What is the lumpsum quantity of steel in residential and commercial building in unit of kg/sqft?

Hi,

Lumpsum is simply the thumb rule used for various works for civil engineering. there are many types of thumb rules for a civil engineer which are used for the construction of work so that following are some of the most frequently used thumb rules.

1. Thumb rule for the estimating of concrete volumes with respect to the given area.
2. Thumb rule for the quantity of steel required for beams, slabs, columns and footings.
3. the thumb rule for the uses of sand cement poles aggregate and it’s quantities for various grades of concrete.
4. Thumb rules for civil engineers for cement masonry quantities.

Lump sum quantity of steel shall be as following based on thumb rule:

For G+1 ... 1.92kg/Sq.ft

For G+3 ... 2.7kg/Sq.ft

For G+7 ... 4.2kg/Sq.ft

For tower_7 to 20 floors ... 6 to 7.2kgSq.ft

Lumpsum quantity of steel in residential as well as a commercial building:

Here I will tell you the meaning of lumpsum in a simple way, have a look;

Meaning Of Lumpsum:

The lump-sum is simply a single payment of money which is opposed to a series of payments made over time such as an annuity.

The quantity of steel is different in different structural elements because the load taken by different elements are different.

• Slab or lintel – 0.7 to 1% (55 to  78.5 kg per metre)
• Columns – 0.8 to 6% (62.8 to 471 kg per metre cube)

I hope so your doubt is clear.

Thank You.