supply of manufacture and supply of fittings for thick web switch for 1 in 12 turnout bg (1673mm) for 60 kg on psc sleepers to rdso drg. no. t.6155 (alt-10) , manufacture and supply of fittings for thick web switch for 1 in 12 turnout bg (1673m m) for 60 kg on psc sleepers to rdso drg. no. t.6155 (alt-10), conforming to irs specification - irs: t-10-2025 irs: t-16-2019, with latest alteration. the alteration/revision/amendment in drawing and sp ecification issued by rdso up to the date of publishing of tender shall be applicable to this tender. fitt ings to be supplied as per list enclosed. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]