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Tender For supply of 25 mm dia. bolt with nut and split pin for check rail of improved switch expansionjoints for long welded rail (with 80 mm max gap)for bg 52kg & 60kg (uic) rail on psc sleepers, confirming to irs specifications serial no.t-23: 2021 (redrafted) or latest amendment if any. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For manufacture and supply of cast steel slide chair rdso drg. no. t-9636 and cast steel special flat bearing plate to rdso drg. no. t9637 to t-9649 and m.s. flat tie bar to rdso drg. no. t-9650 for retro fitment in 10125 mm with thick web switch of 60 kg (uic)/60e1 on psc sleeper laid to rdso /t6155 (alt-8 & earlier). (the alteration in drawing and specifications issued by rdso up to one month prior to tender opening date shall be applicable to this tender) [ warranty period: 30 months after the date of delivery ] ]
Tender For corrigendum : supply of equipment for mechanical engineering department - supply of equipment for mechanical engineering department, lathe machine :specification :bed: 2v & 2 flat, induction hardened and ground minimum bed length: 1375 mm bed width: 240 mm capacity: height of centre: 165 mm swing over bed: 320 mm swing over gap: 510 mm swing over cross slide: 180 mm distance between centres: 650 mm slides: cross slide travel: 200 mm compound slide travel: 115 mm spindle: spindle bore: 40 mm spindle nose: thread type, 62 mm spindle taper: mt-3 tail stock: quill diameter: 38.1 mm taper: mt-3 travel: 120 mm speed: no. of speeds: minimum 8 range: (40 800 )rpm threading: metric: (1 6 )mm (min 13 steps) english: (2 24 )tpi (min 19 steps) lead screw: (1 4) tpi electrical: motor: 1.5 hp, 230v/415v, 50 hz drive: v-belt structure: bed: close-grained cast iron (fg 260) gears: hardened steel base: rigid cast iron stand , open cup apparatus :specification :standard compliance: astm d92 / is 1448 (part 69) test method: open cup flash and fire point determination test cup: brass, precision machined with heat resistant handle heater: electric heater (1000 w 10% nickel chromium) with variable control heating rate: 5 6 c per minute (as per standard) temperature range: -6 to 400 c thermometer: astm 11c or equivalent flame applicator: gas test flame with fine control valvebody: stainless steel housing display: analog / digital temperature indicator power supply: 230v ac, 50 hz safety: overheat protection heat insulation , closed cup apparatus :specification :standard compliance: astm d93 / is 1448 (part 21) test cup:brass cup diameter: 50.7 50.8 mm capacity: minimum 70 ml stirring system heater: electric heater 650 w 10% heating rate: 1 12 c/min adjustable ignition: pilot flame with automatic shutter mechanism temperature measurement: thermometer or digital sensor(ip-28c or astm) display: digital temperature display power supply: 230v ac, 50 hz safety:over-temperature cut-off flame safety control , tail stock assembly :specification :medium-duty tailstock assembly for dismantling & assembly quill stroke: minimum 75 mm taper: mt-3 (preferred standard) feed: hand wheel operated features: set-over screws for taper turning spindle locking arrangement body: cast iron (fg 260) spindle: hardened steel, slip gauge :specification :set size: m87 (87 pieces) or equivalent range: 1.001 mm to 100 mm step sizes: 0.001 mm 0.005 mm 0.01 mm material: high-grade alloy steel / tungsten carbide (preferred) hardness: hrc 63 65 accuracy: grade: grade 1 or grade 2 flatne flatness / parallelism: 0.5 m stored in protective wooden boxes to prevent wear; calibration grades include charts for exact sizes , dc motor:specification :type: dc shunt motor (dismantling model) power: minimum 0.5 hp voltage: 220 v dc speed: 1500 rpm poles: 4 pole construction: laminated stator salient poles accessible armature features: cut section / open type suitable for dismantling and reassembly, hydraulic cylinder :specification :bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steel calibration grades include charts for exact sizes supply: mounted on training base suitable for dismantling and inspection , hydraulic operated directional control valves (dcv):specification :type: manual spool type dc valve configuration: 4/2 way size: ng06 (cetop 3) rated pressure: 210 bar flow capacity: 20 40 lpm body: hardened steel / cast steel spool: ground and hardened ports: clearly marked (p, a, b, t) supply: mounted on training plate suitable for dismantling and study , bearing with shaft assembly :specification :bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steelsupply:mounted on training base suitable for dismantling and inspection , coupling unit using
Tender For procurement of single gap strip seal expantion joint with loop anchor type for works contract for owg bridge to cater movement and supervision of job during installation of expansionjoints as sub contract basis at nhpc tarkhola site
Tender For corrigendum : supply of windbox" u" bend type expansion jt size: 13343 x 12418 x 70 mm , windbox" l" type expansionjointssize: 1715 x 765 mm
Tender For corrigendum : supply of metallic bench with wooden plank on top , a shaped metallic structures , v shaped metallic structures , t shaped metallic structures , h shaped metallic structures , y shaped metallic structures , l shaped metallic structures , u shaped metallic structures , plus shaped metallic structures , metallic circles , metallic semi circles , metal poles with circular or square plate on top , goal post shaped metallic structures , circular disc attached to poles with chains , metallic drum 1mx60cm , small swings , miscellaneous metallic structures as per diagrams , inclined ramp with support four ramps on one support , figure 8 structure metallic , spider web structure with ropes , ramp and slide set of 4 structures , barrels , balancing beams , screen jump , rope bridge , tarzan swing goal post with platform , double platform set , double ditch goal post , commando walk , tiger leap goal post with platform , rope climbing goal post , grout points , cement pcc blocks , gst 18 percentage ) /bid number : gem/2026/b/7427728 * /dated: 20-05-2026 & & / bid document 1 / 31
Tender For corrigendum : manufacture and supply of cast steel slide chair rdso drg. no. t-9636 and cast steel special flat bearing plate to rdso drg. no. t9637 to t-9649 and m.s. flat tie bar to rdso drg. no. t-9650 for retro fitment in 10125 mm with thick web switch of 60 kg (uic)/60e1 on psc sleeper laid to rdso /t6155 (alt-8 & earlier). (the alteration in drawing and specifications issued by rdso up to one month prior to tender opening date shall be applicable to this tender) [ warranty period: 30 months after the date of delivery ]