Marin headlands forced main repairs

The National Park Service Pacific West Region is seeking a contractor to repair a broken 6-inch PVC forced main located approximately four feet under Bunker Road in the Marin Headlands area of Golden Gate National Recreation Area in Sausalito, California. The project requires comprehensive pipe repair services including asphalt cutting, trenching, pipe removal and replacement, backfill and compaction, traffic control, and sewage bypass pumping using a Vactor truck. Contractors must possess a California A or B contractor license, be registered in the System for Award Management (SAM), and demonstrate relevant experience with at least three similar projects completed within the last five years. The government will evaluate quotations based on price, relevant experience, California contractor license status, and past performance. The solicitation originally had a due date of July 14, 2025, with a mandatory site visit conducted on July 1, 2025, and the project is scheduled for performance from August 4-8, 2025.

This opportunity is designated as a total small business set-aside under NAICS code 237110 for Water and Sewer Line and Related Structures Construction. The contract is structured as a firm-fixed-price purchase order with an estimated value between $25,000 and $100,000, and includes a base bid for pipe repair plus an optional line item for road cut repaving. The work must be performed during normal business hours (8 a.m. to 5 p.m., Monday through Friday) with no holiday work permitted, and the contractor will be responsible for all supervision, labor, equipment, testing, and supplies needed to complete the repair. The project site serves over 4 million annual visitors and 134 National Park Service staff members and interns, with the repair work involving removing and replacing a double cleanout with a straight pipe section while maintaining live system operations. Based on the site visit sign-in sheet, AIM-DWG Inc. has shown interest in the opportunity, though no current incumbent contractor is identified in the solicitation materials.