| Basic and Detailed Design of Buyeo-gun Sewerage Maintenance Central Management Area and Sewer system classified sewage pipe maintenance business |
2016 |
Buyeo |
 |
| Cheongju-si Old Sewage Pipe Maintenance |
2015 |
Cheongju |
 |
| Design of Dong Hongcheon ~ Yangyang Naincheon Rest Area (2 Places) Sewage Treatment Facilities |
2015 |
Korea Expressway Corporation |
 |
| Daejeon-si Old Sewage Pipe Maintenance |
2015 |
Daejeon |
 |
| Basic and Detailed Design of Usan 1-ri Establishment of village sewer |
2015 |
Cheongju |
 |
| Basic and Detailed Design of Cheongju Sewage Treatment Plant Expansion Project (Phase 3) |
2015 |
Cheongju |
 |
| Danyang-gun Establishment of Basic Plan Partial change for Sewerage Maintenance and Basic and Detailed Design of Small Scale Sewage System |
2015 |
Danyang |
 |
| Basic and Detailed Design of Chungju Megapolis Industrial Complex Wastewater Treatment Facility |
2015 |
Chungju |
 |
| Suanbo Sewage Treatment Facility Elevation Treatment and Basic and Detailed Design of Sewer Pipe Improvement Project |
2015 |
Chungju |
 |