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A=COM <br /> • In oil preheating burners; <br /> • To start internal combustion engines; <br /> • For ventilation; <br /> • For cleaning clothing; and <br /> • In any other way as a substitute for compressed air. <br /> 4.7.26 Use of a cylinder's contents for purposes other than those intended by the supplier is prohibited. <br /> 4.7.27 Cylinders of compressed natural gas or propane equipped with a pressure relief device shall <br /> always be positioned in a manner that this device remains above the liquid level (e.g., if stored or <br /> installed horizontally on a forklift, relief device is positioned at the top). <br /> 4.7.28 Storage of liquefied petroleum gas(LPG)within buildings is prohibited, and outdoor storage or LPG <br /> shall meet applicable building and fire codes. <br /> 4.8 Special Precautions for Compressed Gas Cylinders Containing Hydrogen <br /> 4.8.1 Inside buildings, cylinders of hydrogen should be separated from oxygen cylinders by a minimum <br /> distance of 20 feet(6.1 meters)or by a barrier of non-combustible material at least 5 feet(1.5 <br /> meters) high having a fire resistance rating of at least one half hour. <br /> 4.8.2 Conspicuous signs should be posted in hydrogen storage areas forbidding smoking, open flames <br /> or the use of lights or lighting not approved for use in flammable areas. <br /> 4.8.3 Hydrogen storage areas shall be labeled, "Hydrogen-Flammable Gas-No Smoking-No Open <br /> Flame"or equivalent. <br /> 4.9 Inspection of Compressed Gas Cylinders <br /> 4.9.1 Prior to formally accepting any delivered compressed gas cylinders, a visual inspection of each <br /> cylinder will be documented as specified below. In addition, all compressed gas cylinders stored at <br /> an AECOM facility will be inspected monthly. <br /> • Visually inspect cylinders, refer to S3AM-114-FM1 Compressed Gas Cylinder Inspection. <br /> • Verify that all the required markings are on the cylinders. <br /> • If required, determine when the cylinder was last hydrostatically-tested. <br /> • Inspect the safety relief devices, if required. <br /> • If any defects are noted during the inspection,the cylinder should be refused on delivery and a <br /> new delivery requested (notify the Manager). <br /> 4.9.2 Where compressed gas cylinders are stored at an AECOM facility, a qualified person will be <br /> designated to confirm cylinder activities comply with the requirements in this procedure. Inspection <br /> entails the evaluation of the integrity of the cylinder as well as the serviceability of any attached <br /> manifold and valve fittings. Inspection activities of cylinders beyond visual inspection are <br /> recommended to be conducted in isolation or a remote location for worker and public safety. The <br /> inspection of any cylinder will be conducted by a qualified person, refer to <br /> S3AM-114-FM1 Compressed Gas Cylinder Inspection. <br /> 4.10 Cylinder Inspection Procedures <br /> 4.10.1 All cylinder inspection procedures will adhere to the applicable regulatory requirement. At a <br /> minimum,the inspection process will include the following procedures: <br /> • Observe the cylinder from a safe distance to identify any visual markings or other information. <br /> • Inspect the cylinder size, shape, and general condition (if visible, include the valve <br /> system/stem in the inspection process). <br /> Compressed Gases(S3AM-114-PR1) <br /> Revision 3 September 30,2020 <br /> PRINTED COPIES ARE UNCONTROLLED. CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET. 7 of 12 <br />