what"s the formula to find the quantity (consumption) of
cement,sand,aggregate for 1m3(1:2:4)?
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Answer Posted / bhupendra potpose
Consumption & Rate analysis RCC(Cement Concrete) 1:2:4
Providing and placing cement concrete excluding formwork &
reinforcement
1.475 Ref: Always use 1..475 standard
Proportion of materials
(1440 Kg / Cum ) Cement 1
(Dry 1600 Kg / Cum & Wet 1850 Kg /Cum ) Sand
2
(1650 Kg / Cum ) Metal 4
Total 7
Std constant(1.5) / Total of proporttion(7)
0.211
1) Required volume of cement for 1 cum
1 Proportion of cement 0.211
Add wastage 2.50% 0.005
Vol of cement for 1 cum 0.216
0.035 is cum qty of per 50kg of bags, no of bags
0.035 6.171
Cost of cement per bags 325
Total of -1, cost of bags 2005.5
2) Required volume of Sand for 1 cum
2 Proportionof Sand 0.421
Add wastage 2.50% 0.011
Vol of Sand for 1 cum 0.432
Cost of sand per Cum 2125
Total of -2, cost of sand 917.9
3) Required volume of Aggregate for 1 cum
3 Proportionof Metal 0.843
Add wastage 2.50% 0.021
Vol of Metal for 1 cum 0.864
Cost of Metal per cum 975
Total of -3, cost of metal 842.3
A- Total of (1+2+3), cost of Material (Concrete)
3765.8
4)Cost for Manpower ,Mixing ,Shifting & Machinary ,
0.35%
B-Total of -4, Cost of Labour per cum (35%)
13.2
C-Total of (A + B) cost of Material & Labour
3779.0
5) Add Over head if any 5% 188.95
6) Profit 15% 595.19
D- Total of (A+B+C)cost P/A 1:2:4 Concreting
4563.12
| Is This Answer Correct ? | 8 Yes | 4 No |
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