NIGP 659: Pipe and Tubing Fittings

NIGP 659 Pipe and Tubing Fittings, Class, covers the supply of diverse piping systems and fittings that state and local governments procure for water distribution, wastewater management, stormwater drainage, irrigation, and specialized chemical delivery applications. Recent solicitations show state and local buyers acquiring corrugated aluminum culvert pipe, ductile iron pipe, PVC and HDPE water mains, chemical-resistant plastics for sodium hypochlorite injection systems, storm drain liners, and miscellaneous industrial fittings across diameters ranging from 0.75 inches to 84 inches. Issuing bodies span special districts (St. Johns River Water Management District in Florida, Gainesville Regional Utilities in Florida, Ashley Valley Water & Sewer Improvement District in Utah), municipalities (cities of Phoenix, South Jordan, Meriden, Sarasota, Cambridge, Framingham, Palm Bay, Santa Cruz, Owensboro), counties (Orange County and San Mateo County), water authorities (Tucson Water, Madisonburg Water Works, West Basin Municipal Water District), transit authorities (Metropolitan Transportation Authority in Maryland), and state departments (Delaware Department of Transportation, Oregon Department of Transportation). The City of Phoenix Public Works Department and its aviation division emerged as repeat buyers, conducting separate ITBs for industrial pipe and miscellaneous fittings supply contracts spanning three years with renewal options.

Recent opportunities cluster heavily in the Southwest, Southeast, and Mid-Atlantic regions. The St. Johns River Water Management District (Florida) issued ITB17217 for corrugated aluminum pipe culverts due October 27, 2026, with a $45,000 budget and delivery by February 5, 2027. The City of South Jordan (Utah) posted IFB 2026030 for storm drain pipe lining—UV-cured CIPP within corrugated metal pipe—due October 21, 2026. The City of Phoenix Public Works Department solicited supply of HDPE and PVC pipe, fittings, and hand tools under IFB 27-SW-0447, a three-year contract commencing December 1, 2026, with two optional one-year extensions. The Delaware Department of Transportation issued separate ITBs for reinforced concrete pipe (DOT2618-RE_CONPIPE, bids due October 6, 2026) and HDPE pipe (DOT2617HDPYEPIPE, bids due September 22, 2026) across four geographic districts. Madisonburg Water Works (Pennsylvania) awarded the chlorine contact piping project to All-Terra Construction, Inc., at $696,232 following a September 8, 2026 deadline. Work is geographically dispersed across Florida, Utah, Arizona, Delaware, Pennsylvania, California, Massachusetts, Texas, and Oregon, with no single state dominating the code's activity.