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Grand Palladium

A landmark commercial building presenting innumerable structural challenges. 

Our client’s challenge

The design was a significant departure for Indian commercial buildings. The occupied building floats 8m above the ground, the whole superstructure cantilevering 25m west from the irregular grid of raking steel columns that support it. In addition, 25m-long cantilevers housing the directors’ suites soar out north-east and south-west into space from the ninth storey. 

The design also had to include large column-free spans with restricted floor depth, to provide maximum flexibility for commercial tenants.

Our approach

WSP | Parsons Brinckerhoff’s team included both UK and Indian engineers, working together to complete the concept design, detailed design and validation.

Steel structures are not common in India, so there was a shortage of both the specialised skills needed to fabricate and erect these parts of the building, and of the high-grade steel demanded by such a complex structure. Engineers in the UK worked closely with the fabricator to meet the construction challenges. The main supporting column sections were imported from Japan.

WSP | Parsons Brinckerhoff also used 3D modelling to ensure that the irregular geometry of the building and the many unusual elements could be coordinated perfectly before construction got underway.

The structural design also provides strong resistance to wind loads and earthquakes – vital in such an active seismic zone.