Hello dear ,

**Good afternoon.**

How are you doing ?

If you want to refer to a similar example we posted in the previous year , please go to this link :

Hello dear ,

**Good afternoon.**

How are you doing ?

If you want to refer to a similar example we posted in the previous year , please go to this link :

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Dear Readers ,

Good evening to all .

**We heartily welcome the newly joined followers.**

Today let us work out the quantities for a RCC basement.

Here is the full question.

**Hello dear Friends ,**

Once again , another example of RE-BAR calculations using the excel sheet.

**You shall note that only first time we need lots of time in preparing the excel sheet.**

But once the sheet is ready , **you can change any of the parameters and obtain the result within fraction of a second.**

This is the beam kept in mind while preparing this excel sheet.

The calculations goes like this :

The calculations sheet looks like this :

You shall observe that each time , I conclude with the Cost in Rs /CuM and also in Rs. /CFT.

This kind of summarizing helps us in the subsequent estimating.

Hope you liked this example.

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**Exercise ;**

**There is a cylinder whose base diameter is 15 m. **

**The height of this cylinder is also 15 m.**

**We need to find out the following :**

**1.TOP AREA 2. BOTTOM AREA**

**3.PERIMETER AT THE TOP 4. SIDE SURFACE AREA**

**VOLUME OF THE CYLINDER**

**STEP 01 : LET US WRITE THE FORMULAE NEEDED :****TOP AREA = ╥ R2****BOTTOM AREA = ╥ R2****TOP PERIMETER = 2 ╥ R****SIDE SURFACE AREA =(2 ╥ R ) H****VOLUME = (╥ R2 ) H**

**WE ALREADY KNOW THE DATA :**

**DIAMETER ,D = 15 M ,****RADIUS , R = 7.5 M****HEIGHT , H = 15.0 M**

**STEP 02 : PUT THE VALUES :R = 7.5 M , H = 15.0 M****TOP AREA = ╥ R2 = 22/7 X 7.5 X 7.5 =176.785 SQM.****BOTTOM AREA :SAME AS TOP AREA****TOP PERIMETER = 2 ╥ R****= 2 X22/7 X7.5 = 47.142 M****SIDE SURFACE AREA = (2 ╥ R ) H****= 2 X 22/7 X7.5 X 15 = 707.142 SQM****VOLUME = (╥ R2 ) H****= 22/7 X 7.5 X 7.5 X 15 = 2651.785 CUM**

**SUMMARY :**

**1.TOP AREA : 176.785 SQM. **

**2. BOTTOM AREA :176.785 SQM.**

**3.PERIMETER AT THE TOP : 47.142 M**

**4. SIDE SURFACE AREA : 707.142 SQM**

**5. VOLUME OF THE CYLINDER: 2651.785 CUM**

Overview :

In construction industry , this term brass is used to **denote volume of the materials purchased and also the surface area of the floor or the wall** .Quite often , the new entrant to this field gets confused over the **exact use** of this term.

This article explains the** basic meaning of Brass and how is this used at site.**

**Meaning :**

Like a dozen means Twelve ( 12 nos ) , similarly the word brass means : One hundred ( 100 ).

Most important thing to remember is that this term is used only with the British /English system of measurements and is not used with Metric system.

**Usage types :**

**1. In context with surface area :**

When used in context of surface area , the word brass means** 100 Square foot.**

**Examples :**

**1.1. A slab measuring 15′ x 20 ‘ = 300 Sq.Ft .shall be said to be 300 / 100 = 3 Brass.**

When used in context of Volume , the word brass means** 100 Cubic foot.**

**Examples :**

**2.1. When an excavation of dimensions 25′ x 20 ‘ x 8 ‘ is carried out for a basement , it is said that an excavation of 25’ x 20 ‘ x 8 ‘ = 4000 Cubic Foot or 4000 / 100 = 40 Brass has been completed.**

**3.1 . If only Brass is said , it can either mean 100 square foot or 100 cubic foot. **

**3.2 If Brass is used in context of loose material like sand , murrum , aggregate or excavation or back filling with murrum , it shall mean 100 Cubic Foot.**

**3.3 If Brass is used in context of surface area like , flooring , slab , boulder soling , plastering , half brick thick wall , floor polishing or painting , it shall mean 100 Square foot.**

**3.4 If the units used are Square meter or Cubic meters , then the term brass is NOT TO BE USED.**

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