br /> basin. 275.00 <br /> 4. Furnish and install 24 inch - 90• <br /> bend in steel versus ductile iron <br /> pipe. 750.00 <br /> 5. Delete three aeration/clarifier <br /> basin interconnect valves 750.00 <br /> 6. Sandblast and hand trowel lower <br /> level wall 1,350.00 <br /> 7. Relocate existing 6 inch scum <br /> piping 1,050.00 <br /> 8. Increase ate ion building floor <br /> (160 ft4) 5,755.00 <br /> 9. emove existing 21 inch effluent <br /> pipe - 75 ft, 750.00 <br /> 10. Delete exterior wall damproofing <br /> on aeration basin wall. 2,635.00 <br /> 11. Increase height of aeration and <br /> office/laboratory buildings. 3,176.00 <br /> 12. Increase masonry wall thickness on <br /> N. wall aeration bldg., south wall <br /> office/lab bldg. 850.00 <br /> 13. Increase sludge conveyor height. 650.00 <br /> TOTALS t "clam- <br /> NET CHANGE IN CONTRACT PRICE S S 15,271:00 <br /> �.... <br /> JUSTIFICATION: (SEE ATTACHMENT) <br /> — - — — <br />