ADA 101 – Recessed Doors and Gates
2010 ADAS 404.2.4.3 Recessed Doors and Gates
Maneuvering clearances for forward approach shall be provided when any obstruction within 18 inches of the latch side of a doorway projects more than 8 inches beyond the face of the door, measured perpendicular to the face of the door or gate.
Code according to 2010 ADAS. Check your state’s accessibility laws. Some states such as California, Georgia and Florida have additional requirements and standards.