California eProcure #08A4034

Caltrans TPO Roofing Installation and Repair at Vidal Maintenance Station

Caltrans District 8 is seeking a qualified contractor to install and repair a TPO roofing system at its Vidal Maintenance Station in San Bernardino County. - Government buyer - California Department of Transportation (Caltrans), under the California State Transportation Agency - Division of Procurement and Contracts; District 8 project at the Vidal Maintenance Station - Contract contact: Wendy Kwong, Contract Analyst - Scope and quantities - Install one complete TPO roofing system over the existing metal roof, covering approximately 3,350 sq. ft.; includes an 80-mil membrane, insulation, cover board, flashings, attachment components, and related accessories. - Supply and install 170 linear ft. of rain gutters; correct drainage and ponding issues as needed. - Provide 200 hours of unforeseen labor, subject to prior written approval, along with roof inspection and preparation, repairs, cleanup, and legal disposal. - Additional listed items include roofing materials and accessories, specialty insulation/fireproofing material, flashings, downspouts, and coating, caulking, weatherproofing, and fireproofing work for metal structures. These are listed as 1 EA each where a quantity is specified; no part numbers are provided. - OEMs named in the solicitation - Carlisle SynTec Systems, GAF Commercial Roofing, Johns Manville, Elevate (formerly Firestone Building Products), and Sika Sarnafil are identified as potential roofing-system manufacturers, or an approved equal. - Notable requirements - The roofing system must meet a minimum design wind speed of 120 mph. - Contractor must provide labor, equipment, tools, materials, permits, travel, and incidentals, and handle legal disposal. - A California C-39 Roofing Contractor license, required registrations, and small-business or DVBE certification are specified. A pre-bid site inspection is mandatory. - The proposal’s total cost may not exceed $484,000. Work is expected during normal weekday business hours, excluding State holidays.

Description

Caltrans is seeking quotes for Thermoplastic Polyolefin (TPO) roofing system installation and repair services in San Bernardino County. The contractor must provide all labor, equipment, tools, parts, materials, supplies, permits, legal disposal, travel, and incidental items needed to perform the work. Bidders must maintain a current C-39 Roofing Contractor license and meet the stated registration and small-business or DVBE certification requirements. A mandatory site inspection is scheduled for October 8, 2026, and quotes are due October 20, 2026.

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