NIGP 55830: Locomotives, Diesel

NIGP Item 55830 Locomotives, Diesel covers mid-life and component overhauls, modernization of fleet systems, and procurement of catenary conductors and related rail infrastructure components to support passenger and commuter rail operations. State and local governments soliciting under this code include state departments of transportation, regional transit authorities, and specialized rail authorities operating commuter and intercity passenger fleets. Recent activity centers on comprehensive locomotive overhaul services restoring mid-life units to operational readiness, overhaul of truck and braking systems on streetcars, and system modernization projects targeting HVAC, door, and electrical systems on bi-level commuter rail rolling stock.

The California Department of Transportation, California High-Speed Rail Authority, Charlotte Area Transit System, and Utah Transit Authority represent the current issuing body mix, with activity concentrated in California and Utah. The California Department of Transportation issued IFB 75A0605 on October 1, 2026, for comprehensive mid-life overhaul of 13 F59PHI-style locomotives with bids due December 22, 2026, requiring a 25 percent small business participation goal and a 5 percent DVBE participation requirement; work is performed in Oakland, Monday through Friday, 7:00 a.m. to 5:00 p.m., with a contract term running April 1, 2027, through December 31, 2030. The California High-Speed Rail Authority released IFB HSR26-28 on October 2, 2026, to procure overhead contact system copper conductors for the First Construction Segment, with bids due November 13, 2026, requiring 25 percent small business participation inclusive of 3 percent micro-business and 10 percent disadvantaged business enterprise participation goals and a combined not-to-exceed value for all materials procurements estimated at $507.1 million. Charlotte Area Transit System solicited proposals for CATS IV Streetcar truck overhauls due October 20, 2026, covering truck, hydraulic, and braking system maintenance to original equipment manufacturer specifications. Utah Transit Authority issued RFP 2604043TD in April 2026 for HVAC unit overhaul and modernization on 38 Bombardier Bilevel commuter rail vehicles with proposals due May 25, 2026, and contract term through December 31, 2030, employing 70 percent technical and 30 percent price best-value evaluation methodology.