Tag
nfpa-25
August 31, 2026 · 5 min read
Main Drain Tests: What the Numbers Mean and When to EscalateHow to read main drain gauge numbers against last year's test, tell a closed valve from a real supply problem, and what actually belongs on the ITM report.
July 24, 2026 · 4 min read
Deficiency or Impairment? NFPA 25's Three Tiers and the Chapter 15 ProcedureWhat separates a noncritical deficiency from a critical one from a full impairment under NFPA 25 — and the exact Chapter 15 steps required when a sprinkler system comes out of service.
July 24, 2026 · 4 min read
Quarterly NFPA 25 Sprinkler Inspection & Testing ScheduleNFPA 25 testing requirements for sprinkler systems: the quarterly inspection, annual check, and the 3-year and 5-year internal and standpipe tests.