MIL-HDBK-1191
SECTION 19:
INTEGRATION OF BUILDING SYSTEMS
19.1 General. This section provides guidance for the use of
Integration of Building Systems (IBS) concepts for the design of all
medical and medical research facilities. IBS design involves the
coordinated design of all elements of a building, integrating the
functional, architectural, electrical, energy, fire protection,
mechanical, structural, and other features into a unified whole. All
design elements are recognized as essential to a successful facility,
and are therefore to be treated simultaneously and with equal weight.
The objective of IBS design is to achieve a building of optimum
functionality, appearance, maintainability and adaptability. Attention
must be given to structure, utility systems and equipment with the
involvement of all design disciplines from the beginning of design in
order to minimize interference with the facility mission and at the
same time assure high quality utility services. Inherent in IBS design
for medical and medical research facilities is the minimization of
maintenance traffic and operations within functional areas through
careful consideration of equipment room locations and the routing of
utility services. Equally important is the assurance of proper
installation, and maintainability, of primary and distribution
equipment through careful consideration and coordination of envelope
space requirements. Utility system space planning must occur
simultaneously with overall site and facility planning. Aesthetic
prominence or idealized functional planning without full coordination
with structure and all utility systems is not acceptable.
19.2 Policy. The basic IBS design concepts apply to all medical and
medical research facilities regardless of size. The more sophisticated
IBS Systems Module design concepts, including utility pods and
interstitial walk-on decks dedicated to utility distribution, are to be
considered only for larger or more complex facilities. Use of the IBS
Systems Module design concepts must be approved by TMA-DMFO.
19.3
Basic IBS Design Concepts.
19.3.1
Equipment Room Locations. In planning the locations of
mechanical, electrical and communications equipment rooms, designers
shall consider such factors as exterior access, the routing path and
length of service feeders to the areas served, and the proximity of
ventilation air intakes to potential contamination sources. Well
distributed equipment rooms minimize problems in design, construction
and maintenance. Coordinate all equipment room locations to minimize
utility distribution "choke points," particularly in above-ceiling
spaces, where multiple systems may cross or converge. Such crossings
lead to inadequate space for equipment installation, maintenance and
ventilation. Major equipment rooms shall have exterior access with
paved surfaces for wheeled transport of equipment. Consider also
requirements for horizontal and vertical access to interior, below-
grade or upper level equipment rooms including transport of the largest
items of equipment that may require replacement.
19.3.2
Equipment Room Space Requirements. The designers shall
assure that equipment space requirements are properly coordinated among
the different design disciplines thus permitting proper installation
while preserving required maintenance clearances. As equipment is
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