Page 14 - CPVC Fire Sprinkler Products Installation Instructions & Technical Handbook

12 LISTINGS & APPROVALS
Figure 1 - Unfinished Basement, Solid Wood Joists, Center Wall Riser with Center Room Main
MAIN
2x16 MAX.
BRANCH
8'-0" (2,4 m) MAX.
16'-0" (4,9 m) MAX.
16'-0" (4,9 m) MAX.
12" MAX. (304,8 mm) TO CENTER OF RISER
8'-0" (2,4 m) MAX.
RISER 1" MIN. TO 2" MAX.
24" (609,6 mm) CENTERS
1-3/4" (44,5 mm) MAX.
2'-0" MAX. (609,6 mm) TO PIPE SUPPORT
40'-0" (12,2 m) MAX. TO WALL OR BLOCKING
1-1/2" MAX. (38,1 mm) FROM WALL TO EDGE OF RISER
Figure 2 - Unfinished Basement, Solid Wood Joists, Center Wall Riser with Main at Wall
8'-0" (2,4 m) MAX.
MAIN
BRANCH
8'-0" (2,4 m) MAX.
40'-0" (12,2 m) MAX. TO WALL OR BLOCKING
24" (609,6 mm) CENTERS
16'-0" (4,9 m) MAX.
16'-0" (4,9 m) MAX.
12" (304,8 mm) MAX. TO CENTER OF RISER
1-3/4" (44,5 mm) MAX.
2x16 MAX.
2'-0" MAX. (609,6 mm) TO PIPE SUPPORT
1-1/2" MAX. (38,1 mm) FROM WALL TO EDGE OF RISER
RISER 1" MIN. TO 2" MAX.