Ordinance No. 19593 - Laserfiche WebLink

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4. Piping and Controls. In addition to the requirements of Section 80.301~c}, piping and controls on stationary tanks shall be in accordance with the following: A. Pressure relief devices shall be vented to a treatment system designed in accordance with the provi- sions of Section 80.303~a}fi.D. B. Where filling or dispensing connections are pro- vided, they shall be provided with a means of local exhaust. Such exhaust shall be designed to capture fumes and vapors. The exhaust shall be directed to a treatment system designed in accordance with the provisions of Sec- tion 80.303~a}6.D. C. Stationary tanks shall be provided with a means of excess flow control on al 1 tank i n1 et ar autl et con- nections. EXCEPTIONS: I. Inlet connections that are designed to pre- cl ude backfl ow. 2. Pressure relief devices. 5. Sill Control, Drains a and Containment, Spill can- tro1, drainage and containment shall not be required for the exterior storage of highly toxic compressed gases. ~c} Special Provisions. 1. SeismicProtection. Stationary tanks and associated piping systems shall be seismically braced in accordance with the provisions of the Structural Specialty Code. 2. Securit . Storage areas shall be secured against unauthorized entry. 3. Gas Cabinets far Leakin C finders. At least one gas cabinet or exhausted enclosure shall be provided far the hand- ling of leaking cylinders. The cabinet or enclosure shall be located as follows: A. Within or adjacent to exterior storage areas. B. Within separate gas storage rooms used for cylinders. The cabinet or enclosure shall be connected to a treatment system as specified in Section 80.303~a}fi.D. EXCEPTION: A cabinet or enclosure is not required to be provided for leaking cylinders if all cylinders are stared within gas cabinets ar exhausted enclosures. 4. Local Exhaust far Leakin Portable Tanks. A means of local exhaust shall be provided to capture leaks from port- able tanks. The local exhaust may consist of portable ducts or collection systems designed to be applied to the site of a 1 eak i n a vat ve or fitting on the tank. The l oval exhaust system shall be connected to a treatment system as specified in Section $0.3o3~a}fi.D. The local exhaust system shall be provided: A. Within or immediately adjacent to exterior stor- age areas. B. Within separate gas storage rooms used for port- able or stationary tanks. 5. Breathing Apparatus, When toxic or highly toxic cam- Ordinance - 37