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20.24.240 <br />(2) Exterior storage of regulated materials <br />is covered by subsection (f) of this section. <br />(3) All control equipment for materials <br />regulated by this article shall meet appro- <br />priate nationally recognized standards, if <br />any approved by the Fire Chief. <br />(b) Class I Controls. <br />Persons responsible for any facility where <br />Class I materials are present shall comply <br />with all of the requirements of this subsec- <br />tion (b) and with subsection (c), (d), (e) <br />and (f) of this section. <br />(1) Piping. <br />[i] Piping for Class I materials shall be <br />designed and fabricated from materials <br />compatible with the material to be con- <br />tained. Piping shall be of strength and <br />durability sufficient to withstand the pres- <br />sure, structural and seismic stress and ex- <br />posure to which it may be subjected, as <br />required by the Uniform Building Code of <br />the Pleasanton Municipal Code. <br />[ii] Secondary containment shall be pro- <br />vided for piping for Class I materials. The <br />secondary containment shall be capable of <br />directing a sudden release into an approved <br />discharge treatment system, and shall be <br />monitored continually with a continuous <br />gas monitoring system approved by the Fire <br />Chief. Secondary containment, includes, <br />but is not limited to, double walled piping. <br />(2) Automatic Shut-Off. An automatic shut- <br />off valve which is of a "fail-safe to close" <br />design shall be provided. Each of the fol- <br />lowing shall activate automatic shut-off: <br />[i] Gas detection. <br />[ii] Manually, from remote locations. <br />[iii] Failure of emergency power <br />[iv] Seismic activity, upon a seismic <br />event within 5 seconds of horizontal <br />semisoidal oscillation having a peak <br />acceleration of .15g (=1.47m/sect) <br />and a period of .4 seconds. <br />[v] Failure of primary containment. <br />[vi] Activation of manual fire alarm. <br />[vii] Activation of an automatic fire <br />suppression system. <br />(3) Emergency Control Station. Signals <br />from emergency equipment shall be trans- <br />mitted to an emergency control station <br />onsite, and transmitted to an Underwriters <br />Laboratory (UL) Central Station Service as <br />directed by the Fire Chief. <br />(c) Class II Controls. <br />Responsible persons shall cause materials <br />which are classified as Class II materials to <br />be provided with the controls specified in <br />this subsection (c) and in subsections (d), <br />(e) and (f) of this section. <br />(1) Connections. <br />[i] Piping and tubing shall be installed in <br />accordance with appropriate nationally <br />recognized standards, if any, approved by <br />the Fire Chief, and shall have welded con- <br />nections compatible with the regulated <br />material throughout unless an exhausted <br />enclosure is provided. <br />[ii] Material which is not compatible with <br />ferrous piping may be installed in non- <br />ferrous piping approved by the Fire Chief. <br />[iii] Where connections other than welded <br />connections meet appropriate nationally <br />recognized industry standards, if any, a <br />person responsible for a facility may seek <br />an exception from the Fire Chief, by filing <br />a request for exception with the Fire Chief, <br />(Pleasanton April 2003) '710_58 <br />