Yell 310402 replace grant wastewater treatment PLA

The National Park Service is soliciting proposals for the replacement and rehabilitation of the Grant Wastewater Treatment Plant and related collections and canyon collection systems at Yellowstone National Park under solicitation 140P2025R0102. The project encompasses construction of new wastewater treatment facilities including headworks, process facilities, bioreactors, digesters, dewatering facilities, drying beds, pump stations, and generator buildings, along with rehabilitation of existing lagoons, force mains, and sewer lines, plus installation of telemetry and SCADA system integration. This is an unrestricted full and open competition firm-fixed-price contract requiring the contractor to commence work within 10 calendar days of the Notice to Proceed and complete all work within 975 calendar days. The evaluation will assess management approach and business processes, quality and cost control mechanisms, organizational structure and communication, safety information including OSHA 300A incidents and Experience Modification Rate scores, past performance, small business subcontracting capability, and technical proposal quality. The proposal deadline is January 29, 2026, at 2:00 p.m. Mountain Time, with the most recent amendment issued on January 26, 2026, and questions regarding the solicitation having a cutoff date of December 4, 2025.

This solicitation carries no small business set-aside; however, the project includes substantial small business participation goals of 42% small business, 10% small disadvantaged business, 3% HUBZone, 3% Indian small business economic enterprise, 5% service-disabled veteran-owned small business, and 5% women-owned small business. The total project magnitude exceeds $10 million, with an anticipated Notice to Proceed on April 30, 2026, and a performance period extending through November 30, 2028. The work is located at Grant Village in Yellowstone National Park, with the contractor required to include all Federal, State, and Local taxes in the proposal as the project is not tax exempt. The solicitation includes a base line item for the Grant Village Wastewater Treatment Plant and four optional line items for collection system rehabilitation, dewatering facility, operations and maintenance storage building, and related work. Multiple amendments have been issued to address contractor questions, provide technical clarifications on equipment specifications, and extend the proposal deadline; contractors must acknowledge receipt of all amendments prior to proposal submission.