Unofficial Notice of Invitation to Bid (NIB)

California State Dept of Transportation (CalTrans) is seeking bids from qualified and interested contractors for the following project titled, Roof Repair and Replacement Service, identified under Solicitation ID: 09A1093. Work is to be performed near Mammoth Lakes, CA 93546, USA in Mono County.

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General Project Description

This project involves providing roof repair and replacement services at the Crestview Maintenance Station in Mono County, California. The scope includes the furnishing of all labor, materials, parts, supplies, equipment, tools, licenses, permits, travel, disposal fees, and incidentals necessary for the work. Specific tasks include the removal and legal disposal of existing damaged insulated roofing panels, soffit panels, cantilever W-beams, purlins, CEE channels, and other damaged structural components. New structural components, including cantilever W-beams (W10x22), Z-purlins (10x2.5Z12), and CEE channel purlins (10x3.5C14), along with new roof panels (type CFR (S300), 42” wide and 6” thick), complete metal panel assemblies incorporating trim, copings, fasciae, flashings, fasteners, closure strips, and sealants, will be installed to provide a structurally sound and weatherproof building. All steel components must be shop primed for corrosion protection. The project also accounts for unforeseen work and material expenditures.

General Bid Items

Quantity: 1 Unit: LS Work Item: All labor, materials, parts, supplies, equipment, tools, licenses, permits, travel, disposal fees, and incidentals necessary to remove and legally dispose of the damaged roof and structural components at the Crestview Maintenance Station per STD 213, Exhibit A, Scope of Work.
Quantity: 1 Unit: LS Work Item: All labor, materials, parts, supplies, equipment, tools, licenses, permits, travel, disposal fees, and incidentals necessary to install new structural components, roof panels, soffit panels and necessary trim to provide a structurally sound and waterproof building at the Crestview Maintenance Station per STD 213, Exhibit A, Scope of Work.
Quantity: 160 Unit: Hours Work Item: Hourly rate including all labor, tools, equipment, materials, supplies, parts, vehicles, equipment, travel, permits and incidentals necessary to effectuate unforeseen work per STD 213, Exhibit A, Scope of Work.
Quantity: 10% of Actual Subtotal Amount Unit: - Work Item: Maximum allowable expenditure for all parts, materials, supplies, fees, and permits per Exhibit A, Item 8. Actual cost will be reimbursed based on submitted original receipts.

NAICS Classification

NAICS 238160 – Roofing Contractors (Performing roof repair and replacement, including removal and installation of roofing panels and related components)., NAICS 238120 – Structural Steel and Precast Concrete Contractors (Installation of new cantilever W-beams, Z-purlins, and CEE channels for structural support)., NAICS 238990 – All Other Specialty Trade Contractors (General repair and installation of various building components, including soffit panels and trim).

Records and Due Date

This bid opportunity was entered into BidAmerica on December 22, 2025, and was last updated on December 19, 2025. All bids and/or proposals are due on January 12, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by California State Dept of Transportation (CalTrans). BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from California State Dept of Transportation (CalTrans) prior to bidding.