Today we are going to discuss the rate analysis of concrete along with an example calculation for M25 Concrete. Before that, you must understand the steps involved in rate analysis. We have already discussed the rate analysis basics.
To get almost nearby accurate rate analysis, you have to consider the following things,
Assume We need 1 m3 of wet volume concrete of M25 Mix, (Mix Ratio, M25 = 1: 1 : 2)
So Total Parts = 1+1+2 = 4 Parts which gives Dry volume that means before adding water content
Volume of concrete = (1 Cement Part)/4 + (1 Sand Part)/4 + (2 Coarse Aggregate Part)/4
Therefore,
The reason for that 1.55 has been already discussed in the concrete ingredients calculation topic.
So the required
We have estimated the material requirement.
As per our Labour Output Thumb Rule estimation. We assume that we need approx manpower in terms of days as below
We had covered the crucial task and we shall add a certain percentage for water, power consumption, etc.,
PARTICULARS | UNIT | QTY | RATE | AMOUNT |
1:1:2 (1 Cement: 1 coarse sand: 2 graded stone aggregate of 20mm nominal size) including curing | ||||
Details of the cost of 1m3 of M25 concrete | ||||
Materials | ||||
Cement | Bags | 11.16 | 350 | 3906 |
Sand | m3 | 0.3875 | 1800 | 697.5 |
Coarse Aggregate | m3 | 0.775 | 1500 | 1162.5 |
Manpower | ||||
Foreman | Each | 0.05 | 800 | 40 |
Mason | Each | 0.3 | 700 | 210 |
Male Mazdoor | Each | 1 | 500 | 250 |
Female Mazdoor | Each | 1 | 400 | 200 |
Waterman | Each | 0.2 | 400 | 80 |
Subtotal | 6546 | |||
Tools & Tackles | 1% | 65.46 | ||
Power Consumption | 2% | 130.92 | ||
Add for sundries & contingencies | 3% | 196.38 | ||
Add for overhead & contractor profit | 15% | 981.9 | ||
Rate per Cu.metre | 7921 |
Hope you’ve learned something new today. Happy Learning 🙂
Before starting any civil engineering work, regardless of branches, horizontal, vertical, and angular measurements of…
The data measurements gathered from surveying helps establish the plan and design of all civil…
Surveying is the art and science of civil engineering that determines the relative (comparable) position…
The formation of cracks on the concrete surface may lead to reduce the durability of…
Understanding the different levels of structure seems a bit of a daunting task. Don’t worry…
We knew that pipes are used to transport gas or liquid substance from one place…
View Comments
Thanks for the importance information.