supply of manufacture and supply of thick web switch expansion joint (twsej) as per rdso drg. no. t-8822.manufacture and supply of thick web switch expansion joint (twsej) as per rdso drg. no. t-8822.,manufacture and supply of thick web switch expansion joint (twsej) as per rdso drg. no . t-8822 (alt: 03) consisting of machined thick web grade-880 class a tongue rail of zu-1-60 rail sectio n and stock rail of 60 kg (uic) rail section with fittings enclosed as annexure. note: asymmetrical rail o f zu-1-60 for tongue rail will be arranged by vendor at his own cost as per conditions stipulated in the sp ecial conditions of contract in the tender document. rails for fabrication of rails will be supplied by railwa y free of cost against matching bank guarantee to be submitted by vendor.this po is issued as per rly. bd.s letter no. 2021/track-i/4/specifications/t-60 dt 27.04.2022 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted : max 8 lacs ] ]