From the rail formation to the last bay of a substation, Tejomarg is structured to work across the infrastructure value chain — eliminating interface risk on multi-package projects.
Rail corridor & trackNew lines, doubling, gauge conversion and yard remodelling — ballasted and ballastless permanent way built to RDSO standards. We handle formation, blanketing, plain and points-and-crossings track, linking and through-packing to final alignment and tamping.
Station & signallingElectronic and route-relay interlocking, automatic and semi-automatic block signalling, axle counters, point machines and data loggers — integrated with optical-fibre based train-control telecom. Installed, tested and commissioned to railway safety norms with full documentation.
Overhead equipment25 kV AC overhead equipment — foundations, masts and portals, contact and catenary wiring, and regulated tensioning — together with traction sub-stations, switching stations and traction SCADA. Delivered from survey and design through to charging and integrated testing.
EHV transmission towerEHV and HV overhead lines on lattice and monopole towers — route survey, foundation design and casting, tower fabrication supply and erection, and tension stringing of conductors and earthwire. Executed across voltage classes from 132 kV up to 765 kV.
AIS / GIS switchgearTurnkey EHV substations with air- and gas-insulated switchgear — civil and structures, transformers and reactors, bays and bus systems, protection, control and substation automation. From switchyard grading to charging, testing and handover of a fully commissioned station.
Substation & cable terminationHT and LT underground power cabling for urban and industrial corridors — trenching, ducting and cable tunnels, jointing and termination, plus trenchless crossings by horizontal directional drilling (HDD) and microtunnelling where open cut is not an option.
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