The IS 1200 code gives mode of measurement of various construction work like RCC, PCC, Brick work etc. However, it does not specify the any allowable wastage in construction materials. These wastages are generally mutually agreed between contractor and client. As thumb rule following wastage are generally considered in various construction material:
Material
Standard Wastage in %
Cement
1
Reinforcing Steel
3
Coarse Aggregate
2.5
Fine Aggregate
2.5
Stone Masonry
25
Structural Steel
5 to 10
Tiles
7 to 10
Volume of Stone Masonry = 100 cum Considering 25 % Wastage, Volume of stone masonry required is 1.25 × 100 = 125 cum.