When Is A Landing Required For Exterior Stairs
Or you may want to break up a long run of stairs with a landing as a place to rest or take in a particular view of a room or outdoor scene before continuing on.
When is a landing required for exterior stairs. Exterior stairs landscape architecture landscape design stair design. FBC R31176 A landing is not required where a stairway of two or fewer risers one tread is. A landing is not required at the top of an interior flight of stairs including stairs in an enclosed garage provided the door does not swing over the stairs.
The landing or floor on the exterior side shall be not more than 7-34 inches 196 mm below the top of the threshold provided the door does not swing over the landing or floor. Minimum tread depth shall be 9 inches 780 CMR 360312. D1AS1 classifies stairs as accessible common or private according to their use.
Doors other than the required egress door shall be provided with landings or floors not more than 7 3 4 inches 196 mm below the top of the threshold. Stairs with a total vertical rise of more than 12 feet must have a landing between the top and bottom landings. If the floor to floor is less than 570mm all that is required is a zero tread.
The IBC exterior stair landing code requirements are also found in IBC section 101172 as part of the stair walking surface for outdoor use. Storm and screen doors shall be permitted to swing over exterior stairs and landings. When medical emergencies occur ambulance officers may have to use staircases to move patients on stretchers.
Where an external stairway forms part of the main access route to the house it must be classified as a common stairway. The required landing width. The exterior door in the photo above is a back door into the yard from a master bedroom and should have a landing.
R31133 Storm and screen doors. The exterior landing or floor shall not be more than 7 ¾ inches below the top of the. The majority of regulations agree that the vertical height difference from the floor level to the landing shouldnt be more than 12 feet.