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Home » IAPMO Standards Council Issues TIA UMC-005-15

IAPMO Standards Council Issues TIA UMC-005-15

September 5, 2017
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The IAPMO Standards Council issued a Tentative Interim Amendment (TIA) amending the 2015 edition of the Uniform Mechanical Code (UMC). TIA UMC-005-15 revises UMC Section 603.4.1 Length Limitation to add the sentence, “Flexible air ducts shall be permitted to be used as an elbow at a terminal device.”

The TIA was balloted through the Mechanical Technical Committee, in accordance with the Regulations Governing Committee Projects, to determine if there existed the necessary three-fourths majority support on technical merit and emergency nature to establish the recommendation for issuance.

TIAs are proposals based on the determination of an emergency nature requiring prompt action to amend code that contains an error or omission that was overlooked during the regular code development process, contains a conflict within the document or with another IAPMO document, or to correct a hazard, promote an advancement in safeguarding the public or provide an opportunity to correct an adverse impact on a product or method of installation. In the case of TIA UMC-005-15, the letter ballot passed on both accounts.

In determining whether or not to issue a TIA, the Standards Council looks to the Technical Committee letter ballot for a recommendation of support.

Visit www.iapmo.org

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