1. (a) The codes set out in this section are adopted in accordance with AS 18.60.705 as the minimum plumbing standards to be followed throughout the state, except as provided under AS 18.60.710 or 18.60.735. The department adopts the following codes by reference that are published by the International Association of Plumbing and Mechanical Officials (IAPMO):

   1. (1) Uniform Plumbing Code , 2018 edition, sections 101.0 - 103.2, 103.3.1 - 103.4, 105.0 - 105.2.2, and 105.3 - 106.6 of chapter 1, chapters 2 - 10, chapter 11 excluding the requirements of section 1101.5, chapters 12 - 17, and appendices A - L, with the following revisions:

      1. (A) Section 1210.2.3 (prohibited locations), of the Uniform Plumbing Code is amended by adding section 1210.2.3.1 to read: "1210.2.3.1. Liquefied petroleum gas piping may not serve any gas fired appliance located in a pit or basement where heavier than air gas might collect to form a flammable mixture.";
      2. (B) Section 612.2 (types of systems) of the Uniform Plumbing Code is revised to read: "This section shall apply to multipurpose wet-pipe sprinkler systems that do not include the use of antifreeze. A multipurpose fire sprinkler system shall provide potable water to both fire sprinklers and plumbing fixtures. A stand-alone sprinkler system shall be separate and independent from the potable water distribution system and must have a backflow preventer to separate it from the potable water distribution system. Stand-alone sprinkler systems are not subject to the remaining provisions of this section." ;
   2. (2) Uniform Swimming Pool, Spa and Hot Tub Code , 2018 edition, sections 101.0 - 103.2, 103.3.0, 103.4, 105.3 - 106.6, chapters 2 - 10, and appendices A - C;

   3. (3) Uniform Solar, Hydronics and Geothermal Code , 2018 edition, sections 101.0 - 103.2, 103.4, 105.2 - 105.2.2, 105.3 - 106.6, chapters 2 - 12, and appendices A - C.

      1. (b) Repealed 12/6/2003.

(Eff. 8/5/72, Register 43; am 7/12/81, Register 79; am 11/1/2000, Register 156; am 9/25/2002, Register 163; am 12/6/2003, Register 168; am 9/27/2008, Register 187; am 2/23/2011, Register 197; am 10/23/2014, Register 212; am 3/6/2016, Register 217; am 11/5/2017, Register 224: am 4/24/2020, Register 234)