NIGP 81522: Gaskets: Flange, Handhole and Manhole, All Types

NIGP 81522 Gaskets: Flange, Handhole And Manhole, All Types is an Item code that covers specialized sealing components for water infrastructure, municipal piping systems, and related industrial applications. State and local governments procure these gaskets for maintenance, repair, and capital projects affecting water distribution, wastewater treatment, and public utilities. The issuing bodies span water districts, municipal departments of public works, and utility authorities that manage aging or expanding pipe networks and treatment facilities.

Recent activity reflects procurement by regional water authorities and city public works departments, with the North Texas Municipal Water District Maintenance Department and the City of Jackson Department of Public Works appearing in the posted opportunities. Geographic spread includes Texas and Michigan in the most recent postings, with activity concentrated among special-purpose water districts and municipal utilities in the South and Midwest. Representative recent opportunities include North Texas Municipal Water District's bid for welding equipment (Solicitation 26163B, due July 29, 2026) and the City of Jackson's RFP for ready-mix concrete and concrete accessories including manhole components (Solicitation 2026PUBLICWORKS021, due June 18, 2026)—though the latter opportunity encompasses a broader materials scope beyond gaskets alone.