49 CFR 178.348-5 - Pressure and leakage test.

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§ 178.348-5 Pressure and leakage test.

(a) Each cargo tank must be tested in accordance with § 178.345-13 and this section.

(b) Pressure test. Test pressure must be as follows:

(1) Using the hydrostatic test method, the test pressure must be at least 1.5 times MAWP.

(2) Using the pneumatic test method, the test pressure must be at least 1.5 times tank MAWP, and the inspection pressure is tank MAWP.

[Amdt. 178-89, 54 FR 25032, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR 18934, Apr. 29, 1996]

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United States Code

Title 49 published on 2015-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR Part 178 after this date.

  • 2015-11-23; vol. 80 # 225 - Monday, November 23, 2015
    1. 80 FR 72914 - Hazardous Materials: Editorial Corrections and Clarifications (RRR)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Final rule.
      This regulation is effective December 23, 2015.
      49 CFR Parts 171, 172, 173, 175, 176, 177, 178 and 180