18-28-917.5.3 Clearance for unlisted appliances.

   Unlisted food service hot plates and griddles shall be installed with a horizontal clearance from combustible material of not less than 18 inches (460 mm). Unlisted gas food service counter appliances, including coffee brewers and urns, waffle bakers, and hot water immersion sterilizers, shall be installed with a horizontal clearance from combustible material of not less than 12 inches (300 mm). Unlisted food and dish warmers shall be installed with a horizontal clearance from combustible material of not less than 6 inches (150 mm).

18-28-917.5.4 Mounting of unlisted appliances.

   Unlisted food service counter appliances shall not be set on combustible material unless they have legs that provide not less than 4 inches (100 mm) of open space below the burners and the combustible surface is protected with insulating millboard at least 1/4 inch (6 mm) thick covered with sheet metal not less than 0.0122 inch (0.3 mm) thick, or with equivalent protection.

18-28-917.6 Gas-fired hot plates.

18-28-917.6.1

   Listed domestic hot plates installed on combustible surfaces shall be set on their own legs or bases. They shall be installed with minimum horizontal clearances of 6 inches (150 mm) from combustible material.

18-28-917.6.2

   Unlisted domestic hot plates shall be installed with horizontal clearances to combustible material of not less than 12 inches (300 mm). Combustible surfaces under unlisted domestic hot plates shall be protected in an approved manner.

18-28-917.6.3.

   The vertical distance between tops of all domestic hot plates and combustible material shall be at least 30 inches (760 mm).

18-28-917.7 Gas-fired household cooking appliances.

18-28-917.7.1 Floor-mounted units.

18-28-917.7.1.1 Clearance from combustible material.

   The clearances specified as follows shall not interfere with combustion air, accessibility for operation, and servicing:

   1.   Listed floor-mounted household cooking appliances, where installed on combustible floors, shall be set on their own bases or legs and shall be installed in accordance with their listing and the manufacturer's instructions.

   2.   Listed household cooking appliances with listed gas room heater sections shall be installed so that the warm air discharge side shall have a minimum clearance of 18 inches (460 mm) from adjacent combustible material. A minimum clearance of 36 inches (910 mm) shall be provided between the top of the heater section and the bottom of cabinets.

   3.   Listed household cooking appliances that include a solid or liquid fuel-burning section shall be spaced from combustible material and otherwise installed in accordance with the standards applying to the supplementary fuel section of the appliance.

   4.   Unlisted floor-mounted household cooking appliances shall be installed with at least 6 inches (150 mm) clearance at the back and sides to combustible material. Combustible floors under unlisted appliances shall be protected in an approved manner.