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Shangri-La Hotel - The Shard

The Project
The Shard is already one of the most recognisable buildings on the London skyline and it is also the tallest building in Europe.  The Shangri-La Hotel Group – based in Hong Kong – chose to occupy 18 floors of the Shard Tower for their first European venture offering both 5* accommodation and stunning 360° panoramic views.                 

Requirements
Given the iconic and prestigious nature of the building the Shangri-La Group wanted only the best for the fit-out.  A 45mm cement/sand based screed had been specified, applied onto a rubber-based resilient layer. There were a number of reasons why this specification would not work – one being that over 1,500 tonnes of screed needed to be pumped up an average of 43 no floors – pumping one day per week for 12 weeks! Given the capacity of standard pumps and the logistics of both the building and the site - this original specification was never going to be practical.              

Solution
We had been laying liquid anhydrite (calcium sulphite) screeds for many years and knew that this material would be the ideal solution – the problem remained however – how to get it up to these high levels as standard (liquid) pumps could only pump to 20 floors or so.  After much discussion - including design changes with architects  -pumping solutions with specialist manufacturers, and programme and logistics issues with the Contractor, we eventually persuaded all concerned that use of an Anhydrite screed product together with a concrete pump and operator, delivered via a steel pipeline (incorporating a very complex temporary works design) would be the most practical and cost effective solution.  We completed the works with great success within 11 weeks – pumping only 1 day per week, and installed in excess of 16,000m² in total (and 1700m2 (77m³) on the largest pour).

FPDC Award 2013 - Shangri-La Hotel - The Shard

The Client
Shangri-La Hotels Group 
(Stellar Properties – Developer)

The Architect
Steve Leung Architects
(Renzo Piano – concept)

Main Contractor
John Sisk & Son Ltd 
(Mace Ltd – Base Build)            

Product 
Liquid anhydrite (calcium sulphite) levelling screed. Liquid cementitious levelling screed and Isocrete K screed – all laid on a rubber-based
resilient layer.

Area
Floors 16,000m² to various areas within the hotel demise which included from Level 34-52.