Construction Cost Estimating

      

Desired size and quantity of reinforcement for building project

Reinforcement plays a crucial role for reinforced concrete members like footings, beams, columns, slabs, lintels etc. Calculation of reinforcement quantity should be started before tendering phase to work out estimated cost of project or construction work.

Go through the following table to obtain the estimated quantities of reinforcement and its size which are very essential for different building projects:

All the steel described above are round tapered steel. This data will be applied for measuring the quantity of steel for different RCC works. There is no information for the necessity of actual steel for all the members. Requirement of actual quantity of steel will be estimated from the drawings which are arranged once the structural design is completed.

Sl. No

RCC Member

Quantity in kg/m3

Size of reinforcement required

1

Column footings

75

10mm or 12mm

2

Grade beams

100

12mm, 16mm – 85%
Stirrups – 6mm or 8mm– 15%

3

Plinth beams

125

8mm diameter – 85%,
Stirrups 6mm – 15%

4

Columns

225

16mm, 20mm and 25mm – 90%
Ties – 6mm or 8mm – 10%

Sl. No

RCC Member

Quantity in kg/m3

Size of reinforcement required

5

Lintel beam

125

12mm, 16mm dia – 85%
Stirrups – 6 mm or 8mm – 15%

6

Sunshades

60

8mm dia – 75%
Distributer – 6mm – 25%

7

Canopy slab upto 2.0 m span

125

10mm dia – 80%
Distributor bars – 6mm or 8mm – 20%

8

Staircase waist slab

150

12 or 16mm dia – 80%
Distributor 8mm dia – 15%

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Desired size and quantity of reinforcement for building project