Hvac & Electrical System Upgrades and Retrofit Roofing At Bldgs. A, B & C @ Kingsbury Elementary School

The project at Kingsbury Elementary School involves comprehensive HVAC and electrical system upgrades across Buildings A, B, and C, coupled with a full rooftop retrofit. Scope includes replacement of mechanical units, installation of new electrical power infrastructure to support these units, resizing of the ducting system, implementation of advanced system controls, and installation of new 15-gallon water heaters and replacement of expiring electrical distribution boards. The roofing component requires complete replacement with new sheet metal flashing and trim, along with construction of new roof walkway and equipment pads for heat pumps, supported by structural detailing. All work must comply with California-specific codes including the California Electrical Code, California Building Code, and California Fire Code, as well as national standards such as NFPA 70, NEMA, UL, ANSI, and NETA. Installation must meet manufacturer specifications and ensure full operational integration with existing building systems, followed by a one-week continuous operation test and final certification upload to the California Title 24 database. The solicitation is issued by the Redlands Unified School District under Bid #1-27 with a response deadline of August 11, 2026, and follows a Lowest Price Technically Acceptable (LPTA) award structure. Bidders must submit hard-copy sealed proposals to the Purchasing Office in Redlands, CA, and attend a mandatory job walk on July 21, 2026. Proposals must include a completed bid form, bid bond, non-collusion affidavit, subcontractor designations, and certifications including DIR registration. Subcontractors must be active with the California Department of Industrial Relations, and bidders must affirm intent to meet DVBE participation goals if applicable. Special requirements include manufacturer certification with 30+ years of experience and ISO 9001 compliance, installer certification with five years of experience, daily photographic inspections, on-site supervision during roofing, and a 6-foot perimeter fence. All materials must be stored in original packaging with protective seals, and labeling must adhere to ANSI Z535 standards with specific color codes for voltage, caution, and receptacle identification. Invoicing must be submitted in triplicate, payment is due within 30 days, and liquidated damages apply for schedule delays. No federal contracting identifiers like UEI or CAGE are required, and all documentation must conform to California procurement practices.