GRCA 318719_Temporary WWTP at North Rim

The National Park Service, Department of the Interior, Denver Service Center intends to solicit proposals for design and construction of a temporary wastewater treatment plant at Grand Canyon National Park's North Rim, with solicitation release anticipated in June 2026 and a Small Business Set-Aside designation. The project is classified under NAICS 237110 (Water and Sewer Line and Related Structures Construction) with a $45 million size standard. The estimated contract value exceeds $10 million, with a performance period of 420 calendar days after notice to proceed. The facility will provide temporary treatment capacity to support visitor facilities and campgrounds during permanent wastewater system reconstruction or upgrades at the remote, high-elevation North Rim site, which is accessible seasonally from May through October. The installation must comply with Arizona Department of Environmental Quality effluent standards. Helicopter access will not be required for equipment or materials transport. The contract is currently unfunded, though the agency expects funds to become available. The solicitation will be posted electronically on SAM.gov; interested vendors must maintain active SAM registration and possess a DUNS number. A pre-proposal meeting may be held with details provided in a subsequent amendment or special notice. Offerors are strongly encouraged to contact the Small Business Administration to identify qualified subcontractors. The actual proposal receipt date will be established in the solicitation documents.