Latest spheribloc Tenders | Government spheribloc Tenders

CTN :45090314

29 May, 2026 NA

Kharagpur - West Bengal

Tender For manufacturing and supply of alumino thermic welding portions of 60kg/90uts (1000 nos) 60kg/60ei-r260 grade rails (9653 nos.) as approved by rdso and welding in-situ with single shot crucible as per ir specification in connection with track renewal and maintenance work in kharagpur division under the jurisdiction of sr.den(east)/kgp. total (10653 nos)

Central Government/Public Sector

CTN :45091989

19 May, 2026 NA

Perambalur - Tamil Nadu

Tender For supply of spheribloc (imported make only) for axle guide link/tm torque arm for wap7 locos and gear case toque arm as per rdso spec.no. rdso/2007/el/spec/0051/rev.3 and abb drg.no ia016-00005 rev.3. (clw drg.no.1209.01.215.005), similar to bhc part no. 2-0080-604/10004768. [ warranty period: 30 months after the date of delivery ]

Central Government / Public Sector

CTN :45076980

03 Aug, 2026 NA

Jeypore - Odisha

Tender For jeypore-malkangiri new bg railway line: design & construction of new bg railway line from km 41.50 to km 69.60 (including nunkhari station) involving earthwork in formation, embankment/cutting, blanketing, side drains, catch water drains, minor bridges, major bridge, road under bridge (rubs), viaducts, tunnels, protection works, blt works, p.way track works with contractor's own materials (except new/sh rails), construction of platforms, station buildings, service buildings, sp/ssp buildings and residential buildings, water supply, indoor and outdoor electrification, provision of 1x25 kv conventional type ohe, tunnel ohe with rocs, tunnel lighting, tss, sp, general power supply arrangements modifications/conversion to underground for overhead electrical ht/lt power line crossings etc on epc basis in waltair division of east coast railway.

Central Government/Public Sector

CTN :45038613

11 May, 2026 NA

Chennai - Tamil Nadu

Tender For supply of spheribloc for wap-7 as per rdso spec. no. rdso/2007/el/spec/0051 rev.4 & drawingno. ia016- 00005 rev.3. [ warranty period: 72 months after the date of delivery ]

Central Government/Public Sector

CTN :45024261

02 Jun, 2026 NA

Ratlam - Madhya Pradesh

Tender For (i) earthwork & blanketing in embankment /cutting in formation of bg line including bridge & tunnel approaches etc., construction of bridge work (major/minor - sub structure and super structure) as per railway's approved design and drawing, construction of approach road/retaining/boundary/toe wall/diversion drain, supply & spreading of machine crushed stone ballast, laying and linking of bg track for main line, loop lines and points & crossing etc. in section, transportation of p.way materials, welding of rails, and other incidental miscellaneous works etc. between rajpura (excluding) (ch:41320)- choral (excluding) (ch:49520) block section in connection with gauge conversion of dr. ambedkar nagar (mhow) - sanawad section in ratlam division of western railway.(ii) construction of single line bg tunnel no.13 (length: 1.6 km ch:42800 to ch:44400 in rajpura-choral section) & tunnel no.14 (length: 2.29 km ch:55700 to ch:57990 in choral-mukhtiyara balwada section) including ballastless track (blt).

Central Government/Public Sector

CTN :45027134

22 May, 2026 NA

Multi City - Multi State

Tender For supply of 6400 mm curved switch with 60e1a1 thick web tongue rail and 60 kg. 60 e1r260 grade stock rail for 1 in 8.5, bg 60 kg. symmetrical split turnout on psc sleeper to rdso drawing no. t-8708 alt. 1 or latest alt if any with elastic fasteners and spring operated setting device (rdso - t - 6216 with latest alteration), confirming to irs specification no. t- 10 - 2025, irs t- 12 - 2009 for flat bottom rails and irs t- 62 - 2025 for end forging of thick web asymmetrical rails, including nylon cord reinforced grsp with confirming to irs specification t- 55- 2025 (rev. 1) or latest if any and supply of all components/fittings listed as per part-a and excluding elastic rail clips, metal liner/insulating liner (hvn), check rails etc. ( the alt. in drawings & specification issued by rdso upto 10 days prior on tender opening date shall be applicable in this tender ) firm to note (i) : nylon cord reinforced grsp should only be purchased from rods-approved sources through process inspection. (ii) note: - the responsibility to procure rails will solely lie with the manufacturer (bid including rail cost/per set) in terms of railway board letter no. 2022/track-i(p)/fabricators dt. 24.01.2022 (iii) the unique code shall be provided by the firm by punching/embossing on each set of tws, so that it can be correlated with the type of set-i.e., the type of flexure and the specified limit of degree of flexure suitable for left-hand or right-hand application. (iv) firm to supply 10 % additional fittings as mention in rdso drg. t-8708 alt. 1 of part 'c' [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :44996281

