supply of cast steel bolster complete for casnub-22-hs (mod-i) & (mod-ii) bogie.cast steel bolster complete for casnub-22-hs (mod-i) & (mod-ii) bogie.,cast steel bolster complete for casnub-22-hs (mod-i) & (mod-ii) bogie. drawing no. : r dso,s drg. no. wd-04017-s/3, alt. 2 , item no. 1 duly welded with item nos. 2 and 3. material and spe cification : as per drawing and conforming to rdso,s specification no.wd-34-casnub-22-hs (mod-1)- 2004, amendment no. 5 of nov., 2020. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]