Page 15 - CPVC Fire Sprinkler Products Installation Instructions & Technical Handbook
P. 15

LISTINGS & APPROVALS 13 Figure 3 - Unfinished Basement, Solid Wood Joists, Riser in Corner
2
         8'-0" (2,4 m) MAX.
      16'-0" (4,9 m) MAX.
 16'-0" (4,9 m) MAX.
   1-3/4" (44,5 mm) MAX.
      2'-0" (609,6 mm) MAX. TO PIPE SUPPORT
   2x16 MAX.
MAIN
BRANCH
8'-0" (2,4 m) MAX.
40'-0" (12,2 m) MAX. TO WALL OR BLOCKING
  12" (304,8 mm) MAX. TO CENTER OF RISER
  24" (609,6 mm) CENTERS
   RISER 1" MIN. TO 2" MAX.
     1-1/2" (38,1 mm) MAX. FROM WALL TO EDGE OF RISER
    Figure 4 - Unfinished Basement, Solid Wood Joists, Blocking
                   BLOCKING TO FULL DEPTH OF JOIST
24" MAX. CENTERS
CEILING
   BLOCKING
JOIST
2" x 16" MAX.
Figure 5 - Unfinished Basement, Branch Line Support
                   1/2 JOIST DEPTH MAX.
Branches Supported with Blocking
1-3/4" MAX.
1/2 JOIST DEPTH MAX.
Branches Supported with Hangers
1-3/4" MAX.
  




































































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