supply of railway carriage fan, 110 volts dc, 400 mm sweep, fixed type brushless dc (bldc) (sensorless), conforming to rdso s specification no. rdso/pe/spec/tl/0021/2005(rev 3) with amendment no. 1 with fan guard as per icf drg. no. icf/sk-7-6-158 alt (g) col-ii or latest. however, the firms may quote for latest specn./drawing with amendment if any issued by rdso/icf/rcf.the successful tenderer shall supply spare pcb cards equivalent to 2 percentage of ordered quantity of bldc fans, these spare pcbs shall also have the same warranty period as the new fans.railway carriage fan, 110 volts dc, 400 mm sweep, fixed type brushless dc (bldc) (sensorless), conforming to rdso s specification no. rdso/pe/spec/tl/0021/2005(rev 3) with amendment no. 1 with fan guard as per icf drg. no. icf/sk-7-6-158 alt (g) col-ii or latest. however, the firms may quote for latest specn./drawing with amendment if any issued by rdso/icf/rcf.the successful tenderer shall supply spare pcb cards equivalent to 2 percentage of ordered quantity of bldc fans, these spare pcbs shall also have the same warranty period as the new fans.,railway carriage fan, 110 volts dc, 400 mm sweep, fixed type brushless dc (bldc) (sensorless), conforming to rdso s specif ication no. rdso/pe/spec/tl/0021/2005(rev 3) with amendment no. 1 with fan guard as per icf drg. no. icf/sk-7-6-158 alt (g) col-ii or lat est. however, the firms may quote for latest specn./drawing with amendment if any issued by rdso/icf/rcf.the successful tenderer shall s upply spare pcb cards equivalent to 2 percentage of ordered quantity of bldc fans, these spare pcbs shall also have the same warranty per iod as the new fans. [ warranty period: 30 months after the date of delivery ] ] => limited