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City of Caldwell·Idaho

Request for Qualification (RFQ) for Construction Services at the City of Caldwell Wastewater Treatment Plant

Closes 5/12/2026$7M – $10MRequest for Qualification
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Description

The City of Caldwell is seeking qualified contractors to submit Statements of Qualifications for the construction of the Caldwell WWTP Filter Chemical Addition and Administrative Building Projects. The project includes the construction of flash mix and flocculation improvements, a chemical storage building, and a new administrative building. The estimated construction costs for the projects are $600,000 for Phase 1, $1.2 million for Phase 2, and $6 million for the administrative building. The contractor must have a minimum of 5 years of experience, a current State of Idaho Public Works Contractor’s License, and a minimum bonding capacity of $6 million. • The project requires the construction of concrete and masonry structures at a wastewater treatment plant site. • The contractor must have experience in the construction of similar projects with construction costs over $2 million. • The contractor must have a proven track record of completed projects without unresolved claims. • The contractor must demonstrate an experience modification rate (EMR or EMOD) of 1.1 or better. • The contractor must provide a minimum of three references for similar projects completed.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Alex Schoonen(Project Manager)

[email protected]

(208) 649-7554

Key dates

Opened
4/24/2026
Questions due
5/7/2026
Closes
5/12/2026
Projected award
6/1/2026
Duration
12 months

Last updated

Details

Type
Request for Qualification
Industry
Civil Engineering
NAICS
237110
Solicitation №
403-25-03

Budget estimate

$7,000,000 – $10,000,000

The estimated construction costs for the projects are $600,000 for Phase 1, $1.2 million for Phase 2, and $6 million for the administrative building. The total estimated construction cost is $7.8 million. The budget for the contractor will likely be in the range of $7 million to $10 million, considering the costs of materials, labor, and equipment. The actual budget may vary depending on the complexity of the project, the experience of the contractor, and the availability of resources.

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