350
Plumbing Distribution: Design Criteria
353.3
The layout and detailing of the plumbing distribution should be organized
to minimize noise transference problems. Potentially noisy or vibrating
piping should be secured by isolating hangers and not be allowed to
induce noise into surrounding services or construction. The proposed
oversizing of pipes will lower velocities and thus further reduce noise
problems.
353.4
FUNCTIONAL ZONE
Generally plumbing to the functional zone will be surface-mounted on
partitions to allow for ease of change without partition damage or loss of
acoustical seal. This surface mounting may be achieved by furring out of
partition components or the use of separate prefabricated enclosures.
The latter include lavatory units, service containers and service walls
(such as those used in nursing units in combination with electrical outlets),
and prefabricated bathrooms. Where concentrated plumbing loads justify
them, prefabricated plumbing walls may be used. (See Sections 322.2
and 780.)
353.5
ACCESSIBILITY
All components should be designed and located so that routine
maintenance and repair and minor alterations will cause minimal
disturbance to patients and will not interrupt hospital activities. Major
repairs and alterations must be possible with minimum down time for the
space in which they occur, and without interrupting hospital activities in
adjacent spaces.
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