FROM: James D. Herberg, General Manager
Originator: Kathy Millea, Director of Engineering
SUBJECT:
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CARBON CANYON PIPELINE SAG REPAIRS, PROJECT NO. FE17-01
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Receive and file Bid Tabulation and Recommendation for Carbon Canyon Pipeline Sag Repairs, Project No. FE17-01;
B. Reject low bid from Creative Home Corporation (CHI Construction) as non-responsive;
C. Award a construction contract to Mike Prlich and Sons, Inc. for Carbon Canyon Pipeline Sag Repairs, Project No. FE17-01, for a total amount not to exceed $510,000; and
D. Approve a contingency amount of $51,000 (10%).
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BACKGROUND
The Orange County Sanitation District (Sanitation District) owns and maintains a trunk sewer that drains a portion of the northeast section of Brea. A segment of this sewer line is located east of Rose Drive and South of Carbon Canyon Road.
During a CCTV inspection of the Carbon Canyon trunk sewer, segments of the vitrified clay pipe installed in 2008 were found to be badly deteriorated as a result of a material defect and required immediate repair. The pipe was repaired in 2017 using cure-in-place pipe liner.
The Sanitation District is pursuing compensation from the manufacturer of the defective clay pipe installed under an earlier project, including the cost of this repair.
RELEVANT STANDARDS
* Achieve less than 2.1 sewer spills per 100 miles
* Comply with California Public Contract Code Section 20103.8: award construction to lowest responsive, responsible bidder
PROBLEM
While performing the 2017 pipe repair, the crown of the vitrified clay pipe partially collapsed at two locations causing sags on the crown of the liner. These sags impede high flows and impact cleaning and maintenance operations.
PROPOSED SOLUTION
Implement Carbon Canyon Pipeline Sag Repairs, Project No. FE17-01, which will replace approximately 200 feet of 33-inch vitrified cl...
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