supply of 1 in 8.5 tws turnout for 22.9t axle load for 6400 mm curved switch with 60e1a 1 thick web tongue rails for 1 in 8.5 turnout b.g. (1673 mm) for 60e1 rail with r260 grade o n psc sleepers (drawings and item details as mentioned in set document are applicable) dr g: (rdso) rdso/t-9775 alt.3 spec: (rdso) irs/t-10-2025 set doc: set_rt_9775_ alt_3 [ warranty pe riod: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation