A Safety-Deviation is a Measure of the estimated-or-observed difference between a required Safety-Margin, and the estimated or actual System Attribute Level.

Alternative Names

Concept Number: *405
English Master: Safety-Deviation
Synonyms, Variations & Acronyms: none


“How safe?” or “How safe compared to plan?”



Figure *405: Diagram showing calculation of a Safety-Deviation for a performance Attribute. The Safety-Margin is relative to the target Level and the distance between the Baseline and the target. In this example, as the required Safety-Margin is 150%, it must be 50% beyond the target Level. The distance (x) is worked out from the distance between the target and the Baseline (2x).


[Safety-Deviation *405]: Metric.

For a Complete Menu containing hundreds of defined concepts for project management,
and to see Examples, Notes, Explanations, Related Concepts, Keyed Icons and Drawn Icons,
please Click Here.

This Concept entered by Adore.
Table of contents:

Created by system. Last Modification: Friday 08 of November, 2013 00:21:12 CET by Adore Shuko.