The International Association of Plumbing and Mechanical Officials has made the 2018 Uniform Plumbing Code and Uniform Mechanical Code Technical Committee Meeting Monographs available for download.

All individuals anticipating an active role in the ANSI-accredited consensus development of the Uniform Codes at the technical committee meetings in Ontario, Calif., May 15-18, will want to download these documents in Adobe PDF format from the following URLs:

UPC: http://codes.iapmo.org/docs/2018%20UPC%20TC%20Meeting%20Monograph.pdf

UMC: http://codes.iapmo.org/docs/2018%20UMC%20TC%20Meeting%20Monograph.pdf

Hardcopy versions will not be available at the meetings.

The Technical Committee Meeting Monographs contain every code change proposal submitted for the 2021 editions of the UPC and UMC as part of the American National Standards Institute (ANSI)-accredited consensus code development process employed by IAPMO.

Topic areas for proposed changes to the UPC include: new reference standards for plumbing fixtures; introduction of new novel products; temperature limitations of fixtures; floor drain requirements for commercial sinks; seismic provisions for gas appliances and equipment; material requirements for water supply and distribution systems; water softeners and water treatment devices; material requirements for drain, waste and vent piping and fittings; backflow prevention devices; sewer cleanouts; assemblies and methods; rehabilitation provisions for building sewer and sewer lateral piping; fuel gas piping material and fitting requirements and test pressure; storm drain material requirements; gray water diversion valves; new engineered roof drainage provisions; circuit venting provisions; healthcare facilities; and legionella risk management provisions.

Topic areas for proposed changes to the UMC include: Installation requirements for listed appliances; guard requirements for roof installations of equipment and appliances; clearance requirements for equipment and appliances; condensate control; transient and nontransient ventilation requirements; carbon monoxide and carbon dioxide detectors for enclosed parking garages; environmental and product conveying air ducts; Type I and Type II hoods; various provisions for air ducts such as factory-made, thermoplastic and fiberglass reinforced plastics (frp); legionella risk management provisions; decorative appliances; air conditioning systems; refrigeration systems; various hydronic system provisions; fuel gas piping material and fitting requirements and test pressure; and new open- and closed-loop geothermal energy systems provisions.