SECTION 4 – SYSTEM DESIGN
UL EX3470 ULC EX3470
PAGE 4-64 REV. 11 2014-SEP-01
R-102 Restaurant Fire Suppression Manual
DISTRIBUTION PIPING REQUIREMENTS (Continued)
Supply and Branch Line Identification
The R-102 distribution piping network is broken down into
four specific pipe runs: the Supply Line, the Duct Branch Line,
the Plenum Branch Line, and the Appliance Branch Line. See
Figure 4-127.
FIGURE 4-127
000779
SUPPLY LINE
The Supply Line is defined as the length of pipe which runs from
the agent tank outlet to the last branch line (whether a duct,
appliance, or plenum branch line). This includes all supply line
fittings except for the tees or elbows leading to the branch lines.
See Figures 4-127 and 4-128.
FIGURE 4-128
000780
DUCT BRANCH
LINE
SUPPLY
LINE
PLENUM
BRANCH LINE
APPLIANCE
BRANCH LINE
NOTE:
THIS IS A CONCEPTUAL DRAWING ONLY.
THIS IS NOT AN ACTUAL INSTALLATION.
NOTE:
THESE ARE EXAMPLES ONLY. OTHER CONFIGURATIONS CAN BE DESIGNED.
END OF
SUPPLY LINE
END OF
SUPPLY LINE
END OF
SUPPLY LINE
END OF
SUPPLY LINE
SUPPLY
LINE TEE
(NOZZLES FOR
PLENUM
PROTECTION)
END OF
SUPPLY LINE
SUPPLY
LINE TEE
BRANCH LINE CANNOT
START AHEAD OF A
SUPPLY LINE TEE
BRANCH LINE CANNOT
START AHEAD OF A
SUPPLY LINE TEE
(NOZZLES FOR
PLENUM
PROTECTION)
