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// CODE SNIPPET

G2407.7.3 (304.7.3) Outdoor Opening(s) Size

Residential Code 2018 of Kansas > 24 Fuel Gas > G2407 (304) Combustion, Ventilation and Dilution Air > G2407.7 (304.7) Combination Indoor and Outdoor Combustion Air > G2407.7.3 (304.7.3) Outdoor Opening(s) Size
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The outdoor opening(s) size shall be calculated in accordance with the following:
  1. The ratio of interior spaces shall be the available volume of all communicating spaces divided by the required volume.
  2. The outdoor size reduction factor shall be one minus the ratio of interior spaces.
  3. The minimum size of outdoor opening(s) shall be the full size of outdoor opening(s) calculated in accordance with Section G2407.6, multiplied by the reduction factor. The minimum dimension of air openings shall be not less than 3 inches (76 mm).

Related Code Sections


G2407.7.3 Fuel Gas, (304.7.3) Outdoor Opening(s) Size
The outdoor opening(s) size shall be calculated in accordance with the following: The ratio of interior spaces shall be the available volume of all ...
Residential Code 2018 of Kansas > 24 Fuel Gas > G2407 (304) Combustion, Ventilation and Dilution Air > G2407.7 (304.7) Combination Indoor and Outdoor Combustion Air > G2407.7.3 (304.7.3) Outdoor Opening(s) Size
304.7.3 General Regulations, Outdoor Opening(s) Size
The outdoor opening(s) size shall be calculated in accordance with the following: The ratio of interior spaces shall be the available volume of all ...
Fuel Gas Code 2018 of Kansas > 3 General Regulations > 304 (IFGS) Combustion, Ventilation and Dilution Air > 304.7 Combination Indoor and Outdoor Combustion Air > 304.7.3 Outdoor Opening(s) Size
(C) Equipment for General Use, Size
For a vault ventilated by natural circulation of air to an outdoor area, the combined net area of all ventilating openings, after deducting the area ...
National Electrical Code 2017 of Kansas > 4 Equipment for General Use > 450 Transformers and Transformer Vaults (Including Secondary Ties) > 450.45 Ventilation Openings > (C) Size
Section G2407 Fuel Gas, (304) Combustion, Ventilation and Dilution Air
outdoor opening(s) size shall be calculated in accordance with the following: The ratio of interior spaces shall be the available volume of all ...
Residential Code 2018 of Kansas > 24 Fuel Gas > G2407 (304) Combustion, Ventilation and Dilution Air
Section 904 Vents, Outdoor Vent Extensions
shall terminate outdoors to the open air or to a stack-type air admittance valve in accordance with Section 918 ...
Plumbing Code 2018 of Kansas > 9 Vents > 904 Outdoor Vent Extensions
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