FROM: James D. Herberg, General Manager
Originator: Kathy Millea, Director of Engineering
SUBJECT:
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WESTMINSTER BOULEVARD FORCE MAIN REPLACEMENT, PROJECT NO. 3-62
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION: Recommend to the Board of Directors to:
A. Receive and file Bid Tabulation and Recommendation for Westminster Boulevard Force Main Replacement, Project No. 3-62;
B. Award a Construction Contract to Teichert Energy & Utilities Group, Inc. for Westminster Boulevard Force Main Replacement, Project No. 3-62, for a total amount not to exceed $27,743,000; and
C. Approve a contingency of $2,774,300.
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BACKGROUND
The Seal Beach Pump Station currently discharges all flow through a single 42-inch diameter ductile iron force main that is approaching the end of its useful life. A second 30-inch force main exists. This second pipe is made of a material know to fail catastrophically. It was removed from service approximately four years ago. The Orange County Sanitation District (Sanitation District) was compensated for this faulty pipe material by the original manufacturer many years ago.
This project will replace the two force mains with two parallel 36-inch high-density polyethylene pipes. These force mains run from the Seal Beach Pump Station at the intersection of Seal Beach Boulevard and Westminster Boulevard in the City of Seal Beach, to the intersection of Westminster Boulevard and Rancho Road in the City of Westminster, a distance of approximately 14,000 feet.
RELEVANT STANDARDS
* Achieve less than 2.1 sewer spills per 100 miles
* Comply with California Public Contract Code Section 20103.8, award construction contract to lowest responsive bidder
PROBLEM
The existing unused 30-inch force main is not safe to use due to its poor condition. The 42-inch ductile iron force main is oversized for normal flows, which causes solids to settle and accumulate inside the pipe. That force main h...
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