Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 126

2. Moderate Hazard Ordinary hazard occupancies are locations where the total amount of Class A combustibles and Class B flammables are present in greater amounts than expected under light (low) hazard occupancies. These occupancies could consist of dining areas, mercantile shops, and allied storage; light manufacturing, research operations, auto showrooms, parking garages, workshop or support service areas of light (low) hazard occupancies; and warehouses containing Class I or Class II commodities as defined by NFPA 231, Standard for General Storage. 3. High Hazard Extra hazard occupancies are locations where the total amount of Class A combustibles and Class B flammables present, in storage, production, use, finished product, or combination thereof, is over and above those expected in occupancies classed as ordinary (moderate) hazard. These occupancies could consist of woodworking, vehicle repair, aircraft and boat servicing, cooking areas, individual product display showrooms, product convention center displays, and storage and manufacturing processes such as painting, dipping, and coating, including flammable liquid handling. Also included is warehousing of or in-process storage of other than Class I and Class II commodities. D. Classification, Ratings, and Performance of Fire Extinguishers 1. Portable fire extinguishers are classified for use on certain classes of fires and rated for relative extinguishing effectiveness as determined by the Bureau of Product Standard, DTI. 2. The classification are as follows a. Class A: fires involving ordinary combustible solid materials b. Class B : fires in flammable and combustible liquid and gas c. Class C: fires involving energized electrical equipment d. Class D: fires involving combustible metal fires E. Fire Extinguisher General Requirements 1. The classification of fire extinguishers shall consist of a letter that indicates the class of fire on which a fire extinguisher has been found to be effective, preceded by a rating number (Class A and Class B only) that indicates the relative extinguishing effectiveness, except for 110