Civil Engineering - Estimating and Costing - Discussion
Discussion Forum : Estimating and Costing - Section 1 (Q.No. 22)
22.
For 12 mm thick cement plastering 1 : 6 on 100 sq.m new brick work, the quantity of cement required, is
Discussion:
43 comments Page 4 of 5.
Arjun said:
9 years ago
As per my solution, it's 33 percent extra why you are taking 30 percent?
Aaina said:
9 years ago
If it's 15mm thick then what is the answer?
Puja mandal said:
9 years ago
According to me, it is .012 * 100 = 1.2, dry wt = 1.54 * 1.2 = 1.848, 1.848 ÷ 7 = .264.
Brijesh vishwakarma said:
9 years ago
Volume of plaster = 0.012 * 100 = 1.2 m^3.
Add 60% for new wall depression & wastages volume of plaster = 1.2 + 1.2 * 60% = 1.92 cum.
Cement = 1.92 * 1/7 = 0.274 m^3.
Add 60% for new wall depression & wastages volume of plaster = 1.2 + 1.2 * 60% = 1.92 cum.
Cement = 1.92 * 1/7 = 0.274 m^3.
Adebola said:
9 years ago
I think answers may vary because one may decide to allow 10-20% for wastage& 30%-35% for shrinkage.
ABHIJIT MANDAL said:
10 years ago
Volume of plaster = 0.012*100 = 1.2 m^3.
Add 20% depression & wastages volume of plaster = 1.2+1.2*20% = 1.2+0.24 = 1.44.
Add 1/3 dry volume = 1.44+1.44*1/3 = 1.44+0.48 = 1.92 m^3.
Cement = 1.92*1/7 = 0.274 m^3.
Add 20% depression & wastages volume of plaster = 1.2+1.2*20% = 1.2+0.24 = 1.44.
Add 1/3 dry volume = 1.44+1.44*1/3 = 1.44+0.48 = 1.92 m^3.
Cement = 1.92*1/7 = 0.274 m^3.
Nivas said:
1 decade ago
Is is possible go around 55% volume extra for dry & wet mortar?
PIYUSH SINGH said:
1 decade ago
Volume of plaster = area * thickness = 0.012*100 = 1.2 cum.
Increase this by 30 % therefore = 1.2*1.3 = 1.56 cum.
For volume of dry mortar = 1.25*1.56 = 1.95 cum.
Now 1 part is of cement and 6 part is of sand so,
Cement = (1/7) *1.95= 0.2785 volume of cement.
Volume of one bag of cement = 0.035 cum.
So no of bags required = 8 bags.
Increase this by 30 % therefore = 1.2*1.3 = 1.56 cum.
For volume of dry mortar = 1.25*1.56 = 1.95 cum.
Now 1 part is of cement and 6 part is of sand so,
Cement = (1/7) *1.95= 0.2785 volume of cement.
Volume of one bag of cement = 0.035 cum.
So no of bags required = 8 bags.
Pritam said:
1 decade ago
How could you take, extra 30% morter?
Ajay saini said:
1 decade ago
You can take 30% for uniform wall and 25% for dry volume i.e. total 55% Now 10x10x0.012 = 1.2 hence (1.2/1+6)+(1.2/1+6)x55/100 = 0.2785.
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