Use severity, occurrence, and detection thinking to make a defensible stop-work decision.
01 Severity 02 Control 03 Service path 04 Try Unsafe access The rooftop unit is urgent, but the only access ladder is slick with residue. Safety calls get distorted when customer pressure is treated as evidence that the hazard is acceptable. FMEA in the field Severity first, controls second, service alternative third. A stop-work call is not a refusal to serve. It is a risk decision paired with a safer route to service. Proceed Everyone uses that ladder, and the customer is urgent. The team protects the person and offers a concrete way forward. Urgency can change priority; it cannot…
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