Building Estimate | Building Estimate Format In Excel | Estimation and Costing of Building | Estimation of a Building with Plan pdf | Detailed Estimate of a Residential Building

Building Estimate

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Building Estimate is processed of predicting the probable cost of the project by calculating material quantity and their cost with help of market rates before undertaking any construction project.

Here, In this article, we will learn about how to do an Estimation of A Building With a Plan.

Detailed Estimation of Building with Plan pdf

The following steps are to be followed to do an estimation of the building with a plan,

Data Required Preparing Estimate

• Plan, Elevation & section.
• Schedule the opening of doors and windows.
• Foundation drawing.
• Column & Beam drawings.

Estimation of Building

The following is the estimation and costing of building sample pdf

1. Interpretation of Drawing

Estimation of a Building with Plan

Before you directly start calculating quantity, you must precisely and correctly read the construction drawing.

• Check the dimension of each block is provided or not.
• The check Schedule of the opening is there.
• Check the specification of work.
• Check if the thickness of the wall is the same or changes.
• Check the Rise and tread dimensions of the stair.
• Check the type of foundation and its details drawing.

2. Prepare Estimation Sheet

Following is a sample sheet for preparing the estimate.

While taking length, width, and depth/ height dimensions remember that not all dimensions are given in the drawing. Some dimensions you need to calculate from drawing also.

3. Calculating Quantity

For example, the first quantity of the estimation sheet is an excavation in the foundation. To find out the dimension of length, width, and depth of excavation from drawing.

Estimation of a Building with Plan pdf

Keep in Mind

• Excavation depth is calculated from ground level to the bottom of PCC work.
• The size of the trench is larger than the size of the footing to provide ease for workers.

Here, the size of the footing is 1 m x 1 m. So, consider 0.25 m extra margins on both sides of the trench.

Length will be = 0.25 + 1 + 0.25 = 1.5 m, and Size becomes 1.5 m x 1.5 m. Depth is given 1.5 m from ground level.

Now, find the number of Footing in the building = 12 nos. Putting all values in the Estimation sheet multiple with each other will give you the quantity of excavation.

In a similar way, you can calculate other quantities like PCC, Footing Concrete; Earth filling, Plinth beam concrete, DPC, Brick Work in Superstructure, RCC Slab Concrete, etc.

Read More: Steel Quantity Calculation Excel Sheet

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FAQs:

Building Estimation and Costing

Building estimation is determining the probable cost of buildings before the construction proceeds, in order to achieve success in the project. Building Estimation is also beneficial for passing tenders.

How do you estimate a building?

Excel Sheets, Online Valuation tools, Â FHFAÂ HouseÂ Price Index Calculator, hiring experts, etc are some of the Estimation Tools. However, if you want the do it manually, it is necessary to simplify the whole estimation method into small parts and begin from foundation.

How do I calculate building quantities?

Building Quantities can be calculated by choosing one of the following methods,
1. Center Line Method
2. Crossing method
3. Out to out and in to in a method
4. Bay method
5. Service unit method

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