supply of fabrication & supply of 6400mm o / r ( curved ) derailing switches for bg 60kg ( uic ) on psc sleepers to rdso drg.no. t-6068 alt.4 complete with stock rails and all parts including check rails as listed in the drawing but excluding grooved rubber sole plates insulating liner elastic rail clip plate screw fish plates and fish bolts., derailing switch rail 60 kg with fittings as per rdso drawing no-rt / 6068 ( including complete fittings as per standard ) [ warranty period: 30 months after the date of delivery ] , manufacturing and supply of overriding curved derailing switches - 60 kg 1 in 8.5 conforming to rdso drg. no. t-6068 with alt.4, complete with all fittings as per drawing excluding grooved rubber sole plates, insulating liners, fish plates, fish bolts and nuts, elastic rail clips and as per irs specifications no. t- 10-2000 corrigendum no. 1 of dec- 2016 with latest alteration if any. the term latest means any alteration / corrigendum / letter issued by rdso up to 30 days before the date of closing of e-tender. the cost includes loading, unloading, transporting to delivery point including all labour cost. [ warranty period: 30 months after the date of delivery ] , fabrication & supply of 6400mm o / r ( curved ) derailing switches for bg 60kg ( uic ) on psc sleepers to rdso drg.no. t-6068 alt.4 complete with stock rails and all parts including check rails as listed in the drawing but excluding grooved rubber sole plates insulating liner elastic rail clip plate screw fish plates and fish bolts. [ warranty period: 30 months after the date of delivery ] , derailing switches 1 in 8.5, bg, 60 kg. ( uic ) on psc sleeper as per rdso drawing no. t-6068 complete with latest alteration and specifications irs: t-10-2000 , complete with all parts excluding standard fish plate and bolts, fang bolts, plate screw, e.r clips, liners, gr pads and insulating liners [ warranty period: 30 months after the date of delivery ]