740
Example Service Module: Opening Configuration
742
OPENING CONFIGURATION
742.1
FUNCTIONAL ZONE
Figure 740-4 shows an assumed functional zone layout in the service
module. It includes departmental offices, a small radiology suite, and the
overflow from an outpatient department in the adjacent service module.
Service drops have been assumed in the rooms to give reference points
for the layout of branch service distribution above the ceiling, and a
representative ceiling-lighting pattern is shown in two of the bays to
demonstrate conduit runs. No partition planning grid is necessary or
assumed in this example, but the partition layout should be always
planned with careful reference to the floor beam pattern where drainage is
required, and to the ceiling construction where the service drops are
expected. For example, service drops along the line of a trussed tee
could be provided if required, but the predictability of these supports
makes them easily avoided if they are considered during the layout
planning.
742.2
HVC DISTRIBUTION
Figure 740-5 shows the layout of the main and branch distribution and
flexible duct laterals of the HVC subsystem. The illustration is
diagrammatic, but gives a complete picture of the required layout with the
exception of the duct, diffuser and outlet sizes which would be added to a
production drawing. This concise diagrammatic view would be possible
for all service module layouts in a system hospital because of the
predetermination of service layout shown on the preceding drawings. The
branch distribution layout was produced in the following steps:
1. First, the number of required supply zones was established for the
functional zone layout. In this case, 24 were identified, including
corridors, some grouping of offices and generally separate zoning of
radiology suite rooms.
2. Next, the general exhaust duct branches were placed at one per 22'6"
bay. Two special exhaust branches were required for the toilet areas.
The following sketch resulted:
3 - 146
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