220
The Service Module: Basic Design
The "building block" concept offers considerable advantage in design,
construction, and operation and maintenance.
Once derived, the service module provides a means of manipulating
overall plan configuration with the assurance that the subsystem capability
remains.
Furthermore, the use of service modules with known assembly
characteristics and precoordinated building subsystems can shorten the
design process and allow construction to start prior to completion of
detailed planning, should this be desired.
221.1.2
Adaptability and Variability
The mechanical independence of the service module permits one unit to
undergo alterations while adjacent units can continue to operate
unaffected. Some functional areas that do not operate on a 24-hour basis
can be shut down when not in use, and some units can use 100% outside
air while others use 25%.
221.2
DERIVATION
The service module is directly derived from the requirements for efficient
organization of the structural and services subsystems. These establish a
scale of space and performance sufficiently generalized to be compatible
with a wide range of departmental sizes and environments. In the patient
bedroom areas, the service module is more precisely tuned to the
functional requirements of the nursing unit by means of the space module.
(See Section 230: The Space Module).
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