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Ordinance No. 1734 <br />Page Seventeen <br /> <br /> [iii] Emergency building alarm systems and fire <br /> detection alarm transmission to an approved central station. <br /> <br /> [iv] Temperature-control systems which comply with the <br /> Fire Code. <br /> <br /> (4) Excess Flow Control. <br /> <br /> [i] Portable tanks and cylinders shall be provided with excess <br /> flow control. <br /> <br /> [ii] Valves shall be permanently marked to indicate the maximum <br /> design flow rate. <br /> <br /> (5) Gas Detection. A continuous gas-detection system (in accordance <br /> with the 1994 Ed. Uniform Fire Code, Section 8003.3.1.6) shall be <br /> provided to detect the presence of gas at or below the permissible exposure <br /> limit. The detection system shall initiate a local alarm and transmit a signal <br /> to an approved central station, to provide an immediate response to an <br /> alarm. The alarm shall be both visual and audible and shall be designed to <br /> provide warning both inside and outside of the storage, use or handling <br /> area. The audible alarm shall be distinct from all other on-site alarms. <br /> <br /> (6) Reduced Flow Valves. Reduced flow valves may be utilized to <br /> reduce the maximum flow rate from cylinders and tanks under full flow <br /> conditions. Valve flow rates may be considered in determining the size of <br /> treatment systems required for a worst case release. <br /> <br /> (7) Seismic Shut-off Valves. A seismologically activated valve meeting <br /> standards approved by the Fire Chief shall be provided for automatic shut <br /> off of regulated materials upon a seismic event within 5 seconds of <br /> horizontal semisoidal oscillation having a peak acceleration of. 15g <br /> (= 1.47m/see2) and a period of .4 seconds. <br /> <br /> (8) Class II Corrosives. Inert construction materials shall be used for the <br /> primary containment of Class II Regulated Materials which are corrosives. <br /> Alternatively, secondary containment shall be provided for Class II <br /> materials which are corrosives. <br /> <br /> <br />