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ADA Protruding Objects

ADA Protruding Objects

4.4 Protruding Objects.

4.4.1* General
Objects projecting from walls (for example, telephones) with their leading edges between 27 in and 80 in (685 mm and 2030 mm) above the finished floor shall protrude no more than 4 in (100 mm) into walks, halls, corridors, passageways, or aisles.

Walking Parallel to a Wall

Objects mounted with their leading edges at or below 27 in (685 mm) above the finished floor may protrude any amount.

Walking Perpendicular to a Wall

Free-standing objects mounted on posts or pylons may overhang 12 in (305 mm) maximum from 27 in to 80 in (685 mm to 2030 mm) above the ground or finished floor).

Free-Standing Overhanging ObjectsObjects Mounted on Posts or Pylons

Protruding objects shall not reduce the clear width of an accessible route or maneuvering space.

Protection around Wall-Mounted Objects

4.4.2 Head Room
Walks, halls, corridors, passageways, aisles, or other circulation spaces shall have 80 in (2030 mm) minimum clear head room.

Walking Parallel to a Wall

If vertical clearance of an area adjoining an accessible route is reduced to less than 80 in (nominal dimension), a barrier to warn blind or visually-impaired persons shall be provided.

Overhead Hazards

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