Door should be integrated with the active fire fighting system like like fire alarm. Should be fail safe 3. Door should un-lock due to loss of power (fail safe) 4. Manual release shall be provided in the vicinity, (push to exit) in addition to access control system like card reader etc.. e) Turnstile doors cannot be used in exit pathways or means of egress except the door of required width are provided within 3mt of the opening. Shall be able to discharge in case of an emergency f) Doors in folding partitions shall not be treated as means of egress