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Electrified
High Security Exit Devices Protect Government Facility
Indianapolis
High security exit devices that incorporate
deadbolt locking have been electrified and integrated
with a scrambler-type digital keypad to restrict
entry at a sensitive U.S. Government office. Combined
with other security measures, the devices protect
the occupants and keep the premises secure while
allowing fast, easy egress or exiting, normally
or in an emergency. With a move to new quarters,
the office was upgraded and brought into compliance
with government guidelines. One requirement was
that visitors be restricted until cleared and accompanied
by a staff member. While some type of deadbolt locking
was required to provide the proper level of security,
this also would have made it difficult for employees
to come and go easily.
The answer was to use a new exit device that also
incorporates deadbolt locking. The
Von Duprin Series HS99 devices used at the facility
represent successful integration by Von Duprin of
its rim-type exit device with the Sargent and Greenleaf
8470 Automatic Deadbolt. The result is high security
from the outside with around-the-clock single-motion
egress from the inside. While the main lobby door
also incorporates a keypad to control entry, several
other doors used primarily for egress use similar
HS exit devices.
Architectural Hardware Company, Wilmington, Delaware,
developed a door hardware package to meet the facility's
requirements. Because of the number of staff people
that use the main entry, keys or cards were ruled
out, and a ScrambleLock digital keypad was used
instead. This restricts outsiders but allows staff
members to enter from the lobby with little delay
at any time. It features a patented "Digital
Scrambler" keypad, a microprocessor-controlled
keypad that prevents access codes from being copied,
stolen or compromised by combining a unique random
pattern display with a restricted viewing angle.
This makes it virtually impossible for anyone other
than the user to see the number pattern being displayed
and steal an access code by watching which buttons
are pressed.
 Von
Duprin HS99 exit device protects entry to a government
office (left) by combining an exit device with a
deadbolt, shown here on the inside of a ballistic
(bulletproof) lobby door. Closeup with door open
(right) shows integration of S & G deadbolt
with Von Duprin rim exit device. Bulletproof glass
behind door forms one wall of the lobby.
When a staff member wants to enter, he or she simply
enters the proper code, and both the deadbolt and
latch are electrically released simultaneously.
When the door closes, it is automatically locked
with the added deadbolt protection. If desired,
temporary codes that are invalid after a certain
date can be issued to short-term staff members on
assignment at the office. Exiting from inside the
offices to the lobby, an individual simply uses
the exit device touch pad, which triggers both the
electrically released latch and deadbolt.
Additional information on the Von Duprin HS99 Exit
Device is available from Von Duprin, Inc., P.O.
Box 6023, Indianapolis, IN 46206. |
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