FROM: James D. Herberg, General Manager
Originator: Kathy Millea, Director of Engineering
SUBJECT:
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SUPERCRITICAL WATER OXIDATION DEMONSTRATION AT PLANT NO. 1, PROJECT NO. RE21-01
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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 Supercritical Water Oxidation Demonstration at Plant No. 1, Project No. RE21-01;
B. Award a Construction Contract to Garney Pacific, Inc. for Supercritical Water Oxidation Demonstration at Plant No. 1, Project No. RE21-01, for a total amount not to exceed $1,172,000; and
C. Approve a contingency of $117,200 (10%).
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BACKGROUND
The Orange County Sanitation District (OC San) collects and processes approximately 180 million gallons of wastewater every day. Cleaning this water results in concentrated solids. In December of 2021 the Board approved a demonstration project for a new type of solids treatment technology called Supercritical Water Oxidation.
This recommended Construction Contract will install pads for the solids preprocessing module and Supercritical Water Oxidation module, install a temporary trailer to serve as a control center for the demonstration project, and install all necessary process connections and utilities.
RELEVANT STANDARDS
* Comply with California Public Contract Code Section 20103.8, award construction contract to lowest responsive, responsible bidder
* Provide technology leadership to the wastewater industry
* Search for technology solutions to neutralize constituents of emerging concern
PROBLEM
In order to support the approved demonstration project, a plant site must be prepared to install the approved demonstration unit currently being manufactured. This necessary site preparation work is considered public works construction.
PROPOSED SOLUTION
Award a Construction Contract for Supercritical Water Oxidation Demonstration at Plant No. 1, Pr...
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