FROM: Robert Thompson, General Manager
Originator: Mike Dorman, Director of Engineering
SUBJECT:
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SOUTH PERIMETER WALL AND SOIL IMPROVEMENTS AT PLANT NO. 2, CONTRACT NO. P2-128A AS PART OF DIGESTER REPLACEMENT AT PLANT NO. 2, PROJECT NO. P2-128
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Receive and file Bid Tabulation and Recommendation for South Perimeter Wall and Soil Improvements at Plant No. 2, Contract No. P2-128A;
B. Accept the formal bid withdrawal request received on September 5, 2024, from the initial lowest bidder, Steve P. Rados, Inc. and receive and file the response to request;
C. Award a Construction Contract Agreement to Ames Construction, Inc., for South Perimeter Wall and Soil Improvements at Plant No. 2, Contract No. P2-128A as part of Digester Replacement at Plant No. 2, Project No. P2-128, for a total amount not to exceed $25,270,000; and
D. Approve a contingency of $2,527,000 (10%).
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BACKGROUND
The Orange County Sanitation District (OC San) Plant No. 2 is protected by an existing chain link fence along the south side of the plant, adjacent to the Talbert Marsh. The 2019 Climate Resiliency Plan identified a need for a new perimeter wall to protect the plant from future flooding, tsunami, and sea level rise threats. In addition, in 2019 the Seismic Evaluation of Structures at Plant Nos. 1 and 2 identified lateral spread as a concern, where soil can slide into the Talbert Marsh during a seismic event. Finally, to better secure our facilities, OC San developed new security standards that includes perimeter wall lighting and camera upgrades.
RELEVANT STANDARDS
* Comply with California Public Contract Code Section 20103.8, award construction contract to lowest responsive, responsible bidder
* Protect OC San assets
PROBLEM
The existing fence along the south side of Plant No. 2 will not protect the facilities from lateral spread or climate threats and does not m...
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