Section 8(1) in Tamil Nadu District Municipalities Building Rules, 1972
(1)The foundation of every building newly constructed shall be -(i)so constructed as to satisfy the executive authority that they will sustain the combined load of the building and of the superimposed load and transmit these loads to the sub-soil in such manner as not to impair the stability of building or part thereof by the settlement caused by the pressure of such loads; and(ii)taken down to such a depth or so constructed as to render the building immune from damage from movements due to seasonal variations in the context of moisture in the ground.
