Fire Code of the Philippines Ebook - SafetySignsPH.com Fire Code of the Philippines eBook - SafetySignsPH | Page 431

applicable, in buildings or structures located at treatment plants based on manufacturer’s instructions and/or internationally accepted standards, subject to the evaluation and approval of the City/Municipal Fire Marshal having jurisdiction. 1. Chemical wetting agents, ionized water mists, and foam extinguishing systems effectiveness shall be considered or used for wet wells, grit and screening processes, primary clarifiers, and pits and tanks where floating flammable liquid may collect on the surface. 2. Clean agents, ionized water mists, inert gas suppressants, and carbon dioxide extinguishing systems effectiveness shall be considered or used where electronics and computer equipment are located. 3. Clean agent, ionized water mists, carbon dioxide, and dry chemical extinguishing systems shall be considered or used in chemical storage areas, underground tunnels or structures, or where electrical hazard is a principal concern and where water damage would seriously impair the integrity of the treatment plant. C. Standpipes and Hydrants. Standpipes, hose streams, and hydrants shall be provided where appropriate in buildings or structures located at treatment plants in accordance with Section 10.2.6.6 of this IRR and/or other internationally accepted standards, subject to the evaluation and approval of the City/Municipal Fire Marshal having jurisdiction. D. Fire Suppression Supply Systems 1. Water supplies shall be capable of delivering the total demand of sprinklers, hose streams, foam and other chemical systems in accordance with Sections 10.2.6.5 and 10.2.6.6 of this IRR. 2. In areas where there is no public water supply or where the public water supply is inadequate, treatment plant effluent or recycled water shall be used for fire protection. 3. In cases when the plant water system is used as the principal source for fire protection, the system shall be capable of providing an adequate quantity and pressure, and have sufficient standby capacity to meet all fire water flow requirements. If the plant water system is used as back up to public water supply, the system shall provide easy access and connections for pumper equipment or fire fighting apparatus. 4. When fire pumps are the source of supply used in the plant water system, multiple pumps with sufficient capacity to meet fire flow requirements, even with the largest pump out of service shall be provided. Pumps used shall be automatic starting with manual shutdown or mechanical equipment. 415