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Rail Coach Factory(RCF), Kapurthala rolled out Indian Railways first air-conditioned double decker rake , comprising 10 coaches (8 double deckers and 2 power cars). This rake has been offered to Eastern Railway/ Kolkata for running between Howrah and Dhanbad.
These stainless steel coaches have been introduced to cater to the heavy rush of commuters in high density corridors offering AC travel at a lower cost.
RCF, in association with RDSO/ Lucknow, finalised the design of double decker coaches and the first prototype of this type was rolled out for oscillation trials within a record time of 9 months on March 31, 2010.
The overall height of double decker coach has been increased marginally by 116 mm (four and a half inches) keeping in view the constraints like overhead structures, bridges, electric traction equipment, platforms etc. so that these coaches can be used without modifying any of the fixed structures except for clearing some minor infringements.
Space for the two decks has been generated by optimally using the well space between the two bogies. The End-On-Generation configuration has been used for train lighting and air-conditioning, in which power is supplied by two power cars, attached at both ends of the train.
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