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Code of Federal Regulations (Last Updated: April 5, 2024) |
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Title 49 - Transportation |
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Subtitle B - Other Regulations Relating to Transportation |
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Chapter I - Pipeline and Hazardous Materials Safety Administration, Department of Transportation |
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Part 179 - Specifications for Tank Cars |
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Subpart E - Specifications for Multi-Unit Tank Car Tanks (Classes DOT-106A and 110AW) |
§ 179.301 - Individual specification requirements for multi-unit tank car tanks.
Latest version.
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§ 179.301 Individual specification requirements for multi-unit tank car tanks.
(a) In addition to § 179.300 the individual specification requirements are as follows:
DOT specification 106A500-X 106A800-X 110A500-W 110A600-W 110A800-W 110A1000-W Minimum required bursting pressure, psig (1) (1) 1250 1500 2000 2500 Minimum thickness shell, inches 13⁄32 11⁄16 11⁄32 3⁄8 15⁄32 19⁄32 Test pressure, psig (see § 179.300-16) 500 800 500 600 800 1000 Safety relief devices, psig (see § 179.300-15) Start-to-discharge, or burst maximum, p.s.i. 375 600 375 450 600 700 Vapor-tight, minimum psig 300 480 300 360 480 650 (b) [Reserved]
[29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 179-10, 36 FR 21355, Nov. 6, 1971; Amdt. 179-40, 52 FR 13049, Apr. 20, 1987; 65 FR 58632, Sept. 29, 2000; 66 FR 45390, Aug. 28, 2001]