Office building in the

Energy City in Qatar

ECQ: a five-storey

building based on two

basements with a total

area of 5501 sqm.

The structural system

is a steel framing with

hollow core slabs

transferring the loads

to the direct piles. The

Raft slab 500 mm

thick with additional

tension piles

withstands the ground

water uplift pressure

95 kN/sqm.