220
The Service Module: Functional Zone
225
FUNCTIONAL ZONE
The functional zone is that portion of the service module which houses the
hospital activities, and which can be internally organized in various ways
to accommodate the different functions.
225.1
HEIGHT
The height of the functional zone is constant on any one floor and is
typically 9'0" in the nursing areas and 10'0" in the support areas of the
hospital (See Section 722.3).
225.2
PERMANENT COMPONENTS
Generally, the only permanent vertical components which occur within the
functional zone are the structural columns. Shafts, shear components,
and two hour fire partitions are located at the perimeter so as not to
interfere with planning freedom (or with horizontal service distribution in
the service zone above).
225.3
PARTITIONS
Partitions within the functional zone are typically relocatable and do not
penetrate the ceiling-platform. (See Section 326.)
There is no explicit planning grid for partitions. However, a dimensional
discipline is implied by the spacing of the structural beams in the floor and
the spacing of the structural members in the ceiling-platform. These limit
the location of service drops and floor drains and, therefore, the location of
partitions which are associated with them. (See Section 333.4.)
225.4
SERVICES
Except for drains, all services to the functional zone are down-fed through
the ceiling from the service zone above. As a general rule, it is
recommended that service distribution components should be surface
mounted and not housed within partitions. (See Section 723.1 for
rationale.)
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