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CONSIDERATION OF AWARDING BID NO 1415-43, APPROVAL OF CONTRACT K-1415-98 BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND INSITUFORM TECHNOLOGIES, L.L.C., IN THE AMOUNT OF $362,844; PERFORMANCE BOND B-1415-62, STATUTORY BOND B-1415-63, AND MAINTENANCE BOND MB-1314-58; FOR THE LINDSEY STREET SANITARY SEWER REHABILITATION PROJECT.
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BACKGROUND: As a part of the Lindsey Street Widening Project, the Norman Utilities Authority (NUA) will fund multiple projects to reduce the probability of future water or sewer repairs once the new roadway is constructed. The NUA has already awarded construction of approximately 6,000 feet of new 24-inch water transmission main on the south side of Lindsey between Berry Road and 24th Avenue SW. These improvements will be constructed concurrently with the relocation of other water and sewer lines by the Department of Public Works to provide the required clearances for the new roadway. Additionally, other existing utilities such as telephone, electric, gas, cable are being relocated.
The proposed Lindsey Street Sanitary Sewer (SS) Rehabilitation Project will replace or rehabilitate about 2,900 linear feet of 21- inch sewer interceptor, generally between McGee and Berry on the south side of Lindsey, as shown on the attached map. Funding for this project is provided by the five dollar per month ($5/month) Sewer Maintenance Rate approved by the citizens of Norman in 2001 for the systematic replacement of aged and deteriorating sewer lines.
This 21-inch sewer interceptor was constructed of vitrified clay pipe (VCP) in about 1960; television inspection indicates the VCP to be in fair condition and with adequate capacity. However, the interceptor generally lies beneath the future southern-most lane of the Lindsey Street Widening Project. In an effort to greatly reduce the probability of future sewer repairs and maintain the integrity of the new roadway, the sewer interceptor will be "slip-lined". Slip-lining is a process...
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