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CHANGE ORDER NO. ONE TO CONTRACT K-1516-86: BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND JORDAN CONTRACTORS, INC. INCREASING THE CONTRACT AMOUNT BY $92,290 FOR A REVISED CONTRACT AMOUNT OF $1,818,040 AND EXTENDING THE CONTRACT BY 20 CALENDAR DAYS FOR THE WOODCREST INTERCEPTOR PROJECT.
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BACKGROUND: The Woodcrest Interceptor improvements were recommended by the Wastewater Master Plan (WWMP), adopted by the Norman Utilities Authority (NUA) in November 2001. The WWMP proposed the enlargement of interceptors to meet obligated and future capacity demands.
The Woodcrest Interceptor Project will replace and upsize the existing interceptor. It is located in north central Norman and runs from near Lift Station D south across Tecumseh Road, then SW to near Porter Avenue and Rock Creek Road (map attached). It consists of approximately 9,350 linear feet (LF) of new 24-inch and 15-inch sanitary sewer line.
On March 8, 2016, the Norman Utilities Authority (NUA) approved Contract K-1516-86 with Jordan Contractors, Inc. of Tecumseh in the amount of $1,725,750 to perform the work. Construction began April 4, 2016, and is on schedule and within budget.
DESCRIPTION: As with any project of this scope, field adjustments and modifications are necessary. Several contract modifications, detailed below, are required in proposed Change Order No. 1 (CO1).
To facilitate protection of numerous trees, and sustain the nature of the neighborhood, about eight (8) manholes should be rehabilitated in place, rather than removed and replaced. Jordan proposes, and staff recommends approval of $3,214 per manhole rehabilitation, for a total of $25,712 additional. Removal of existing manholes at $500 each, and furnishing of new replacement manholes at $3,000 each, work anticipated by the original project as bid will not be required, for a potential savings of up to $28,000. Therefore, the financial impact of this proposed change order will be partially mitigated. The latter ...
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