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C401.2.4 Other commercial building types. Commercial building types not <br />included above shall comply with the Prescriptive Compliance option, which <br />requires compliance with Sections C401.3, C401.4, C402 through C406, and <br />C408. <br />Exception: Additions, alterations, repairs, and changes of occupancy to <br />existing buildings complying with Chapter 5. <br />3. Section C403.2 System design is modified as follows: <br />C403.2 System design. Mechanical systems shall be designed to comply with Sections <br />C403.2.1 through rc403.2.3 C403.2.4. Where elements of a building's mechanical <br />systems are addressed in Sections C403 through C403.14, such elements shall comply <br />with the applicable provisions of those sections. <br />4. Section C403.2.4 Space heating equipment is added as follows: <br />C403.2.4 Space heating equipment. Fossil -fuel wa -m air s•,.,,. ee appliances <br />and electric resistance space heating equipment shall not be permitted for space <br />heating. <br />Exceptions: <br />1. Emergency backup. Where it is required by an gpplicable law or regulation to <br />provide space heating with an emergency power system or a standby power <br />system. <br />2 her-e e€n/sa. ft. wntilationr-eg uicemen-ts-resulf in eonditions mere -the <br />reasonably be met. without eombustion simee heatin <br />2 3-. Certain make-up air systems. Electric resistance in make-up air systems <br />where energy recovery ventilation is prohibited by the International Mechanical <br />Code. <br />4: Supplementary heat. Electric resistance heat used for supplementary heat in <br />accordance with Section C403.4.1.1 <br />4 -5-. Electric resistance budget. In addition to any exceptions in this section. Ip <br />up to 5 W of electric resistance space heating per square foot of conditioned floor <br />area in the building, not including supplementer <br />Electric resistance heating elements integrated into heat pump equipment. <br />5. h-. Integrated units. Electric resistance heating elements integrated into heat <br />pump equipment. <br />6. 7, Heated plenums. Electric resistance in heated plenums. <br />7. Temporary systems. Temporary electric resistance heating systems are <br />permitted where serving future tenant spaces that are unfinished and <br />unoccupied. provided that the heating equipment is sized and controlled to <br />