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USACE / NAVFAC / AFCESA
UFGS-13935A (January 2004)
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Preparing Activity: USACE
Superseding
UFGS-13935A (March 2003)
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 13935A
DRY PIPE SPRINKLER SYSTEM, FIRE PROTECTION
01/04
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NOTE: This guide specification covers the
requirements for dry pipe fire protection sprinkler
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: Because dry systems are slower in operation,
are less reliable, and require considerable and
critical maintenance, they should be limited in
application and used only in areas subject to
freezing. Areas that are not subject to freezing
should be protected with wet pipe sprinkler systems.
The Designer will edit this specification section
for either a performance-designed system or a fully
designed system as applicable.
This specification section is primarily intended for
performance designed systems, i.e. systems where the
size, layout, and support of branch lines and cross
mains, and the layout of sprinkler heads will be
SECTION 13935A
Page 4