supply of electric point machine non-trailable type conforming to rdso specification no. irs:s-24 / 2002 amendment no.1 or later with following further information. a ] 220 mm throw with interlocking for operation of point in railway yard as per rdso drg. no. s-11000. b ] type of ground connections with nylon insulation conforming to rdso drg. no. s- 3454 and clamp point lock confirming to rdso drg no. 3395 for 60 kg. thick web switch. c ] ac immunity level of motor for electric point machine should be of 400 v [ r.m.s ] 50 hz. the external colour of electric motor shall be painted with red colour. [ warranty period: 30 months after the date of delivery ]