NIGP 05572: Propane/Butane or Natural Gas Conversion Equipment

NIGP 05572 Propane/Butane Or Natural Gas Conversion Equipment, an Item code, covers the design, supply, installation, and commissioning of liquefied petroleum gas and natural gas infrastructure systems for state and local public facilities. Recent solicitations show state and local governments buying complete propane fueling systems for transit operations, natural gas main installation and relocation work, renewable natural gas upgrading systems, and propane supply with equipment furnishing and maintenance for school district operations. Issuing bodies span transit authorities, municipalities, counties, and school districts; Cobb County School District and Paulding County School District appear as joint buyers in the recent opportunities block, and Cherokee County Board of Commissioners and Dane County also solicit under this code. The work ranges from turnkey infrastructure buildouts to specialized equipment replacement and utility-grade gas system installation requiring API certification and operator qualifications.

Geographic activity appears concentrated in the Southeast and Midwest. Recent opportunities include Cherokee County Board of Commissioners (Canton, Georgia) soliciting design, supply, installation, and commissioning of a complete LPG fueling infrastructure system at a new transit facility, with proposals due October 29, 2026, via RFP; the City of Leesburg, Florida issuing an IFB for approximately 1,500 feet of 6-inch steel natural gas main installation and abandonment under U.S. Highway 27, with bids due November 5, 2025, and a mandatory pre-bid conference held October 15, 2025; Dane County (Madison, Wisconsin) soliciting replacement and upgrade of its Renewable Natural Gas facility including procurement, construction, and commissioning via negotiated professional services agreement, with proposals due September 3, 2026; and Cobb County School District and Paulding County School District jointly soliciting propane supply and equipment on an as-needed basis, with proposals due August 31, 2026.