NIGP 89047: Mixing and Agitation Equipment

NIGP 89047 Mixing and Agitation Equipment (Item) encompasses the supply and replacement of mixing, agitation, and aeration equipment and components used in water treatment, wastewater treatment, and digester applications across state and local facilities. State and local governments procure under this code replacement parts for proprietary mixer systems (Eimco, Invent, WesTech dual-shaft drive units), new aeration diffuser assemblies and air distribution manifolds, and comprehensive maintenance and installation services for treatment basin mixing infrastructure. Issuing bodies include state departments (California Department of Water Resources), county utilities and water departments (Pinellas County Utilities, Collier County, Ware County, Marion County, Hillsborough County), city water and wastewater treatment authorities (City of Goodyear, City of Holly Hill), and special water reclamation facilities. Water treatment plant operators and wastewater treatment facility managers are repeat solicitors under this code, often managing aging infrastructure requiring mixer equipment replacement or rehabilitation to maintain treatment capacity.

Recent activity spans California, Florida, Georgia, and Arizona. Representative opportunities include the California Department of Water Resources IFB #10220465 for comprehensive water treatment system services (inspection, testing, maintenance, repair, replacement, and installation) across State Water Project facilities, with bids due August 18, 2026; Collier County's sealed-bid construction project for lime softening improvements including a new reinforced concrete blend tank with chemical injection systems and instrumentation (estimated $3.29 million, bids due July 1, 2026); Pinellas County Utilities' ITQ 26-0647 for Invent mixer parts and accessories with a June 30, 2026 deadline; and the City of Goodyear's IFB 26-0142 for anaerobic digester tank rehabilitation or replacement at the Corgett Water Reclamation Facility with bids due May 14, 2026. Several procurements are sole-source or proprietary-parts-driven acquisitions (Marion County's Eimco mixer components, Holly Hill's WesTech drive shaft, Hillsborough County's $6.6 million five-year equipment and parts contract with DXP Enterprises for twelve original equipment manufacturers' products), reflecting the capital-intensive, equipment-specific nature of treatment infrastructure maintenance.