bangkok metropolitan administration - department of public works


  • design and build competition
  • development of two design alternatives for the contractor group chor-karnchang, public company limited (bangkok) and hitachi zosen corp. (japan)
  • work done in association with scandiaconsult international (stockholm), arun chaiseri engineering and sea consult (bangkok)
  • competition result : 2nd

scope of work of T ingénierie sa

consultant organisation :

  • project management and conceptual design of the approach spans: scandiaconsult international
  • conceptual design of main bridge: T ingénierie sa
  • foundations: arun chaiseri
  • road works and local coordination: sea consult


  • . asymetrical cable stayed bridge over the chao prahia river, in the historical center of bangkok
  • . architectural and urbanistic integration study
  • . 5 km of elevated road as approach bridge
  • . cable stayed bridge: inverted y pylon, main span 300m balanced by a very short side span with counterweight (160 m)
  • . first alternative includes a composite cross section with lateral suspension
  • . second alternative present a steel box girder with central suspension
  • . global estimated costs (approach + main bridge) : approx. chf 120’000’000 .-


competition 1998

construction 2000-2003 with australian group of

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