UNSPSC 25173700: Exhaust and emission controls

UNSPSC 25173700 Exhaust and emission controls is a Class code under which state and local governments procure emission monitoring instruments, exhaust evacuation systems, and related components for facility operations and environmental compliance. The County of Orange, California's OC Waste & Recycling division recently solicited Toxic Vapor Analyzer units with Photo Ionization Detector and Flame Ionization Detector capabilities, calibration kits, probes, and accessories via IFB 2992759905JDW (due December 10, 2024), while the California Department of Transportation (Caltrans) has posted multiple IFBs for removal and replacement of Exhaust Evacuation Systems at equipment shops. Issuing bodies under this code span county waste and recycling departments and state transportation agencies. The work involves furnishing and installing complete EES systems including motorized hose reels, motors, switches, ducting, wiring, fans, and pressure transducers, with removal and legal disposal of existing equipment.

Recent activity concentrates in California, where Caltrans issued IFB 32A0725 for Exhaust Evacuation System replacement at District 32 Equipment Shop 4 in San Leandro, Alameda County (due August 25, 2026, with a mandatory site inspection on August 14, 2026 and a $484,000 bid cap; 25% small-business participation goal with a 5% bid preference and mandatory 3% DVBE participation) and IFB 32A0730 for exhaust system removal and replacement in Humboldt County (due August 27, 2026). The Alameda County IFB requires prevailing wages for bids exceeding $15,000, a valid California Contractors State Licensing Board C-20, C-61/D-34, C-43, or B General Building Contractor license with appropriate subcontractor endorsement, Department of Industrial Relations registration for both prime and subcontractors, and completion within 90 business days of Notice to Proceed. The Orange County IFB applies Local Small Business and DVBE preferences certified by the State of California Department of General Services, requires $1,000,000 commercial general liability and automobile liability coverage, and is available to all Orange County departments and other governmental entities as a cooperative procurement with a 2 percent administrative rebate on subordinate contract sales.