What's Required?
NFPA 25: Inspection, Testing, and Maintenance of Water-Based Systems
Reviewed by David Torres, PE, Fire Protection Engineer NFPA 25 requires four tiers of sprinkler system maintenance: monthly visual inspections by building staff, quarterly testing by a licensed contractor, annual comprehensive inspections, and a five-year internal pipe examination. According to NFPA research, inadequate maintenance is a leading factor when sprinkler