49 CFR Subpart D
Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)
November 18, 2020
§
179.202-6
Thermal protection system
§
179.202-7
Jackets
§
179.202-8
Bottom outlets
§
179.202-9
Top fittings protection
§
179.220-22
Closure for openings
§
179.220-23
Test of tanks
§
179.220-24
Tests of pressure relief valves
§
179.220-16
Expansion capacity
§
179.220-17
Gauging devices, top loading and unloading devices, venting and air inlet devices
§
179.220-18
Bottom outlets
§
179.220-20
Reinforcements, when used, and appurtenances not otherwise specified
§
179.200-23
Tests of pressure relief valves
§
179.202-5
Tank head puncture resistance system
§
179.220-7
Materials
§
179.200
General specifications applicable to non-pressure tank car tanks (Class DOT-111, DOT-117)
§
179.200-1
Tank built under these specifications must meet the applicable requirements in this part
§
179.200-3
Type
§
179.200-4
Insulation
§
179.200-6
Thickness of plates
§
179.200-7
Materials
§
179.200-8
Tank heads
§
179.200-9
Compartment tanks
§
179.200-10
Welding
§
179.200-11
Postweld heat treatment
§
179.200-13
Manway ring or flange, pressure relief device flange, bottom outlet nozzle flange, bottom washout nozzle flange and other attachments and openings
§
179.200-14
Expansion capacity
§
179.200-15
Closures for manways
§
179.200-16
Gauging devices, top loading and unloading devices, venting and air inlet devices
§
179.200-17
Bottom outlets
§
179.200-19
Reinforcements, when used, and appurtenances not otherwise specified
§
179.200-21
Closures for openings
§
179.200-22
Test of tanks
§
179.200-24
Stamping
§
179.201
Individual specification requirements applicable to non-pressure tank car tanks
§
179.201-1
Individual specification requirements
§
179.201-2
[Reserved]
§
179.201-3
Lined tanks
§
179.201-4
Material
§
179.201-5
Postweld heat treatment and corrosion resistance
§
179.201-6
Manways and manway closures
§
179.201-8
Sampling device and thermometer well
§
179.201-9
Gauging device
§
179.201-10
Water capacity marking
§
179.201-11
Insulation
§
179.202
Individual specification requirements applicable to DOT-117 tank car tanks
§
179.202-1
Applicability
§
179.202-2
[Reserved]
§
179.202-3
Approval to operate at 286,000 gross rail load (GRL)
§
179.202-4
Thickness of plates
§
179.202-11
Individual specification requirements
§
179.202-12
Performance standard requirements (DOT-117P)
§
179.202-13
Retrofit standard requirements (DOT-117R)
§
§179.203--179.202-22
[Reserved]
§
179.220
General specifications applicable to nonpressure tank car tanks consisting of an inner container supported within an outer shell (class DOT-115)
§
179.220-1
Tanks built under these specifications must meet the requirements of §§179.220 and 179.221
§
179.220-3
Type
§
179.220-4
Insulation
§
179.220-6
Thickness of plates
§
179.220-8
Tank heads
§
179.220-9
Compartment tanks
§
179.220-10
Welding
§
179.220-11
Postweld heat treatment
§
179.220-13
Inner container manway nozzle and cover
§
179.220-14
Openings in the tanks
§
179.220-15
Support system for inner container
§
179.220-25
Stamping
§
179.220-26
Stenciling
§
179.221
Individual specification requirements applicable to tank car tanks consisting of an inner container supported within an outer shell
§
179.221-1
Individual specification requirements
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