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function. Do not increase pressure at any regulztor before <br />it is determined that it will be safe to raise t~~e pr=_ssure <br />• in the affected area. Consideration should be g:•ren ~o <br />isolating the affected portion of the distribution system. <br />If this action is necessary, refer to Gas Dutaye ?ro=edure, <br />Exhibit (1 pyr,~ q~• <br />b. Send serviceman into the affected area and spot chec~: the <br />pressure at several buildings. If conditions are found <br />that indicate raw gas could be escaping at appliznces be- <br />cause of low pressure, then all meters in the affected <br />area must be valved off. It might only be necessary to <br />valve meters off near the end of a system. At times, water <br />will seal off an area of a low pressure distribution system <br />and drips must not be pumped b:.ore all meters are valved <br />. off in the affected area. <br />c. Any time a low pressure problem develops, key supervisory <br />personnel must conduct a thor~..~gh investigation, consider <br />all facts involved and make the decision necessary to <br />correct the problem. The area affected must alv+zys be made <br />safe before pressure is raised or gas is alla.+ed to flour <br />back into the system. <br />NATURAL DISASTERS <br />1. In the event of a natural disaster such as *ornadoes, flood <br />and high winds, emergency procedures must be implemented to <br />maintain or rr :.me gas service. Immediately upon learning of <br />such an occurrence, the appropriate supervisor should assess <br />• <br />-18- <br />