Undersea Tunnel Tenders

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Central Government / Public Sector

CTN :44434421

18 Mar, 2026 NA

Rishikesh - Uttarakhand

Tender For expression of interest to associate with ircon as pre bid partner for dsitc of indoor and outdoor signalling including ei and associated works at stations and t1 to t16 tunnels between rishikesh and karnaprayag in moradabad division of northern railway uttarakhand.

corporations/Associations/Others

CTN :44438659

20 Mar, 2026 99.35 Lacs

Multi City - Gujarat

Tender For underwater videography, bathymetric survey, inspection and trc trash rack cleaning of collection pool and tail race tunnels at sardar sarovar dam -ugrbph.

Central Government And Public Sector

CTN :43541260

06 Apr, 2026 3137.82 Crore

Hapoli - Arunachal Pradesh

Tender For corrigendum : construction of head race tunnels including intakes, pressure shafts, penstocks, power house cavern, transformer cum gis cavern, draft tube gate operation chamber including gate shafts, downstream surge cavern, tail race tunnels, pothead yard, adits including approach roads of kamala h.e. project (1720mw), kamle district, arunachal pradesh, (lot-2)

CTN :43949510

17 Mar, 2026 NA

Kolkata - West Bengal

Tender For corrigendum : empanelment of agency(ies) / vendor(s) for various jobs in various sectors through expression of interest(eoi) from indian companies having experience in metros, railways, highways, marine and port works, major bridges, tunnels, etc

CTN :44384113

29 Mar, 2026 15.00 Lacs

Bangalore - Karnataka

Tender For to run multiple software and monitor underground mine and tunnels for seismic harzard analysis.

State Government

CTN :43763008

19 Mar, 2026 NA

Gandhinagar - Gujarat

Tender For corrigendum : providing of facility management services - lumpsum based - thermal power plant; work of housekeeping of various tunnels and covering and removing work of tarpaulin sheet for preserve of dry coal on as and when require basis of chp gtps; consumables to be provide..

Central Government And Public Sector

CTN :44042558

16 Mar, 2026 19.95 Crore

Kudankulam - Tamil Nadu

Tender For corrigendum : supply, fabrication, installation of ventilation, fire fighting and chilled water systems of ukz and ubz tunnels of kknpp 5

CTN :44330316

04 Apr, 2026 NA

Jammu - Jammu And Kashmir

Tender For supply, installation, testing and commissioning of dewatering pumps in tunnels t- 35, t-36 and t-42 in the katra-banihal section of udhampur- srinagar- baramulla rail link project, jammu & kashmir

CTN :44270293

24 Mar, 2026 NA

Srinagar - Jammu And Kashmir

Tender For design, supply, installation, testing and commissioning of indoor and outdoor signalling works consisting of electronic interlocking with inbuilt block instrument, dual ssdac, msdac, integrated power supply system, data loggers, rdpms etc., and associated works at stations yog nagri rishikesh, shivpuri, byasi, devprayag, janasu, maletha, srinagar, dhari devi, tilani, gholtir, gauchar, and karnaprayag (120.30 km) section, including tunnels t1 to t16, in connection with the new single bg rail line between yog nagri rishikesh and karnaprayag in moradabad division of northern railway in the state of uttarakhand, india