Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 415

H. Inside generator rooms or compartments 1. The walls or partitions, floor, and ceiling on such room or compartments shall be constructed having a fire-resistance rating of not less than two (2) hours. Walls or partitions shall be of noncombustible construction and continuous from the floor to ceiling and shall be securely anchored. At least one wall of an inside generator room shall be an exterior wall. 2. Opening from the generator room or compartment to other parts of the building shall be protected by an approved self- closing fire door for a Class B opening and have a rating of at least one (1) hour or the swinging type and close into a rabbet, or otherwise be made tight to prevent passage of flame around edges. Exit doors shall be located to be readily accessible in case of emergency. Windows, if provided in partitions, shall be wired glass on approved metal- frames with fixed sash. 3. A portion of the exterior walls equal to not less than ten percent (10%) of the combined areas of the enclosing walls shall be of light non- combustible materials such as single thickness, single strength glass. Single thickness, single strength window glass skylights, or lightly fastened roof hatch covers, swinging doors in exterior walls opening outward, sheet metal siding or lightly fastened roofs, may be accepted in part or entirely in lieu of the glass area or its equivalent, provided the required percentage of explosion venting area is thus obtained. 4. Generators installed inside buildings shall be enclosed in a separate room. Exit doors shall be so located as to be readily accessible in case of emergency. 5. The installation of acetylene generators within buildings shall be restricted to buildings not exceeding one storey in height except on the roof or top floor of a building. 6. Operating instructions shall be posted in a conspicuous place near the generator or kept in a suitable place available for ready reference. I. Portable generators 1. Portable generators shall not be used in rooms of total volume less than thirty five (35) times the total gas generating capacity per charge of generators in the room. The gas generating capacity in cubic meters per charge shall be assumed as three-tenths (0.3) times the weight of carbide per charge in kilograms. Generators shall not be used in rooms having a ceiling height of less than three meters (3 m). 2. No portable acetylene generator shall be moved by derrick crane or hoist while charged with carbide. 399