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Tender For construction of cut and cover tunnel on pile foundation with touch piles on both sides between ch 39457 - 39492 and cut and cover tunnel (open foundation between ch 39492 - 39620 as slope protection measure in connection with dimapur (dhansari) - kohima (zubza) new bg railway line project.
Tender For corrigendum : appointment of authority engineer for providing project management services for "design, procurement & construction of rcc box metro tunnel including birati ug station building & subways (with entry-exit structures) for two underground metro stations (birati & michael nagar) by cut & cover method (top down with diaphragm wall/ bottom up method with support arrangement) including architectural finishing, firefighting, water supply, sanitary installation, drainage & blt works, e&m service, ecs service, tvs services, power supply system with 750 v dc traction system including composite aluminium third rail, from ch: 6.250 km to ch: 9.840 km including all ancillary works in connection with extension of metro railway from noapara to barasat via bimanbandar-tender no. epc-2489-2024"
Tender For appointment of authority engineer for providing project management services for "design, procurement & construction of rcc box metro tunnel including birati ug station building & subways (with entry-exit structures) for two underground metro stations (birati & michael nagar) by cut & cover method (top down with diaphragm wall/ bottom up method with support arrangement) including architectural finishing, firefighting, water supply, sanitary installation, drainage & blt works, e&m service, ecs service, tvs services, power supply system with 750 v dc traction system including composite aluminium third rail, from ch: 6.250 km to ch: 9.840 km including all ancillary works in connection with extension of metro railway from noapara to barasat via bimanbandar-tender no. epc-2489-2024"
Tender For corrigendum : consultancy services for carrying out tunnel ventilation design for railway highway metro station buildings and underground caverns for highways railways metros rrts mrts defence other infrastructure projects
Tender For corrigendum : consultancy services for carrying out tunnel mep design electrical scada and plumbing for railway highway metro station buildings and underground caverns for highways railways metros rrts mrts defence any other infrastructure projects.
Tender For site investigation, collection of field data, analysis, preparation of drawings, design in 6 copies, rectification of alignment for tunnel 25 and tunnel 26 and from tunnel 27 (portal 2) to tunnel 1 (portal 1) at tupul yard. the scope includes desk studies, traverse mapping, geophysical surveys, sub-surface investigation, geological investigation, geological global stability analysis, logging, report preparation, and supervision during construction of tunnel no. 25 & tunnel no.26 and proposed structures in tupul yard from tunnel 27 (portal 2) to tunnel 1 (portal 1), major bridges, under the jurisdiction of the deputy chief engineer (construction) - 4,3-imphal, deputy chief engineer/jiribam in connection with construction of jiribam-imphal new broad gauge line project (manipur) of north east frontier railway.
Tender For scr construction organization - engineering, procurement and construction (epc) - contract for "construction of new bi-directional twin tunnels on diversion (1) main tunnel of 6.70 km long each (6.05 km main tunnel length + 0.65 km main cut & cover length and 1.8 km approach length for main tunnel) (2) evacuation tunnel of 6.70 km long each (6.05 km evacuation tunnel length + 0.65 km evacuation cut & cover length and 1.8 km approach length for evacuation tunnel) , total 8.5 kms length including approaches on blt and other allied works between usarani-jamod stations from km: 669.000 to km: 677.500 of akot - amlakhurd section in connection with akola-khandwa gauge conversion project in nanded division of south central railway"