NIGP 83073: Steel Tanks, Water Works Type, Elevated and Tower

NIGP 83073 Steel Tanks, Water Works Type, Elevated and Tower (Item) covers construction, rehabilitation, painting, inspection, and repair services for elevated water storage tanks procured by municipal water utilities, special water districts, county utilities departments, and state agencies. State and local governments use this code to solicit comprehensive tank rehabilitation including surface preparation and recoating, structural repairs, internal and external cleaning and inspection using manual and robotic methods, valve replacement, overflow pipe repair, coating system restoration, electrical upgrades, instrumentation installation, and emergency maintenance under term or as-needed contracts. Recent solicitations reflect elevated storage tanks ranging from 200,000 gallons to 2.5 million gallons, with work scopes encompassing interior and exterior coating applications, sediment removal via vacuum recovery, dive-team-based cleaning with surface-supplied air systems, tank disinfection, and integration with active mixing or chloramine boosting systems. Issuing bodies include municipal water utilities (City of Arlington, City of Reynolds, City of Florence), county-level utilities (Seminole County Utilities, Charles County Board of Commissioners, Pasco County Board of County Commissioners), independent water associations (Union Church Water Association, Calhoun Water Association, Diamondhead Water and Sewer District), state departments (California Department of Corrections and Rehabilitation), and special districts (Public Service Commission of Yazoo City, Town of Mooresville). Notices typically appear as ITB, IFB, and RFP with response windows of two to twelve weeks.

The code sees active procurement across the South (Mississippi, Georgia), Mid-Atlantic (Maryland), Southwest (Texas, Arizona), and West Coast (California). Representative recent opportunities include the California Department of Corrections and Rehabilitation's statewide water tank cleaning, maintenance, inspection, and repair IFB (C5613111-D, Rebid 1) due September 9, 2026, covering 32 locations with mandatory 25% small-business participation; the City of Arlington, Texas rehabilitation of the Collins 2.5 MG elevated storage tank (IFB due August 20, 2026) encompassing interior coating, electrical upgrades, and instrumentation; Charles County, Maryland's installation of a 15,000-gallon horizontal reverse osmosis reject-water tank (ITB 27-003, bids due August 25, 2026) subject to 33.55% MWBE subcontractor participation goals; Diamondhead Water and Sewer District's painting and repair of Water Tower No. 1 (500,000-gallon pedesphere tank, sealed bids due September 10, 2026); County of Orange, California Sheriff-Coroner's testing, insulation, and repair of boilers and water heaters (RFP, questions due October 9, 2026) with 5% OCLSB/DVBE and 8% dual-certification price preference; and Calhoun Water Association's potable water tank rehabilitation (two elevated tanks, 75,000- and 200,000-gallon capacity, bids due June 5, 2026) subject to Build America, Buy America Act requirements. Prevailing wage, bond requirements, and MWBE/small-business participation objectives appear frequently; mandatory site visits, pre-bid conferences, and security clearance requirements are common. Contract terms typically run 270–365 days with performance and payment bonds at 100% of contract value.