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Tender For flash buttwelding for conversion of loop lines to swr/lwr of 60/52 kg rails by using rail cum road mobile flash buttwelding plant in situ or on cess in lko division.
Tender For flash buttwelding of 60kg/52kg (90uts/72uts, r-260),(new/sh/sr/swr/lwr) rail at site with contractors mobile flash buttwelding plant in the jurisdiction of howrah division.
Tender For godhra - nagda, nagda bhopal, indore - ujjain, maksi- dewas & chanderiya - khandwa section of ratlam division:- flash buttwelding under divisional engineer under jurisdictions of den (west), den (south) and den (north) ratlam section.
Tender For manufacture and supply of welding portions for fusion welding of 60 kg/60e1 (r-260 grade) rails by alumino thermit process with nominal gap 25mm using cap/oxy lpg/ oxy propane pre-heating with 3 piece prefabricated mould (zircon washed) manually pressed/core shooted with auto tapping thimble and single shot crucible. latest alteration of rdso specification no. irs:t-19-2021 issued up to 10days prior to tender closing date and shall be applicable to this tender. list of consumables is attached as annexure a. [ warranty period: 30 months after the date of delivery ]
Tender For usfd testing of flash buttwelding joint by phased array ultrasonic weld tester (paut) in the jurisdiction of sr. den/i and sr. den/ii/rangiya division of n.f. railway.