Anti-Tailgating / Anti-Piggybacking Mechanism (See also Man-Trap)

Anti-Tailgating / Anti-Piggybacking Mechanism (See also Man-Trap)

Nov 8, 2018

Two sets of doors, through which access to the second is not granted until the individual has passed through and closed the first, often referred to as a “man-trap.” A controlled turnstile is also considered an anti-tailgating/piggybacking mechanism. NOTE: One door is acceptable if it precludes passage by more than one individual at a time, such as a revolving door.

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