**Brickwork** rate analysis can be calculated by estimating materials cost ,labour cost,water charges and by adding contractor profits.

## Brickwork materials

Brickwork involves the following materials and labor cost.

- Cement
- Sand
- Bricks

Let us consider length of brick wall as 10m and height as 3m and thickness of wall as 230mm.

Considering bricks of size 230mm x 115mm x 75mm (9” x 4.5” x 3”) were utilized.

### Estimating materials quantity

Volume of brick wall=10m x 3m x .23m=6.9 m3

Volume of 1 brick with out mortar=0.23m x0.115m x 0.075m=0.00198 m3

Volume of 1 brick with mortar=(0.23+0.01)m x (0.115+0.01) x (0.075+0.01) =0.24×0.125×0.085=0.00255m3, Considering 10mm thick mortar.

So total number of bricks required for 6.9 m3 volume brick wall=6.9/0.00255=2706 No’s.

Volume of 2706 No’s bricks with out mortar =2706 x0.00198=5.35 m3

**Note: Volume of brick wall =Dry volume of bricks + volume of wet mortar**

Volume of wet mortar = Volume of brick wall -Dry volume of bricks=6.9 m3-5.35m3=1.55m3

**Note: Volume of dry mortar=1.33 x Volume of wet mortar**

Volume of dry mortar=1.33 x 1.55 m3=2.06 m3

#### Quantity and Cost of Cement

So Volume of dry mortar for 6.9 m3 brick wall =2.06 m3

Considering cement ,sand ratio in brick wall is 1:4,Density of cement =1440 kg/m3

Quantity of Cement =2.06 x 1×1440/(1+4) =593.28 kgs =11.86 bags =12 bags

Considering cost of 1 cement bag= Rs 350.

So cost of 12 bags =350 x 12 =Rs 4200

#### Quantity and cost of Sand

Quantity of sand =2.06 x 4×1920/(1+4)=3165 kgs, Considering density of sand =1920kg/m3

Considering cost of sand is Rs 1600/MT

Cost of sand =3.165 MT x 1600 =Rs 5064

#### Cost of bricks

So 6.9m3 brickwall,2706 Nos red bricks are required.

Considering rate of 1 brick is Rs 7 ,So cost of 2706 bricks =2706 x 7 =Rs 18942

So Total cost of brick work =Cost of Cement + Cost of Sand + Cost of Bricks

= Rs 4200 + Rs 5064 + 18942

=Rs 28206

Labour Cost

For 1m3 1 mason and 1 helper is required

Assuming Cost of 1 mason is Rs 800 and cost of 1 helper is Rs 500

So for 6.9 m3 of brick work, nearly 7 masons and 7 helpers are required.

So cost of Labour =7×800 + 7×500=Rs 9100

So total cost of brickwork including labour =28206 +9100 =Rs 37306

### Cost of 1 cum brickwork

So cost of 6.9 m3 brick work is Rs 37306

Cost of 1m3 brick work =37306/6.9= Rs 5407

Add 10% contractor profit to total cost = Rs 5407x 0.10=Rs 540.7

So Total cost of 1m3 brickwork =Rs 5407 +Rs 541 =Rs 5948

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