How accessible shall the system be? How Accessible 1

Tigris® Accessible Solutions are designed to meet the needs of BS8300:2009 and contribute to satisfying the requirements of the Disability Discrimination Act (DDA).

BS8300:2009 Design of buildings and their approaches to meet the needs of disabled people - code of practice.

This guide provides further assistance in the specification of hardware for those with special needs.

Extracts that are particularly relevant when selecting locking cylinders are:

Accessible thumbturn (see A right): "Wherever possible, door opening furniture with lever action should be used as door furniture with a spherical, circular or similar design is difficult to use by people with, for instance, arthritis or a weak grip."

Large accessible thumbturn facilitates easier operation ensuring:
  • No need to grip
  • No need to rotate the wrist
  • Improved leverage and reduces force needed by at least 70%*
* when compared with a conventional spherical turn
How Accessible 2
Accessible key fob (see B right): "Consideration should be given to the provision of a larger keybow on lever and cylinder keys to give users greater control. Alternatively, a hand-grippable keyfob can be added to a standard keybow, to aid manipulation of the key."

Accessible key bow improves handling and provides:
  • Improved leverage and reduces force needed by 60%*
  • Increased surface area of 280%
* when compared with a typical key bow of 24mm diameter

Further information is available from www.bsonline.bsi-global.com (search '8300')

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