510
Generalized Needs and Requirements: Hospital Requirements
513
FUNCTIONAL REQUIREMENTS FOR THE TOTAL HOSPITAL
513.1
Introduction
Functional requirements define user related building performance criteria.
As such they are major determinant of the building system and provide a
framework against which the system should be evaluated. These
requirements are supplemented with the constraints of component
characteristics, building codes, VA regulations, construction trade
standards, cost criteria, etc, all of which are additional building system
determinants.
The requirements in this section are based on particular activities or sets
of activities which are thought to establish building system performance
criteria. Since individual activities are transitory, the building subsystem
performance requirements derived from these functional requirements will
in many cases exceed the requirements for individual activities in order to
accommodate probable future needs.
513.2
ADAPTABILITY AND GROWTH REQUIREMENTS
513.2.1
The opening configuration and initial building performance should
represent only one option of total building capability.
The initial phase normally achieves the highest level of user need
satisfaction. While subsequent alterations usually result in a lesser
degree of need satisfaction as a consequence of constraints imposed by
an established configuration and by component performance limits, the
building system should minimize the effect of these constraints.
513.2.1
The building system should allow for growth and change in an economical
manner with minimum disruption to ongoing activities and in a way which
will achieve desired performance.
513.2.2
The building system should permit the following types of growth and
change:
1. relocation of furnishing or equipment;
2. change of utility services;
3. change of occupancy;
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