FROM: James D. Herberg, General Manager
Originator: Kathy Millea, Director of Engineering
SUBJECT:
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HEADWORKS REHABILITATION AT PLANT NO. 1, PROJECT NO. P1-105
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION: Recommend to the Board of Directors to:
Adopt Resolution No. OCSD 20-XX entitled, "A Resolution of the Board of Directors of the Orange County Sanitation District, making findings pursuant to Public Contract Code Section 3400 in support of the sole source specification of SUEZ Water Technologies & Solutions for refurbishing four existing bar screens and for furnishing two new bar screens for Headworks Rehabilitation at Plant No. 1, Project No. P1-105".
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BACKGROUND
The headworks facilities are the first treatment process at a wastewater treatment plant and protect downstream equipment by removing large objects and abrasive materials. Large objects are removed by bar screens which are racks of bars placed in a channel with a mechanical rake to remove the collected material from the channel.
Headworks Rehabilitation at Plant No. 1, Project No. P1-105, is a complete renovation of the existing headworks, including the bar screens.
RELEVANT STANDARDS
* Ensure the public's money is wisely spent
* Comply with Public Contract Code Section 3400
* Comply with OCSD Policy - Purchasing Ordinance No. OCSD-52, Section 1.07.A Sole Source Procurement
PROBLEM
The existing bar screen facility at Orange County Sanitation District's (Sanitation District) Plant No. 1 includes six bar screen channels. Four are currently equipped with bar screens; two with 5/8-inch clear spacing and two with 1-inch clear spacing. All four screens were manufactured by Infilco Degremont, Inc., which has since been acquired by SUEZ Water Technologies & Solutions (Suez).
The two existing 5/8-inch screens are in poor condition and need complete refurbishment. The 1-inch bar screens are used only under high flow conditions because the larger materia...
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