§ 7-7-2 AMENDMENTS TO THE 2018 INTERNATIONAL MECHANICAL CODE.
   (A)   Section 101.1 of the 2018 International Mechanical Code is amended to read, in its entirety, as follows:
      101.1 Title. These regulations shall be known as the Apache Junction Mechanical Code, hereinafter referred to as “this code.”
   (B)   Sections 101.2 through 110.4 inclusive are deleted in their entirety. See Vol. I, Chapter 7, Article 7-1, Division of Building Safety and Inspection Administrative Code.
   (C)   Section 307.2.2 Drain pipe materials and sizes shall be amended as follows:
      Add new subsection 307.2.2.1 Exterior condensate piping. Condensate disposal lines run on top of roofs, or on the exterior walls of a building shall be rated for ultraviolet exposure and elevated temperatures. Where piping is manifolded together accommodations for expansion and contraction shall be made to prevent damage or breakage.
   (D)   Delete Section 309.1 and replace with the following:
      309.1 Equipment and systems. Interior spaces intended for human occupancy shall be provided with heating per Section 309.1.1 and cooling per Section 309.1.2.
         309.1.1 Heating
         Heating facilities shall be provided, capable of maintaining room temperature at 68°F (20°C) in all habitable rooms, bathrooms and toilet rooms, based on the winter design temperature of 34°F (01°C) for Phoenix, per Appendix D of the International Plumbing Code. Cooking appliances shall not be used to provide space heating to meet the requirements of this section.
         Exceptions: Heating systems are not required for:
            1. Interior spaces where the primary purpose of the space is not associated with human comfort.
            2. Group F, H, S or U occupancies.
         309.1.2 Cooling
         Cooling facilities shall be provided, capable of maintaining room temperature at 85°F (29°C) in all habitable rooms, bathrooms and toilet rooms, based on the summer design temperature of 107°F (42°C) for Phoenix, per Appendix D of the International Plumbing Code.
         Exceptions: Cooling systems are not required for:
            1. Interior spaces where the primary purpose of the space is not associated with human comfort.
            2. Group F, H, S or U occupancies.
   (E)   Delete and replace 402.1 Natural ventilation with the following:
      402.1 Natural ventilation. Natural ventilation of an occupied space in residential buildings shall be through windows, doors, louvers or other openings to the outdoors. The operating mechanism for such openings shall be provided with ready access so that the openings are readily controllable by the building occupants. Natural ventilation of commercial buildings shall be through permanently fixed openings to the outdoors.
   (F)   Add new Section 407.2 Special Inspection.
      Section 407.2 Special Inspection. Mechanical systems designed and installed in accordance with ASHRAE 170-2017 shall be verified by a qualified third party Special Inspector. The Special Inspector/testing agency shall be an independent third party individual or firm and shall not be the installing contractor. A report shall be generated by the third party individual or firm showing compliance. Special inspections shall be as specified in Chapter 17 of the International Building Code as amended.
   (G)   Add new Section 408 MARIJUANA RELATED OCCUPANCIES as follows:
      Section 408 MARIJUANA RELATED OCCUPANCIES
         408.1 General. Any building used to cultivate, produce, infuse or dispense marijuana shall be designed such that there shall be no emission of dust, fumes, vapors, or odors into the environment from the premise. A ventilation system shall be designed to prevent the distribution of odors to other occupied parts of the building or adjacent properties. Design of the odor control system shall be based on accepted engineering practices. All equipment and filter media shall be listed and labeled for the application. Exhaust systems used in odor control systems shall meet the requirements of Section 501.
            408.1.1 Exhaust outlets. The termination point for exhaust outlets shall be in accordance with Section 501.3. Exhaust from cultivation and production facilities shall be in accordance with Section 501.3.1(2) and for dispensaries in accordance with Section 501.3.1(3).
   (H)   Add new Section 502.21 Storage and use of liquid carbon dioxide (CO2) systems as follows:
      Section 502.21 Storage and use of liquid carbon dioxide (CO2) systems. Insulated liquid carbon dioxide (CO2) systems with more than 100 pounds (45.4 kg) of carbon dioxide used in beverage dispensing applications shall comply with Fire Code Section 5307.3.
(Am. Ord. 1273, passed 9-5-2006; Am. Ord. 1475, passed 6-19-2019)