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  5. ›Spec 2525 -The Culvert Replacement on Pleasanton Avenue At…

Alameda County Public Works Agency·California

Spec 2525 -The Culvert Replacement on Pleasanton Avenue At Pleasanton Avenue and Fairgrounds Road.

Closes 8/25/2026$70k – $90kInvitation for Bid
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Description

This opportunity is a small, fixed‑price public‑works contract to replace an existing culvert at the intersection of Pleasanton Avenue and Fairgrounds Road in unincorporated Alameda County. The scope includes removal of the existing structure, installation of a new pipe (either 17‑1/4″ × 11‑3/4″ Arch CMP or the alternate 17″ × 13″ size), traffic management, utility coordination, earthwork, and restoration of roadway pavement and markings. The project is locally funded, requires a Class A (or C‑12, C‑34, C‑42) contractor license, compliance with prevailing‑wage rules, and weekly certified‑payroll reporting via Elation Systems. The contract is short‑duration (15 working days) with an engineer’s estimate of roughly $75‑$76 k. • Replace existing culvert and install new pipe (specified dimensions). • Provide traffic control, utility coordination, earthwork, and pavement restoration. • Must hold a valid Class A (or approved C‑12/C‑34/C‑42) license and be DIR‑registered by bid opening. • Prevailing‑wage compliance and weekly payroll reporting required. • Small‑scale, 15‑day fixed‑price contract (~$75k) with anticipated award in October 2026.

Attached files

Contact

Karl Lau(Project Engineer)

[email protected]

Key dates

Opened
8/4/2026
Questions due
8/19/2026
Pre-bid meeting
8/11/2026Mandatory
Closes
8/25/2026
Projected award
10/1/2026
Duration
15 days

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
237110
Solicitation №
Spec 2525

Budget estimate

$70,000 – $90,000

The engineer’s estimate is $75,515–$76,000, suggesting the contract value will be in that range. Assuming a typical contractor profit margin of 10‑15 % for a short‑duration, low‑risk civil work, the net earnings to the contractor could be roughly $75k × 0.10‑0.15 = $7.5k‑$11.5k. Including potential change‑order allowances, a reasonable budget range is $70,000 – $90,000.

AI estimate from the solicitation

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