FROM: James D. Herberg, General Manager
Originator: Kathy Millea, Director of Engineering
SUBJECT:
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RETURN ACTIVATED SLUDGE PIPING REPLACEMENT AT PLANT NO. 2, PROJECT NO. P2-123
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Approve a Professional Construction Services Agreement with Spec Services, Inc. to provide construction support services for Return Activated Sludge Piping Replacement at Plant No. 2, Project No. P2-123, for a total amount not to exceed $252,329; and
B. Approve a contingency of $25,233 (10%).
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BACKGROUND
Orange County Sanitation District's (Sanitation District) Plant No. 2 has two biological secondary treatment facilities, one of which is the Activated Sludge Plant, which uses pure oxygen for wastewater treatment. The Activated Sludge Plant was built in 1979 and includes a concrete deck that seals oxygen into the process basins and ninety-two light poles and fixtures installed throughout the facility to provide operators safe working conditions at night.
RELEVANT STANDARDS
* 24/7/365 treatment plant reliability
* Comply with California Government Code Section 4256 to engage the best qualified firm "on the basis of demonstrated competence and qualifications" and "negotiate fair and reasonable fees"
PROBLEM
The project requires the design consultant to provide as-needed services during construction including submittal review, answering the contractor's requests for information, reviewing construction change orders, participating in meetings, site visits, and preparing record drawings.
PROPOSED SOLUTION
Award a Professional Construction Services Agreement with the design consultant Spec Services, Inc., to provide engineering support services during construction.
TIMING CONCERNS
Engineering support services will be needed at the start of construction, which is anticipated for October 23, 2019.
RAMIFICATIONS OF NOT TAKING ACTION
The engineering support services needed to f...
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