7.2.1.2 Domed Concealed Pendent Sprinkler Mounting
For a domed concealed pendent sprinkler, the bottom of the FIREPEX sprinkler
fi
tting bracket can be located using:
H = S – DW – D + 0.35 (inches)
(2)
where:
-
H is the distance between the bottom of the joist and the bottom of the FIREPEX sprinkler
fi
tting bracket,
-
S is the distance from the top of the threads of the
fi
re sprinkler to the face of the de
fl
ector (provided by the sprinkler manufacturer),
-
DW is the thickness of the drywall
-
D is the distance between the face of the drywall and the face of the de
fl
ector (provided by sprinkler manufacturer).
S
H
DW
D
Fig. 7.4: Domed concealed pendent sprinkler mounting diagram
Fig. 7.5: Domed concealed pendent sprinkler mounting example
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