19. Computerized keying
be constructed of nonferrous or stainless metals. Plastic
readers or keypads are not recommended for hallways or
Access control consists of replacing the existing pinned
other areas which would be subject to damage from cart
profile type key for locking with a system which offers
traffic. Plastic enclosures are not acceptable for exterior
individual or grouped assignment access to an area or
locations which are subject to vandalism.
d. Standalone Self-Powered Access Units. These
place of storage. Consideration must be given to each
lock location to determine if fail-safe or fall-secure is
lock-sets are acceptable for rooms where each room or
needed upon loss of electric power. This limiting may be
area has less than ten individual users. These units must
made by the issuance of an encoded device and/or a
be adaptable to standard ANSI door preparations to
numerical code, Personal Identification Number, PIN. At
conform with fire door requirements. Such a control may
the required point of entry a device is installed to enter
contain an onboard buffer to maintain history of the
the encoded device and/or PIN for specific or subgroup
recent users. This provides an audit trail for analysis of
identification. If the recognition is positive, then
recent occupation. Self-powered units may require
permission to enter is granted. These Systems allowing
physically going to the lock to remove or change a user's
time/day/date rejection of users as well as an audit trail of
access. Reprogramming of the system should not require
those who have gained access or have been rejected for
the disassembling of the system or lock. This type of
attempted entry at non-authorized times.
locking should be available for as many types of locks as
a. Encode Devices. Encode devices are available in
possible including cylindrical, mortise, or exit devices.
various technologies in card and key shaped products.
Such devices must also be available with lever handles so
Cards, the most universal encoded device are available in
as to meet the requirements for handicapped in facilities
punched hole, scattered magnet, scattered wire, magnetic
e. Single Code or Card Locking Devices. These
stripe, and proximity types. While some card types are
more difficult to duplicate than others, the rule for select-
units are of limited value except for an area with only one
ing a type should be cost and availability for additions
user. Tracking of usage is almost impossible and
and replacements to a system. Even a duplicate card's
therefore presents little, if any, security.
origin can be traced in a well maintained system.
20. Finishes of hardware
Magnetic cards best meet these criteria.
b. Card Systems. Card systems maybe either
hardwired, stand alone self-powered, or systems which
Finishes will conform to table 1, with code numbers from
include both types of entry points so long as both types
BHMA A156.18. Exposed parts of concealed closers will
use the same encoded card. The highest level of security
have finish to match lock and door trim. Hardware for
will have individual card codes as well as unique PIN's.
aluminum doors will be finished to match the doors.
c. Reader Mechanisms. Reader mechanisms should
Table 1. Specifications tor Hardware Finishes.
ALUMINUM DOOR HINGES
Satin Stainless steel
INTERIOR DOORS AND INSWINGING EXTERIOR DOORS
Primed for painting
Plated satin bronze, clear coated
OUTSWINGING EXTERIOR DOORS
Primed for painting
Satin bronze, clear coated