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Home » April 17, 2015: IAPMO Releases 2015 Uniform Mechanical Code
HVAC Breaking News

April 17, 2015: IAPMO Releases 2015 Uniform Mechanical Code

Changes Made to Several Chapters

Breaking News
April 17, 2015
KEYWORDS IAPMO / International Association of Plumbing and Mechanical Officials / Uniform Mechanical Code
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ONTARIO, Calif. — The International Association of Plumbing and Mechanical Officials (IAPMO®) has released the hardcopy and digital versions of its 2015 edition of the Uniform Mechanical Code (UMC®). Both the hardcopy and eBook version, viewable on computers, tablets, and smartphones, can be purchased and downloaded via the IAPMO web store at www.iapmo.org.

Significant changes to the Uniform Mechanical Code include:

• New general requirements for condensate wastes and control, installation of appliances on sloped roofs, and clearances to combustible constructions (Chapter 3)

• New ventilation provisions, such as the classification of recirculated and transferred air, parking garages exhaust, and natural ventilation (Chapter 4)

• New exhaust provisions for clothes dryers, Type I hoods and grease ducts, dishwashing machines, and downdraft appliances (Chapter 5)

• New duct systems requirements for factory-made air ducts, plastic ducts, and for ducts used in underground installations (Chapter 6)

• New appliances provisions, such as electric duct heaters, electric ranges, refrigeration appliances, and ductless mini-split systems (Chapter 9)

• New refrigeration system requirements, such as the refrigeration concentration limit, ventilation for refrigeration machinery rooms, pressure vessels, and pressure relief valve discharge (Chapter 11)

• New hydronic systems provisions (Chapter 12)

First published by IAPMO in 1967, the UMC was developed to govern the installation and inspection of mechanical systems as a means of promoting the public’s health, safety, and welfare. Developed and subsequently republished at the conclusion of each three-year code cycle, the UMC is designed to provide consumers with safe mechanical systems while, at the same time, allowing latitude for innovation and new technologies.

For more information, visit www.iapmo.org.

Publication date: 4/13/2015

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