// CODE SNIPPET
G2407.5.3.1 (304.5.3.1) Combining Spaces on the Same Story
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Where combining spaces on the same story, each opening shall have a minimum free area of 1 square inch per 1,000 Btu/h (2,200 mm2/kW) of the total input rating of all appliances in the space, but not less than 100 square inches (0.06 m2). One permanent opening shall commence within 12 inches (305 mm) of the top and one permanent opening shall commence within 12 inches (305 mm) of the bottom of the enclosure. The minimum dimension of air openings shall be not less than 3 inches (76 mm).
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Where combining spaces on the same story, each opening shall have a minimum free area of 1 square inch per 1,000 Btu /h (2,200 mm 2 /kW ...
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