Openings in floor or ground surfaces cannot allow passage of a sphere more than 1 2 inch 13mm diameter such as that of a high heel or cane walker.
Ada floor transition max height.
The receptacle height range for an unobstructed front or side reach is 15 inches minimum from the floor to 48 inches maximum.
Thresholds that are 3 8 thick on top level 2 thresholds only available in standard bevel design after the 1 4 bevel the thickness chamfers down to 1 8 thickness.
The part that is raised off the floor is only 1 4 and does comply with ada.
Adult obstructed reach requirements for a forward reach over an obstacle such as a shelf the requirement is 48 inches maximum above the floor for obstacles 20 inches or less in depth and 44 inches maximum for obstacles.
4 5 1 general ground and floor surfaces along accessible routes and in accessible rooms and spaces including floors walks ramps stairs and curb ramps shall be stable firm slip resistant and shall comply with 4 5.
Check out this link and browse around click on the pictures for blow ups and products for different uses used in flooring of any type.
This guide explains requirements in the ada standards for floor and ground surfaces.
Safe residential wheelchair ramps.
3 4 rubber floor reducer.
Transition strips and ada ramps.
Ez edge transition wheelchair ramp.
Rod the maximum rise should not exeed 1 2 on anything and less if the flooring material is properly installed with transition strips made for whatever product of flooring is being used.
3 4 turf tile interlocking rubber reducer.
Firmness stability and slip resistance 302 1 carpet 302 2 openings 302 3 changes in level 303 common questions.
For exemptions see the 2010 ada standards for accessible design document.
The part that is raised off the floor is only 1 4 and does comply with ada.
Specifications for floor and ground surfaces address surface characteristics carpeting openings and changes in level.
T mould rubber floor reducer.
3 8 rubber floor reducer.
Maximum height of interior thresholds transition the transitions would be for a single family residence no ada rules as far a i know.
4 5 ground and floor surfaces.
1 2 rubber floor reducer.
Also elongated openings must be placed so that the long dimension is perpendicular to the dominant direction of travel.