Div. B › Part 3 › 3.1 › 3.1.8 — Fire Separations and Closures

3.1.8.6 — Maximum Openings

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(1) The size of an opening in an interior fire separation required to be protected with a closure shall be not more than 11 m2, with no dimension more than 3.7 m, if a fire compartment on either side of the fire separation is not sprinklered.
(2) The size of an opening in an interior fire separation required to be protected with a closure shall be not more than 22 m2, with no dimension more than 6 m, provided the fire compartments on both sides of the fire separation are sprinklered.
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