Z--Stinson Beach PV System Upgrade for Golden Gate Na

The National Park Service, under the Department of the Interior, is seeking qualified small businesses to upgrade the photovoltaic system at the Stinson Beach Maintenance Facility in Marin County, California, to ensure compliance with California Rule 21 interconnection standards. The project requires the removal and replacement of the existing PV inverter with a UL-listed unit featuring integrated safety disconnects that are compatible with the current PV array optimizers and meet PG&E Greenbook specifications. Additionally, 31 existing PV optimizers must be replaced with new, certified models, followed by complete system commissioning including pairing and mapping of all P400 optimizers with the new inverter. The contractor is responsible for furnishing all tools, materials, incidental parts, and proper disposal of removed equipment. The work is governed by strict construction wage requirements under the Davis-Bacon Act, with wages detailed in the CA20260007 wage decision, and must comply with OSHA standards 29 CFR Parts 1910 and 1926. A site-specific safety and health plan must be developed by the prime contractor and approved by the Contracting Officer’s Representative and safety office prior to work commencement. The solicitation, identified as 140P8626Q0041, is structured as a Total Small Business Set-Aside under NAICS code 238210, requiring all offerors to be registered in SAM with an active Unique Entity Identifier and to represent in good faith their small business status. The response deadline has been extended to July 21, 2026, at 12:00 p.m. local time, and quotations must be submitted via sealed envelope with the solicitation number clearly marked. Required submissions include Standard Form 1442 (blocks 14–20C only), a completed General References Form, and a Technical Information Form detailing company information, UEI, proposed team structure, and subcontractor usage. All vendors must comply with Buy American Act requirements and provide evidence of workers’ compensation insurance before work begins. The period of performance is scheduled from August 3 to August 28, 2026, with work to commence within 10 days of notice to proceed and be fully completed and cleaned up within 15 days thereafter. Daily logs documenting labor, equipment, materials, inspections, and government communications must be maintained and submitted weekly. Payment will be processed through the U.S. Treasury’s Invoice Processing