18-28-607 Ducts and Air Transfer Openings.

   See Chapter 15-8 of this Code.

(Amend Coun. J. 11-9-16, p. 36266, § 36)

Article VII. Combustion Air (18-28-701 et seq.)

18-28-701 General.

18-28-701.1 Scope.

   The provisions of this article shall govern the requirements for combustion and dilution air for fuel-burning appliances.

18-28-701.2 Combustion and dilution air required.

   Every room or space containing fuel-burning appliances shall be provided with combustion and dilution air as required by this code. Combustion and dilution air shall be provided in accordance with Sections 702, 703, 704, 706 or 707 or shall be provided by an approved engineered system. Direct vent appliances or equipment that do not draw combustion air from inside of the building are not required to be considered in the determination of the combustion and dilution air requirements. Combustion air requirements shall be determined based on the simultaneous operation of all fuel-burning appliances drawing combustion and dilution air from the room or space.

(Amend Coun. J. 11-8-12, p. 38872, § 321)

18-28-701.3 Circulation of air.

   The equipment and appliances within every room containing fuel-burning appliances shall be installed so as to allow free circulation of air. Provisions shall be made to allow for the simultaneous operation of mechanical exhaust systems, fireplaces or other equipment and appliances operating in the same room or space from which combustion and dilution air is being drawn. Such provisions shall prevent the operation of such appliances, equipment and systems from affecting the supply of combustion and dilution air.

18-28-701.4 Crawl space and attic space.

   For the purposes of this chapter, an opening to a naturally ventilated crawl space or attic space shall be considered equivalent to an opening to the outdoors.