Building Construction
The range of spread from the wall base to outer edge of a brick work foundation does not exceed

2/3 horizontal to 1 vertical
1 horizontal to 1 vertical
1/2 horizontal to 1 vertical
2 horizontals to 1 vertical

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Building Construction
Grillage foundation

Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth
Is light and economical
All listed here
Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity

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