### What will be the cost of modular brick wall masonry?/ Rate analysis of modular brickwork.

Let us consider modular brick wall masonry as shown in the drawing for calculation purposes.

Given data:

Length of the brick wall = 4m.

Height of the brick wall = 3m.

The thickness of the brick wall = 200mm. = 0.20m.

The total volume of the brick wall masonry

= length × height × thickness

= 4m. × 3m. × 0.20m..

= 2.40 cum.

The total area of brick wall

= length × height

=4m. × 3m.

12 sqm.

A.  Material calculation:

Read the article " Brick, cement, & sand calculations for modular brick masonry." before proceeding further.

No. of bricks required/ cum. of wall = 500 nos.

No. of Cement bags required/ cum. of wall = 1.261 bags

The volume of sand required/ cum. of wall = 0.2628 cum.

Note :

The requirement of bricks, cement & sand per cum. is taken from the above-mentioned article.

1. No. of  bricks required

= [vol. of brick wall × bricks/ cum.]

=  [2.4 cum. × 500 nos.]

= 1200 nos.

2. No. of  cement bags required

= [vol. of brick wall × cement / cum.]

=  [2.4 cum. × 1.261bags]

= 3.0264 bags

3. The volume of sand required

= [vol. of brick wall × sand/ cum.]

=  [2.4 cum. × 0.2628 cum.]

= 0.6307 cum.

B.  Labor calculation:

The labor rate per cum. of the modular brick masonry ranges from INR 130/- to 210/- depending upon the region.

Let us consider an average rate of INR 170/- per sqm.

The total cost of labor for modular brick masonry

= total area of brick masonry in sqm.  × labor rate/ sqm.

= 12 sqm. × 170/-

= INR 2,040/-

Now, let us calculate the total cost of modular brick masonry in table format.

 Sl. no. Item. Qty. Rate. in INR. Unit. Cost in INR. 1. Modular  brick 1200 7/- Nos. 8,400.00 2. Cement 3.0264 380/- bag 1,150.03 3. Sand 0.6307 2100/- Cum. 1,324.47 4. Curing Lump-sum 200.00 5. Miscellaneous Lump-sum 175.00 6. The material cost = 11,249.50 7. Add 5% wastage = 562.48 8. Total material cost = 11,811.98 9. Labour cost = 2040.00 10. The total cost of modular brick masonry = 13,851.98

Note: To get accurate results, insert your regional market rate of materials & labor, in the above table.

a. The cost of modular brick wall masonry/sqm.

= [total brick masonry cost ÷ total brick wall area]

= 13,851.98 ÷ 12

= INR 1154.33 /sqm.

b. The cost of modular brick wall masonry/cum.

= [total brick masonry cost ÷ total vol. of the brick wall]

= 13,851.98 ÷ 2.4

= INR 5771.66 /cum.

c. The cost of modular brick wall masonry/sq ft.

= [1154.33 ÷ 10.764]

= INR 107.24 / sq ft.

d. The cost of modular brick wall masonry/cu ft.

= [5771.66 ÷ 35.3147]

= INR 163.44 / cu ft.

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