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10.1.6 Vapor processing equipment shall be located outside of buildings. In addition, it <br />shall be located as follows: <br />(1) At least 3 in (10 ft) from adjacent property lines that can be built upon <br />(2) At least 6 m (20 ft) from dispensing devices <br />Exception: As provided for in 10.1.7. <br />10.1.7 Where the required distance to adjacent property lines that can be built upon <br />cannot be achieved, means shall be provided to protect the vapor processing equipment <br />against fire exposure. Acceptable means shall include the <br />following: <br />(1) Protective enclosures constructed of fire-resistant or noncombustible materials that <br />extend at least 455 mm (18 in.) above the equipment <br />(2) Installation in belowgrade spaces <br />(3) Protection with an approved water spray <br />system <br />10.1.7.1 If protective enclosures or belowgrade spaces are used, positive means shall be <br />provided to ventilate the enclosure to prevent pocketing of ignitable vapors. In no case <br />shall vapor processing equipment so protected be located within 1.5 in (5 ft) of adjacent <br />property lines that can be built upon. <br />10.1.8 Processing equipment shall be protected against physical damage with guardrails, <br />curbs, or fencing. <br />1.0.1.9 Electrical equipment shall meet the requirements of Chapter 8. <br />10.1.10 Vent pipes on vapor processing systems shall discharge only in an upward <br />direction in order to disperse vapors and shall terminate at least 3.6 in (12 ft) above grade. <br />The outlets shall be directed and located so that ignitable vapors will not accumulate or <br />travel to an unsafe location or enter buildings. <br />10.1.11 Combustion or open flame—type devices shall not be installed in classified areas, <br />as described in Chapter 8. <br />