UNSPSC 47101578: Auxiliary plant and component

Any plant that forms part of a land-use system and provides a service and/or a product that is secondary to the main outputs of a system, can be classified as an auxiliary plant.

UNSPSC 47101578 Auxiliary plant and component (Commodity) covers electrical components—switches, contact kits, fuses, power converters, and related assemblies—that state and local governments procure for infrastructure maintenance, facility upgrades, and operational support. Recent opportunities show jurisdictions buying network switch installation services, NEMA contactors for water systems, mercury float switches for pump control, solenoid lock switches for transit equipment, and brand-specific components (Square D, Schneider Electric) for standardized system compatibility.

Issuing bodies span city departments (Atlanta Aviation, City of Dallas, City of Charlotte), counties (Hillsborough, Dallas), transit authorities (DART, OCTA, Charlotte Area Transit System), school districts (Northside Independent, Gordon County, Bibb County, Eugene School District 4J), state agencies (Florida, Texas Department of Criminal Justice), and cooperative purchasing vehicles (Sourcewell for multi-state law enforcement procurement). Transit authorities and water resource departments are repeat buyers seeking components for SCADA control, pump automation, and communications infrastructure. Recent activity concentrates in Texas (DART solicitations, TDCJ, Dallas), Florida (Hillsborough County water and electrical equipment), Georgia (Bibb County schools, Gordon County schools), and North Carolina (Charlotte). Representative opportunities include the City of Atlanta, Department of Aviation posting an IFB for network switch replacement labor and installation (response due August 3, 2026); Hillsborough County Water Resources posting competitive sealed bids for mercury float switches and Square D contact kits (responses due March 2 and February 24, 2026, respectively, totaling $244,000 estimated value over two years); Northside Independent School District (San Antonio) issuing an IFB for electrical equipment, parts, supplies, and services (response due July 1, 2026); and Bibb County Public Schools issuing an RFP for network switch installation across 45 locations with E-Rate funding (response due March 2, 2026, mandatory pre-bid February 11).