This is a high profile office development in Dublin City Centre, over seven floors, with a total floor area of 23,000m2. A double storey basement is also included as well as the refurbishment of a terrace of four houses including two protected structures. Demolition of a number of existing structures on the site as well as site clearance also forms an important element of the project.
The basement footprint is formed using a secant piled wall around the full perimeter of the site. The basement itself is a tanked reinforced concrete structure, designed to a grade 2 standard. The superstructure consists of a reinforced concrete frame with reinforced concrete columns supporting flat slab construction at each level. Part of the top floor is constructed in lightweight steel frame to allow for the future addition of an extra floor. Lateral stability in the structural frame is achieved by diaphragm action through the floor plates into three separate structural cores around the building.
PUNCH designed the structure using the state of the art structural package SCIA, with the drawing package produced through Revit. Our package was integrated with both the Architects and M&E packages through Building Information Modelling (BIM) resulting in a fully coordinated design package complete prior to tendering. The project has been sustainably designed through LEED and will achieve gold level certification.
Throughout the design process, we carried out design reviews of all civil & structural elements. We produced health and safety risk assessments for all elements of the civil and structural design.
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