Pipeline and Hazardous Materials Safety Admin., DOT § 174.61

For the applicable address and tele- is also within the limits of the design phone number, see § 107.117(d)(4) of this strength requirements for the doors. chapter. A leaking bulk package con- [Amdt. 174–83, 61 FR 28677, June 5, 1996, as taining a hazardous material may be amended at 68 FR 75747, Dec. 31, 2003; 76 FR moved without repair or approval only 43530, July 20, 2011] so far as necessary to reduce or to eliminate an immediate threat or harm § 174.57 Cleaning cars. to human health or to the environment All hazardous material which has when it is determined its movement leaked from a package in any rail car would provide greater safety than al- or on other railroad property must be lowing the package to remain in place. carefully removed. In the of a liquid leak, measures must be taken to prevent the spread of § 174.59 Marking and placarding of liquid. rail cars. [65 FR 50462, Aug. 18, 2000] No person may a rail car carrying hazardous materials unless it is marked and placarded as required by Subpart C—General Handling and this subchapter. Placards and car cer- Loading Requirements tificates lost in transit must be re- placed at the next inspection point, § 174.55 General requirements. and those not required must be re- (a) Each package containing a haz- moved at the next terminal where the ardous material being transported by is classified. For Canadian - rail in a freight or transport ments, required placards lost in tran- vehicle must be loaded so that it can- sit, must be replaced either by those not fall or slide and must be safe- required by part 172 of this subchapter guarded in such a manner that other or by those authorized under § 171.12. freight cannot fall onto or slide into it [74 FR 53189, Oct. 16, 2009] under conditions normally incident to transportation. When this protection § 174.61 Transport vehicles and freight cannot be provided by using other on flat cars. freight, it must be provided by block- (a) A transport vehicle, freight con- ing and bracing. For examples of block- tainer, or package containing a haz- ing and bracing in freight containers ardous material must be designed and and transport vehicles, see Bureau of loaded so that it will not become dam- Explosives Pamphlet No. 6 and the aged to an extent that would affect its Intermodal Loading Guide for Products integrity under conditions normally in- in Closed Trailers and Containers (IBR, cident to transportation. Each unit see § 171.7 of this subchapter). must be secured on a so that it (b) Each package containing a haz- cannot permanently change position ardous material bearing package ori- during transit. Packages of hazardous entation markings prescribed in materials contained therein must be § 172.312 of this subchapter must be loaded and braced as provided by loaded within a transport vehicle or §§ 174.101, 174.112, 174.115 and 174.55. freight container to remain in the cor- Placards must be applied when pre- rect position indicated by those mark- scribed by part 172 of this subchapter ings during transportation. and part 174. (c) The doors of a freight container or (b) Except as specified in § 173.21, a transport vehicle may not be used to truck body, trailer, or freight con- secure a load that includes a package tainer equipped with heating or refrig- containing a hazardous material unless erating equipment which has fuel or the doors meet the design strength re- any article classed as a hazardous ma- quirements of Specification M–930 (for terial may be loaded and transported freight containers) and M–931 (for trail- on a flat car as part of a joint rail high- ers) in the AAR’s specification for way movement. The heating or refrig- ‘‘Specially Equipped Freight Car and erating equipment is considered to be a Intermodal Equipment’’ (IBR, see part of the truck body or trailer and is § 171.7 of this subchapter) and the load not subject to any other requirements

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of this subchapter. The truck body, tion for ‘‘Specially Equipped Freight trailer, or freight container must be se- Car and Intermodal Equipment’’ (IBR, cured on the flatcar so that it cannot see § 171.7 of this subchapter); change position during transit. (4) For COFC service, the container [Amdt. 174–26, 41 FR 16092, Apr. 15, 1976, as support and securement systems con- amended by Amdt. 174–26A, 41 FR 40685, Sept. form to requirements in Specification 20, 1976; Amdt. 174–38, 45 FR 32698, May 19, M–952, ‘‘ Support 1980; Amdt. 174–39, 45 FR 81572, Dec. 11, 1980; and Securement Systems for Freight Amdt. 174–59, 51 FR 5974, Feb. 18, 1986; Amdt. Cars’’, of the AAR specification for 174–68, 57 FR 45464, Oct. 1, 1992; Amdt. 174–79, 59 FR 64744, Dec. 15, 1994] ‘‘Specially Equipped Freight Car and Intermodal Equipment’’ (IBR, see § 174.63 Portable tanks, IM portable § 171.7 of this subchapter); tanks, IBCs, Large Packagings, (5) If transported in a — tanks, and multi-unit tank (i) The tank is not in a double- car tanks. stacked configuration (i.e., no freight (a) A carrier may not transport a container or portable tank is placed bulk packaging (e.g., portable tank, IM above or below the tank); and portable tank, IBC, Large Packaging, (ii) The tank is transported in the cargo tank, or multi-unit well with its outlet valve facing out- tank) containing a hazardous material ward towards the end of the well and in container-on-flatcar (COFC) or trail- away from any adjacent tank or con- er-on-flatcar (TOFC) service except as tainer; and authorized by this section or unless ap- (6) All securement fittings shall be proved for transportation by the Asso- ciate Administrator for Safety, FRA. fully engaged and in the locked posi- (b) A bulk packaging containing a tion, provided; however, if the tank is hazardous material (including IM 101 transported in a well car, it must be and IM 102 when appropriate according loaded into a well appropriate for the to dimensions and weight distribution) length of the container and any void may be transported inside a fully filling device present must be secured closed transport vehicle or fully closed in its designed appropriate position. freight container provided it is prop- (d) An approval in effect on February erly secured with a restraint system 28, 1991 for the transportation of - that will prevent it from changing po- able tanks or IM portable tanks in sition, sliding into other packages, or TOFC or COFC service expires on the contacting the side or end walls (in- date stated in the approval letter or cluding doors) under conditions nor- June 15, 1995, whichever is later. mally incident to transportation. (e) A carrier may not transport a (c) When not transported in conform- cargo tank or multi-unit tank car tank ance with and subject to paragraph (b) containing a hazardous material in of this section, a bulk packaging may TOFC or COFC service unless approved be transported in COFC service or for such service by the Associate Ad- TOFC service subject to the following ministrator for Safety, FRA. However, conditions as applicable: in the event of an accident or incident, (1) The bulk packaging contains a no such approval is necessary for the material packaged in accordance with transportation of a cargo tank con- § 173.240, 173.241, 173.242, or 173.243 of taining a hazardous material in TOFC this subchapter; service under the following condi- (2) The tank and flatcar conform to tion(s): requirements in AAR 600 of the AAR (1) There is an emergency need for Specifications for Tank Cars, ‘‘Speci- the cargo tank in order to mitigate the fications for Acceptability of Tank consequences of an incident; and Containers’’ (IBR, see § 171.7 of this subchapter); (2) Movement of the cargo tank is (3) For TOFC service, the trailer limited to transportation necessary for chassis conforms to requirements in emergency purposes. paragraphs 3, 4, 5, and 6 of AAR Speci- [Amdt. 174–79, 59 FR 64744, Dec. 15, 1994, as fication M–943, ‘‘ For amended by 66 FR 45383, Aug. 28, 2001; 68 FR TOFC Service’’ of the AAR specifica- 75747, Dec. 31, 2003; 75 FR 5395, Feb. 2, 2010]

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