2026-08-10_PW_26-05B_job_walk_sign_in_sheet.pdf

This is a job walk sign-in sheet for Napa County's Phase I Furnace Replacement project at the Animal Shelter facility, documented under Invitation for Bids (IFB) PW 26-05B. The project encompasses the demolition of two existing floor-mounted vertical gas furnaces and installation of two Carrier 59SU5B high-efficiency condensing gas furnaces rated at 100 MBH with 95.0 percent AFUE efficiency, along with associated HVAC components including gas line seismic shutoff valves, seismic anchoring, ductwork with insulated plenum boxes, combustion air and exhaust vent piping, wall-mounted thermostats, duct smoke detectors, and a wall-mounted Carrier Climavision Central Control Unit. A mandatory pre-proposal job walk was scheduled for either August 5, 2026 at 10:00 a.m. or August 10, 2026 at 10:30 a.m., with this document serving as the sign-in sheet for the August 10 session. Bids are due August 25, 2026 at 11:30 a.m., and questions and product substitution requests must be submitted by August 18, 2026 at 5:00 p.m. Work must commence within 15 calendar days of Notice to Proceed and be completed within 25 working days, Monday through Friday, 8:00 a.m. to 5:00 p.m.

The engineer's estimate for the project is $80,000, with bidders required to hold a Class B California contractor license and submit a 10% bid guarantee along with performance and labor and material bonds equal to 100% of the contract price. Comprehensive general liability insurance of not less than $2,000,000 combined single limit per occurrence, workers' compensation insurance with statutory limits, and comprehensive automobile liability insurance of not less than $1,000,000 combined single limit are required. All work is subject to California prevailing wage requirements, and the County retains 5% of all progress payments as security. Liquidated damages are assessed at $3,400 per calendar day for delays beyond the prescribed completion window. All work must conform to the 2025 California Building Code, California Mechanical Code, California Plumbing Code, and California Energy Code, with the contractor bearing delegated design responsibility for plenum box design and bracing, vertical ductwork bracing, and furnace bracing and anchorage, all requiring submission and approval by a California civil or structural engineer. Bids must remain valid for 90 days from opening, and award will be made to the lowest responsive and responsible bidder.