// multi-utility computation suite · offline · instant · precise
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sci.ASET-RSET-evacuation-margin Calculator
Calculates the fire safety margin ASET (Available Safe Egress Time) minus RSET (Required Safe Egress Time) from fire detection and egress modelling. Positive ASET-RSET margin confirms tenability — SFPE guidelines recommend a minimum safety factor of 1.5× RSET before ASET.
Inputs
Aset Min
Duration of the process. Make sure units match the rate inputs (seconds, minutes, or hours).
Detect Min
Reference formula or conversion factor shown for context.
Alert Min
Reference formula or conversion factor shown for context.
Pre Move Min
Reference formula or conversion factor shown for context.
Travel Min
Duration of the process. Make sure units match the rate inputs (seconds, minutes, or hours).
Results
RSET — required safe egress time (min)
The computed duration or time value.
safety margin ASET − RSET (min)
Sample size or count used in the calculation.
safety factor ASET/RSET
A dimensionless multiplier applied in the calculation.
RSET = t_detect + t_alert + t_pre-move + t_travel
Reference formula or conversion factor shown for context.
egress status
Current state of the system, process, or metric — typically pass/fail, healthy/warning/critical, or a descriptive classification.
ASET influencing factors
A dimensionless multiplier applied in the calculation.