Written by IAPMO 10:08 am Code News, Industry News

IAPMO Makes Three Tentative Interim Amendments (TIA) Available for Public Comment

In accordance with the IAPMO Regulations Governing Committee Projects, IAPMO would like to announce that a Tentative Interim Amendment (TIA) to the 2018 edition of the Uniform Plumbing Code (UPC®) and two TIAs to the 2018 edition of the Uniform Mechanical Code (UMC®) are being submitted for public comment.

TIA UPC 003-18 revises text in UPC Section 214.0 and 417.6 regarding low-pressure water dispensers. The comment form is located HERE.

TIAs UMC 006-18 and UMC 007-18 revise text in UMC Chapter 11 regarding A2L refrigerants in correlation with updates to ASHRAE 15 for machinery rooms and human comfort. The comment forms are located at these links:

IAPMO invites all interested parties to review the proposed TIAs on the IAPMO website under Uniform Plumbing Code / Proposed TIAs and Uniform Mechanical Code / Proposed TIAs and respond by filling out the comment forms.

The deadline to submit comments is Nov. 1.

Completed forms for the UPC may be emailed to Enrique Gonzalez, Plumbing Code Development Administrator, at enrique.gonzalez@iapmo.org or faxed to the Codes Department at (909) 472-4246.

Completed forms for the UMC may be emailed to Zalmie Hussein, Mechanical Code Development Administrator, at zalmie.hussein@iapmo.org or faxed to the Codes Department at (909) 472-4246.


IAPMO develops and publishes the Uniform Plumbing Code®, the most widely recognized code of practice used by the plumbing industry worldwide; Uniform Mechanical Code®; Uniform Swimming Pool, Spa and Hot Tub Code®; and Uniform Solar Energy, Hydronics and Geothermal Code — the only plumbing, mechanical, solar energy and swimming pool codes designated by ANSI as American National Standards — and the Water Efficiency Standard (WE-Stand)™. IAPMO works with government, contractors, labor force, and manufacturers to produce product standards, technical manuals, personnel certification/educational programs and additional resources in order to meet the ever-evolving demands of the industry in protecting public health and safety.

Last modified: December 30, 2022