Regulations of Connecticut State Agencies
The commission shall be notified at least twelve hours prior to the commencement of any pressure test of a gas pipe line. Such pressure tests shall be of at least twelve hours' duration except when the test is hydrostatic, in which case it shall not be less than four hours. Prior to the test of pipe lines, appropriate town officials shall be notified where and when such tests are to be made in order that adequate and proper police protection may be provided. A section of pipe line shall be tested hydrostatically or with air or an inert gas in accordance with the testing requirements and procedures set forth in the standard code prior to placing such section of pipe line into service.