if the length and breath of footing is 1.2m x 1.2 m what
will be the length and breath of foundation trench
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Answer Posted / protin rabha
Not correct at all. We have to consider extra length and breadth for centering and shuttering also. At least 30 cm both side. So, if footing size is 1.2×1.2m then plus .30m extra both side. Which means size of foundation trench will be 1.5×1.5m. And PCC size can be taken as 150mm extra both sides, which will be 1.35×1.35m PCC size.
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