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 and communications capabilities will provide the necessary defense-in-depth
at various zones throughout the protected area.
3.5.4.1.3 Phase 2 Summary. Cost analysis (both initial and life cycle),
logistics involved in system options, and the operational enhancement
features of alternatives assist in the development of a "best" solution to
satisfy the unique requirements of the site. The final preparation of the
PSD provides the user with a comprehensive overview of how the proposed
system will both counter the design basis threats identified and mesh with
required user operations. Similarly, the policy implications involved in
system implementation are provided in the overview: present and future cost
of the system or system options and the consequences the user can avoid.
Lastly, the PSD informs him that he may proceed with system implementation
with assurance that the design represents an optimal solution given the
resource commitments approved by decisionmakers.
3.5.5 Phase 3 - Preparation of Final System Design. The final system
design (FSD) phase sets the security system design process into a
preimplementation cycle and takes the preliminary system design to the
levels of specificity required for actual procurement and installation
(see Figure 13). It is during this phase that all of the many steps
required for subsystem and subsystem element implementation are identified,
individual task/event and cost/schedules are prepared, performance
specifications to the element level are drawn, and required facility
renovation/construction plans are developed. A critical element in this
phase is synthesis: preparing a system integration plan which takes each
individual component and specifies its placement, interrelationship, and
contribution to overall, integrated system performance. The sum of the
parts are specified at this point and the totality can be viewed as an
integrated whole. If this synthesis step could be viewed as a matrix, the
horizontal axis would be seen as the columns of subsystems set forth in
Section 2 of this manual, The vertical axis would break down each location
(or sector) of the site (e.g., access points, building perimeter, specific
interior locations, etc.). Each column would indicate subsystem elements
required for deterrence, delay, detection, and
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