Latest undersea tunnel Tenders | Government undersea tunnel Tenders

Central Government / Public Sector

CTN :45392038

26 Jun, 2026 NA

Vijayawada - Andhra Pradesh

Tender For supply, installation & commissioning of goods x-ray parcel scanner at vskp 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.7conveyor 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 :45405360

15 Jun, 2026 NA

Ratnagiri - Maharashtra

Tender For supply of complete assembly of anti wind clamp (tunnel) comprising of all parts material and all as per rdso specifications eti/ohe/p/2550-3 for railway electrification use. [ warranty period: 30 months after the date of delivery ] ]

Central Government/Public Sector

CTN :45404726

24 Jun, 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

corporations/Associations/Others

CTN :45324249

09 Jun, 2026 1.62 Crore

Vijayawada - Andhra Pradesh

Tender For providing dust free bt renewal road with hot mix process and paver blocks for yerrakatta road from railway flyover to tunnel in circle-i , rc.e6-109935/2026 .( 15th fcg adp improvement of ambient air quality tied grant 2024-25)

Central Government/Public Sector

CTN :45280364

19 Jun, 2026 NA

Bhiwandi - Maharashtra

Tender For supply, installation, testing and commissioning of integrated security system consisting of ai based video surveillance system at goods sheds namely: new mulund (ngsm), kalyan (kyn), turbhe (tapg), taloja panchanand (tpnd), kalamboli (klmg), nagothane (ngtn), pen, bhiwandi road (bird), trombay (tmby), uran, roha, dadar parcel office & wadibunder (wb) parcel depot & 01 wagon inspection tunnel at pen of mumbai division, central railway with 01 year warranty and camc for 05 (five) years after expiry of warranty period of 01 year

Central Government / Public Sector

CTN :45193758

14 Jul, 2026 NA

Gunupur - Odisha

Tender For gunupur-theruvali new bg line project : design and construction of new bg railway line from km 122.750 to km 141.940 (excluding rcc box, rob br. no 388 from km 137.725 to 137.925 but including p way & ohe works) involving 08 nos of tunnels (t-2 to t-9) & from km 110.02 to km 113.12 involving 1 no tunnel(t-1), blt works & its approaches and earthwork in formation in embankment/cutting, blanketing, side drains, catch water drains, minor bridges, major bridge, road over bridge (robs), road under bridge (rubs), protection works, p.way track works with contractor's own material supplies including supply of track ballast, new wide based psc sleeper, special psc sleepers (for turnouts, improvised sejs, guard rails etc), point (thick web switches & wcms crossing, glued joints, h-beam/ composite sleepers over girder bridges, improvised sejs, all p-way fittings, ohe foundations, supply and erection of ohe masts, provision of 1x25 kv conventional type ohe (ohe-22.660tkm) including 2.86 km rocs in tunnel, provision of one feeding post (tss) modifications/conversion to underground for overhead electrical ht/lt power line crossings, construction of platforms, station buildings, fob, service buildings, sp/ssp buildings and residential buildings, water supply, indoor and outdoor electrification works etc in waltair division of east coast railway.

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 :45181248

15 Jun, 2026 NA

Kolkata - West Bengal

Tender For provision of integrated tunnel communication system for kk-i line (bdvr-slpm section) and kk-ii line (jrt-mvg section) over east coast railway.

CTN :45184715

10 Aug, 2026 NA

Multi City - Multi State

Tender For design & construction of broad-gauge single line railway siding between balaramapuram railway station on southern railway to vizhinjam international seaport including civil engineering works comprising of a 9 km long tunnel, 0.43 km long adit, their associated e&m works, earthwork in cutting/embankment and bridges in approaches, permanent way works including blt in tunnel, over head electrical traction works, associated power supply installation works, general electrical works, signalling & telecommunication, integrated tunnel communication, pa system and video surveillance system works etc., complete, in the state of kerala, project chainage : km (-)1.200 to km (-) 10.708 i.e., length: 9508 m on engineering, procurement & construction (epc) basis.

CTN :45271062

04 Jun, 2026 NA

Karwar - Karnataka

Tender For geophysical investigation of the pernem tunnel to ascertain the starta behind the lined portion and identify the development of any cavity in the sen/mao section of konkan railway in goa state (comp no. 70582)

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