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USACE / NAVFAC / AFCESA
UFGS-15720N (September 1999)
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Preparing Activity: NAVFAC
Replacing without revision
NFGS of same number and date
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated 23 June 2005
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SECTION 15720N
AIR HANDLING UNITS
09/99
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NOTE: This guide specification covers the
requirements for air handling equipment including
central-station air handlers, fans, (centrifugal
fan, propeller fan, vaneaxial fan, power ventilator,
in-line tubular centrifugal fan, propeller ceiling
fan, and air curtain), gravity ventilators, fan-coil
room units, room air-induction units, variable-air
-volume terminal units, and unit ventilators.
Comments and suggestions on this guide specification
are welcome and should be directed to the technical
proponent of the specification. A listing of
technical proponents, including their organization
designation and telephone number, is on the Internet.
Recommended changes to a UFGS should be submitted as
a Criteria Change Request (CCR).
Use of electronic communication is encouraged.
Brackets are used in the text to indicate designer
choices or locations where text must be supplied by
the designer.
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NOTE: This guide specification does not cover and
should not be used for local exhaust systems. It
may be used for fresh air supply or make-up portion
of local exhaust system. Local exhaust systems are
appropriate for the containment or removal of
contaminants encountered in hazardous work place
atmospheres. Consult Section 11501, "Industrial
Ventilation and Exhaust Systems (Ducts and Fans),"
for guidance regarding local exhaust systems. Noise
levels of all equipment shall not exceed 84 dBA on
an 8 hour time weighed average. See OPNAVINST
5100.23B, paragraph entitled "Permissible Exposure
Limit (PEL)."
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SECTION 15720N
Page 4
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