supply of manufacture and supply of 10125 mm pre-curved/curved switches with zu- 1- 60/60e1a1 thick web grade 880 class a tongue rails and uic 60kg/m grade 880, class a/class b prime quality stock rails with elastic fasteners and spring operated setting device (rdso-t/6216), complete (with check rails) with all fitting for 1 in 12, bg 60 kg turn out for fan shaped layout on psc sleepers i.e. all fitting for switch portion as per sub assembly drg. no. t-6155 (alt-13) in accordance with rdsos standard drawing no. 6154 excluding standard fish plates, fish bolts and nuts er clips, insulating liners.latest alterations/amendments shall be applicable. note: pre-curving shall be done as per rdso letter no. ct/ptx/tws/design dt. 06.07.2023. (note: no pre-curved tws is required). , manufacture and supply of 10125 mm pre-curved/curved switches with zu- 1- 60/60e1a1 t hick web grade 880 class a tongue rails and uic 60kg/m grade 880, class a/class b prime quality stock r ails with elastic fasteners and spring operated setting device (rdso-t/6216), complete (with check rails) with all fitting for 1 in 12, bg 60 kg turn out for fan shaped layout on psc sleepers i.e. all fitting for switc h portion as per sub assembly drg. no. t-6155 (alt-13) in accordance with rdsos standard drawing no. 6154 excluding standard fish plates, fish bolts and nuts er clips, insulating liners.latest alterations/amen dments shall be applicable. note: pre-curving shall be done as per rdso letter no. ct/ptx/tws/design d t. 06.07.2023. (note: no pre-curved tws is required). [ warranty period: 30 months after the date of d elivery ] ]