RFP Stephenson Taylor Water Line Extension

The Indian Health Service Division of Engineering Services, Seattle is soliciting proposals under a 100 percent Indian Small Business Economic Enterprise (ISBEE) set-aside for construction of a water line extension for Caddo County Rural Water District No. 3 in Caddo County, Oklahoma under RFP 75H70126R00038, with proposals due August 19, 2026 at 2:00 p.m. Pacific Time and a mandatory site visit on July 24, 2026 at 10:00 a.m. Central Time. Only ISBEE-certified firms with a NAICS size standard of $45 million or less may compete.

The scope is water line construction including 2" DR11 HDPE water pipe (10,940 linear feet), 4" directional boring for crossings (815 linear feet), 4" DR11 HDPE casing for crossings (870 linear feet), rock excavation (100 cubic yards), tracer wire installation (10,940 linear feet), gate valves, tapping saddle fittings, tracer wire locate stations, air relief valves, flush hydrants, and imported backfill. The RFP includes base contract line items and optional contract line items for water meters, additional tapping saddles, and service line appurtenances. Pricing is on a lump-sum basis with individual unit costs for line items. The contractor must include all applicable state and local taxes and fees in pricing.

The anticipated construction value is between $250,000 and $500,000. The contractor must commence work within 10 calendar days of receiving notice to proceed and complete all work within 90 calendar days. Performance and payment bonds are required. Construction wage rates under FAR 52.222-6 apply to all labor; payroll documentation must be submitted weekly. The contractor must maintain a competent superintendent on site at all times and comply with OSHA and local safety requirements. All work must comply with facility-specific policies, with the contractor bearing ultimate responsibility for site safety. Progress payments will be made monthly or more frequently, with final payment within 30 calendar days of receipt of a properly executed invoice accompanied by a Release of Claims form.