450
Cost Estimating: Functional Area Costs
453
FUNCTIONAL AREA COSTS
The cost base (Section 530) includes an analysis of the costs of the
integrated subsystems in two VA hospitals, broken down by functional
areas. Structure is not included because its cost can be assumed to be
equally distributed throughout.
Cost variations between functional areas are generally quite similar for the
two buildings, suggesting their use in refining cost estimates during design
development. It could be assumed that the distribution of cost variations
will be approximately the same for any VA hospital with a similar set of
departments.
The main impact of the Prototype Design on these proportions is to reduce
the range of variation in costs by reducing the range of variation in
subsystem characteristics. This "leveling out" of functional area
differences must be taken into account in applying cost base data to cost
estimates of systems construction.
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