- When a span of concrete floor or roof is more than 30 times the thickness of the wall, then all eccentricity may be anticipated due to sagging. The eccentricity is given as one-sixth of the bearing width.
- When the roofs or floors do not bear on the entire width of the wall, then there is a possibility for eccentricity even for normal span. In such cases, the eccentricity is taken equal to 1/12th the thickness of the wall.
- For timber and other light weight floors, eccentricity is assumed one-sixth the thickness even for full-width bearings.
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