SCAVI SUBACQUEI USA

SCAVI SUBACQUEI USA

SCAVI CON UTILIZZO DI CARICHE CAVE NEL LAGO MEAD, LAS VEGAS

Lake Mead, the largest man-made reservoir in the United States, is located about 30 miles southeast of Las Vegas, Nevada. For the construction of Lake Mead’s third water intake, which is entirely placed underground, an underwater excavation was needed at a depth of 100 m (330 ft): a large surface had to be deepened by 20 m (66 ft) in basalt.
New technology that would fit the special circumstances of this job was not available, so the old one, the “brutal”, not-precise but effective technology of the shaped-demolition-charges was chosen. It was then found that no shaped charge existed that fit the underwater specifications of this job so a new one had to be conceived, as well as its deployment system and technique, monitoring and survey procedures. For this, an international task of experts was put together