MINIMUM THICKNESS OF STRUCTURAL CONCRETE MEMBERS

Minimum Thickness of Structural Concrete members and Concrete embedded Elements

Structural concrete member sizes should be as per Design Requirements. However, minimum dimensions of structural members can be considered as given below:

Sl. No.	Structural Element	Minimum Thickness
1	Pile cap	600mm
2	Levelling concrete below liquid retaining structures	100mm
3	Levelling concrete for other RCC foundations	75mm
4	Footings (All types including raft foundation without beams)	300mm
5	Grade slabs	150mm
6	Underground pit / reservoir (below ground water table) walls and slab	200mm
7	Underground pit (above water table) walls and slab	200mm
8	Columns and pedestal length	250mm width, 250mm depth
9	Beams	250mm width, 300mm depth
10	Floor / roof slab walkway	150mm
11	Parapet wall	100mm
12	Chajja	100mm
13	Cable / pipe trench walls and base slab	125mm
14	Precast trench cover	125mm
15	Insert plate	12mm
16	Corner angle	6mm