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OpenResponses due Nov 15, 2026, 8:00 PM EST

Digester gas facilities rehabilitation and seismic upgrades

J-124 (RFI), DIGESTER GAS FACILITIES REHABILITATION, Solicitation 296619, issued by Orange County Sanitation District.

Official posting and documentsfree with an account

At a glance

Orange County Sanitation District is seeking qualified contractors to rehabilitate digester gas compressor facilities at two wastewater treatment plants in Fountain Valley and Huntington Beach, California. Work includes seismic upgrades to compressor buildings, electrical and instrumentation system rehabilitation, auxiliary equipment upgrades, and replacement of existing flares with low-emission units.

Key facts

Solicitation number
296619
Type
purchase
Posted
Aug 25, 2026
Response deadline
Nov 15, 2026, 8:00 PM EST
Place of performance
Orange County, CA
Official posting
Documents, addenda and the procurement contact, free with an account.
  • wastewater treatment
  • gas compression
  • seismic retrofit
  • electrical systems
  • equipment replacement

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Official description

Solicitation #J-124 REQUEST FOR INTEREST. Issued by Procurement. The project will be located at OC SAN's Plant No. 1 and Plant No. 2 in Fountain Valley and Huntington Beach, CA, respectively. The project will rehabilitate the existing gas compressor facilities at both plants. It will include seismic upgrades to the gas compressor buildings, rehabilitation of electrical and I&C systems, and rehabilitation of other necessary auxiliary equipment. It will also replace the existing flares with low pressure ultra-low emission flares.

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All 55 open wastewater treatment bids nationwide · Every open bid from Orange County Sanitation District

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