Steel transfer structures support East London mixed-use scheme

Forming the second phase of works on a former goods yard site, close to the Tower of London, two steel transfer structures are being installed to support a 14-storey mixed use scheme at 88 Royal Mint Street.

Unlocking the site’s full potential, the northern-most steel structure spans over part of a Network Rail viaduct, while its southern neighbour is positioned directly above two encapsulated Docklands Light Railway (DLR) lines serving Bank station.

The scheme is being developed by IJM Group, constructed by its main contractor Midgard, designed by Whitby Wood, and with Caunton Engineering fabricating, supplying and installing the 1,200t of steelwork.

Because of its position, the northern transfer structure has been entirely installed during a series rail possessions, obtained from Network Rail and Transport for London (TfL).

The structure is supported along its northern elevation by four 12m-tall columns, weighing up to 13t each, that pierce the Victorian brick viaduct at a point between the DLR and mainline railway lines. To the south and abutting the viaduct, there are further supporting columns that are sat within the footprint of the site.

The columns support a series of trusses, which are up to 13m-long and 3.5m-high that span over the DLR lines, creating a 5m clearance for the trains.