49 CFR 179.201-6 - Manways and manway closures.

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There is 1 rule appearing in the Federal Register for 49 CFR 179. View below or at eCFR (GPOAccess)
§ 179.201-6 Manways and manway closures.
(a) The manway cover for spec. DOT 104W, 111A60-ALW1, 111A60W1, 111A100ALW1, 111A-100W1, 111A100W3, or 111A100W6 must be designed to make it impossible to remove the cover while the interior of the tank is subjected to pressure.
(b) The manway cover for spec. DOT 11A60W5, or 111A100W5 must be made of a suitable metal. The top, bottom and edge of manway cover must be acid resistant material covered as prescribed in § 179.201-3. Through-bolt holes must be lined with acid resistant material at least one-eighth inch in thickness. Cover made of metal not affected by the lading need not be acid resistant material covered.
(c) The manway ring and cover for specifications DOT-103CW, 103DW, 103EW, 111360W7, or 11A100W6 must be made of the metal and have the same inspection procedures specified in AAR Specifications for Tank Cars, appendix M, M3.03 (IBR, see § 171.7 of this subchapter).
[Amdt. 179-10, 36 FR 21353, Nov. 6, 1971; 66 FR 45186, Aug. 28, 2001; 68 FR 48571, Aug. 14, 2003; 68 FR 75762, Dec. 31, 2003]

Title 49 published on 2013-10-01

The following are only the Rules published in the Federal Register after the published date of Title 49.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2013-10-02; vol. 78 # 191 - Wednesday, October 2, 2013
    1. 78 FR 60745 - Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Final rule.
      Effective date: October 1, 2013. The incorporation by reference of certain publications listed in the rule was approved by the Director of the Federal Register as of January 7, 2013.
      49 CFR Parts 107, 130, 171, 172, 173, 174, 177, 178, 179, and 180

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United States Code

Title 49 published on 2013-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR 179 after this date.

  • 2014-08-01; vol. 79 # 148 - Friday, August 1, 2014
    1. 79 FR 45016 - Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Notice of proposed rulemaking (NPRM).
      Comments must be received by September 30, 2014.
      49 CFR Parts 171, 172, 173, 174, and 179