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Douglas Bennett House, London

Main contractor: Integrated Health Projects (IHP) - Vinci & Sir Robert McAlpine JV

Project value: £50 million

Start: Autumn 2021

Completion: Autumn 2022

We were engaged directly by the main contractor IHP to provide temporary services on the Maudsley Hospital site in Southwark where the existing Douglas Bennett House building will be demolished and replaced by a purpose-built mental health facility that will include specialist wards and a psychiatric intensive care unit.


The project involved operating at a functioning hospital site and using its existing entrance, requiring our team to liaise closely with the client and the hospital service team on every aspect of the installation, as well as ongoing deliveries and collections, to avoid disrupting critical services. The project required close collaboration with the client throughout, with a shared approach to problem solving critical to building the infrastructure needed to successfully complete the project.

Given the age of the facility, the mains origin proved a challenge and required the assistance of the contractor and the Trust to locate the existing 300 mm cable in an old service tunnel before we could connect our 800A SIDA to ensure a safe environment. We worked with both the IHP team and UKPN to ensure a smooth transition between the old and new supply, including an unplanned disconnection of the original sub-main infrastructure to allow MDAs and SIDAs to be relocated and re-supplied.

The cabin compound contained 40 cabins and required close coordination with our client throughout installation. All floodlights were supplied with photocells to conserve energy usage during daylight hours and an intelligent lighting system was installed to optimise the lighting and ensure it was only operational when required to maximise energy and cost savings.