Important Point

## What is Rate Analysis?

The basis of arriving at a correct and reasonable rate per unit. Work or Supply for a particular item following its specification and **detail survey** of **materials, labour, equipment,** etc. as required for the unit work and their prevailing rates may be called as an analysis of rate.

## How to Use Rate Analysis for Concrete Calculator

**Step – 1. Select Area**

First Enter your Rate analysis area in Cu.m. as per shown in the below picture.

**Step – 2. Concrete Ratio (Grade of Concrete)**

Enter your Concrete ratio as per shown in the below picture. (Cement and Sand ratio in Two cells Third cell count directly from sand*2 is Agreegate ratio of concrete)

### Step – 3. Fill Labour Charges

Enter your labour charges rate like Mason 1st, Mason 2nd, Bhisti, Coolie and Mate as per shown in the below picture. ( Mason 1st, Mason 2nd, Bhisti, Coolie and Mate in different cells)

### Step – 4. Fill Material Rate as Per Actual

Enter your material rate like cement, sand, and Aggregate as per shown in the below picture. ( Enter cement, sand, and Aggregate all are in different cells)

### Step – 5. Final Report of Rate Analysis for Concrete

After completing the above steps you can check your Rate Analysis for Concrete Report in the second tab of Rate Analysis for Concrete.

### Step – 6. Use Print Button for Print.

if you required to print your plastering work calculation you can use the print button option.

**Rate Analysis for Concrete Calculator**

## Material Calculation in **Rate Analysis of Concrete**

** Like Cement, sand, ****aggregate, ****and reinforcement**

### Cement Calculation

Dry Cement volume = 1.33 convert Wet cement.(The concrete mortar dry volume of concrete decrease volume of dry cement mortar, so 1.33 time of dry mortar)

So, Cement calculation requirement of cement = 1 x 1.33 = 1.33 cu.m,

Herer calculation concrete ratio 1:1.5:3

The required amount of Cement quantity at concrete = 1.33 Cu.m. x (1/(1+1.5+3))

= 1.33 x 0.1819

= 0.242 cu.m. cement requirement

Cement in k.g. = volume x density cement

Cement in k.g. = 0.242 cu.m. x 1440 (1440 kg/m Density of cement for 50 k.g)

= 0.242 x 1440 = 425.646 kg of cement of bag requied ment of cement in k.g.

= 348.48 / 50 (one cemnent bag weight 50 k.g. only) = 6.96 bag

So, 10 cu.m. concrete requirement of cement = 6.96 bag x 10 cu.m. = 69.64 bag

### Sand Calculation

- Required amount of Sand = 1.33 Cu.m. x (1.5/(1+1.5+3))
- =0.363 Cu.m. requierd of sand for 1 Cu.m.

- So,
- 10 cu.m. concrete requirement of sand = 0.363Cu.m x 10 cu.m. = 3.63 cu.m.

Also, rate: Instrumental Errors in Leveling | Type of Errors in Leveling

### Aggregate Calculation

- The required amount of Aggregate
- = 1.33 Cu.m. x (3/(1+1.5+3))
- =0.725 Cu.m. required of sand for 1 Cu.m.

- So,
- So, 10 cu.m. concrete requirement of sand = 0.725 Cu.m x 10 cu.m. = 7.25 cu.m.
- Two types of aggregate like 20 mm & 10 mm size. this ratio 60 % of total aggregate 20mm size, 40 % of total aggregate 20mm size
- 20 mm aggregate = 7.25 cu.m.

### Labour for **Rate Analysis of Concrete**

As per calculation of rate analysis in labour consumption per Cu.m. requirement as per our experience or** CPWD** book, this book public by **Central Public Works Department, Government of India** for easy calculation of the rate analysis, etc.

As **CPWD** Mate per cu.m. 0.27 of day bhisti, per cu.m 0.6 of day coolie, per cu.m. 0.05-day Mason -2nd, per cu.m. 0.05-day mason 1st, per cu.m. 0.04-day mate

### Extra Work Calculation in Rate Analysis of concrete

Extra Changes in rate analysis as per below

Wastage Extra 2%

Hire and Running Charges of Mech Mixer 5%

Transportation Cost 1%

Other Charges 2 % Extra (Electrical, and site extra expense)

Add for Water Charge @ 1% on Items Marked

Add for Contractor’s Profit @15% on Items Marked

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