Residencial building Thumb rules

https://youtu.be/ZRiwXk0-XaQ

*Residencial building Thumb rules*

For Only Ground Floor Structure

Concrete Grade - M20

Column Size -230X230

Steel required for column
Vertical bar -12mm - 4 Nos
Stirrups @200c/c

Staircase with overhed water tank -

Column Size- 230X230

Vertical bar- 16mm - 4Nos

Stirrups @150mmC/C

Slab thick - 115 to125mm

Waist slab - 150 to 175 mm thick

Beam Width 230mm
Beam depth

For up to 3000mm span- 300mm

For 3000mm to 4500mm Span -450mm

For 4500 to 6000mm span -600mm

Steel required - 2.5 to 2.75Kg/Sqft



For G +1 Structure

Concrete Grade - M20

Column Size -300X300

Steel required for column
Vertical bar -12mm - 6Nos

Stirrups @200c/c

Staircase with overhed water tank -

Column Size- 300X300

Vertical bar- 16mm - 6Nos

Stirrups @150mmC/C

Slab thick - 115 to125mm

Waist slab - 150 to 175 mm thick

Beam Width 230mm

Beam depth
For up to 3000mm span- 300mm

For 3000mm to 4500mm Span -450

For 4500 to 6000mm span -600mm

Steel rewuired - 2.75 to 3.0Kg/Sqft

For G+2 Structure_

Concrete Grade - M20

Column Size -380X380

Steel required for column

Vertical bar -12mm - 8Nos

Stirrups @200c/c

Staircase with overhed water tank -

Column Size- 380X380

Vertical bar- 16mm - 6Nos

Stirrups @150mmC/C

Slab thick - 115 to125mm

Waist slab - 150 to 175 mm thick

Beam Width 230mm

Beam depth
For up to 3000mm span- 300mm

For 3000mm to 4500mm Span -450

For 4500 to 6000mm span -600mm

Steel required - 3.0 to 3.25Kg/Sqft