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County of Dane·Wisconsin

RNG Maintenance Shop and Office Building

Closes 1/8/2026$500k – $2MInvitation for Bid
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Description

Dane County is seeking bids from qualified contractors for the construction of a combined office and maintenance shop building to service the needs of the Renewable Natural Gas (RNG) Facility. The project involves the construction of a new building and the demolition of the existing maintenance shop. The goal is to upgrade outdated infrastructure and provide RNG staff with permanent office space and break area. The project must be completed within a specified timeframe and comply with all applicable county specifications, ordinances, and prevailing wage laws. Key considerations for vendors include the limited available staging area, the need to coordinate closely with landfill and RNG operations, and the requirement to maintain clean and safe work zones. • The project requires demonstrated experience in site civil and building construction and the ability to manage projects of similar size and complexity. • The project is being delivered under a lump sum contract. • The project involves the demolition of the existing maintenance shop upon completion of the new building. • The project requires compliance with all applicable county specifications, ordinances, local permitting requirements, and prevailing wage laws. • The project has a specified timeline, including a pre-bid meeting, question submission deadline, and bid due date.

Attached files

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

Contact

Alejandra Viso(Solid Waste Engineer)

[email protected]

(608) 513-7294

Key dates

Opened
11/14/2025
Questions due
1/2/2026
Pre-bid meeting
12/2/2025
Closes
1/8/2026
Duration
9 months

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
236220
Solicitation №
324029

Budget estimate

$500,000 – $2,000,000

The budget for this project can be estimated based on the scope of work, which includes the construction of a new building and the demolition of an existing one. The cost of construction can vary depending on factors such as the size of the building, materials used, and labor costs. However, considering the project's complexity and the requirement for a lump sum contract, a rough estimate for the project could be between $500,000 and $2,000,000. Factors that may influence the likely payment range include the cost of materials, labor costs, and the need for specialized equipment or services.

AI estimate from the solicitation

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