Pump Station 11 Rehabilitation Project

Dorchester County, South Carolina is issuing an Invitation for Bids (IFB) for the Pump Station 11 Rehabilitation Project located at 6739 Bent Creek Drive, North Charleston, SC 29420. This procurement seeks qualified construction firms to perform comprehensive rehabilitation and upgrade work on an existing wastewater pump station to restore reliability, address structural and odor concerns, and ensure compliance with current County Water & Sewer standards. Key deliverables and scope items include: removal and replacement of the access hatch and vent assembly with a Wager Model 1800 vertical odor control system; structural evaluation and rehabilitation of the wetwell using chemical grouting and application of a 125-mil Raven 405 epoxy liner; installation of three new Sulzer submersible pumps; replacement of all internal and external discharge piping with lined and coated ductile iron pipe (DIP); installation of a Rosemount 8750W magnetic flow meter; and comprehensive electrical improvements including removal and relocation of the existing control panel, installation of a new non-air-conditioned control panel with soft starts, addition of lighting, SCADA integration, installation of a diesel generator, and associated transfer equipment. The contractor must maintain full bypass pumping during the entire construction period and obtain all necessary permits and licenses. Critical deadlines include a mandatory pre-bid meeting on March 12, 2026, at 11:00 AM at the project site; written questions deadline of March 17, 2026, at 5:00 PM; and bid submission by March 24, 2026, at 2:00 PM through the OpenGov Procurement Portal, with public bid opening at that same time. Substantial Completion is required within 360 calendar days from the Notice to Proceed, with Final Completion within 30 calendar days thereafter. Bidders must provide a bid bond of at least 5 percent of the total bid amount, and successful contractors must furnish performance and payment bonds equal to 100 percent of the contract value. Insurance requirements include General Liability ($1,000,000), Automobile Liability ($1,000,000), Workers' Compensation, Owners' & Contractors' Protective Liability ($1,000,000), and Professional Liability ($1,000,000 per occurrence).

No specific set-aside designations or disadvantaged enterprise restrictions are identified in the procurement documents; however, all bidders must demonstrate compliance with South Carolina law including Title 8, Chapter 14 (illegal immigration requirements) and the Drug-Free Workplace Act, along with all applicable federal and state regulations. All materials must be manufactured in the United States and conform to Dorchester County specifications and details. The procurement requires integration with existing SCADA infrastructure and compliance with Dorchester County pump station standards for piping materials, including Permashield 431 lining by Tnemec and Tnemec 110GN Clover paint. No incumbent vendors or current contractors are specifically listed in the available documents. Payment terms provide for 90 percent of work properly completed during progress payment requests, with retainage reduced to 5 percent upon reaching 75 percent completion, and final payment due within 30 days of approved invoices under F.O.B. Destination shipping terms. The contract includes a fixed $50,000 Owner Allowance Contingency for unforeseen or additional work authorized by the County, and liquidated damages are assessed at $1,000 per calendar day for delays beyond the contract completion date. No specific overall contract award value or budget range is disclosed in the available procurement documents.