Structural Analysis
If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from

-5 mm to +5 mm
-3 mm to +3 mm
-2 mm to +2 mm
-4 mm to +4 mm

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Structural Analysis
The minimum horizontal distance between two parallel main reinforcing bars, is

The diameter of the longer bar if their diameters are unequal
5 mm more than nominal maximum size of the coarse aggregate
The diameter of the bar if their diameters are same
Greatest value of the above

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