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Every dwelling unit entrance door other than a sliding glass patio door shall be equipped with a deadbolt lock with at least a one-inch saw-resistant bolt projection, or with a rim-mounted deadbolt lock or vertical drop deadbolt lock providing equivalent security. Every such lock shall be operated from the outside by a key and from the inside by a turnpiece, handle or knob which does not require a key or any special knowledge to operate. Every lock cylinder which projects beyond the face of the door or is otherwise accessible to gripping tools shall be equipped with a security collar and a guard plate designed to protect the cylinder from removal or drilling. Outside door hinges shall be equipped with nonremovable hinge pins or jam pins. Every dwelling unit entrance door shall be equipped with a viewing device. Every sliding glass patio door providing direct access to a dwelling unit and located within 20 feet of ground level or within ten feet of an adjacent roof or within ten feet of an exterior stairway, fire escape, ramp or porch accessible from ground level shall be equipped with a johnny bar or other device which securely locks the movable leaf in the closed position and which does not require a key or any special knowledge to operate from the inside. Every such sliding glass patio door shall be so constructed that it will resist removal from its tracks when in the closed position.
(Prior code § 78.5-3; Added Coun. J. 9-23-87, p. 4259)