Gokbilge Engineering

Projects

Reference, engineering and tender projects since 1997

A track record across high-speed rail, energy, industrial facilities, defense infrastructure and public-sector construction, delivered as EPC contractor, engineering consultant or constructor's project manager.

Aerial view of the completed Suduragi-Ayranci high-speed railway line running through farmland, part of a completed Gokbilge infrastructure project.
Aerial view of the completed Suduragi-Ayranci high-speed railway line with overhead catenary running through farmland.

Completed project · 2016-2017

Suduragi-Ayranci high-speed railway section, part of the Karaman-Ulukisla line

Construction of 23 route-km of double-track high-speed railway (approximately 46 track-km, design speed >250 km/h) on the Suduragi-Ayranci section, including 1.2 km of NATM tunnel, three viaducts and bridges, four underpasses and five overpasses.

  • 23 route-km of double-track railway (approximately 46 track-km); first line completed
  • 1.2 km NATM tunnel, three viaducts, nine grade-separated crossings
  • Track testing coordination ahead of traffic diversion to the new line
Aerial view of the completed Senkron natural stone processing facility in Afyon with covered production halls and stone slab storage yard.

Completed project · 2013-2016

Senkron natural stone processing factory EPC, Afyon

Full EPC delivery of a natural stone processing facility in Afyon, covering process layout, mechanical installation and commissioning.

  • Process layout and equipment specification
  • Mechanical installation of processing lines
  • Commissioning and acceptance testing
Ankara-Sivas high-speed railway design — illustrative image, not an on-site photograph

Engineering assignment · 2008-2009

Ankara-Sivas high-speed railway design

Design services for a section of the Ankara-Sivas high-speed railway corridor.

  • Alignment and structural design
  • Interface coordination with civil contractors
  • Technical documentation for tender stage
Aerial view of the Mirwais Bridge overpass crossing a busy market street in Kabul, Afghanistan.

Completed project · 2009-2010

Mirwais Bridge EPC, Kabul

EPC delivery of the 500-metre Mirwais Bridge in Kabul, Afghanistan, for Suleyman Sahin Inşaat.

  • Prestressed concrete structural design and construction
  • Site supervision under international project conditions
  • Handover to local authorities
Umut Hospital EPC — illustrative image, not an on-site photograph

Completed project · 2005-2007

Umut Hospital EPC

EPC construction of Umut Hospital for Saner Holding.

  • Full building construction
  • MEP systems coordination
  • Handover for hospital operation readiness
Aerial view of the completed EGS Park shopping mall in Denizli with full parking lot and storefront signage.

Engineering assignment · 1998-2000

EGS Park shopping mall and congress centre, engineering and claims management

Engineering and claims management for the EGS Park shopping mall and congress centre in Denizli, a 150,000 sqm development built in 10 months, for Ayyildiz Inşaat.

  • Engineering coordination across mall, infrastructure and congress centre packages
  • Claims documentation and substantiation
  • Interface management between contractor and employer