#fire-risk-assessment

Modern fire-safety engineer's office at golden hour with a wall-mounted F-N curve chart — red intolerable zone above a downward-sloping diagonal, amber ALARP carpet in the middle, green broadly acceptable zone below, dotted plant curve descending through the carpet — and an engineer's hand pointing at the chart with a red marker

📈 Fire Risk Assessment May 8, 2026 · 19 min read

F-N Curve and Societal Risk: Drawing the Line on Safety

An F-N curve maps the societal risk a regulator will tolerate. Here is the math, the slope, the ALARP carpet, and where each sector draws the line.

Bow-tie risk diagram for fire — blue fault tree of causes converging into a central flame, and an orange event tree branching outward into five outcomes

📈 Fire Risk Assessment April 18, 2026 · 15 min read

Event Tree vs Fault Tree: Two Ways to Count Fire Risk

A fault tree asks how a fire happens; an event tree asks what happens next. The logic, the algebra, and a worked warehouse example.

A modern high-bay warehouse at twilight with ESFR sprinkler heads spraying mist over pallet racking — the setting where every sprinkler design mistake eventually plays out

🛡️ Fire Safety Engineering April 18, 2026 · 12 min read

5 Sprinkler Design Mistakes That Cause Catastrophic Fires

The five sprinkler design mistakes that show up again and again in fire loss data — from commodity errors to ESFR clear-zone failures and cold-storage timing.