The International Association of Plumbing and Mechanical Officials (IAPMO) has made the 2022 Uniform Plumbing Code (UPC) and Uniform Mechanical Code (UMC) 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 Anaheim, May 2-5, can download these documents from the following URLs:

• UPC: https://codes.iapmo.org/docs/2024/UPC/2022 UPC TC Meeting Monograph.pdf
• UMC: https://codes.iapmo.org/docs/2024/UMC/2022 UMC TC Meeting Monograph.pdf

The monographs contain every public comment submitted for the 2024 editions of the UPC and UMC as part of the code development process employed by IAPMO.

Topic areas for public comments to the UPC include: reference standards for plumbing fixtures; temperature limitations of appliances and fixtures; drinking water treatment systems; beverage faucets; water supply fixture branch pipe sizing; hangers and supports; material for building storm sewer pipe; fuel gas provisions; medical gas provisions; rainwater catchment systems; flexible water connectors; material requirements for water supply and distribution systems; tankless water heater connections; pitless wells; water softeners and water treatment systems; backflow prevention devices; sewer cleanouts; rehabilitation provisions for building sewer and sewer lateral piping; indoor horticulture facilities; roof drainage provisions; circuit venting provisions; recirculating pumps in healthcare facilities; septic tank construction; and Legionella and scalding risks.

Topic areas for public comments to the UMC include: installation requirements for listed appliances; clearance requirements for equipment and appliances; condensate control; various ventilation and exhaust system requirements (including health care facilities); smoke control systems; environmental and product conveying air ducts; Type I and Type II hoods; various provisions for air ducts and dampers; air balancing and air filtration requirements; Legionella risk management provisions; decorative appliances and fireplaces; air conditioning systems; refrigeration systems (including A2L); various hydronic system provisions; fuel gas piping; district geothermal energy systems; indoor horticultural facilities; professional qualifications; and requirements for operation, closure, and restarting of cooling towers.

For specific information about the UPC technical committee, contact Enrique Gonzalez at 909-230-5535, or e-mail enrique.gonzalez@iapmo.org. For the UMC technical committee, contact Zalmie Hussein at 909- 218-8122, or e-mail zalmie.hussein@iapmo.org.