Section 4(3) in Andhra Pradesh Municipalities (Licences For Projections and Lease of Road Sides and Street Margins) Rules, 1969
(3)(i)the drain covering in the case of premises abutting on the street shall be 0.16 metres to 0.32 metres in thickness for drain. In the case of premises with a compound in front where heavy vehicular traffic is likely to pass over the drain, the covering may be granite or reinforced concrete slabs of the following thickness:Reinforced concrete slabGranite slab each 1.50 metres wide if no cover overOver drains 0.50 to 1 metre 0.10 metre to 0.13 metreOver drains 1.25 to 2 metres 0.50 metre to 0.63 metreOver drains 2.25 to 3 metres 0.63 metre to 0.75 metre(iii)In the case of larger drains thickness and the material of the covering shall be such as may be decided by the Secretary in each case to suit:(a)the class of stone or other covering material used;(b)the width of individual slab members carrying the load;(c)the load concentration expected; and(d)the depth of fill, if any over the slab.
