The International Mechanical Code, 2018 edition, including appendix “A” (herein IMC) as adopted, is hereby amended as follows:
A. Chapter 1 "Scope and Administration" is amended as follows:
101.1 Title. Replace bracketed "[]" text with the following: "Ada County."
103.2 Appointment. Amend as follows:
The building official appointed by the County shall be the code official for purposes of enforcing this code.
103.4 Liability. Delete section in its entirety.
106.5.2 Fee schedule. Delete sentence and bracketed "[]" text and replace with the following:
The fees for mechanical permits shall be as adopted by the Board of Ada County Commissioners.
106.5.3 Fee refunds. Delete subsection and replace with new subsection 106.5.3 as follows:
106.5.3 Fee refunds. Refunds of fees may be authorized by the code official as set forth in the refund schedule as adopted by the Board of Ada County Commissioners.
108.4 Violation penalties. Delete paragraph and replace with the following:
Violations of the provisions or requirements of this code shall be subject to the penalties as set forth in Ada County Code, Title 7, Chapter 2.
108.5 Stop work orders. Amend section as follows:
Upon notice from the code official that mechanical work is being done contrary to the provisions of this code or in a dangerous or unsafe manner, such work shall immediately cease. Such notice shall be in writing and shall be given to the owner of the property, or to the owner's agent, or to the person doing the work. The notice shall state the conditions under which work is authorized to resume. Where an emergency exists, the code official shall not be required to give a written notice prior to stopping the work. Any person who shall continue any work on the system after having been served with a stop work order, except such work as that person is directed to perform to remove a violation or unsafe condition, shall be subject to the penalties as set forth in Ada County Code, Title 7, Chapter 2.
109 Means of appeal. Delete section in its entirety and replace with new section 109 as follows:
SECTION 109 MEANS OF APPEAL
109.1 General. Ada County Code, Title 7, Chapter 1 establishes the Ada County Building Board of Appeals. All appeals shall be heard pursuant to Ada County Code, Title 7, Chapter 1.
B. Chapter 2 Definitions.
Section 202 Definitions. Delete the Chapter 2 definitions of “Light-Duty Cooking Appliance” and “Medium-Duty Cooking Appliance” and replace with the following:
Light-Duty Cooking Appliance. Light-duty cooking appliances include gas and electric ovens (including standard, bake, roasting, revolving, retherm, convection, combination convection/steamer, countertop conveyorized baking/finishing, deck, pastry, and electric and gas conveyor pizza ovens), electric and gas steam jacketed kettles, electric and gas pasta cookers, electric and gas compartment steamers (both pressure and atmospheric) and electric and gas cheesemelters.
Medium-Duty Cooking Appliance. Medium-duty cooking appliances include electric discrete element ranges (with or without oven), electric and gas hot-top ranges, electric and gas griddles, electric and gas double sided griddles, electric and gas fryers (including open deep fat fryers, donut fryers, kettle fryers and pressure fryers), electric and gas tilting skillets (braising pans) and electric and gas rotisseries.
C. Chapter 4 "Ventilation" is amended as follows:
401.1 Scope. Add the following exception:
Exception: The principles specified in ASHREA 62-2010 may be used as an alternative to this chapter to demonstrate compliance with required ventilation air for occupants.
D. Chapter 5 "Exhaust" is amended as follows:
504.8.1 Material and size. Add the following exception:
Exception: Dryer duct may be constructed of 0.013 (30 gauge) or equivalent if prefabricated 0.016 (28 gauge) ducts and fittings are not available.
E. Chapter 6 "Duct Systems" is amended as follows:
Table 603.4 Duct Construction Minimum Sheet Metal Thickness for Single Dwelling Units. Add the following Exception to the Table as follows:
Exception: Round duct, enclosed rectangular ducts and fittings less than fourteen (14) inches may be constructed of 0.013 (30 gauge) or equivalent if prefabricated 0.016 (28 gauge) ducts and fittings are not available. (Ord. 498, 3-25-2003; amd. Ord. 592, 8-2-2005; amd. Ord. 678, 11-13-2007; amd. Ord. 725, 5-5-2009; amd. Ord. 728, 5-26-2009; amd. Ord. 748, 4-28-2010; amd. Ord. 781, 5-17-2011; amd. Ord. 817, 1-7-2014; amd. Ord. 836, 1-6-2015; amd. Ord. 879, 2-13-2018; amd. Ord. 919, 2-16-2021; amd. Ord. 935, 3-11-2022)