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0 0 <br /> o Compressed gas cylinders that are not in use outdoors are stored in <br /> designated storage areas located north of Warehouse. In this storage <br /> area, different types of gases are separated by stalls constructed of <br /> concrete blocks. All cylinders, including those in use, are secured from <br /> falling by chains or other means. <br /> 2 . Storage in Tanks <br /> o All tanks are clearly marked. <br /> o All tanks of greater than 60-gallon capacity containing flammable <br /> materials are vented to limit internal pressure. <br /> o Stationary aboveground tanks are structurally secured to prevent tipping <br /> or rupture due to earthquakes. <br /> o Tank-filling operations are supervised to prevent over-filling. <br /> a All tank valves and openings are kept in a closed position, except when <br /> material is being added or removed. <br /> o Aboveground tanks are provided with secondary containment to prevent <br /> accidental discharge or leaking of the stored liquid. <br /> o Bose ends are placed in containers when disconnected to prevent spills by <br /> capturing any remaining fluid. <br /> o Suction pumps are used only to drain flammable and combustible liquids <br /> from tank tops. <br /> o A 20 gallon overfill box will be provided for each fuel tank to prevent <br /> spills . <br /> o Openings for manual gauging have liquid-tight covers, and openings for <br /> vapor recovery are protected against vapor release. <br /> o Tanks containing liquified petroleum (LP) gas are separated from <br /> combustible and flammable materials by at .least 10 feet or a fire rated <br /> wall. <br /> o "No Smoking" and "Keep Fire Away" signs (or equivalent) are posted and no <br /> smoking or open flames are allowed within 25 feet of a tank holding less <br /> than 1,200 gallons, and 50 feet of a tank holding more than 1,200 gallons <br /> of a flammable or combustible material or waste. <br /> 3. Welding and Cutting Operations <br /> o A fire extinguisher or hose is available where a torch is used inside <br /> buildings. <br /> o A fire watch is conducted for one 1/2-hour after a torch is used, or <br /> after cutting or welding is performed. <br /> 4-2 <br />