ID-kootenai NWR-bunkhouse concrete patio

The US Fish and Wildlife Service seeks a firm fixed-price construction contract for a concrete patio at Kootenai National Wildlife Refuge in Bonners Ferry, Idaho, with quotations due July 30, 2026, at 9:00 AM local time. The procurement is set aside for small business concerns. Construction magnitude is less than $25,000.

Place of performance is 116 Service Lane, Bonners Ferry, Idaho 83805. The base bid requires site preparation, form building, and pouring a 26 feet by 12 feet concrete patio with steps from a sliding glass door, an ABA-accessible ramp (1:12 slope, 60 inches long, 47 inches wide) connecting to the existing sidewalk with handrail, and additional steps from a second bedroom sliding glass door. Option 1 covers demolition and disposal of an existing wood deck. Concrete specifications require a minimum 5-inch slab thickness with welded wire fabric reinforcement (6 inches by 6/6 gauge), 6 inches of compacted aggregate base, compliance with ACI 318 standards and International Residential Code Section R506, and 3,500 psi for slabs exposed to freezing and thawing. The exterior perimeter must be turned down 12 inches below finish grade with broom finish and control joints spaced no more than 10 feet apart.

Period of performance runs June 15, 2026, through May 30, 2027, with work scheduled Monday through Friday, 8:00 AM to 4:30 PM. Contractors must comply with Davis-Bacon wage rates and submit certified payrolls. NAICS code is 238990, All Other Specialty Trade Contractors; PSC is Z2EZ. Award is lowest price fair and reasonable from a responsible offeror. Quotations are subject to a 60-calendar-day acceptance period. Amendment 1, posted July 22, clarified that the step outside the sliding door requires a minimum tread depth of 10 inches per Idaho building code and should not be interpreted as a landing extension. Offerors must acknowledge receipt of Amendment 1 prior to submission.