#gross disproportion

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ALARP weighing at a grid-scale battery storage site at golden hour — rows of white lithium-ion battery containers behind a chain-link fence with a brick house beyond, an antique brass balance scale on a weathered steel site table with a stack of coins on one pan and a small steel model of a battery container on the other, an open safety case binder showing a red, amber and green inverted tolerability triangle, and a fire safety engineer in a hi-vis vest and white hard hat resting a hand on the binder while studying the scale

Fire Risk Assessment

ALARP: How 'As Low As Reasonably Practicable' Became Law

ALARP turns a 1949 mining case into a legal test. Here come the tolerability limits, the gross disproportion arithmetic, and how a BESS case uses them.

September 6, 2026 · 19 min read