
| Period | Project | Organization |
| 2014.10 ~ 2014.12 | Detailed design for Kyeong bu line Namseonghyeon~ Cheongdo Railway bridge ballast system | Korea Rail Network Authority |
| 2013.10 ~ 2014.04 | Complementary design for Donghae line (Pohang ~ Samcheok) railway construction | Korea Rail Network Authority |
| 2012.11 ~ 2015.04 | Basic & detailed design for Jungang line Dodam-Yeongcheon, section 2,5 | Korea Rail Network Authority |
| 2012.03 ~ 2014.04 | Basic & detailed design for Dongducheon-Yeoncheon double track | Korea Rail Network Authority |
| 2011.09 ~ 2012.02 | Dukha train depot of Donghae nambu line construction (T/K) | LOTTE E&C |
| 2011.07 ~ 2012.10 | Basic & detailed design for Seohae line double track , section 5(T/K) | Daelim Industrial Co., Ltd |
| 2011.03 ~ 2013.02 | Basic & detailed design for Sinansan line double track construction, sectioin 8 | Korea Rail Network Authority |
| 2011.02 ~ 2012.12 | Basic & detailed design for Seohae Line double track, section 10 | Korea Rail Network Authority |
| 2010.08 ~ 2012.12 | Detailed design for Wonju-Gangreung railway construction section 9 | Korea Rail Network Authority |
| 2010.07 ~ 2010.10 | Railway construction of metropolitan high speed railway, sectioin 9 (T/K) | Daelim Industrial Co., Ltd |
| 2010.04 ~ 2011.07 | Basic & detailed design for metropolitan high speed railway, sectioin 1,2 | Korea Rail Network Authority |
| 2010.04 ~ 2010.07 | BTL Basic design for private investment project of Bujeon-Masan double track | POSCO E&C |
| 2010.03 ~ 2010.10 | BTL Basic design for private investment project of Daegok-Sosa double track | Daelim Industrial Co., Ltd |
| 2009.11 ~ 2010.07 | Bubal train depot construction of Sungnam-Yeoju double track (T/K) | GS E&C |
| 2009.08 ~ 2010.07 | Basic & detailed design for Honam high speed railway, section 3-2(T/K) | Daelim Industrial Co., Ltd |
| 2008.11 ~ 2009.11 | Detailed design for Honam high speed railway, section 7 | Korea Rail Network Authority |
| 2008.12 ~ 2009.07 | Construction of Honam high speed railway, section 3-2(T/K) | Daelim Industrial Co., Ltd |
| 2008.03 ~ 2008.09 | BTL Basic design for private investment project of Sosa-Wonsi double track | POSCO E&C |