The provisions of the 2018 International Mechanical Code are amended, deleted, or corrected as follows and the following provisions shall supersede the part of the text of the 2018 International Mechanical Code as indicated:
(1) Strike Chapter 1 in its entirety and substitute "Chapter 1 – Construction Code Administrative Provisions".
(2) In section 202 in the definition of "Code Official" strike "The officer or other designated authority charged with the administration and enforcement of this Code, or a duly authorized representative" and substitute "The Director of Inspections and Permits, or duly authorized representative, charged with the administration and enforcement of this Code".
(3) In section 202, after the definition of "Cooking Appliance" insert:
"Cooling System. A system in which heat is removed from air, surrounding surfaces, or both."
(4) In section 202, after the definition of "Discrete Product", insert:
"Domestic Refrigeration. A refrigeration system having a rating of less than five horsepower."
(5) In section 202, after the definition of "Electric Heating Appliance", insert:
"Electric Resistance Heat. Electric resistance heat includes baseboard heat, electric heat in room ceilings, electric heat in sidewalks and driveways, convective radiant heaters, and applications of heat developed by resistance elements. Electric resistance heat does not include duct work."
(6) In section 202, after the definition of "Heat Exchanger", insert:
"Heating System. A system in which heat is transmitted by radiation, conduction, or convection, or a combination of any of these, to air, surrounding surfaces, or both, except fireplaces and wood burning stoves not incorporated into or used as a primary heating system."
(7) In section 202, after the definition of "Hood", insert:
"Hydraulic System. A heating and cooling system using liquids to transmit or remove heat."
(8) In section 202, after the definition of "Purge", insert:
"Pursuit of the Mechanical Trade or Business. The act of installing, maintaining, or repairing air conditioning, heating, or refrigeration systems, excluding the transport of materials and equipment to the job site, the act of rigging for placement of equipment, the act of insulating components of the system, and the act of manufacturing and assembling such systems in a shop or manufacturing environment not on the job site."
(9) In section 306.3, after the last sentence and before the exceptions, insert:
"Access to the attic opening shall be provided by a permanent or pull down stairway in all new construction."
(10) In section 306.3, strike the exceptions in their entirety and substitute:
"Exception: In existing installations, portable ladders shall be acceptable."
(11) After section 312.1, insert:
"312.2 Outdoor design temperature. For the purposes of this Code the outdoor design temperatures shall be based upon 17 degrees F for heating and 89 degrees F for cooling."
(Bill No. 1-12; Bill No. 123-15; Bill No. 60-20)