// CODE SNIPPET
407.3 Elevator Door Requirements
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Hoistway and car doors shall comply with 407.3.
Elevator doors shall be the horizontal sliding type. Car gates shall be prohibited.
Elevator doors shall be provided with a reopening device complying with 407.3.3 that shall stop and reopen a car door and hoistway door automatically if the door becomes obstructed by an object or person.
EXCEPTION: Existing elevators with manually operated doors shall not be required to comply with 407.3.3.
The device shall be activated by sensing an obstruction passing through the opening at 5 inches (125 mm) nominal and 29 inches (735 mm) nominal above the finish floor.
The device shall not require physical contact to be activated, although contact is permitted to occur before the door reverses.
Door reopening devices shall remain effective for 20 seconds minimum.
The minimum acceptable time from notification that a car is answering a call or notification of the car assigned at the means for the entry of destination information until the doors of that car start to close shall be calculated from the following equation:
T = D/(1.5 ft/s) or T = D/(455 mm/s) = 5 seconds minimum where T equals the total time in seconds and D equals the distance (in feet or millimeters) from the point in the lobby or corridor 60 inches (1525 mm) directly in front of the farthest call button controlling that car to the centerline of its hoistway door.
T = D/(1.5 ft/s) or T = D/(455 mm/s) = 5 seconds minimum where T equals the total time in seconds and D equals the distance (in feet or millimeters) from the point in the lobby or corridor 60 inches (1525 mm) directly in front of the farthest call button controlling that car to the centerline of its hoistway door.
EXCEPTIONS:
- For cars with in-car lanterns, T shall be permitted to begin when the signal is visible from the point 60 inches (1525 mm) directly in front of the farthest hall call button and the audible signal is sounded.
- Destination-oriented elevators shall not be required to comply with 407.3.4.
Elevator doors shall remain fully open in response to a car call for 3 seconds minimum.
The width of elevator doors shall comply with Table 407.4.1.
EXCEPTION: In existing elevators, a power-operated car door complying with 404.2.3 shall be permitted.
Related Code Sections
407.3 Accessible Routes, Elevator Door Requirements
by an object or person.
EXCEPTION : Existing elevators with manually operated doors shall not be required to comply with 407.3.3 ...
407.3.1 Accessible Routes, Type
Elevator doors shall be the horizontal sliding type. Car gates shall be prohibited ...
2010 ADA Standards > 4 Accessible Routes > 407 Elevators > 407.3 Elevator Door Requirements > 407.3.1 Type
407.3.3.3 Accessible Routes, Duration
Door reopening devices shall remain effective for 20 seconds minimum ...
2010 ADA Standards > 4 Accessible Routes > 407 Elevators > 407.3 Elevator Door Requirements > 407.3.3 Reopening Device > 407.3.3.3 Duration
407.3.3.2 Accessible Routes, Contact
The device shall not require physical contact to be activated, although contact is permitted to occur before the door reverses ...
2010 ADA Standards > 4 Accessible Routes > 407 Elevators > 407.3 Elevator Door Requirements > 407.3.3 Reopening Device > 407.3.3.2 Contact
407.3.3.1 Accessible Routes, Height
The device shall be activated by sensing an obstruction passing through the opening at 5 inches (125 mm) nominal and 29 inches (735 mm) nominal above ...
2010 ADA Standards > 4 Accessible Routes > 407 Elevators > 407.3 Elevator Door Requirements > 407.3.3 Reopening Device > 407.3.3.1 Height