Summary
Work involves replacement of digester gas piping and gas safety equipment and associated supports, replacement of two access roof hatches (cover and frame) on each digester with provisions for concrete repair, modifying existing two side hatches on each digester, recoating interior headspace of each digester, concrete repairs to the four digester and building, installing new level measurement device on each digester, installing five linear generators and associated electrical, installing biogas conditioning equipment and RNG Upgrading system, installing a RNG injection pipeline from the RNG upgrading system to PG&E's injection station, replacing steam boiler and steam system appurtenances with heating water boiler and hydronic system, replacing existing waste gas flares with new enclosed flares, demolition of the Cogen facility and appurtenances, and other civil, structural, mechanical, electrical, demolition related improvements.