supply of running contract of one year for supply of welding portions for fusion welding of rails by alumino thermic process for 60kg (90 uts)running contract of one year for supply of welding portions for fusion welding of rails by alumino thermic process for 60kg (90 uts),manufacture and supply of welding portions for fusion welding of rails by alumino thermic process for 60kg (90 uts) rails with 25 mm gap using cap/ oxy lpg/ oxy propane preheating with 3 piece mould (zr-washed) manually pressed /core shooted with auto tapping thimble & ssc as per rdso specification irs t/19-2021 with acs no. 1(april 2024) with list of consumables /equipments etc. as per list attached.. (the specification issued by rdso up to ten days prior to tender opening date shall be applicable in this tender) [ warranty period: 30 months after the date of delive ry ] ]