supply of manufacture and supply of 10125 mm pre cmanufacture and supply of 10125 mm pre c,manufacture and supply of 10125 mm pre curved switches as per rdsos drg. no. t-615 5 [ with latest alterations] with zu-1-60 thick web grade 880 class-a tongue rails and uic 60 kg per m grade-880, class a or b stock rails with elastic fasteners and spring operated setting device [rdso-t-6 216 with latest alterations]. complete with all fittings for 1 in 12, bg 60 kg turn out for fan shaped layo ut on psc sleepers i.e. all fittings for switch portion as per sub assembly no. t-6155 [ with latest alterat ion] in accordance with rdsos standard drawing no. t- 6154 excluding standard fish plates, fish bolts a nd nuts, elastic rail clips and insulating liners. [ warranty period: 30 months after the date of deliver y ] ] , manufacture and supply of 10125 mm pre curved switches as per rdsos drg. no. t-615 5 [ with latest alterations] with zu-1-60 thick web grade 880 class-a tongue rails and uic 60 kg per m grade-880, class a or b stock rails with elastic fasteners and spring operated setting device [rdso-t-6 216 with latest alterations]. complete with all fittings for 1 in 12, bg 60 kg turn out for fan shaped layo ut on psc sleepers i.e. all fittings for switch portion as per sub assembly no. t-6155 [ with latest alterat ion] in accordance with rdsos standard drawing no. t- 6154 excluding standard fish plates, fish bolts a nd nuts, elastic rail clips and insulating liners. [ warranty period: 30 months after the date of deliver y ] ]