Section 56.01-3 - Power boilers, external piping, and appurtenances (Replaces 100.1.1, 0.1.2, 122.1, 132 and 133)(a) Power boiler external piping and components must meet the requirements of this part and §§ 52.01-105 , 52.01-110 , 52.01-115 , and 52.01-120 of this subchapter.(b) Specific requirements for external piping and appurtenances of power boilers, as defined in Secs. 100.1.1 and 100.1.2, appearing in the various paragraphs of ASME B31.1 (incorporated by reference; see § 56.01-2 ), are not adopted unless specifically indicated elsewhere in this part.CGD 77-140, 54 FR 40602, Oct. 2, 1989; 55 FR 39968, Oct. 1, 1990; USCG-2003-16630, 73 FR 65174 , Oct. 31, 2008