FROM: Robert Thompson, General Manager
Originator: Mike Dorman, Director of Engineering
SUBJECT:
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LOS ALAMITOS SUB-TRUNK AND WESTSIDE RELIEF INTERCEPTOR REHABILITATION, CONTRACT NO. 3-64C
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Approve a Professional Construction Services Agreement with AECOM Technical Services, Inc., to provide construction support services for Los Alamitos Sub-Trunk and Westside Relief Interceptor Rehabilitation, Contract No. 3-64C, as part of the Rehabilitation of Western Regional Sewers, Project No. 3-64, for a total amount not to exceed $1,576,696; and
B. Approve a contingency of $157,670 (10%).
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BACKGROUND
AECOM Technical Services, Inc., was selected as part of a competitive, qualifications-based solicitation process to design Rehabilitation of Western Regional Sewers, Project No. 3-64. At the time of the solicitation, the Orange County Sanitation District (OC San) documented its intent to award a subsequent agreement to the design consultant for continuation of engineering services during construction.
This contract will replace one mile of sewer pipe with 24-inch through 26-inch high-density polyethylene pipe and rehabilitate six miles of sewer lines with chemical grout injection to reduce the risk of flow blockages, sewage spills, and pipeline failures, while also addressing inflow and infiltration issues. This contract will also add or replace 28 manholes and rehabilitate 71 existing manholes.
RELEVANT STANDARDS
* Comply with California Government Code Section 4526 to engage the best qualified firm "on the basis of demonstrated competence and on the professional qualifications" and negotiate "fair and reasonable prices"
* Ensure the public's money is wisely spent
PROBLEM
This project requires the design consultant to provide as-needed services during construction including submittal review, responding to the Contractor's requests for information, reviewing co...
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