Undersea Tunnel Tenders

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CTN :44996598

15 Jun, 2026 NA

Dimapur - Nagaland

Tender For corrigendum : engineering, procurement & construction of "design, supply, erection & commissioning of tunnel ventilation, electrical and mechanical system and 33kv/11kv sub-station, fire fighting system equipments at tunnel no. 1 in connection with dimapur - kohimal new bg line project. (3.5 km)

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 :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.

CTN :45211366

15 Jun, 2026 NA

Dimapur - Nagaland

Tender For engineering, procurement & construction of "design, supply, erection & commissioning of tunnel ventilation, electrical and mechanical system and 33kv/11kv sub-station, fire fighting system equipments at tunnel no. 1 in connection with dimapur - kohimal new bg line project. (3.5 km)

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

CTN :45285276

15 Jun, 2026 NA

West Singhbhum - Jharkhand

Tender For supply of tents for gangs under sse pway unit as per technical specification 1).wind resistance= yes, around 45-50 kmph, 2). capacity:= bedrooms 140 x 210cm, living room = 8 sqm with basin ground sheet, 3). darkness = upf 30 fabric. 4) water proof= yes, flysheet > 2000 mm, ground sheet >2400 mm 5) weight & dimension for transport = 18-20 kg (maximum) rectangular cover, 62 cm x 32 cm x 32 cm 6) number of person capacity= 6 person with living area. 7) free standing tent= yes, 8) assembly type= assembly with poles. 9) type of poles= fibre glass, 10) storage space = yes, 11) shape of tent= tunnel. 12) double roof materials = polyster 13) number of rooms = 3 rooms 14) main material= polyster. sample to be approved by consignee before bulk supply. [ warranty period: 24 months after the date of delivery ] ]

State Government

CTN :45304275

12 Jun, 2026 22.40 Lacs

Doda - Jammu And Kashmir

Tender For complete overhaul, upgradation, and modernization of the existing underground tunnel illumination system in the right bank tunnel of bhep stage-ii by way of providing, installing, testing, and commissioning energy-efficient overhead led luminaires wi

State Government

CTN :45304287

12 Jun, 2026 8.00 Lacs

Doda - Jammu And Kashmir

Tender For supply, installation, testing, and commissioning (sitc) of three (03) nos. 5 hp dewatering pumps (one each for adit 2f, adit 2p, and cable tunnel) along with associated control panels, piping, valves, supports, and accessories in power house stage-ii