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This is a presolicitation notice for the Conlon Creek Culvert Removal Restoration project in Golden Gate National Recreation Area, Marin County, California. The project involves long-term channel stabilization, including repairing damage from a culvert blowout, constructing an engineered rock ramp, creating rock step pools for aquatic habitat, and removing a buried culvert. Additionally, an adjacent gully will be stabilized and filled. The contractor will be responsible for all supervision, labor, equipment, testing, and supplies. Contract work includes mobilization, dewatering, demolition, construction of weirs, ramp, and apron, and erosion control treatments and plantings. Option items include hauling excess soils, preparing as-built drawings, and importing rock. In-channel work is restricted to June 15 to October 15, 2026. The acquisition is a total small business set-aside, with offers solicited only from small business concerns. The Request for Proposal (RFP) will be available electronically around May 18, 2026, on www. ***. *. * and will close 30 days from issuance. Award will be made on a best-value determination considering price and factors other than price, including technical approach, schedule, project experience, key personnel experience, California state contractor license, and past performance. An organized site visit will be scheduled, and while not mandatory, offerors are urged to inspect the site.
The bid notice states that in-channel work is restricted to between June 15, and October 15, 2026.
The bid notice states that award selection will be made on a best value determination made after consideration of price and factors other than price technical approach, schedule, project experience, key personnel experience, California state contractor license, and past performance as listed in section m of the request for proposal.
The bid notice states that this acquisition is a total small business set aside. Offers are solicited only from small business concerns. Offers received from concerns that are not small business concerns shall not be considered.
The bid notice states that an organized site visit will be scheduled. While not mandatory, offerors are urged and expected to inspect the site where the work will be performed. See section l of the rfp when issued for more information regarding the date, time, and location of the site visit.
The bid notice states that the rfp will close 30 days from the actual date of issuance.