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USACE / NAVFAC / AFCESA
UFGS-13955A (July 2004)
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Preparing Activity: USACE
Superseding
UFGS-13955A (December 2001)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated 23 June 2005
Latest change indicated by CHG tags
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SECTION 13955A
AQUEOUS FILM-FORMING FOAM (AFFF) FIRE PROTECTION SYSTEM
07/04
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NOTE: This guide specification covers requirements
for foam-water AFFF fire protection sprinkler and
nozzle systems.
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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PART 1
GENERAL
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NOTE: The complete design of the AFFF system must
be shown on the project drawings. There are no
provisions in this UFGS for the Contractor to
perform hydraulic calculations or to lay out the
system. (For aircraft hangar applications, refer to
ETL 1110-3-484.) Use sprinkler hydraulics software
for hydraulic calculation of the fire protection
system.
Assure that the design analysis clearly
describes the design approach and includes hydraulic
calculations. The drawings SHOULD include complete
pipe and equipment layout WITH SPACE ENVELOPE
REQUIRED FOR INSTALLATION AND OPERATION OF EACH
SYSTEM COMPONENT SHOWN. THE DRAWINGS SHOULD ALSO
INCLUDE sprinkler and nozzle locations, elevation
views of the piping showing vertical location of
SECTION 13955A
Page 4
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