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The Institution of Civil Engineers, Westminster

The Institution of Civil Engineers, Westminster

Type of works: Installation of Power Drive 1401 underfloor door operator.

Protecting the architectural heritage of a listed building whilst improving access for all visitors, the Institution of Civil Engineers in Westminster recently specified TORMAX™ to install its technologically advanced Power Drive 1401 underfloor door operator to automate the plate-glass swing doors at the main headquarters entrance. Cleverly concealed within the slab below the doors, this powerful synchronous motor delivers smooth and silent door automation without any visible operator interfering with the aesthetics of the building.

“Since the launch of the Power Drive 1401 in 2006, we have experienced continuingly high levels of demand,” observes Simon Roberts, MD for TORMAX. A great number of buildings throughout the UK are of architectural or historical significance, often creating difficulties for compliance with current DDA legislation. The Power Drive is capable of automating almost any swing door from original, entrances ornately carved from solid wood through to modern, minimalist glass doors.

Compatible with a standard 240v electrical supply, the Power Drive 1401 is surprisingly quick to install and easy to commission. All parts are sealed within a single unit and, as there are no abrading parts to cause friction-wear, the operating lifespan is exceptional, delivering long-term reliability even in busy locations. A full range of functions are accessed through a user-friendly keypad allowing door opening and closing speeds and hold-open time to be adjusted to suit traffic flow and external weather conditions.

The automation of the doors was part of a project to improve disabled access to the building by architects, Feilden+Mawson, and included the installation of disabled-access lifts concealed beneath retracting flights of stone faced steps. To successfully install the Power Drive operator an innovative structural solution had to be devised to the problem of an unusually thin cover to the steel beams below the doors. Consulting Engineers, Hurst Peirce and Malcolm designed a tie bar truss to be fitted to the bottom of the steel beam to permit the top flange to be cut away to accommodate the TORMAX floor boxes.

For further information about this release please contact:

Dawn Warrington
Springboard Marketing
74 Worcester Road
West Sussex
PO19 5EB
Tel: 01243 788795
Fax: 01243 789298
Email: [email protected]


Simon Roberts, Joint MD
TORMAX United Kingdom Ltd
42-50 Hersham Road
Walton on Thames
KT12 1RZ

Tel: 01932 238040
Fax: 01932 238055
[email protected]

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View Door operators: Slidedoor, Swingdoor, Revolvedoor, Foldoor automatic entrances Product Entry View iMotion® 1401 swing door operator - underfloor concealed automatic swing door drive PDF


TORMAX is one of the world's leading manufacturers of automatic doors. With over 50 years of experience, TORMAX UK Limited offers a professional service throughout the UK, including site surveys and the design, manufacture and installation of...
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