Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW) | MidpageSpecifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)
179.200General specifications applicable to non-pressure tank car tanks (Class DOT-111, DOT-117).179.200-1Tank built under these specifications must meet the applicable requirements in this part.179.200-10Welding.179.200-11Postweld heat treatment.179.200-13Manway ring or flange, pressure relief device flange, bottom outlet nozzle flange, bottom washout nozzle flange and other attachments and openings.179.200-14Expansion capacity.179.200-15Closures for manways.179.200-16Gauging devices, top loading and unloading devices, venting and air inlet devices.179.200-17Bottom outlets.179.200-19Reinforcements, when used, and appurtenances not otherwise specified.179.200-21Closures for openings.179.200-22Test of tanks.179.200-23Tests of pressure relief valves.179.200-24Stamping.179.200-3Type.179.200-4Insulation.179.200-6Thickness of plates.179.200-7Materials.179.200-8Tank heads.179.200-9Compartment tanks.179.201Individual specification requirements applicable to non-pressure tank car tanks.179.201-1Individual specification requirements.179.201-10Water capacity marking.179.201-11Insulation.179.201-2[Reserved]179.201-3Lined tanks.179.201-4Material.179.201-5Postweld heat treatment and corrosion resistance.179.201-6Manways and manway closures.179.201-8Sampling device and thermometer well.179.201-9Gauging device.179.202Individual specification requirements applicable to DOT-117 tank car tanks.179.202-1Applicability.179.202-11Individual specification requirements.179.202-12Performance standard requirements (DOT-117P).179.202-13Retrofit standard requirements (DOT-117R).179.202-2[Reserved]179.202-3Approval to operate at 286,000 gross rail load (GRL).179.202-4Thickness of plates.179.202-5Tank head puncture resistance system.179.202-6Thermal protection system.179.202-7Jackets.179.202-8Bottom outlets.179.202-9Top fittings protection.179.203-179.202-22[Reserved]179.220General specifications applicable to nonpressure tank car tanks consisting of an inner container supported within an outer shell (class DOT-115).179.220-1Tanks built under these specifications must meet the requirements of §§ 179.220 and 179.221.179.220-10Welding.179.220-11Postweld heat treatment.179.220-13Inner container manway nozzle and cover.179.220-14Openings in the tanks.179.220-15Support system for inner container.179.220-16Expansion capacity.179.220-17Gauging devices, top loading and unloading devices, venting and air inlet devices.179.220-18Bottom outlets.179.220-20Reinforcements, when used, and appurtenances not otherwise specified.179.220-22Closure for openings.179.220-23Test of tanks.179.220-24Tests of pressure relief valves.179.220-25Stamping.179.220-26Stenciling.179.220-3Type.179.220-4Insulation.179.220-6Thickness of plates.179.220-7Materials.179.220-8Tank heads.179.220-9Compartment tanks.179.221Individual specification requirements applicable to tank car tanks consisting of an inner container supported within an outer shell.179.221-1Individual specification requirements.