CITY COUNCIL AGENDA ITEM
ACTION REQUESTED:
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Approve the award of Option Year Two to Contract 19-060, Storm Sewer Rehabilitation (8"- 30") Cured-in-Place Pipelining (CIIP), to Hoerr Construction Inc. for an amount not to exceed $750,000, plus a 3% contingency
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DEPARTMENT: Department of Public Works
SUBMITTED BY: Richard Dublinski, Director
BOARD/COMMISSION REVIEW:
N/A
BACKGROUND:
The Department of Public Works (DPW) maintains the City's system of storm sewers. Storm sewers have a functional lifespan of approximately 75 years. As a storm sewer ages, the pipe develops cracks caused by material degradation, soil settlement, root intrusion and/or adjacent construction. When a segment of storm sewer approaches the end of its useful life, the extent and severity of pipe degradation results in a high probability for pipe/system failure. Pipe failure may cause sinkholes in roadway surfaces and may also result in flooding of homes, businesses, and/or public rights-of-way.
The City has re-lined approximately 212,000 linear feet of pipe since the inception of the Storm Sewer Lining Program (SW017) in 2004. This proactive program has led to a reduction in localized flooding and related complaints.
On June 4, 2019 the City Council approved the award of Contract 19-060, Storm Sewer
Rehabilitation Cured-In-Place Pipelining (CIIP), to Hoerr Construction Inc. for a one-year term with two one-year options to renew. Option year one was approved on March 17, 2020 and Change Order #1 was approved on January 5, 2021.
DISCUSSION:
During the first extension of the contract, Hoerr Construction completed the rehabilitation of approximately 11,500 feet of storm sewer ranging from eight to 36 inches in diameter. The work included cleaning, televising, and sealing the sewer with cured-in-place pipelining. In 2020, work was completed in grids 114 and 129 (West Highlands) as well as single-run repair sections in other grids. The lining of a 30-inch culvert at Royce Road ...
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