NIGP 94169: Pipeline Pressure Flushing Services

NIGP 94169 Pipeline Pressure Flushing Services, an Item code, encompasses trenchless pipeline rehabilitation, inspection, and cleaning services that state and local governments procure to restore and maintain wastewater and stormwater infrastructure without excavation. Recent solicitations show purchasing bodies acquiring cured-in-place pipe (CIPP) lining, machine spiral wound liner (MSWL) technology, spincast pipe lining, closed-circuit television (CCTV) inspection systems, sewer cleaning equipment, and related maintenance and parts support to rehabilitate aging gravity systems, laterals, and collection lines across diameters from 12 to 120 inches. Issuing bodies include city departments of watershed management and water utilities (Atlanta, Dallas, Alpharetta), county water authorities, and municipal engineering departments. Solicitation types range from RFPs for on-call services to IFBs for equipment procurement to competitive sealed proposals for specific infrastructure projects.

Geographic activity spans Texas, Florida, and Georgia, with recent opportunities concentrated in Dallas Water Utilities, the City of Dallas, Dallas County, Orange County Florida, the City of Atlanta Department of Watershed Management, and the City of Alpharetta. Representative recent solicitations include Dallas Water Utilities' ESWTP Residuals Handling Improvements Phase II (sealed bid, due July 10, 2026) for residuals bypass pipeline construction and mechanical upgrades at a water treatment plant; Dallas County's 60" Wastewater Rehabilitation from Trinity River to Rochester SWPS (competitive sealed proposal, due June 5, 2026) for trenchless rehabilitation of approximately 5,150 linear feet of 1950s-era reinforced concrete pipe using MSWL and CIPP technologies; the City of Alpharetta's RFP 26-115 On-Call Pipe Lining Services (proposals due May 28, 2026) for up to two contractors specializing in CIPP and spincast methods across over 500 identified storm drainage pipes; and the City of Atlanta Department of Watershed Management's IFB for color video pipeline inspection systems, sewer cleaning equipment, and maintenance support (due June 23, 2026). Dallas County projects mandate Small Business Enterprise participation and local vendor preferences; Alpharetta applies a three-percent local vendor preference. Most contracts require comprehensive insurance, bonding, and compliance with prevailing wage or living wage standards.