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AMENDMENT NO. ONE TO CONTRACT K-1415-120; BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND C.H. GUERNSEY & COMPANY INCREASING THE CONTRACT AMOUNT BY $87,200 FOR A REVISED CONTRACT AMOUNT OF $126,600 FOR THE GRAY STREET WATER LINE REPLACEMENT PROJECT.
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BACKGROUND: The Gray Street water line (WL) Replacement Project replaces deteriorated 12-inch and 6-inch cast iron water lines along Main Street, Flood Avenue, Gray Street and University Boulevard. 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 water lines will improve water transmission and will be constructed of non-corrosive materials such as polyvinyl chloride (PVC) pipe.
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 to provide surveying, design, and bidding services associated with approximately 3,600 feet of 12-inch and 8-inch water lines along Main Street, Flood Avenue, Gray Street and University Avenue.
On October 25, 2016, the NUA approved 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) water line with 16-inch PVC water line along the south side of Main Street between Flood Avenue and Park Drive. Additionally, approximately 500 feet of 8-inch water line on the east side of Flood between Main and Gray is to be replaced.
The work being completed under CO#2 with Central includes a portion of the work designed by Guernsey under Contract K-1415-120.
DISCUSSION: The proposed amendment will authorize Guernsey to provide additional surveying, design, bidding and construction management services associated with the con...
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