UNSPSC 31311506: Non metallic welded or brazed pipe assemblies

UNSPSC 31311506 Non metallic welded or brazed pipe assemblies is a Commodity code that covers plastic and composite pipe products—primarily HDPE, PVC, and related polymeric piping systems—that state and local governments procure for water distribution, sewer collection, stormwater management, and related utility infrastructure. Recent solicitations show municipalities and water authorities buying these products both as standalone supplies for annual requirements contracts and as components within larger capital infrastructure projects involving pipeline installation, replacement, and system upgrades.

Water utilities and county/city public works departments dominate the issuing-body mix, with representative recent activity spanning Florida, Georgia, South Carolina, Connecticut, Massachusetts, Texas, and California. The City of Phoenix Public Works Department issued IFB 26SW0379 (due August 12, 2026) for an as-needed three-year supply contract for HDPE pipe ranging 1.5 to 24 inches and PVC pipe 0.75 to 4 inches, with 24–48-hour delivery and local inventory maintenance required. Barnwell County, South Carolina solicited waterline replacement work under IFB 2027IFB001 (due August 4, 2026) specifying installation of eight-inch and four-inch water mains with associated fittings and isolation valves. The City of Arlington Water Utilities Department issued an annual requirements contract (Solicitation 26-0226, due May 21, 2026) for HDPE pipe in five specifications totaling 49,000 linear feet across diameters 6 to 16 inches, priced on F.O.B. Delivered basis with firm pricing and CPI-capped annual adjustments. Orange County, Florida's Sewer Pipes and Fittings IFB Y26-126 (updated due date January 22, 2026) encompasses 56 line items of PVC and ductile iron products with an estimated five-year spending total of approximately $28.7 million, awarded on a percentage-discount-from-MSRP basis with a Service Disabled Veteran Business preference tier applied. Water authority and county water-resources department repeat buyers include Gwinnett County, Georgia (stormwater pipe procurement BL079-26, due May 19, 2026), Notla Water Authority and Beaufort-Jasper Water & Sewer Authority in Georgia and South Carolina respectively, and municipal water departments in cities ranging from small towns (Hogansville, Georgia; Cairo, Georgia) to large metros (Phoenix; Arlington, Texas). Geographic concentration is heaviest in the Southeast—particularly Georgia, South Carolina, and Florida—with secondary activity in Texas, California, Connecticut, and Massachusetts. Delivery timelines are typically 14 days or faster, with some as-needed contracts requiring 24–48-hour turnaround; all pricing is quoted F.O.B. Destination or F.O.B. Delivered with freight prepaid by the supplier.