ASD/LRFD Manual - American Wood Council

142 M16: FIRE DESIGN
type of assembly being penetrated: F signifies a floor, W
signifies a wall, and C signifies a ceiling. The second alpha
signifies a limiting description, for example: C signifies a
framed floor, and L signifies a framed wall. The numeric
portion is also significant: 0000-0999 signifies no penetrating
items, 1000-1999 signifies metallic pipe, 2000-2999
signifies nonmetallic pipe, 3000-3999 signifies electrical
cable, 4000-4999 signifies cable trays, 5000-5999 signifies
insulated pipes, 6000-6999 signifies miscellaneous
electrical penetrants, 7000-7999 signifies miscellaneous
mechanical penetrants, and 8000-8999 signifies a combination
of penetrants.
For example, a floor/ceiling penetrated by a metallic
pipe would have a designation of F-C-1xxx, or with
nonmetallic pipe would be designated F-C-2xxx. A few
examples of floor/ceiling penetrations are included below.
Examples in Figure M16.1-23 are from the UL Fire Resistance
Directory, Vol. II: UL Systems F-C-2008, F-C-1006,
F‐C‐3007 & 8, F-C-5002.
Figure M16.1-23 Examples of Through-Penetration Firestop Systems
UL F-C-2008
Firestop
system
F-Rating - 1 Hr
Pipe or Conduit
T-Rating - 1 Hr
F-Rating - 1 Hr
T-Rating - 1 Hr
UL F-C-3007
General assembly
General
assembly
Firestop
system
Firestop
system
Cables
F-Rating - 1 Hr
T-Rating - 1 Hr
Pipe or Conduit
F-Rating - 1 Hr
T-Rating - 1 Hr
UL F-C-3008
Firestop
system
General
assembly
Cables
General
assembly
Firestop
system
F-Rating - 1 Hr
T-Rating - 1 Hr
Firestop
system
UL F-C-1006
Pipe or
Conduit
General
assembly
F-Rating - 1 Hr
T-Rating - 1 Hr
UL F-C-5002
Firestop
system
Schedule
10 Steel or
copper pipe
with pipe covering
General
assembly
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