Olivenhain Municipal Water District Planet bids #D120198

OMWD Seeks Contractors for Multi-Year Membrane Basin Rehabilitation at Water Treatment Plant

The Olivenhain Municipal Water District (OMWD) is seeking qualified general contractors for a multi-year Membrane Basin Rehabilitation Program at the David C. McCollom Water Treatment Plant in Escondido, California. - Government Buyer: - Olivenhain Municipal Water District (OMWD), Engineering Division - Project Scope: - Six-year phased rehabilitation of multiple concrete membrane basins at the water treatment plant - Replacement of protective liner systems, structural and mechanical improvements, and new coating systems - Year 1 includes full plant shutdown for second stage basin rehabilitation and replacement of the Combined Influent and Backpulse Pipe (CIBPP) - Additional work includes pipe support rehabilitation, beam and grating replacement, and handling of submerged membranes - Products/Services Requested: - Membrane Basin Rehabilitation Program (phased construction and rehabilitation) - Combined Influent and Backpulse Pipe Replacement - Construction services for demolition, concrete repair, coating, pipe support, beam and grating replacement, and membrane transfer/storage - OEMs and Vendors: - Veolia (membrane manufacturer and supplier; responsible for supplying, installing, and commissioning new membranes under a separate contract) - Notable Requirements: - Contractors must have experience with complex rehabilitation in active water treatment facilities and handling submerged membranes - California State Contractor's License A (General Engineering) required - Compliance with federal funding provisions and Buy America requirements - Prequalification through RFSQ is mandatory to bid in the next stage - Estimated capital costs: $8.15 million for membrane basins, $1.5 million for pipe replacement - Only prequalified contractors will be eligible to bid in the subsequent stage

Description

The Olivenhain Municipal Water District is seeking qualified contractors to submit Statements of Qualifications by June 26, 2026, for construction services related to the Membrane Basin Rehabilitation Program at the David C. McCollom Water Treatment Plant in Escondido, CA. The project includes a multi-year capital rehabilitation program to restore and extend the service life of membrane treatment infrastructure, including rehabilitating concrete membrane basins, replacing liner systems, and structural, mechanical, and coating improvements. The first year involves replacement of the Combined Influent and Backpulse Pipe. This is a six-year program with potential subsequent awards based on performance. Only pre-qualified general contractors will be eligible to bid.

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