Y--YELL 310402 Grant Wastewater Treatment Plant and Collections and Canyon Collections

The YELL 310402 Grant Wastewater Treatment Plant and Collections and Canyon Collections project is a sealed bid solicitation under contract number 140P2025R0102 issued by the Department of the Interior’s National Park Service via the Denver Service Center Contracting Services Division. The project involves the complete replacement of the Grant Village Wastewater Treatment Plant and the rehabilitation of the Grant and Canyon Village wastewater collection systems within Yellowstone National Park, with a total estimated construction value exceeding $10 million. Performance is scheduled to begin on August 4, 2025, and must be completed by November 30, 2028, inclusive of winter shutdowns and final cleanup, with work to commence within ten calendar days after receipt of the Notice to Proceed. The solicitation, originally issued on September 26, 2025, has undergone multiple amendments refining construction specifications, design drawings, evaluation criteria, and submission procedures, with the most recent amendments dated January 2026 updating chemical resistant coatings, blower and pump specifications, diesel generator sets, and evaluation factors for award, particularly emphasizing management approach, safety protocols, and risk mitigation. The proposal submission deadline was extended to January 29, 2026, at 2:00 p.m. Mountain Time, and proposals must be submitted electronically in two volumes—Technical and Business/Price—with each submission adhering to strict formatting, file size, and naming conventions, and sent to designated email addresses with a required subject line format. The technical scope includes compliance with numerous federal, state, and industry standards such as ASTM, ANSI, NFPA, and ISO 9001, with detailed requirements for materials including ductile iron pipe, stainless steel passivation per ASTM A380, concrete work, and UV disinfection systems. Contractors must reference and adhere to over 70 engineering drawings and specifications covering process systems, structural components, landscape restoration, geotechnical data, and regulated building materials, including asbestos and lead paint assessments conducted in 2021. Compliance with environmental regulations is mandated through prior aquatic resource delineations identifying wetlands and waters of the United States, with all work subject to inspection under FAR 52.246-12 and acceptance at the site by the Government’s Contracting Officer. Key personnel including Project Manager, Superintendent, Quality Control Manager, and Safety Manager must be assigned, with substitutions restricted for the first 1