Terminal Island Water Reclamation Plant (TIWRP) Primary Treatment Tanks Improvements - CIP 5247

The project at the Terminal Island Water Reclamation Plant involves comprehensive upgrades to the six primary treatment tanks, including replacing the sludge and scum collection systems with new pumps, chains, and flights, as well as automating the tank influent gates with three per tank. Additionally, the installation of spool pipes and a manual slide gate on tank 6 is planned, alongside structural repairs and concrete improvements. The scope also includes installing a new automated venturi bypass gate with a passive overflow weir and safety tie-in locations on the tank decks. The project requires remediation for lead-based paint and asbestos, and some equipment is sole-sourced, emphasizing the need for careful planning and compliance. Bidders must participate in a mandatory job walk and review the full scope detailed in the bid package, which is available for download on RAMPLA. The project is set within California and managed by the Los Angeles Public Works Engineering Bureau, with a contract value estimated between five and ten million dollars. The solicitation was posted on August 20, 2025, with a response deadline of October 15, 2025. For further details, including accessing the Building Information Model and bid results, interested parties can visit the provided online link or contact Nathalee Delgado via email.