Generator Stack Extension Services 24-42017-000

The California Department of State Hospitals (DSH) in Napa County is soliciting bids for a Generator Stack Extension Services project (IFB #24-42017-000) located at the Central Plant Building 331. The procurement involves extending two existing co-generation baffles to reduce air turbulence and comply with EPA standards, with detailed specifications provided by J.C. Chang and Associates (JCCA) drawings and structural calculations. Contractors must provide all materials, supplies, tools, equipment, transportation, licenses, permits, prevailing wages, insurance, bonds, and personnel to complete the project. Key deliverables include a 12'-6" stack extension with a ladder, platform for air quality readings, and structural support components using HSS6X6X6 steel tube columns and a concrete foundation. Bidders must possess a Class A General Engineering Contractor License with a minimum of five years' experience in Co-Generation Plant Construction Services. Critical dates include a mandatory bidder's conference on December 12, 2024, at 10:00 AM, questions due by December 16, 2024, and bid submissions due by January 30, 2025, at 3:30 PM. The anticipated contract start date is March 1, 2025, with project completion required by June 30, 2026.

The procurement includes several set-aside and preference provisions to support small and disadvantaged businesses. A Small Business Preference of 5% is available, and a Disabled Veteran Business Enterprise (DVBE) incentive of up to 5% can be applied based on participation levels. Bidders must be registered with the Department of Industrial Relations for public works projects over $25,000 and must comply with prevailing wage requirements. A 10% bid security bond is mandatory, and contractors will need to provide performance and payment bonds depending on the contract value. An 8% contingency must be added to the bid total to account for unforeseen conditions. While no specific incumbent vendor is mentioned, Durr Universal Inc. is identified as a potential manufacturer contact for materials and installation. The project will be located at 2100 Napa Vallejo Highway and has received approval from the Office of the State Fire Marshal on June 12, 2024. Though an exact budget is not specified, the comprehensive requirements and extensive technical specifications suggest a significant capital investment for this infrastructure improvement project.