(a) Except as provided in Subdivision (b) of this Section, each new transmission line and each pipe section, valve, fitting or other line component of a transmission line that is replaced must be designed and constructed to accommodate the passage of instrumented internal inspection devices in accordance with NACE SP0102, Section 7, as described in Section 10.3 of this Title.
(b) This section does not apply to:
(1) manifolds;
(2) station piping such as at compressor stations, meter stations, or regulator stations;
(3) piping associated with storage facilities, other than a continuous run of transmission line between a compressor station and storage facilities;
(4) crossovers;
(5) sizes of pipe for which an instrumented internal inspection device is not commercially available; and
(6) transmission lines, operated in conjunction with a distribution system, which are installed in Class 4 locations.