530
Cost Base: Functional Area Costs
534.4.7
In the deep radiation therapy department, the high density concrete
36" in thickness. The high cost of this shielding when applied to the
relatively small floor area occupied by the department, results in unit costs
for partitions of 3 times the overall average.
534.4.8
The unit costs for partitions in the Memphis and Miami support areas do
not differ to any significant degree. The differences which do exist can
generally be attributed to differing densities. The functional spaces in the
Miami facility tend to be smaller and more numerous than the comparable
spaces in Memphis. While a direct unit cost comparison for partitions by
functional area may reveal variations of up to 45%, the overall average
unit costs between the two hospitals are within 2%.
534.5
HEATING-VENTILATING-COOLING
534.5.1
Figures 530-7 and 530-8 illustrate the proportion of HVC costs distributed
among functional areas at Miami and Memphis. The following discussions
of specific high cost features attempts to explain some of the notable
differences.
534.5.2
In the surgical suites, a separate emergency HVC system doubled the
average unit cost at Miami, and similarly a special mechanical equipment
requirement at Memphis increased the unit cost there by an additional
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.87.
534.5.3
A large storage area within the radiology department, which is not fully
served, lowered the unit cost at Miami, and conversely, the remoteness of
the department at Memphis required extraordinarily long duct runs, raising
the unit cost there.
534.5.4
Exhaust systems required by laboratory fume hoods or kitchen exhaust
hoods raise the HVC unit costs in both hospitals in those functional areas
by as much as .40 per square foot.
534.5.5
The unit cost for central sterile at Miami is low due to its close proximity to
the mechanical equipment. The same functional area has a high unit cost
at Memphis due to the inclusion of .72 per square foot for special items
of mechanical equipment and appurtenances.
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