Vista Continuation High School Modernization: TPO Roofing

The Kern High School District is soliciting bids for Bid No. 6925, providing a complete TPO roofing system for the Vista Continuation High School Modernization project located at 200 P Street, Bakersfield, California. The scope of work includes the installation of fully adhered, mechanically fastened, or ballasted membranes, along with all necessary cover boards, tapered insulation for positive drainage, base sheets, adhesives, primers, sealants, and attachment hardware. Additionally, the contractor is responsible for providing roof access hatches, emergency identification panels, walkway pads, and all penetration flashings for mechanical, plumbing, and electrical systems. The project is part of a multiple-prime effort with an overall anticipated duration of 490 calendar days. Bids are due by October 21, 2026, at 2:00 p.m., and must be submitted to the Business Services Department. The contract will be awarded to the lowest responsive and responsible bidder, with evaluation factors including industry reputation, financial standing, and the qualifications of proposed subcontractors. Required bid security includes a 10% bid bond, and the successful contractor must provide performance and payment bonds prior to starting work. This is a prevailing wage project requiring strict compliance with the California Labor Code and DIR certified payroll reporting. Technical requirements mandate that all materials be delivered in original sealed containers and that the installed system undergo rigorous quality control, including flood, vacuum, or electronic leak detection testing. Final project acceptance is contingent upon the approval of a test plan, completion of all punch list items, and the provision of manufacturer and contractor workmanship warranties. Contractors must also adhere to specific safety standards for rooftop hazard markings and comply with DVBE participation and drug-free workplace certifications.