Exterior Stairway Replacement, Grand Coulee Dam Left Powerplant, Columbia Basin

The Bureau of Reclamation seeks contractors for an exterior stairway replacement project at the Grand Coulee Dam Left Powerplant in Grant County, Washington. The project involves comprehensive demolition and reconstruction of existing steel-framed stairways, concrete walls, and associated electrical systems. Contractors will be required to install two new exterior stairways: a South Stairway with 8 flights serving Levels 7-11 and a North Stairway with 2 flights serving Levels 7-8. Interested contractors must submit responses by February 28, 2025, which should include details on bonding capacity, point of contact, size status, and relevant past performance. Evaluation criteria will likely focus on technical capabilities, past performance in similar heavy civil engineering construction projects, and ability to meet the project's safety and technical specifications.

The contract is not set aside for any specific small business category and falls under NAICS code 237990 with a $45 million size standard. The estimated contract value ranges between $1-5 million, with a planned performance period from October 2025 to April 2026. The project scope includes comprehensive work such as hazardous material surveys, stairway and walkway removal, concrete foundation preparation, installation of fire-rated doors, electrical systems integration, emergency lighting, security card reader infrastructure, and minor site improvements like asphalt paving repairs and chain link fencing. The Bureau of Reclamation's Pacific Northwest Region office in Boise, Idaho, will manage the contract, which will be awarded as a Firm Fixed Price construction contract.