Double roombuilding estimation can be calculated by estimating earthwork in excavation,foundation concrete,plinth beam,1st class brickwork, cement concrete quantity.
Double room building estimation specifications, drawings
The following are the double room building estimation specifications
In foundation cement concrete M25 is utilised.
CRS wall is utilised in the foundation for the base of the brick wall.
Plinth beam 400 mm x 600mm is utilised in cement concrete M25
Dampproof course 25mm thick is applied.
In superstructure 1st class brickwork in 1:4 cement mortar and thickness 300mm is utilised.
Note: This building estimation is only limited up to brick walls quantity in the superstructure.Length of the long wall from centre to centre =4 m + 6 m + 0.3 m+0.5×0.3 m +0.5×0.3 m=10.6 mlength of short walls from centre to centre = 6 m +0.5×0.3 m +0.5×0.3 m=6.3 m
1.Excavated earth quantity in foundation
Longwall length of excavated earth in foundation can be calculated by =10.6 m +0.5 x 1.1 m +0.5×1.1 m=11.7 mShort wall length of excavated earth in foundation can be calculated by =6.3 m -0.5×1.1 m-0.5×1.1 m=5.2 m
S.No
Description of work
No
Length(m)
Breadth(m)
Depth/Height
Quantity
1
Excavated earth quantity in foundation
Long wall quantity
2
11.7 m
1.10 m
1 m
25.74 cum
Short wall quantity
3
5.2 m
1.10 m
1 m
17.16 cum
Total quantity
42.9 cum
Double room Earth work quantity estimation sheet
2.Cement concrete quantity in foundation
Longwall length of cement concrete earth in foundation can be calculated by =10.6 m +0.5 x 1.1 m +0.5×1.1 m=11.7 mShort wall length of cement concrete in foundation can be calculated by =6.3 m -0.5×1.1 m-0.5×1.1 m=5.2 m
S.No
Description of work
No
Length(m)
Breadth(m)
Depth/Height
Quantity
2
Cement concrete quantity in foundation
Long wall quantity
2
11.7 m
1.10 m
0.3 m
7.72 cum
Short wall quantity
3
5.2 m
1.10 m
0.3 m
5.15 cum
Total quantity
12.87 cum
Double room Cement concrete quantity in foundation estimation sheet
3.CRS wall quantity in foundation
Long wall length of CRS wall in foundation
In 1st footing can be calculated by =10.6 m +0.5 x 0.8 m +0.5 x 0.8 m=11.4 mIn 2nd footing can be calculated by =10.6 m +0.5 x 0.7 m +0.5 x 0.7 m=11.3 mIn 3rd footing can be calculated by =10.6 m +0.5 x 0.6 m +0.5 x 0.6 m=11.2 mIn 4th footing can be calculated by =10.6 m +0.5 x 0.5 m +0.5 x 0.5 m=11.1 m
Short wall length of CRS wall in foundation
In 1st footing can be calculated by =6.3 m -0.5 x 0.8 m -0.5 x 0.8 m=5.5 mIn 2nd footing can be calculated by =6.3 m -0.5 x 0.7 m -0.5 x 0.7 m=5.6 mIn 3rd footing can be calculated by =6.3 m -0.5 x 0.6 m -0.5 x 0.6 m=5.7 mIn 4th footing can be calculated by =6.3 m -0.5 x 0.5 m -0.5 x 0.5 m=5.8 m
S.No
Description of work
No
Length(m)
Breadth(m)
Depth/Height
Quantity
3
CRS wall quantity in foundation
Long wall quantity
1st footing quantity
2
11.4 m
0.8 m
0.2 m
3.65 cum
2nd footing quantity
2
11.3 m
0.7 m
0.1 m
1.58 cum
3rd footing quantity
2
11.2 m
0.6 m
0.1 m
1.34 cum
4th footing quantity
2
11.1 m
0.5 m
0.1 m
1.11 cum
Short wall quantity
1st footing quantity
3
5.5 m
0.8 m
0.2 m
2.64 cum
2nd footing quantity
3
5.6 m
0.7 m
0.1 m
1.18 cum
3rd footing quantity
3
5.7 m
0.6 m
0.1 m
1.03 cum
4th footing quantity
3
5.8 m
0.5 m
0.1 m
0.87 cum
Total quantity
13.4 cum
Double room CRS wall quantity in foundation estimation sheet
4.Dampproof course quantity
25 mm thick damp proof course is laid and considered in building estimation.Longwall length for damp proof course can be calculated by =10.6 m +0.4 x 0.5 m +0.4×0.5 m=11 mShort wall length for damp proof course can be calculated by =6.3 m -0.5×0.4 m-0.5×0.4 m=5.9 m
Longwall length of plinth beam can be calculated by =10.6 m +0.4 x 0.5 m +0.4 x 0.5 m=11 mShort wall length of plinth beam can be calculated by =6.3 m -0.5 x 0.4 m-0.5 x 0.4 m=5.9 m
S.No
Description of work
No
Length(m)
Breadth(m)
Depth/Height
Quantity
5
Plinth beam quantity
Long wall quantity
2
11.0 m
0.4 m
0.8 m
7.04 cum
Short wall quantity
3
5.9 m
0.4 m
0.8 m
5.66 cum
Total quantity
12.7 cum
Double room Plinth beam quantity estimation sheet
6.1st class brick work quantity in superstructure
1st class brick work is laid in 1:4 cement mortar with 300 mm thick in building estimation is used.Center to center Long-wall length of brick wall can be calculated by =10.6 m +0.3 x 0.5 m +0.3 x 0.5 m=10.9 mCenter to center Short wall length of plinth beam can be calculated by =6.3 m -0.3 x 0.4 m-0.3 x 0.4 m=6 m
S.No
Description of work
No
Length(m)
Breadth(m)
Depth/Height
Quantity
6
1st class brick work quantity in super structure
Long wall quantity
2
10.9 m
0.3 m
4.2 m
27.42 cum
Short wall quantity
3
6 m
0.3 m
4.2 m
22.68 cum
Deductions
Door openings quantity
2
1.2 m
0.3 m
2.1 m
1.51 cum
window openings quantity
4
1 m
0.3 m
1.5 m
1.80 cum
Shelves quantity
2
1 m
0.2 m
1.5 m
0.6 cum
Lintels over doors quantity
2
1.5 m
0.3 m
0.15 m
0.14 cum
Lintels over windows quantity
4
1.3 m
0.3 m
0.15 m
0.23 cum
Lintels over shelves quantity
2
1.3 m
0.3 m
0.15 m
0.12 cum
Total quantity
45.75 cum
Double room Brick work quantity estimation sheet
Conclusion
So from the above 6 steps double room building estimation up to brick wall in superstructure can be done easily.Also Read more topics :
Ashwini Kumar is a graduate in civil engineering from NIT Warangal. He has 8+ years of experience in the construction field.
He is the author, founder of the Easy Home Builds blog
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