1. Location : Seoul Metropolitan    2. Client : Seoul Metropolitan Rapid Transit Corporation    3. Construction Period : Dec. 1993 ~ Dec. 1999    4. Description of the Project    1) Chungdam Grand Bridge    2) Type : V Shape Steel Deck Bridge    3) Main Span : 60+6@90+60=660m    4) Length : 1,210m

1. Location : Masan-si ~ Changwon-si, Gyeongsangnam-do    2. Client : Gyeongsangnam-do    3. Construction Period : Apr. 2005 ~ Jun. 2008    4. Description of the Project    1) Machang Grand Bridge    2) Type : Steel Composite Cable Stayed Bridge    3) Main Span : 170+400+170=740m    4) Length : 1,700m

1. Location : Chuncheon-si, Gangwon-do    2. Client : Gangwon Province    3. Construction Period : Oct. 2003 ~ Oct. 2008    4. Description of the Project    1) Seosang 1 Bridge    2) Type : Concrete Edge Girder/Truss Bridge    3) Main Span : 2@75=150m    4) Length : 1,850m