HAI VAN TUNNEL (04/2005)

Palembang Airport Development Project (02/2005)

Itsutsugaoka Tunnel on the Tokai Ring Expressway (06/2004)

Urgent Rehabilitation of Bridges on Principal Road in the Republic of
El Salvador (02/2003)

Construction plan of Irama & Democrasia bridges (Republic of Honduras) (03/2002)