The crane was installed on the Piz Corvatsch peak in the Swiss Alps, at an elevation of 3,000m (10,000ft).The K-Max helicopter, supplied by Swiss firm Rotex Helicopter, has a lifting capacity of 2.7t, and took a total of 28 trips to collect the mast, jib, counterweight and other parts of the Liebherr 30 LC tower crane. It took about four hours to install the crane, which has a radius of 25m and hook height of 11m. Its heaviest component weighs 1.7t. Construction contractor Hartmann Nicol & Cie is using the crane to restore and reconstruct the summit station of the 44-year-old Corvatsch mountain railway. It will raise the platform roof, replace cable car supports, and install a new aerial lift with cabins for up to 100 people, scheduled to go into service in December 2008.

A helicopter lifts in the jib of the tower crane Above the clouds Riggers help assemble the tower crane from components held by helicopter On top of Piz Corvatsch