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AMENDMENT NO. TWO TO CONTRACT K-1415-120; BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND C.H. GUERNSEY & COMPANY INCREASING THE CONTRACT AMOUNT BY $26,500 FOR A REVISED CONTRACT AMOUNT OF $153,100 FOR THE GRAY STREET WATERLINE REPLACEMENT PROJECT.
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BACKGROUND: The Gray Street Waterline (WL) Replacement Project, pursuant to the current scope, replaces deteriorated 12-inch and 6-inch cast iron water line along Main Street, Flood Avenue, Gray Street, Tonhawa Street, University Avenue, Webster Avenue, Santa Fe Avenue, Jones Avenue, and Peters Avenue. The cast iron pipe was constructed over 50 years ago and has had numerous leaks resulting in significant loss of water and damage to the overlying or adjacent roadway. Repairs to the water line are time consuming for staff and are very disruptive to traffic in the area as repairs are completed. The new waterlines will improve water transmission and will be constructed of non-corrosive materials such as polyvinyl chloride (PVC).
On April 14, 2015, the Norman Utilities Authority (NUA) approved Contract K-1415-120 with C.H. Guernsey and Company (Guernsey) of Oklahoma City, Oklahoma, in the amount of $39,400, to provide surveying, design, and construction services associated with approximately 3,600 feet of 12-inch and 8-inch water line along Main Street, Flood Avenue, Gray Street and University Avenue. On June 13, 2017, the NUA approved Amendment No. 1 to Contract K-1415-120 with Guernsey, in the amount of $87,200 (total contract of $126,600), to provide surveying, design, and construction services associated with approximately 6,750 feet of 12-inch and 8-inch water line.
On October 25, 2016, the NUA approved Change Order Number Two (CO#2) to Contract K-1516-80 with Central Contracting Services (Central) authorizing replacement of approximately 1,200 feet of deteriorated 12-inch ductile iron pipe (DIP) waterline with 16-inch PVC waterline along the south side of Main Street between Flood Avenue and Park Dri...
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