§64.17. Minimum tank thickness.
46 C.F.R. § 64.17
Except as allowed in paragraph (b) of this section, a tank with a diameter of—
6 feet or less must have a shell and head of 3/16 inch thickness or more; or
More than 6 feet must have a shell and head of 1/4 inch thickness or more.
If the tank has additional framework to guard against accidental puncturing of the tank, the shell and head thickness must be 1/8 inch or more.
Notes, amendments, and revision history
Authority
Authority: 46 U.S.C. 3306, 3703; 49 U.S.C. App. 1804; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3.
Source
Source: CGD 73-172, 39 FR 22950, June 25, 1974, unless otherwise noted.