250
Planning Module Applications: Design Configurations
Three alternate strategies have been developed for the use of a service
strip. However, the detailed resolution of this condition must be
accomplished on a project-by-project basis. (See Section 735.1.2 and
Figure 730-5 for demonstration of the service strip in the Building
Schematic Design.)
a. The air-handling unit is located adjacent to the service module, and air
is ducted to the air-handling unit, either through a vertical shaft or
horizontally through the service zone. (See Figure 250-3.)
b. The air-handling unit is placed in a remote location such as the roof
while the electrical room and the main plumbing risers remain in their
normal location. Supply and return air are ducted to and from the
service module and the air-handling unit. (See Figure 250-4.)
c. The air-handling unit, and all auxiliary pumps and fans, are located at
the service zone level. This would require an increased service zone
height. (See Figure 250-5.)
The choice of one of the three alternates for an individual configuration
would largely rest on specific programmatic and functional requirements,
but Alternate b. best provides for replacement and maintenance of
mechanical equipment. Alternates a. and c. would severely complicate
the problem of replacing large equipment. Additionally, Alternate c. would
require a modified ceiling structure to accommodate the mechanical
equipment in the service zone and to deal with the resultant acoustic
problems.
A service strip would require a special structure, since the alternates for
planning this zone do not suggest a basic design which would suffice for
all cases. (See Figure 316.5.)
251.3.3
The Space Module
1. Aspect and Attachment
When the service module contains bed-care functions, its assembly
characteristics are largely dictated by the space module requirements
for aspect and attachment to other space or service modules.
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