Construction Cost Estimating


How to measure the quantity of straight wall

In this civil engineering video tutorial, you will learn how to find out the quantity of a straight wall. The steps involved in estimating process are cost for digging, PCC foundation, brickwork, DPC, Brickwork, Plaster and at last white wash.

Suppose, the length of the wall is 6, height is 100 meter, width 30 cm and the quantities should be determined for the following items :-

a. Earthwork
b. Concrete work
c. Brickwork in foundation & plinth
d. Damp proof course
e. Brickwork in super structure
f. Cement plaster
g. White wash

The ratio of DPC is 1:2:4. In plinth level (1st step), height is taken as 60 cm, width 40 cm. In construction of second step, the height is taken as 20 cm and width is 50 cm. Ground level is located here.

The ratio of construction in ground level is (1:4:8). In PCC work at the end, the height is taken as 30 cm and width is 70 cm.

The details of the work is given below :-

For excavation or earthwork :-

a. Length is taken as 6.40 meter
b. Breadth is taken as 0.70 meter
c. Height is taken as 0.50 meter

To obtain the value of 6.40 meter, deduct the height of the wall from the height of the PCC i.e. 70 – 30 = 40 cm = 0.40 m. After adding this to total height of the wall, we get 6.40 meter. The breadth will be the breadth of PCC i.e. 70 cm = 0.70 meter. The height should be taken by adding the height of ground level and the height underneath i.e. 20 + 30 = 50 cm = 0.50 meter. After multiplying the three, we get 6.40 x 0.70 x 0.50 = 2.24 m3. So, the quantity required for excavation = 2.24 m3.

To learn how to work out the quantity of other items, go through the following video tutorial.

Video Source: Civil Engineering

How to measure the quantity of straight wall