NFPA 13 3 & 4 Times Rule fire sprinklers spraying over horizontal and around vertical obstructions
12:52
NFPA 13 obstructed unobstructed construction. Fire sprinkler distance below ceiling.
7:21
NFPA 13 Soffit and Cabinet Rule. Fire sprinklers spraying under obstructions
1:47:24
Sprinkler Installation Requirements in NFPA 13
9:19
Why Does Fire Sprinkler Spacing Matter?
3:25
Heat exchanger pressure test
4:31
NFPA 13 Beam Rule. Fire Sprinkler spraying under obstruction.
10:00
Electric Fire Pump Testing
23:13