Y--KNRI 257081¿ Knife River Indian Village National H

The contract solicitation for Knife River Indian Village National Historic Site - Elbee Bend Bank Stabilization, identified as KNRI 257081 and solicitation number 140P2026R0086, seeks a contractor to execute riverbank stabilization work at a federally designated national historic site. The project requires comprehensive earthwork, riprap installation, erosion control, site restoration, and archaeological protection measures, all governed by strict construction specifications and environmental compliance protocols. The scope includes clearing and grubbing, excavation support, drainage installation, topsoil application, seeding, and the construction of temporary access roads and river crossings as bid alternates. The work must adhere to federal standards, utilize materials with high recycled content as defined by ASTM and EPA guidelines, and follow sustainability requirements emphasizing minimal packaging and recyclable materials. Proposals must be submitted via email by August 6, 2026, in two electronic volumes addressing technical approach, project and personnel experience, management systems, past performance, and small business participation, with separate pricing documents in compliance with FAR requirements. The evaluation follows a best value continuum tradeoff process where technical merit and price are approximately equally weighted, favoring balanced, well-documented proposals that demonstrate realistic scheduling, risk mitigation, and qualified key personnel including a project manager, safety manager, and quality control manager. The contract imposes stringent administrative conditions, including mandatory use of the Invoice Processing Platform (IPP) for payment requests, with draft invoices required seven days in advance and a signed COR cover letter needed for final submission. Failure to receive the cover letter within seven days allows submission with the draft review email to meet Prompt Payment Act timelines. Contractors must have an active SAM registration with a Unique Entity ID and provide full representations regarding small business status, WOSB eligibility, and joint venture structure if applicable. The project must commence within ten days of notice to proceed and be completed within 365 days, with liquidated damages enforceable for delays and suspension of work governed by applicable FAR clauses. All materials require manufacturer certification, ISO 9000 compliance, or an equivalent inspection system, with off-site components subject to pre-fabrication inspection. The contracting officer holds sole authority to modify terms, while a designated Contracting Officer’s Representative will handle technical oversight. Performance is tied to detailed geotechnical recommendations, permit conditions, and archaeological protection protocols, ensuring preservation of cultural resources while achieving durable bank stabilization. Subcontractor payments must be certified, final payment requires a DI-13