StacksVerified U.S. regulatory reference

46 CFR §52.20-25

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (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.
  2. (b)The foundations must meet the requirements of § 52.01-130.