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As a Thumb rule we take minimum 5 times the wait of equipment.
3 to 5 X equipment weight (ton) = density of concrete X volume = 2.5 (ton/m3) X W*L*N
Hello SirPleasd Ansower me Plumbing Forman now job in Doha Qatar my Cont No- 0097433283256 Thank You MOJAHIDUL ISLAM
There's quite a number of accounts to put into consideration, such as the type of mechnical equipement, it's wait and rate of vibration and the manufuctures specification, the structural Engineer's suggestion, the nature of the soils etc. Formulars for this may vary alot.