KNRI 257081¿ Knife River Indian Village National H

The National Park Service seeks firm-fixed-price construction services for riverbank stabilization at Knife River Indian Village National Historic Site in North Dakota, with sealed offers due August 20, 2026, at 1700 hours local time. This is unrestricted full and open competition with an estimated construction magnitude between $5 million and $10 million.

Place of performance is Knife River Indian Village National Historic Site near Stanton, North Dakota (Mercer County). The work involves stabilizing approximately 2.1 miles of actively eroding Elbee Bend riverbank to protect 64 archaeological sites. Construction includes channel excavation and reconstruction, subsurface rock toe protection, riprap installation (approximately 14,435 cubic yards), compacted embankment fills with 3:1 to 4:1 slopes, and site restoration with native seeding. The contractor must complete all work within 365 calendar days after notice to proceed, with liquidated damages set at $1,545 per day for delays. Performance and payment bonds at 100% penal amount are required within 10 calendar days of award.

The contractor must obtain all required permits, including NDPDES temporary dewatering and construction stormwater permits, Mercer County road approach and utility permits, and comply with the North Dakota Department of Water Resources Sovereign Land Permit. Work near water during April 15–June 1 may proceed only if protected by portadam systems with DWR approval. A Stormwater Pollution Prevention Plan is mandatory and must be submitted before the preconstruction conference. Construction surveying must be performed by a licensed North Dakota Land Surveyor. The three positions of Superintendent, Site Safety and Health Officer, and Quality Control Manager must be held by separate individuals with no dual-hatting permitted.

The NAICS code is 237990 (Other Heavy and Civil Engineering Construction); PSC is Y1QA. Prevailing wage applies per North Dakota Wage Determination ND20260040. The solicitation includes three base contract line items (Mobilization/Demobilization, River Embankment Stabilization, Site Restoration) and two optional line items (Topsoil and Erosion Control Work; Temporary Access Road and Temporary River Crossing).

Evaluation employs best value source selection with six technical factors equally weighted and equally important to price: Technical Approach and Schedule, Project Experience, Key Personnel Experience, Management Approach, Past Performance, and Small Business Participation. Small business subcontracting goals are 42% small business, 10% small disadvantaged business, 3% HUBZone, 3% Indian small business economic enterprises, 5% service-disabled veteran-owned, and 5% women-owned small business. Large business prime contractors must submit a subcontracting plan; small business prime contractors are exempt. Past performance may be documented using Final CPAR Evaluations or previously completed Past Performance Questionnaires. An offer guarantee is required. Proposals must provide at least 60 calendar days for government acceptance after the offer due date.