Latest tunnel ventilation Tenders | Government tunnel ventilation Tenders

CTN :45388300

22 Jun, 2026 NA

Uttara Kannada - Karnataka

Tender For tender for supply of garbage ejection trunk filters -seal , shouldered bush 6.5x11x7 , shouldered bush 12x16x11.5 , 274 x 354 x 3 - mrgh type gasket , 295 x 333 x 3 - mrgh type gasket , coil , washer dec6 galvanized steel , hatch gasket , o-ring 291 , 47 x 6 , 99 20a8 gn , o-ring 21.30x3.60 20a8 , snap ring , o-ring r21 , o-ring 28.24x2.62 20a8 , o-ring 17 , 00x2 , 65-20a8-an , o-ring 53 , 00x2 , 65-20a8-an , o-ring 8 , 90x2 , 70-20a8 gn , o-ring 354 , 97x6 , 99-20a8-bn , pin , seal , removable pin , washer bp25 , plain washer12x19 th.1.5 , plain bearing , o-ring 5330bb 7.1x1.8-20a8 , o-ring 25 , 00 x2 , 65 20a8 an , o-ring 5330bb 67x2.65-20a8 , o-ring 106x3.55 20a8 , o-ring 400x7 20a8 , differential manometer oil bath d150 0-6 bar , manometer inox bh nd100 type a 0-4 bar , manometer inox bh nd100 type a 0-10 bar , manometer inox bh nd100 type a 0-16 bar , manometer inox bh nd100 type a 0-40 bar , manometer inox bh nd100 type a 0-60 bar , manometer inox bh nd100 type a 0-100 bar , manometer inox bh nd100 type a 0-250 bar , manometer inox bh nd100 type a 0-400 bar , steel safety washer type n.l m30 , nl washer nd36 steel , annealed copper flat gasket 18 , 2 x 23 x 1 , 5 , annealed copper flat gasket d22 x 29 - nf r 93-920 , o-ring 24 , 60 x 3 , 60 20a8 gn , o-ring 45 , 00 x 3 , 55 20a8 an , thermometer 0100mmtype a -10 to 60 degree c capillary k 5m , hydrostatic pressure gauge nd100type b from0 to 650 m , programmable temperature detector with 110mm. probe length , packing , safety wire dia 1 l900mm , self-lubricating ring , support ring cp 3-35-52 , back-plate , tapered roller bearing 80x125x29 , spring pin e 5x40 , washer dic 6 , grease nipple lub g83 8 , lock washer nd10 , combined bearing rax440 , combined bearing rax435 , lock tab washer nd36 stainless steel , asbestos free fibre gasket 29x47x2 , 3mm sheet expanded mica with stainless steel 316l insert , mrgh type gasket 249 x 317 x 3 , lip seal type a 35x50x7 , v ring seal v8a , stainless steel lock tab washer dn20 , nut h m16 stainless steel a4l-80 , level transmitter fmb52 , lock washer dn24 , lock washer dn8 , stainless steel lock tab washer dn6 , lockwire dia 0.8 st.steel , position detector end valve fresh air pipe cm-e-14-g21-3 , o-ring 7 , 5x1 , 8 , posn. detector - end vv - air pipe cm-e-14-g21-3 , stainless steel lock tab washer dn27 , screw hm14x70x34 , soda lime cells , filter element , filter element , 4 filter maintenance kit , cartdrige filter coalescente 1140x-sp , bronze frit filter , lock tab washer nd 16 , lev.process.module , o-ring , plunger pipe 30 25 , o ring for flange level , nord-lock wash 12 , repairing kit - seal 84x66x3 , tresse plate curve etame 15x1 , 5 16mm2 brin 0 , 15mm , sonic nozzle micron dia. 75mm , et200s tete de station , o-ring dia.27 , 8 - 3 , 6 , pore-type filter , pore-type filter , tube cleaning machine , filter element , filter cartridge , spring , seal , float level sensor , pre filter in synthetic fibres - fh system , ventilation filter , o-ring 18 , 30x3 , 60 20a8-gn , mechanical seal for rn no. 12ed000c0047

State Government

CTN :45343903

13 Jul, 2026 NA

Delhi - Delhi

Tender For design verification, detail engineering, supply, installation, testing and commissioning of electrical and mechanical system, dg sets, environment control system, tunnel ventilation system and building management system for 4 underground stations of phase -v(a) of delhi mrts.

CTN :44915803

30 May, 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)

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)

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)

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 And Public Sector

CTN :44807756

22 Apr, 2026 NA

Lumding - Assam

Tender For at hji-design, supply, installation, testing and commissioning of a passenger lift of 14 passengers (952 kg) capacity for g+1 floors (approx. 10 m travel), machine : gearless with permanent magnet motor located in the shaft at the top as per rdso specification no:rdso/2013/em/spec/0016 (rev '2'')-2025, complete with all associated electrical, mechanical and civil interface works and accessories, including 1.0 m/s vvvf drive, automatic centre-opening doors (minimum clear opening 700 - 2000 mm), car height 2400mm, finished floor height 2600 mm, pit depth 1600 mm and headroom 5000 mm; equipped with traction machine suitable for 952 kg load with 8-19s fibre-core self-lubricating ropes, guide rails, buffers and complete hoisting/suspension system; microprocessor-based monoblock control panel with closed-loop control, safety torque-off, automatic rescue device (ard), fireman operation, overload protection, emergency alarm/light and all mandatory safety features as per rdso spec; stainless-steel car with led lighting, ventilation fan, handrail, voice announcement system, vandal-resistant cop & lop with digital indicators; including all cabling, earthing, testing, commissioning, statutory clearances and handing over, along with 2 years comprehensive warranty covering all parts, labour and service. cost includes free maintenance of two years during warranty of lift as per rdso spec no.rdso/2013/em/spec/0016 (rev'2') - 2025 make-johnson/otis/schindler/omega elevators /techno industries or equivalent. [ warranty period: 24 months after the date of delivery ]

Central Government And Public Sector

CTN :43541980

15 Apr, 2026 NA

Thane - Maharashtra

Tender For corrigendum : detailed design consultancy services for the detailed design of architectural and tunnel ventilation system tvs, for two 02 underground stations thane junction and new thane of the thane integral ring metro project section length 3.35 km. - detailed design consultancy services for the detailed design of architectural and tunnel ventilation system (tvs), including ses simulation and cfd simulation of stations and tunnel; environmental control system (ecs); building management system (bms); and e&m services for two (02) underground stations—thane junction and new thane of the thane integral ring metro project (section length: 3.35 km).

CTN :44807613

30 Apr, 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)

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