Construction Case Study

Ventilating a five-storey iceberg hotel basement

25th July 2019

Ventilating a five-storey iceberg hotel basement, RVT Group
RVT Group
RVT Group
RVT Group

A flawless ventilation system was required at London's iconic Claridges hotel during an innovative expansion into its subterranean space. The resulting five story 'iceberg basement' will house a swimming pool, gym, wine store and chocolatier, alongside new staff quarters and a conference centre.

The hotel owners stipulated that all work had to be carried out while the hotel, tea rooms and restaurants were in full operational use. Given the prestige of the hotel, guests would need to be completely undisturbed. Without an adequate and tailored ventilation system, there wouldn't be enough good quality air below to support the personnel carrying out the tasks below ground. The project called for 30,000m3 of material to be excavated – a feat that would produce enormous amounts of dust

Ventilation specialists, RVT Group, were brought in to find a solution. Read the full case study below.


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