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

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.