Configuration
Type of Sprinkler
NFPA 13 Edition
Applicable code edition
Obstruction Geometry
A
Horizontal Distance
Sprinkler to obstruction
in
B
Vertical Distance
Deflector to bottom of obstruction
in
Obstruction Schematic
Minimum Required A (Amin)
– in
from B via NFPA 13 Table 10.2.7.2
Maximum Allowed B (Bmax)
– in
from A via NFPA 13 Table 10.2.7.2
Is the Sprinkler Obstructed?
–