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Description :	Steel Bridge Quality Control Service for Gohyun~Hadong IC2 road const. project
Bridge Name :	2nd Namhae Grand Bridge
Owner :	Busan Regional Construction Management Administration
Client :	GS E&C Co., Ltd.
Prime Vendor :	Hyundai Engineering & Steel Industries Co., Ltd.
Remarks :	Project Name: Steel Bridge Quality Control Service for Gohyun~Hadong IC2 Road Construction Project. Name of Bridge: 2nd Namhae Grand Bridge Duration: May, 2015.5 - Apr.2017(24 months) Main Feature: Length 987mxBreadth 24.5m, Total steel weight 9,184Ton, The first cable suspension bridge with inclined pylon at one span in the world Span Composition(Main span: 16.75+24@15.0+45.0+43.5+45.0+24@15.0+16.75=887m Conjunction: 2@50=100m)

Description :	Steel bridge Supervision service for approach road construction project of Gogunsan islands(Work section #2)
Bridge Name :	Dandeung Bridge
Owner :	Igsan Regional Construction Management Administration, Steel bridge Supervision service for approach road construction project of Gogunsan islands(Work section #2)
Client :	Hycon Engineering Co., Ltd.
Prime Vendor :	Daelim C&S Co., Ltd.
Remarks :	• Project Name : Steel bridge Supervision service for approach road construction project of Gogunsan islands(Work section #2) • Service Duration : July 2013 ~ June 2014 • Constructor : Daelim E&C • Supervision Company: Hycon Engineering Co., Ltd. • Bridge Name : Dandeung Bridge • Location : Sinsido-ri ~ Munyeodo-ri, Okdo-myeon, Gunsan-si, Jeollabuk-do, Korea • Overview : Toatal Steel Weight 2,587Ton, Single-span/ Single Pylon cable suspension bridge & Cable span(main span425+280=705m), The first one pylon earth- anchored cable suspension bridge in Korea, Width(20.0m, 2-lanes), World's longest single pylon suspension bridge(sag-span ratio : 1/9) • Deck System : type(dege steel box), Height 1.8m, Depth/ width ratio 9.0%, Aerodynamic stabilizing system(Fairing installation both sides of the girder), Const. method(full hinged deck connection by F/C), Design wind velocity(44.9m/sec) • Cable : type(2 PWS cables, fpu=1,960MPa), Section(Ø5.35mm x 336 wires x 12 strands, A=0.0906m2), Diameter(Ø379.8mm, Void ratio: 20%), Const. method(Air Spinning), Weight 10,595KN, Wrapping(S-shape wire, t=3mm) • Hanger : type(CFRC, fpu=1,570MPa, 1,670MPa, Section(Ø75, Ø100 : 8 x WS(36)+CFRC, Arrangement(24@16m), Weight 390KN • Pylon : type(A & D-type concrete pylon), Height 105m, Const. method(Auto climbing form)

Description :	Steel bridge supervision service for Approach Road construction project of Yeosu national Ind. complex(work section#3)
Bridge Name :	Yi Sunshin Bridge
Owner :	Jeollanam-do, Steel bridge supervision service for approach road construction project of Yeosu national Ind. complex(work section#3)
Client :	Dong-A Engineering Co., Ltd./Hankook Tech. Development Co., Ltd.
Prime Vendor :	Daelim C&S Co., Ltd.
Remarks :	• Project Name : Steel bridge supervision service for Approach Road construction project of Yeosu national Ind. complex(work section #3) • Service Duration : Sep. 2009 ~ Dec. 2011 • Constructor : Daelim E&C, Hyundai E&C • Supervision Company: Hanguk Technology Development Co., Dong Ah Technical Consultant Co., Ltd. • Location : Myodo-dong, Yeosu-si ~ Geumho-dong, Gwangyang-si, Jeollanam-do, Korea • Overview : Total weight 23,000 ton, Three-span cable suspension bridge(total length 2,260m) & The World's highest concrete pylon & World's 4th longest span(1,545m), Span(357.5 + main span 1,545 + 357.5=2,260m), Width(29.1m, 4-lanes), World's 4th largest main span(sag-span ratio:1/9) • Deck System : type(streamlined twin steel box), Height 3.05m, Depth/ width ratio 11.3%, Aerodynamic stabilizing system(streamlined twin steel box), Const. method(Swing method), Design wind velocity(62.8m/sec) • Cable : type(2 PWS cables, fpu=1,860MPa), Section(main span : Ø5.35mm x 400 wires x 32 strands, A=0.288cm2, Side span : Ø5.35mm x 400 wires x 34 strands, A=0.306cm2), Diameter(main span : Ø683mm after wrapping, Side span : Ø704mm after wrapping), Const. method(Air Spinning), Weight 129,680KN • Hanger : Wrapping(S-shape wire, t=3mm), type(CFRC, fpu=1,610MPa, 1660MPa, Section(Ø75, Ø85, Ø90 : 8 x WS(36)+CFRC, Arrangement(13@24.0, 31@24.0+2@13.5 +31@24.0, 13@24.0), Weight 8,900KN • Pylon : type(H-type concrete pylon), Height 270.0m, Const. method(Slip form) • Scope of Work : Supervision of Steel bridge During Manufacturing & Erection (Steel bridge at Daelim, Cable Installation at site(Air Spinning Method), Castings such Tower Saddle/Splay Saddle/Cable Band with associated components at Samyeong M-Teck, Main Cable 및 Hanger Cable at KISWIRE • Remark : This new 2,260m-long bridge connects Gwangyang and Yeosu, and the distance between pylons is 1,545m, the fourth longest in the world. It boasts the world's highest pylon of 270m. It also secures enough space underneath so that even 18,000TEU ship can pass freely. The distance between pylons indicates the birth year of admiral Chungmugong Yi Sunshin, 1945.

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