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AMENDMENT NO. THREE TO CONTRACT K-1314-110: BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND ALAN PLUMMER ASSOCIATES, INC., INCREASING THE CONTRACT AMOUNT BY $43,060 FOR A REVISED CONTRACT AMOUNT OF $628,600 TO PROVIDE ADDITIONAL ENGINEERING SERVICES TO ADD FINAL DESIGN AND CONSTRUCTION ADMINISTRATION TO EXTEND THE WATER LINE TO THE BROOKHAVEN WATER TOWER AS PART OF THE ROBINSON WATER LINE REPLACEMENT PROJECT BETWEEN 36TH AVENUE N.W. AND 24TH AVENUE N.W.
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BACKGROUND: The Robinson Waterline Relocation Phase I project (WA0195) replaced approximately 3,400 feet of deteriorated 24-inch waterline and 3,400 feet of deteriorated 12-inch waterline along Robinson generally between 36th Avenue NW and 24th Avenue NW. This cast iron waterline was constructed in the early 1970s and 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.
Request for Proposal (RFP) 1314-28 was distributed to consultants and the review team selected Alan Plummer Associates, Inc. (APAI), with offices in Oklahoma City and Fort Worth, Texas, as most qualified consultant for the project. On January 28, 2014, the NUA approved Contract K-1314-110 in the amount of $99,900 with APAI for preliminary design (30% completion), surveying and geotechnical services associated with the construction of approximately 5,300 feet of waterline along Robinson, crossing I-35, and between 24th and 36th Avenues NW.
At the completion of the preliminary design phase, the NUA selected the "best" alternative for providing a reliable, appropriately-sized water transmission line serving western Norman. The design also considered the impact on the future Oklahoma Department of Transportation (ODOT) I-35 ramp realignment project which may be completed ...
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