Section 15A-3-401 - General provisions(1) The amendments in this part are adopted as amendments to the IMC to be applicable statewide.(2) In IMC, Section 505.4, a new subsection 505.4.1 is added as follows: "505.4.1 Makeup Air. Makeup air is not required in residential dwelling units where gas, liquid, or solid fuel-burning appliances located within a units air barrier are all direct-vent or use a mechanical draft venting system."(3) In IMC, Section 1004.2, the first sentence is deleted and replaced with the following:" In accordance with Title 34A, Chapter 7, Safety, and requirements made by rule by the Labor Commission, boilers and pressure vessels in Utah are regulated by the Utah Labor Commission, Division of Boiler, Elevator and Coal Mine Safety, except those located in private residences or in apartment houses of less than five family units. Boilers shall be installed in accordance with their listing and labeling, with minimum clearances as prescribed by the manufacturer's installation instructions and the state boiler code, whichever is greater."(4) In IMC, Section 1004.3.1, the word "unlisted" is inserted before the word "boilers".(5) In IMC, Section 1209.3, the following words are added at the end of the section: "or other methods approved for the application."Amended by Chapter (number not assigned at time of publication), 2024 General Session ,§ 9, eff. 7/1/2024.Amended by Chapter 20, 2019 General Session ,§ 24, eff. 7/1/2019.Amended by Chapter 14, 2017 General Session ,§ 1, eff. 3/14/2017.Amended by Chapter 249, 2016 General Session ,§ 32, eff. 7/1/2016.Amended by Chapter 100, 2014 General Session ,§ 1, eff. 7/1/2014.Amended by Chapter 297, 2013 General Session ,§ 27, eff. 7/1/2013.Enacted by Chapter 14, 2011 General Session