Board Considers MABR Construction Change Order with Overaa
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Description
Central San is considering authorizing a construction contract change order of up to $5.5 million with C. Overaa & Co. to complete and install the Membrane Aerated Biofilm Reactor demonstration system. The Board will also consider a $7.5 million supplemental authorization to increase the FY 2025-26 capital improvement budget and transfer funds to the Nutrient Management District Project 100078.
Contract Details
Contract Amount
Up to $5.5 million (change order); plus $7.5 million supplemental capital budget authorization
Vendor
C. OVERAA & COMPANY
Agency
Central Contra Costa Sanitary District, CA
Contract Type
CONSTRUCTION
Document Date
April 16, 2026
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