49 C.F.R. §§ 179.202-1–179.202-11

§179.202-1. Applicability.

49 C.F.R. § 179.202-1

Each tank built under these specifications must conform to the general requirements of § 179.200 and the prescriptive standards in §§ 179.202-1 through 179.202-11, or the performance standard requirements of § 179.202-12.

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]

§179.202-2. Reserved

49 C.F.R. § 179.202-2

Notes, amendments, and revision history

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

§179.202-3. Approval to operate at 286,000 gross rail load (GRL).

49 C.F.R. § 179.202-3

A tank car may be loaded to a gross weight on rail of up to 286,000 pounds (129,727 kg) upon approval by the Associate Administrator for Safety, Federal Railroad Administration (FRA). See § 179.13.

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]

§179.202-4. Thickness of plates.

49 C.F.R. § 179.202-4

The wall thickness after the forming of the tank shell and heads must be, at a minimum, 9/16 of an inch AAR TC-128 Grade B, normalized steel, in accordance with § 179.200-7(b).

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]

§179.202-5. Tank head puncture resistance system.

49 C.F.R. § 179.202-5

The DOT-117 specification tank car must have a tank head puncture resistance system in conformance with § 179.16(c). The full height head shields must have a minimum thickness of 1/2 inch.

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]

§179.202-6. Thermal protection system.

49 C.F.R. § 179.202-6

The DOT Specification 117 tank car must have a thermal protection system. The thermal protection system must:

(a)

Conform to § 179.18 of this part;

(b)

Be equipped with a thermal protection blanket with at least 1/2-inch-thick material that meets § 179.18(c) of this part; and

(c)

Include a reclosing pressure relief device in accordance with § 173.31 of this subchapter.

Notes, amendments, and revision history

Amendments

[81 FR 53957, Aug. 15, 2016]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[81 FR 53957, Aug. 15, 2016]

§179.202-7. Jackets.

49 C.F.R. § 179.202-7

The entire thermal protection system must be covered with a metal jacket of a thickness not less than 11 gauge A1011 steel or equivalent; and flashed around all openings so as to be weather tight. A protective coating must be applied to the exterior surface of a carbon steel tank and the inside surface of a carbon steel jacket.

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]

§179.202-8. Bottom outlets.

49 C.F.R. § 179.202-8

If the tank car is equipped with a bottom outlet, the handle must be removed prior to train movement or be designed with protection safety system(s) to prevent unintended actuation during train accident scenarios.

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]

§179.202-9. Top fittings protection.

49 C.F.R. § 179.202-9

The tank car tank must be equipped with top fittings protection conforming to AAR Specifications for Tank Cars, appendix E paragraph 10.2.1 (IBR, see § 171.7 of this subchapter).

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]

§179.202-11. Individual specification requirements.

49 C.F.R. § 179.202-11

In addition to § 179.200, the individual specification requirements are as follows:

Notes, amendments, and revision history

Amendments

[80 FR 26749, May 8, 2015]

Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

Amendments

[80 FR 26749, May 8, 2015]