Birsoy Mühendislik
PROJELER / Infrastructure

Power infrastructure for bridges

Electrical infrastructure, maintenance and mobilisation works on the Osmangazi, 15 July Martyrs and Fatih Sultan Mehmet bridges.

Power infrastructure works on a suspension bridge tower
IHI
PROJECT DETAILS
Client
IHI
Sector
Infrastructure
Status
Completed
Bridges
Osmangazi, 15 July, FSM
Client
IHI
Highlight
Submarine cable installation
ABOUT THE PROJECT

Tailored to the need,
proven on site.

After the Bosphorus and Fatih Sultan Mehmet bridges in Istanbul, Birsoy Mühendislik also undertook the electrical works of the Osmangazi Bridge, signing major transport infrastructure projects. The works carried out with IHI cover a wide scope, from lighting poles to medium and low-voltage cables, submarine cable installation and mobile transformer substations.

Scope of work

  • Supply and installation of lighting poles
  • Supply and installation of medium-voltage cables
  • Supply and installation of low-voltage cables
  • Supply and installation of switchboards
  • Operational and protective earthing of north and south sites
  • Supply and installation of residual current breakers
  • Transformer switchboard
  • Maintenance and repair of the Bosphorus and FSM bridges' electrical infrastructure
  • Submarine cable installation
  • Supply and installation of mobile transformer substations

Source: Birsoy Mühendislik 2022 catalogue portfolio, p. 16. The project information here reflects the catalogue period.

PROJECT PROGRESS

Step by step
through to handover.

Completed

Stage 5 / 5 · Handover

Last update: 19 October 2026

Overall progress100%

Work packages

Engineering and design100%
Procurement100%
Cabling and wiring100%
Switchgear and transformer installation100%
Testing and commissioning100%
  1. Survey and designcompleted
  2. Approvals and procurementcompleted
  3. Site installationcompleted
  4. Testing and commissioningcompleted
  5. Handovercompleted
PROJECT LOCATIONS

Where we
worked.

3 locations