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CHANGE ORDER NO. THREE TO CONTRACT K-1920-46: BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND CIMARRON CONSTRUCTION COMPANY, L.L.C., INCREASING THE CONTRACT AMOUNT BY $132,940 FOR A REVISED CONTRACT AMOUNT OF $2,277,439.56 AND ADDING 150 CALENDAR DAYS TO THE CONTRACT FOR THE GRAY STREET AND TONHAWA STREET WATER LINE REPLACEMENT PROJECT.
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BACKGROUND: This project will replace approximately 11,500 feet of 6, 8, and 12-inch water line generally along Gray Street and Tonhawa Street and associated side streets from North Base Avenue to Porter Avenue. The existing water lines are cast iron pipe and were constructed over 50 years ago and have 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 water lines 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 associated construction services for approximately 3,600 feet of 12-inch and 8-inch water line along Main Street, Flood Avenue, Gray Street and University Boulevard. 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 for approximately 6,750 feet of 12-inch and 8-inch water line. On May 28, 2019, the NUA approved Amendment No. 2 to Contract K-1415-120 with Guernsey in the amount of $26,500 (total contract of $153,100) to provide surveying, design, and construction services associated with approximately 1,500 additional feet of water line.
On October 25, 2016, the NUA approved CO#2 t...
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