Case Study 3

The now famous 320 degrees staircase using only 2 strands of cable of 12mm.

The 15 tonne tension on each cable allows this gigantic structure, 1300 mm wide, to float effortlessly. In French limestone, with 23 steps per flight, these were a challenge. 

Webb and Yates have had to  crush numbers for weeks with the help of powerful software to make the elegant stone snakes twist through the circular stairwell.