This building reflects ICD Brookfield’s commitment to creating ‘Best in Class’ developments in dynamic, vibrant global markets, providing intelligently planned work space adaptable to myriad occupancy styles. The singular and distinctive architecture is driven by a sophisticated consideration of form and function; a simplicity and elegance of expression and detailing; and a richness of materials. RBG collaborated with the project design team to create an efficient, elegant structural solution which embodies the shared vision for the project.

Project Value:     
370 Million USD
Year Start / Completed:
Target – 2019
Building Metrics:
Total Area: 238,500 m2
53 Levels
7 Levels of Basement
Sectors:
Commercial
Environmental Performance:
Target LEED GOLD
Client:
ICD Brookfield

Architect:
Foster + Partners
Robert Bird Group Services:
Structural Engineering Design
Civil Engineering Design
Construction Engineering
Construction Documentation

Key technical challenges

  • The primary tower structure consists of a composite slab and beam structure. Due to the long beam spans and thin slab, extensive analysis for footfall vibration was required to ensure the structure achieved code requirements and client expectations.
  • Working with the existing structure and developing design solutions that strengthened rather than demolished.
  • Extensive co-ordination with the mechanical engineer to develop a strategy that minimised beam penetrations and beam notches.
  • Differential shortening analysis with consideration of mega truss, steel structure, concrete structure and existing structural elements

Environmental performance

  • 5 Star Greenstar
  • 5 Star NABERs Energy and 4 Star NABERs Water ratings.

Key Challenges & Innovation

The Deepest Basement in Dubai: the 7-level basement sets a new benchmark for Dubai and a legacy that will provide future developers with options not previously considered of for underground car parking in this region.

Re-use of existing piled foundations: the development makes efficient use of piles installed for a previous, abandoned development. This was achieved through engineering evaluation and testing to incorporate the existing piles into the new piled raft design and construction.

The Outrigger, the A-frame and the Node: The superstructure has a central concrete core and structural steel frame. The stability system includes a plant-zone outrigger acting collaboratively with the external steel A-frame and core. The relative stiffness of this system was tuned such that the single steel node of the A-frame was within 70 tons. This load was chosen to match the capacity of the world’s largest luffing crane and avoid the time-consuming complication of strand jacking a heavier node.

Global working and collaboration: The design was shared between UAE, UK and Australian offices of RBG to make full use of our specialist design skills in tall buildings, deep basements and construction engineering expertise. NCE100 finalist 2017.

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