Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 97

so counterbalanced and maintained that they can be readily opened with a minimum of physical effort. Insert screens, if any, on any type of opening giving access to fire, an escape stair shall be of types that may be readily opened or pushed out. No storm sash shall be used on any window providing to fire escape stairs. c. Fire escape stairs shall extend to the roof in all cases where the roof is subject to occupancy or is constructed and arranged to provide an area of refuge from fire. In all cases where stairs do not extend to the roof, access thereto shall be provided by a ladder in accordance with pertinent provision of Section 10.2.5.10 of this IRR on Fire Escape Ladder, except that such ladders are not required in the case of roofs with pitch or slope steeper than sixteen and two-thirds (16.67%) percent. d. Balconies, to which access is secured through windows with sills above the inside floor level, shall be not more than forty six centimeters (46 cm) below the sill. In no case shall be balcony level be above the sill. 6. Materials and Strength a. Iron, steel, or reinforced or concrete or other approved noncombustible material shall be used for the construction of fire stairs, balconies, railings, and other features appurtenant thereto. b. Balconies and stairs shall be designed to carry a load of four hun- dred eighty eight (488) kilos per square meter or a concentrated load of one hundred thirty six (136) kilos so located as to produce maximum stress conditions. c. Except where embedded in masonry or concrete or where a suit- able fire resistive and waterproof covering is provided no structural metal member shall be employed the entire surface of which is not capable of being inspected and painted. d. All supporting members for balconies and stairs, which are in ten- sion and ate fastened directly to the building, shall pass through the wall and be securely fastened on the opposite side or they shall be securely fastened to the framework of the building. Where metal members pass through walls, they shall be protected effectively against corrosion. Holes in the wall through which metal member pass shall be effectively fire-stopped to preserve the fire resistive quality of the wall. e. Balcony and stair enclosure and railings shall be designed to with- stand a horizontal force of seventy five (75) kilos per meter of railing or enclosure without serious deflection, and support at walls 81