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How to begin marking for foundation

The blueprint of the building comprises living room and kitchen. This is the center line marking of building which displays six numbers of columns.

Now, a base point is fixed, which is highly essential for marking. From that base point a base line is placed by means of thread.

The second point is set. Then, the second point is fixed by means of thread. With this, we will be capable to see the base line which is highly essential for a building part.

From the point 1, we will mark for 4 feet. A peg is fixed at the point of 4 feet. The modified point from the peg which is set from 4 feet and an arc is formed and marked for 5 feet.

Then, the point has been changed. For calculation of 3 feet, an arc is marked. At that intersection point, a peg is fixed.

From the point 1 through the arc, a thread is fixed. Through the arced point, a thread is placed for an estimated distance, 3rd point is fixed. Then, it forms an L shape. Then, the arc points are removed.

From the point 1, a tape is fixed. For the calculation of 10 feet, a peg is fixed. Then, for the next 10 feet, another peg is placed, so which wholly includes of 20 feet.

Then, again from the first point, tape is fixed and it is calculated for 12 feet. From the 12 feet point, the tape is fixed. For the distance of 20 feet, point is marked and a peg is fixed.

Then, the tape is yet again tilted and the point is fixed and the whole calculation displays about 32 feet. Then, all the pegs are connected with the thread. Then, at the 12 feet point, the tape is fixed. For a distance of 10 feet, a peg is fixed. As per the plan, the footing size pattern is made. Then, the pattern is fixed and the width point of the footing and the footing is marked utilizing marking powder.

The same practice is repeated for all the columns. All the 6 columns are marked. Similarly, all the footing is marked as displayed in the plan. The pattern is placed in the middle.

Similarly, all the columns are marked. The pattern is located at the middle point of the footing and then marked.

To view the complete process, watch the following construction video.

Lecturer: Mohan A