Tenders for 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/0021/2005rev 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 Percent Of Ordered Quantity Of Bldc Fans, These Spare Pcbs Shall Also Have The Same Warranty Period As The New Fans..