the anticipated 30-year needs of the occupants. This can
be accomplished by building additional space for future
growth of the HVAC systems during initial construction
and temporarily allocating it to building or tenant storage.
HVAC designers shall locate equipment adjacent to the
building perimeter wall that will abut future expansion for
orderly tie into new system components.
The HVAC system design for the Courtroom, Judge's
Chamber Suite, and the Jury Deliberation Room, which
comprise a single "court set", shall be designed to allow
the HVAC system to operate after hours.
The design shall include winter humidification for
"special" designated areas in the building. Special controls
for winter dehumidification will not be included since
modern HVAC systems are designed to keep relative
humidity within acceptable ranges.
Acoustic Performance
Acoustic performance should be a major consideration
regarding the selection of HVAC equipment. Systems
serving the courtrooms and auxiliary spaces should be
designed with sound attenuation to provide consistent and
acceptable sound levels. This is particularly critical in
design of court facilities that require extensive use of sound
and A/V equipment for recording and presentations.
Harold D. Donohue Federal Building and U.S. Courthouse, Worcester, MA
Since U.S. Court facilities should be expected to have a
long useful life, new construction and renovation projects
need to be planned to provide adequate mechanical and
electrical capability to the site and building(s) to support
future additions. It is particularly important to design the
systems for specialized areas of the building (lobby, food
service, mechanical rooms, electrical rooms) to support
279
DESIGN
STANDARDS
FOR
U.S.
COURT
FAC I L IT I E S
9.5
Mechanical Systems
Revised March 2005 PBS-P100
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