Water Treatment Plant PLC and SCADA Replacement Project

The City of Avenal is requesting bids on replacement of programmable logic controllers and a redundant SCADA system at Water Treatment Plants 1 and 2, with bids due August 6, 2026, at 2:00 p.m. and a mandatory pre-bid meeting and site visit on July 23, 2026, at 9:00 a.m. Attendance at the pre-bid meeting is required for bid eligibility.

Bidders must hold a valid California Contractor's License including Class C-10 for electrical work and demonstrate a minimum of five years of experience installing, programming, and commissioning PLC and SCADA systems on operating municipal water treatment or similar critical process facilities. All contractors and subcontractors must be registered with the Department of Industrial Relations, and California prevailing wage rates apply.

The scope includes replacement of existing PLCs at both plants with Automation Direct Productivity P2-550 controllers; furnishing and installation of a redundant Inductive Automation Ignition SCADA system with historian and alarm notification; I/O rewiring, termination, and tagging; RACO alarm dialers; radio telemetry integration with remote tank sites; testing, commissioning, and operator training. The contract term is thirty working days with liquidated damages of $3,600 per day. Bid security equal to ten percent of the bid amount is required; performance and payment bonds each equal to one hundred percent of the contract price are mandatory upon award.

Bid inquiries must be submitted in writing to diego@am-engr.com by July 29, 2026, at 5:00 p.m., with any addenda issued by July 31, 2026. Plans and specifications are available for a nonrefundable $100 per set plus $10 mailing from A&M Consulting Engineers. The project is financed by the State Water Resources Control Board under Urgent Drinking Water Needs Funding Agreement No. D2517013.