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CHANGE ORDER NO. ONE TO CONTRACT K-1819-148: BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND SOUTHWEST WATER WORKS, L.L.C., INCREASING THE CONTRACT AMOUNT BY $16,034.21 FOR A REVISED CONTRACT AMOUNT OF $844,146.21 FOR THE PARSON ADDITION WATER LINE PROJECT, AND FINAL ACCEPTANCE OF THE PROJECT.
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BACKGROUND: The Parsons Addition Waterline (WL) Phase I Replacement project, located west of the University of Oklahoma campus, will replace approximately 4,500 linear feet (LF) of 4-inch and 6-inch cast iron water line with 8-inch polyvinyl chloride (PVC) water line. Additional fire hydrants will be added as part of the project as well as new water meters. The project extent is along Flood and Lahoma from Lindsey to Brooks; and along Brooks and Parsons from Flood to Chautauqua as shown on project map.
On December 11, 2018, the NUA approved an engineering contract with Cabbiness Engineering (Cabbiness) for the project. Cabbiness prepared a technical design memo describing the complexities of the project in an established neighborhood with large trees lining the streets. An important design question was whether to install new water lines under the sidewalks and provide new sidewalks or install water lines within the street and minimize damage to large trees.
On April 10, 2019, staff and Cabbiness met with the affected residents at McKinley Elementary School. The majority of those in attendance asked that the replacement water lines be installed within the street and not under the sidewalk. The consensus was that even though new sidewalks would be beneficial, there was significant concern regarding damage to tree roots and the resulting effect on the existing tree canopy.
On June 25, 2019, the NUA approved Contract K-1819-148 for $828,112 with Southwest Water Works, L.L.C. for the construction of Parsons Addition Water Line Project, Phase I.
DISCUSSION: Proposed final Change Order No. 1 will reconcile "as-bid" to "as-built" quantities and incorporate un...
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