The Al Marooj complex in Dubai is one of the biggest construction projects in the Gulf region. The development includes 612 luxury apartments, shops, offices, a 248-room hotel and a floating food court constructed over an artificial lake. Main contractor Al Ahmadiah is using 10 Liebherr tower cranes for all formwork lifting duties and concrete placement with 7m3 buckets. The crane models are: three 256 HCs, five 280 EC-Hs and two 290 HC units. All are working with jib lengths of between 50m and 70m and hook heights of between 40m and 52mm, and all have a maximum lifting capacity of 12t at 20m.