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Tender For water cooled roof to rwf drawing no.751200111700 with part drawings 751200111710, 771200111720, 771200111730,721200112170, 701200112220. note: all the items should be stress relieved and hydraulically tested at pressure of 10 kg/sqcm for 2 hours.all the welded joints to be d.p. tested and 10% radiographic test to be done at random. 1. pre-qualification for tenderers a) firms who are having facilities for heavy fabrication and who have executed similar works shall only quote. b) the required raw materials shall be sourced through reputed sources such as m/s. sail, tisco, isp&t, ismt, jindal, msl, kalyani, tata or their authorized dealers. tenderer shall furnish mtc for raw materials including the source. c) the tenderer should have qualified welders for manufacturing and supplying water cooled roof on time. they shall also produce certificates of qualified welders on their rolls. d) the tenderer to submit a detailed qap as indicated to m/s. tpi ii. scope of work for manufacturing, assembly, testing and supply of water cooled roof. a) submission of raw material procurement invoice from reputed source to m/s. tpi before commencement of work. b) welding sequence plan, selection of electrodes of e-7018 quality of m/s. advani oerlicon/l&t/esab/meta fusion/weld craft/ador only. c) submission of drawings of jigs and fixtures proposed to be used. d) marking, sizing and surface preparation. e) transfer of identification marks fromthe parent stock to all the sections of raw materials required for fabrication of water cooled roof ( fulldescription as per annexure) ]
Tender For supply of consumable items d d - msweldingrod 3.15 x3 50mm , ss weldingrod 2.50 x 350mm , stainless steel ball 1.4 inch , stainless steel ball 5.16 inch , telescopic channel 16 inch , telescopic channel 18 inch , gi nut bolt 3.16 x 2 inch , gi nut bolt 5.16 x 2 - 1.2 inch , gi nut bolt 3.8x3 inch , gi nut bolt 1.4 x 2.5 inch , gi nut bolt 6mmx2mm , gi nut bolt 7.5mmx2.5mm , cutting wheel 100x1mmx15 mm , hss hacksaw blade 1.2 x 12 inch , revolving chair wheel thread 2x3.8 inch , revolving chair wheel thread pin , hydraulic pump 10mm dia , gi washer 1.4 inch , gi washer 1.2 inch , gi washer 3.8 inch , gi washer 3.16 inch , mobile oil , grease
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 (1) supply and transportation of welding portions of fusion welding of 60 kg/60 eir260 grade rails on cess/ track free of traffic condition by alumino thermic process into short welded panels or otherwise with rdso approved welding portions & techniques (2) supply and transportation of welding portions for 60 kg.90 uts rails by aluminum thermic/skv process under the jurisdiction of sr.divisional engineer/ west/waltair.