Overmargin

Breastbeams—wood, cast steel, angles and channels—are carefully designed, with a big overmargin of strength.

Source: wiktionary

Premiers stand up because they are correctly designed and made with an overmargin of safety.

Source: wiktionary

From this result, M-G-M type can allow link loading of about 90%, which may be too large ordinarily, resulting in provision of an overmargin for traffic handling capacity.

Source: wiktionary

The processes of sabkhaization imply an overmargin shallow biogenic marine carbonate sedimentation mixed with distal alluvial fan deposition followed by solution redeposition of the carbonate to sulfate and dolomite;

Source: wiktionary