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3704.1.4 Automatic shut -off valve. An automatic shut -off valve, which is of a failsafe <br /> to close design, shall be provided to shut off the supply of highly toxic gases for any of <br /> the following: <br /> 1. Activation of a manual fire alarm system. <br /> 2. Activation of the gas detection system. <br /> 3. Failure of emergency power. <br /> 4. Failure of primary containment. <br /> 5. Seismic activity. <br /> 6. Failure of required ventilation. <br /> 7. Manual activation at an approved remote location. <br /> 20.24.440 CFC Section 3704.1.5 added — Maximum threshold quantity. <br /> Section 3704.1.5 is added to read: <br /> 3704.1.6 Maximum threshold quantity. Toxic gases stored or used in quantities <br /> exceeding the maximum threshold quantity in a single vessel per control area or <br /> outdoor control area shall comply with the requirements for highly toxic gases of this <br /> Chapter. <br /> 20.24.450 CFC Section 3704.1.6 added — Reduced flow valve. <br /> Section 3704.1.6 is added to read: <br /> 3704.1.7 Reduced flow valve. All containers of materials other than lecture bottles <br /> containing Highly Toxic material and having a vapor pressure exceeding 29 psi shall be <br /> equipped with a reduced flow valve when available. If a reduced flow valve is not <br /> available, the container shall be used with a flow - limiting device. All flow limiting devices <br /> shall be part of the valve assembly and visible to the eye when possible; otherwise, they <br /> shall be installed as close as possible to the cylinder source. <br /> Exception: When the process use rate is approximately equal to the maximum flow <br /> rate of the cylinder /tank valve. <br /> 20.24.460 CFC Section 3704.1.7 added — Annual maintenance. <br /> Section 3704.1.7 is added to read: <br /> 3704.1.7 Annual maintenance. All safety control systems at a facility shall be <br /> maintained in good working condition and tested not less frequently than annually. <br /> Maintenance and testing shall be performed by persons qualified to perform the <br /> maintenance and tests. Maintenance records and certifications shall be available to any <br /> representative of the Livermore- Pleasanton Fire Department for inspection upon <br /> request. <br /> 68 <br />