11 May, 2026 NA

Multi City - Multi State

Tender For supply of 6400 mm curved switch with 60e1a1 thick web tongue rail and 60 kg. 60e1r260 grade stock rail for 1 in 8.5, bg 60 kg. turnout on psc sleeper to rdso drawing no. t-9775 alt. 3 or latest alt if any with elastic fasteners and spring operated setting device (rdso-t-6216 with latest alteration), confirming to irs specification no. t-10-2025, irs t-12-2009 for flat bottom rails and irst- 62 - 2025 for end forging of thick web asymmetrical rails, including nylon cord reinforced grsp withconfirming to irs specification t-55-2025 (rev. 1) or latest if any and supply of all components/fittings listed as per part-a and excluding elastic rail clips, metal liner/insulating liner (hvn), check rails etc.(the alt. in drawings & specification issued by rdso upto 10 days prior on tender opening date shall be applicable in this tender ) firm to note : nylon cord reinforced grsp should only be purchased from rdso-approved sources through process inspection.(the inspection certificate should be attached) (i) note: - the responsibility to procure rails will solely lie with the manufacturer (bid including rail cost/per set) in terms of railway board letter no. 2022/track-i(p)/fabricators dt. 24.01.2022 (ii) the unique code shall be provided by the firm by punching/embossing on each set of tws, so that it can be correlated with the type of set-i.e., the type of flexure and the specified limit of degree of flexure suitable for left-hand or right-hand application. (iii) firm to supply 10 % additional fittings as mention in rdso drg. t-9775 alt. 3 of part 'c' [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :44994962

22 May, 2026 NA

Kota - Rajasthan

Tender For sr.den(n) section- welding of 60kg-52kg 90uts & r-260 rails in-situ with single shot crucible fitted and supply of at weld portions in connection with various sanctioned track works.

Central Government/Public Sector

CTN :44824054

11 May, 2026 NA

Multi City - Multi State

Tender For corrigendum : supply of 6400 mm curved switch with 60e1a1 thick web tongue rail and 60 kg. 60 e1 r260 grade stock rail for 1 in 8.5, bg 60 kg. turnout on psc sleeper to rdso drawing no. t-9775 alt. 2 or latest alt if any with elastic fasteners and spring operated setting device (rdso- t - 6216 with latest alteration), confirming to irs specification no. t - 10 - 2025, irs t- 12 - 2009 for flat bottom rails and irs t- 62 - 2025 for end forging of thick web asymmetrical rails, including nylon cord reinforced grsp with confirming to irs specification t- 55 - 2025 (rev. 1) or latest if any and supply of all components/fittings listed as per annexure-a and excluding elastic rail clips, insulating liner, plate screw & single coil spring washer etc. (the alt. in drawings & specification issued by rdso upto 10 days prior on tender opening date shall be applicable in this tender ) firm to note : nylon cord reinforced grsp should only be purchased from rdso-approved sources through process inspection. (i) note: - the responsibility to procure rails will solely lie with the manufacturer (bid including rail cost / per set) in termsof railway board letter no. 2022 / track-i(p)/fabricators dt. 24.01.2022 (ii) the unique code shall be provided by the firm by punching / embossing on each set of tws, so that it can be correlated with the type of set- i.e., the type of flexure and the specified limit of degree of flexure suitable for left-hand or right-hand application. (iii) firm to supply 10 % additional fittings with each set as per note-26 of rdso drg. t-9775 alt. 2 of list ' a '. [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :44858944

15 May, 2026 NA

Multi City - Multi State

Tender For corrigendum : supply of thick web switch expansion joint (twsej) as per rdso drg.no:t-8822 alt.4 orlatest alt.,for lwr bg (1673 mm) for 60e1 rail (r260 grade) with elastic fasteners and, confirming to irs specification no.t-10-2025, irs t-12-2009 for flat bottom rails, and irs specification no.t - 62 -2025 for end forging of thick web asymmetrical rails, including nylon cord reinforced grsp with confirming to irs specification t-55-2025 (rev.1) or latest if any and supply of all components/fittings listed asper annexure-i excluding elastic rail clips, insulating liner, plate screw, sleeper etc. (the alt in drawings and specifications issued by rdso up 10 days prior to tender opening date shall be applicable in this tender) firm to note :(i) nylon cord reinforced grsp should only be purchased from rdso-approved sources through process inspection. (ii) the responsibility to procure rails will solely lie with the manufacturer (bid including rail cost/per set) in terms of railway board letter no. 2022/track-i(p)/fabricators dt. 24.01.2022. (iii) firm to supply additional 20% of the quantity of the attach listed items with each purchase order as per annexure-i of rdso drg. (t-8822 alt.4). [ warranty period: 30 months after the date of delivery ]

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