Abstract
The Chanel Tunnel project linking Britain and France was called the last big project in 20^<th> century, which was required extremely sever technical development drilling for the long distance in the sea-bed located 100 meters below the sea-water level. At the beginning of the boring, they had to face many difficulties to solve troubles. However after overcoming, the speed of boring had been remarkably progressing. Eventually breakthrough was successfully achieved eight months ahead of the schedule due to not only the integration highly developed technology in co-operating with Europe and Japan but also from the project management point of view, the total optimization among stakeholder achieved due to the exceptional contractual scheme, effective lessons learned. Simultaneously that project so-called the 'Project of the century' has extraordinary power enriching the human relationships free from the different culture and nations and willing full all the people who worked hard in their best effort.
