Quantcast Section 3: Design Phase

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The objective is to design an integrated physical
security system (Figure 4), for either a new facility or existing facility.
This security system must meet the requirements and criteria identified
during the planning phase (Section 2) including protecting against the full
range of design threats in a manner that also accounts for the security guard
force operating procedures and response times, and accounts for the physical,
functional, and budgetary constraints associated with the site or building.
Design Team.
The design team consists of the architects, security
specialists and the civil, structural, mechanical, and electrical engineers
responsible for the design of the facility.
Section Organization.  Paragraph 3.2 discusses the basic concepts
and important elements of an integrated physical security system design.
Paragraph 3.3 provides definitions of key terms.  Paragraph 3.4 provides a
step-by-step process for designing the security system for a new facility, or
the retrofit of an existing facility.
Basic Integrated Security System Design Concepts.  This section
describes basic design concepts associated with:  (1) the functional elements
of an integrated security system (par. 3.2.1); (2) the operating modes of a
security system (par. 3.2.2); (3) security exclusion/containment zones (par.
3.2.3); (4) balancing system response and intruder timelines (par. 3.2.4);
(5) barrier penetration performance (par. 3.2.5); (6) intrusion detection
(par. 3.2.6); (7) entry control (par. 3.2.7); (8) threat assessment (par.
3.2.8); and (9) security lighting (par. 3.2.9).
Security System Functional Elements
Real-Time Operating Systems.  Four basic functional elements must
operate in an integrated and timely manner to achieve an overall effective
security system that defeats the design threats.  These include:
Intrusion detection and access control.  Intrusion detection
and access control sensors and/or guards are required to detect any unusual
occurrence or disturbance around, at the entrance to, or within a secured
site or facility. The detecting and assessing functions also require a
communication system to transfer information to security control in a timely
Threat assessment.  A CCTV or guards are required to assess
whether the detected event or disturbance is actually a threat.


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