49 C.F.R. § 192.705 Transmission lines: Patrolling.
Title 49 - Transportation
(a) Each operator shall have a patrol program to observe surface conditions on and adjacent to the transmission line right-of-way for indications of leaks, construction activity, and other factors affecting safety and operation. (b) The frequency of patrols is determined by the size of the line, the operating pressures, the class location, terrain, weather, and other relevant factors, but intervals between patrols may not be longer than prescribed in the following table: (c) Methods of patrolling include walking, driving, flying or other appropriate means of traversing the right-of-way. [Amdt. 192–21, 40 FR 20283, May 9, 1975, as amended by Amdt. 192–43, 47 FR 46851, Oct. 21, 1982; Amdt. 192–78, 61 FR 28786, June 6, 1996]
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart M—Maintenance
§ 192.705 Transmission lines: Patrolling.
------------------------------------------------------------------------ Maximum interval between patrols------------------------------------------------------------------------ At highway and At all other Class location of line railroad crossings places------------------------------------------------------------------------1, 2............................ 7\1/2\ months; but 15 months; but at at least twice least once each each calendar calendar year. year.3............................... 4\1/2\ months; but 7\1/2\ months; but at least four at least twice times each each calendar calendar year. year.4............................... 4\1/2\ months; but 4\1/2\ months; but at least four at least four times each times each calendar year. calendar year.------------------------------------------------------------------------
