Latest undersea tunnel Tenders | Government undersea tunnel Tenders

State Government

CTN :45111495

13 May, 2026 34.39 Lacs

Jharsuguda - Odisha

Tender For shifting of 11 kv line from brajrajnagar feeder from hiltop to tunnel road for widening and strengthening of gnadhi chowk to brajrajnagar railway station road for the year 2025-26

Central Government/Public Sector

CTN :45115387

29 May, 2026 NA

Bangalore - Karnataka

Tender For 1)sbc-tk-spgr section- proposed construction of rob at lc.no50 @km:85/700-800 42m composite girder 2)proposed construction of rub at lc gate no.48 @km 81/500-600 between mallasandra and gubbi stations in aden/ypr sub division 3)sbc-tk-spgr section-proposed limited height subway at old lc43 (rub n0.297 b at km:73/000-100 near bheemasandra - rcc box of size 1x5x2.25 by rolling/ launching method 4)ypr-spgr section-proposed subway at old shettyhalli gate km 67/700-800 neat shettyhalli- (bridge no.308-d) rcc box of size 1x4x2.25 by rolling/launching method 5)provision of lifts at gbd railway station for pf-1 & pf-2&3 6)provision of two escalators (down direction) at pf-1 & pf-2&3 of kengeri railway station (pid: 14.01.53.25.3.50.008) 7)jtj-sbcsection- proposed pedestrian subways to facilitate crossing of railway alignment by cattle, pedestrians and smaller vehicles in various locations as rcc box of size 1x5mx2.65m (barrel length = 18.36 mtrs) by rolling/launching method 8)sbc-spgr section- proposed pedestrian subways to facilitate crossing of railway alignment by cattle, pedestrians and smaller vehicles in various locations as rcc box of size 1x5mx2.65m (barrel length = 18.36 mtrs) by rolling/launching method (total 11 nos) 9)ypr-ynk section- proposed pedestrain subway at sahakara nagara at km 13/200-300 near nti layout- rcc box of size 1x4x2.25 by rolling/launching method in aden/ypr sub-division 10)provision of dg sets at running rooms and crew rest rooms over sbc division 11)improvement of illumination in tunnel (600m length) near tasa at km 42/750 - 43/350 12)sbc-spgr section - proposed extension of fob at ndv station to accommodate raod-1a with stair & lift 13)implementation of investment grade energy audit (igea) recommendations at 30 locations over sbc division

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 :45036933

22 May, 2026 NA

Nagpur - Maharashtra

Tender For i)trenching, laying, splicing of optical fiber cable cable in hdpe telecom duct and laying, jointing & termination of underground 0+0+6 quad cable & pijf cable and supply of material in connection with new bg line work including tunnel communication work in kalamb-yawatmal section of nagpur division of central railway. ii) indoor and outdoor signaling & telecom work including supply of materials, installation, testing & commissioning for utility shifting work in connection with provision of 3rd & 4th line in wardha- badnera section of nagpur division of central railway.

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).

CTN :44983956

14 May, 2026 NA

Ratnagiri - Maharashtra

Tender For supply, installation, testing and commissioning of air circuit breakers (acb) at tike (6 nos) and berdewadi (6 nos) tunnel ventilation system subststions under ratnagiri region of konkan railway.

CTN :44983957

14 May, 2026 NA

Ratnagiri - Maharashtra

Tender For design, supply, installation, testing and commissioning of vfd starters for 22 kw ventilation jet fans at tike (10 nos) and berdewadi (10 nos) tunnel ventilation system under ratnagiri region of konkan railway.

Central Government / Public Sector

CTN :44956051

15 May, 2026 NA

Multi City - Multi State

Tender For supply, installation, testing and commissioning of integrated tunnel communication systems, ofc/quad/leaky cable , provision of emergency call points etc intunnels and stations in connection with doubling of gnt-gtl line in dmt-cmz & cmz-gzl section of gnt division of south central railway

Central Government / Public Sector

CTN :44607842

16 Apr, 2026 NA

Vijayawada - Andhra Pradesh

Tender For corrigendum : supply, installation & commissioning of goods x-ray parcel scanner at rgda railway station duly compiling the specification attached with all standard accessories . i.e 1.control desk 2.motorised input and output conveyor each side 3. conveyor speed-0.2m/sec ,display-24 inch full hd real-time display monitors ,4- penetration-50mm steel guaranteed. 5- parcel scanning machine tunnel size 1500-1800mm(w)x1800-2100mm(h).5- two(2) numbers of monitors.6- voltage stabilizer- 5kva online ups with minimum one hour battery back up with installation.7- conveyor load- 3000kg or more,8- conveyor belt height -300 to 360mm. make- vehant or similar type. warranty period 72 months from date of commissioning. [ warranty period: 72 months after the date of delivery ]

CTN :44824070

30 Apr, 2026 NA

Pernem - Goa

Tender For corrigendum : detailed design consultancy (ddc) and site services / supervision - (i) for the construction of two new tunnels - one parallel to the existing 544 m long old goa tunnel, and the other parallel to the existing 1561 m long pernem tunnel and also (ii) for the rehabilitation of the existing old goa and pernem tunnels on the konkan railway route, in the state of goa, india

Undersea Tunnel Tenders

By Cities

By States

By Agencies

By Ownerships

By Sectors

State Government

Central Government/Public Sector

Central Government / Public Sector

Central Government/Public Sector

Central Government/Public Sector

Central Government / Public Sector

Central Government / Public Sector