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Diagram showing construction of the DOT 117 tank car. The DOT-117 (TC-117 in Canada) is a type of unpressurized tank car in use on North American railroads. The DOT-117 design was developed in the aftermath of the Lac-Mégantic rail disaster of 2013 in an effort to upgrade the specifications of the then-common DOT-111 and CPC-1232 designs. [1]
A DOT-111 tank car, specification 111A100W1, constructed by fusion welding carbon steel.This car has a capacity of 30,110 US gallons (113,979 L; 25,071.8 imp gal), a test pressure of 100 psi (690 kPa), a tare weight of 65,000 pounds (29,500 kg) and a load limit of 198,000 pounds (89,800 kg).
1903: Tank-car companies develop construction safety standards. More than 10,000 tank cars are in operation. 1915: A classification system is developed by the tank-car industry to ensure the correct match of car type to product being shipped. Some 50,000 tank cars are in use. 1930: 140,000 tank cars transport some 103 commodities.
Closed hopper cars have a metal top with waterproof loading hatches, which provides superior protection. [7] These loading hatches along the top of the covered hopper may be a single long opening along the centerline or a pattern of multiple round or square openings positioned to allow uniform weight distribution when loading the car.
A fact from DOT-111 tank car appeared on Wikipedia's Main Page in the Did you know column on 13 July 2013 (check views). The text of the entry was as follows: Did you know... that the runaway train in the Lac-Mégantic derailment involved 72 DOT-111 tank cars? A record of the entry may be seen at Wikipedia:Recent additions/2013/July.
The pressure within the tank is 25 psi (170 kPa) or lower [3] [4] with a temperature below 20.27 K (−423.17 °F or −252.87 °C) and a boil-off rate of 0.3% to 0.6% per day [5] The tank is double walled like a vacuum flask with multi-layer insulation, with the valves and fittings enclosed in a cabinet at the lower side or end of the car.
Procor is a Canadian company producing railway shipping cars. It is Canada's largest private rail car rental fleet, with more than 30,000 conventional and special-purpose tank and freight cars . Linked to Sparling Tank Car of Toronto, [ 1 ] Procor was founded in 1952 as Products Tank Line Limited and became an affiliate of US-based Union Tank ...
The driver sat at the front and had an integral periscope/hatch cover that lifted and opened to the right. The centre mounted turret held the commander-loader on the left and gunner on the right. They each had a rear-opening hatch cover. [2] Without preparation, the Fox can ford one metre of water and a flotation screen can be erected in two ...