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AMENDMENT NO. ONE TO CONTRACT K-1819-6: BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND ALAN PLUMMER ASSOCIATES, INC., INCREASING THE CONTRACT AMOUNT BY $10,000 FOR A REVISED CONTRACT AMOUNT OF $290,000 TO PROVIDE DESIGN, BIDDING, AND CONSTRUCTION ADMINISTRATION SERVICES FOR THE ROBINSON WATER LINE REPLACEMENT PHASE III PROJECT LOCATED BETWEEN 24TH AVENUE N.W. AND FLOOD AVENUE.
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BACKGROUND: The Robinson Waterline Replacement project will ultimately replace over 6 miles of 16, 24 and 30-inch deteriorated and undersized waterlines between the Brookhaven Elevated Water Storage Tank and the Water Treatment Plant (WTP). This waterline is generally constructed of cast iron or ductile iron pipe installed in the 1960's and early 1970's; the waterline has had numerous leaks resulting in significant loss of water and damage to the overlying or adjacent roadway. Repairs to this large diameter water line are very expensive, time consuming for Norman Utilities Authority (NUA) and Norman Public Works staff and are disruptive to traffic in the area as repairs are completed.
The initial phase of this project from 24th Avenue NW under Interstate 35 to west of Rambling Oaks Drive was completed in 2017. Phase II is under construction and nearing completion and extends further west from the completion of Phase I to the west to the Brookhaven Water Tower. Additionally, the segment from the Water Treatment Plant along Robinson to 24th Avenue NE was completed in 2020. This project, Phase III, will extend along Robinson from 24th Avenue NW to the east over to Flood Avenue. Future phases will complete the remaining segments of this overall project.
DISCUSSION: Contract K-1819-06 with Alan Plummer Associates, Inc., was executed by the NUA on August 28, 2018. This contract provided for preliminary and final design, bidding, and construction administration services for the Robinson WL Replacement, Phase III (Project WA0242) which includes approximately 6,800 feet (ap...
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