1. Regulations
  2. title 46
  3. chapter I-i1
  4. part 64
  5. subpart B
  6. § 64.17

View all text of Subpart B [§ 64.11 - § 64.55]

§ 64.17 - Minimum tank thickness.

(a) Except as allowed in paragraph (b) of this section, a tank with a diameter of—

(1) 6 feet or less must have a shell and head of 3/16 inch thickness or more; or

(2) More than 6 feet must have a shell and head of 1/4 inch thickness or more.

(b) 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.

AUTHORITY: 46 U.S.C. 3306, 3703; 49 U.S.C. App. 1804; Department of Homeland Security Delegation No. 0170.1.

SOURCE: CGD 73-172, 39 FR 22950, June 25, 1974, unless otherwise noted.

CITE AS: 46 CFR 64.17