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  5. ›SB/MB-IFPQ Roof Sealing, Silicone Coating and Repair

California Department of Transportation·California

SB/MB-IFPQ Roof Sealing, Silicone Coating and Repair

Closes 10/19/2026$400k – $480kRequest for Quotation
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Description

This solicitation seeks a qualified, small‑business roofing contractor to provide complete roof sealing, silicone coating, and related repairs—including gutter replacement—at the Mountain Pass Maintenance Station in San Bernardino County. The contractor must supply all labor, materials, equipment, permits, disposal, and incidentals, and must hold a current C‑39 roofing license, DIR registration, and SB/MB/DVBE certification. The work scope covers roof preparation, application of a three‑course sealant system, full‑coverage silicone coating, installation of new aluminum gutters and downspouts, and replacement of roof accessories, with a 5‑year workmanship guarantee and required safety and documentation compliance. The contract value is capped at $484,000, with a start anticipated in early November 2026 and completion by the end of September 2027. • Mandatory site inspection on 7 Oct 2026 at 94200 Clarke Mountain Road, Mountain Pass, CA. • All work must be performed by the prime contractor’s own staff; subcontracting is prohibited. • Bidders must submit a fully‑filled ADM‑1412 price‑quote package by 19 Oct 2026, including required certifications, non‑collusion declaration, and prevailing‑wage compliance. • A payment bond (100 % of contract price) is required for bids over $25,000, and prevailing‑wage rules apply for bids above $15,000.

Attached files

Contact

Wendy Kwong(Contract Analyst / Primary Contact)

[email protected]

(279) 789-4474

Key dates

Opened
9/29/2026
Questions due
10/9/2026
Pre-bid meeting
10/7/2026Mandatory
Site visit
10/7/2026Mandatory
Closes
10/19/2026
Projected award
10/26/2026
Duration
11 months

Last updated

Details

Type
Request for Quotation
Industry
Construction
NAICS
238160
Solicitation №
08A4031

Budget estimate

$400,000 – $480,000

The solicitation caps the contract at $484,000. Considering typical profit margins for roofing contracts (10‑20 %) and the required materials, labor, and bond costs, a realistic net earnings range for the prime contractor would be roughly $400k‑$480k in total contract value, with actual profit likely falling between $40k‑$96k after expenses.

AI estimate from the solicitation

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