Preventative Maintenance for Activated Sludge 2 Blowers at Plant No. 1 (Re-Bid)

The Orange County Sanitation District is soliciting proposals under solicitation S-2026-727-R for a qualified contractor to perform preventative maintenance on four TURBLEX/HV-TURBO Single-Stage Centrifugal Blowers at Plant No. 1 Activated Sludge Facility No. 2. The primary objective is to ensure the reliable supply of compressed air to six aeration basins to support biological treatment operations. The scope of work specifically requires the execution of an 18,000-hour Class I Inspection of the air-ends, encompassing dismantling, cleaning, inspection, startup operations, and the delivery of detailed inspection reports. While the contractor must provide all labor, supervision, tools, and lifting equipment, the district will supply the necessary air filters, oil filters, and HDZ Rando 46 oil. The contract is a General Services agreement with a performance period of 49 calendar days from the Notice to Proceed. Award decisions will be based on a scoring system evaluating the firm's qualifications, staffing and project organization, and the quality of the work plan. Selected contractors must comply with California prevailing wage laws, maintain comprehensive insurance coverage as specified in the Determined Insurance Requirement Form, and adhere to strict site safety and PPE standards, including ASTM F2413 safety-toe shoes and ANSI Z87 safety glasses. Proposals must be submitted electronically via the OpenGov system by September 9, 2026, and must include a separate cost proposal, a non-collusion affidavit, and DIR registration.