CA-SAN joaquin RIV NWR-grnhs demolition

The US Fish and Wildlife Service seeks sealed bids for greenhouse demolition and hazardous material abatement at San Joaquin River National Wildlife Refuge in Vernalis, California, with proposals due August 27, 2026 (extended from August 20). The procurement is set-aside for small business concerns and awarded on lowest price fair and reasonable basis.

Place of performance is 2714 Dairy Road, Vernalis, California. Work includes two base bid tasks—Green House Hazardous Material Abatement & Demolition (1,918 square feet) and Septic Tank Removal—and two optional tasks subject to funding: Barn Hazmat Abatement & Demolition (13,855 square feet) and Fuel Tank Removal (750 gallons diesel, 250 gallons gasoline). Period of performance runs from Notice-to-Proceed through October 16, 2026. The estimated construction magnitude is between $100,000 and $290,000. NAICS code is 238910, Site Preparation Contractors; PSC is F108, Environmental Systems Protection—Environmental Remediation. Small business size standard is $19 million.

Hazardous materials present include asbestos-containing materials in drywall mud, joint compound, and texture coatings at 0.25% chrysotile asbestos (triggering California's 0.1% threshold requiring mandatory abatement), and lead-based paint on exterior wood surfaces at 3.90–5.18% by weight. All work must comply with California Department of Toxic Substances Control requirements, Cal/OSHA, Cal Green, and California Water Board OWTS policy. Contractors must hold appropriate hazardous materials handling licenses. Contractors must provide work plans, health and safety plans, and completion reports with waste manifests and disposal records prior to final payment. Performance and payment bonds are required for awards exceeding $150,000, due within ten calendar days of award. A mandatory site visit was held August 12, 2026. Amendment 0003, effective August 3, 2026, extended the proposal deadline from August 20 to August 27, 2026 at 9:00 AM EST and added an inspection report. Contracting Officer is Tiffannie Pannell, 703-468-8281, Tiffannie_Pannell@ios.doi.gov. Contract Officer Representative is Caroline Kreiser, 916-215-6624, caroline_kreiser@fws.gov.