Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 67

DIVISION 5. MEANS OF EGRESS SECTION 10.2.5.1 APPLICATION A. Means of egress for both new and existing buildings shall comply with this Division except as may be modified for individual occupancies by Divisions 8 through 17 of this Chapter. B. Any change, alteration or addition that would reduce the means of egress below the requirements for new buildings is prohibited. SECTION 10.2.5.2 GENERAL PROVISIONS A. Permissible Exit Components An exit shall consist of the approved components that are described, regulated, and limited as to use by Sections 10.2.5.3 through 10.2.5.12 of this IRR. Exit components shall be constructed as an integral part of the building or shall be permanently affixed thereto. B. Protective Enclosure of Exits 1. When an exit is required to be protected by separation from other parts of the building by some requirements of this IRR, the construction of the separation shall meet the following requirements: a. The separation shall have at least one (1) hour fire resistance rating when the exit connects three (3) storeys or less, regardless of whether the storeys connected are above or below the storey at which the exit discharge begins. b. The separation shall have at least two (2) hours resistance rating when the exit connects four (4) or more storeys, whether above or below the floor of discharge. It shall be constructed of noncombustible materials and shall be supported by construction having at least a two (2)-hour fire resistance rating. c. Any opening in the separation wall/construction shall be protected by an approved self-closing fire resistive door. d. Openings in exit enclosure shall be confined to those necessary for access, to the enclosure from normally occupied spaces and for egress from the enclosure. 2. No exit enclosure shall be used for any purpose other than for means of egress. 51