49 CFR 178.347-5 - Pressure and leakage test.

§ 178.347-5 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 40 psig or 1.5 times tank MAWP, whichever is greater.

(2) Using the pneumatic test method, the test pressure must be 40 psig or 1.5 times tank MAWP, whichever is greater, and the inspection pressure is tank MAWP.

[Amdt. 178-89, 54 FR 25030, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR 18934, Apr. 29, 1996]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

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United States Code

Title 49 published on 19-May-2018 04:47

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

  • 2018-03-29; vol. 83 # 61 - Thursday, March 29, 2018
    1. 83 FR 13464 - Request for Information on Regulatory Challenges to Safely Transporting Hazardous Materials by Surface Modes in an Automated Vehicle Environment; Correction
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Request for information; correction.
      Interested persons are invited to submit comments on or before May 7, 2018. Comments received after that date will be considered to the extent practicable.
      49 CFR Parts 107, 171, 172, 173, 174, 177, 178, 179, and 180
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