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Responsive heating for The Leadenhall Building

“The space heating plant has now been commissioned and we’ve been very pleased with the quality of support provided by Riello and Stokvis,” Peter Davey concluded.

Three Stokvis 1.5MW boilers fitted with Riello modulating burners have been supplied to The Leadenhall Building in the City of London to provide space heating throughout the building.

Designed by Rogers Stirk Harbour & Partners the 224m high, 52 storey building has a distinct tapering shape. It is being constructed by Laing O’Rourke using Building Information Modelling (BIM) techniques and will incorporate retail outlets, a restaurant, two reception levels and 41 floors of offices. Plant rooms are located above the offices from levels 46 to 52.

The Stokvis Rex 160F boilers, fitted with Riello RS120 fully modulating burners, were selected by Crown House Technologies (CHt) working to a specification by consulting engineers Arup. CHt’s Peter Davey explained: “The building is well insulated, resulting in relatively low space heating loads that will vary considerably through the day. It was therefore important that the heating plant would be able to respond to varying loads efficiently.

“We investigated a number of options to ensure we were able to meet the specification while ensuring best value and selected the Stokvis boilers on that basis. The burners are especially critical in ensuring reliable performance and we knew from past experience that Riello would provide the reliability and repeatability we required.”

Over 83% of the construction works for The Leadenhall Building took place off site. In support of this strategy the boilers were delivered to CHt’s fabrication facility, where they were skid-mounted with pre-assembled gas and water pipework for ease of installation on site. They were then lifted into position on the 47th level of the building, arranged end-to-end to make best use of the plant room space available.

10 July 2014

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