Engineering

Engineering activities and services provided by Contragent 35

Installation of Overhead Contact Line (OHCL)

15.06.2020

Manufacturing, delivery and installation of:

  • Foundation for poles Catenary
  • Poles - concrete, steel (H profile), steel lattice, tubular poles
  • Backstays for poles
  • Hard spans and multitrack cantilevers
  • Flexible spans
  • Fastenings for cantilevers (brackets)
  • Cantilevers for Catenary
  • Silicone insulators for Catenary and overhead transmission lines (OHTL) (supply feeders)
  • Cantilevers for supply and return wire
  • Contact wire
  • Messenger wires
  • Electrical connectors-back feeders and longitudinal
  • Power supply and return wires
  • Suspension clamps for return wire
  • Suspension and tension clamps for supply feeder
  • Rigid and midpoint anchoring
  • Compensating devices
  • Concrete weights for compensating devices
  • Section insulators
  • Neutral sections
  • Droppers and dropper clamps
  • Surge arresters
  • Section disconnectors, motor and manual drives, control units
  • Earthing of metal parts of Catenary poles
  • Earthing elements for connection to the rails
  • Local earthing with grounding sticks, earth plates, bars, steel or aluminum insulated or uncovered wire, connecting fittings and branch-joint accessories
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