DL E&C announced on May 8 that it has completed the installation of all 30 caissons for the construction of Ulleung Airport. The caisson is a key structure for forming the reclaimed land for the ...

DL E&C announced on the 8th that it has completed the final caisson installation work at Ulleung Airport. With all 30 caissons installed about three years after the first caisson was installed in May ...