Ada Exterior Door Landing
The maximum force for pushing or pulling open a door shall be as follows.
Ada exterior door landing. There are many regulations and calculations that go into designing an ada ramp but the ramp landing size is commonly miscalculated because the door size door swing and ramp approach are often not considered. 3 if ramps change direction at landings the minimum landing size shall be 60 in by 60 in 1525 mm by 1525 mm. B interior hinged doors. This allowance provides some design flexibility.
A space 60 inches 1525 mm minimum by 60 inches 1525 mm minimum. This guide explains scoping and technical requirements for accessible entrances doors and gates in the ada standards. Ada stair landings with doors. Landing requirements for all other exterior doors.
1 fire doors shall have the minimum opening force allowable by the appropriate administrative authority. The landing or floor on the exterior side shall be not more than 7 3 4 inches 196 mm below the top of the threshold provided the door does not swing over the landing or floor. 5 lbf 22 2n c sliding or folding doors. The photo upper right illustrates another way to modify an entrance to make it accessible.
When a landing serves an occupant load of 50 or more doors in any position should not reduce the landing size to less than 1 2 the required width. Any ramp system that is intended for public use must comply with the americans with disabilities act ada. The area adjacent to the landing is graded flush with the landing so no drop off exists between the landing and the grass area eliminating the need for railings. For all non egress exterior doors the 2003 code update allows a 7 3 4 in.
2 the landing length shall be a minimum of 60 in 1525 mm clear. Or an intersection of two walking surfaces providing a t shaped space complying with 304 3 2 where the base and arms of the t shaped. A exterior hinged doors. Minimum number at least 60 of public entrances must be accessible in new construction in addition to entrances directly serving tenancies parking facilities pedestrian tunnels and elevated walkways.
Maximum threshold height at building entry is 3 4 inch 19 mm for exterior sliding doors and 1 2 inch 13 mm for other types of doors without modification. Step down on the interior and up to two steps down to the landing on the exterior regardless of which way the door swings it can only swing over one step. Ada ramp handrails when a handicap ramp has a rise greater than six inches or a horizontal projection greater than 72 inches the ramp must have handrails on both sides. A level landing area is provided in front of the entry door so a person can pull the door open.
4 if a doorway is located at a landing then the area in front of the doorway shall comply with 4 13 6. 4 13 11 door opening force.