Section 52.20-25 - Setting (modifies PFT-46)(a) The method of supporting firetube boilers must be as indicated in PFT-46 of Section I of the ASME BPVC (incorporated by reference; see § 52.01-1 ) except as noted otherwise in this section.(b) The foundations must meet the requirements of § 52.01-130 .CGFR 68-82, 33 FR 18815, Dec. 18, 1968, as amended by USCG-2003-16630, 73 FR 65161 , Oct. 31, 2008