Ada Exterior Door Opening Force
These forces do not apply to the force required to retract latch bolts or disengage other devices that hold the door in a closed position.
Ada exterior door opening force. Typical maximum opening force for exterior doors ranges from 8 5 to 10 lbs. The opening force limitation may be addressed in local codes with some local requirements ranging from 15 pounds to 5 pounds for exterior doors. Ada compliant door closers shall be adjusted so that from an open position of 90 degrees the time required to move the door to a position of 12 degrees from the latch is 5 seconds minimum. The door shall be set in motion when subjected to a 30 pound 133 n force.
Closing speed if a door is equipped with an automatic closing device. The opening force of exterior swing doors is impacted by wind loading and other exterior conditions gasketing hvac systems energy efficiency and the weight of doors. B interior hinged doors. The 4600 operator is designed to meet the ansi code 156 19 that limits the opening force to a 15 lbs.
A exterior hinged doors. 1 fire doors shall have the minimum opening force allowable by the appropriate administrative authority. 1 panic hardware shall cause the door latch to release when a force not exceeding 15 pounds is applied to the releasing device in the direction of exit traffic. Do not jerk it open.
Spring hinges door spring hinges shall be adjusted so that from the open position of 70 degrees the door shall. In earlier editions of the standards the opening force for exterior doors was addressed but the current a117 1 and ada standards do not include an opening force requirement for exterior doors. The minimum force needed to ensure proper closure and positive latch usually exceeds the accessible limit of 5 pounds of force lbf required at other doors. By code and design the operator must stop opening the door when an obstruction or resistance.
The ada standards do not specify the opening force for exterior doors though some state and local building codes may have requirements. Opening force for exterior doors is not specified in the ada standards but exterior doors that need to be accessible should have the minimum force possible. Doors designated as fire doors must have the minimum opening force allowed by the local authority. 2 hand activated door opening hardware shall be centered between 30 inches and 44 inches above the floor.
The maximum force for pushing or pulling open a door shall be as follows. Open the door gradually.