TopicsUser type RequirementsUsers with mobility- Entrances and circulation areas must be wide enough to allow people in difficulties wheelchairs to pass through- Equipment (intercoms, control panels, door knobs) ought to be placed within the reach of someone in a wheelchair- Floor surfaces should allow easy manoeuvring of a wheelchair- Floors are preferably solid and even, free of edges or thresholds. Where necessary, ramps should be provided. Long ascents should feature landings at intervalsUsers with eyesight- Glazed walls and changes in floor level should be adequately marked to prevent difficulties falls or collisions- Colours and contrast can be used as an aid to improve orientation.- Tactile markers (e.g. handrailings, floor markings) can help wayfinding in the building- Signage and control panels should be well-lit, of sufficient size and contrast, and include braille text- Provide additional and adjustable illumination as needed (e.g. on desks).- Acoustic signals can help people to orient themselves in elevators or at other important locations such as at entrance doorsUsers with hearing- Background noise (e.g. from HVAC installations) should be reduced as much as difficulties possible as it makes it hard to distinguish individual sounds - The degree of echo (i.e. coming from hard surfaces) should be limited Echoes reduce speech clarity and clutter the sound landscape, even for people with good hearing- In rooms with speaker systems, Telecoil devices are helpful to wearers of hearing aids Users with respiratory - Rooms/areas should be easy to clean. Surfaces where dust can collect should be difficulties avoided- Materials should not give off gases or particles that affect health- Indoor air must be replenished with enough fresh air to dilute the airborne contaminants given off by materials and by people and their activities- Avoid planting allergenic plants and trees around access ways, entrances and windows that are frequently opened Accessibility requirementsDifferent kinds of impairments come with different needs concerning the buildings design. The generic overview above is based on the standards of the Norwegian National Office of Building Technology and Administration86