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In this method of estimation, the total center line length of walls in a building is first calculated, then the center line length is multiplied with the breadth and depth of the respective items to get the total quantity at a time.
You have to calculate the walls’ total centre line length of the same type, long and short, using similar foundations and footings. Now multiply this centerline length by width and height to calculate the quantities of the various work item.
11 sie 2023 · In this method of estimation, the total center line length of walls in a building is first calculated, then the center line length is multiplied with the breadth and depth of respective item to get the total quantity at a time.
Centre Line Method of Estimation. There’re two rooms. Determine concrete in base (foundation), brickwork in base (foundation), and earthwork in excavation. Every room dimension is 3.5 m and 4 m. The second room is same like the initial room. Complete wall is 0.30 m.
The center line method is a practical and effective technique for building estimation, particularly for linear structures. By establishing a center line and measuring distances from it, estimators can accurately determine quantities of walls, beams, columns, and other linear components.
After the calculation of these basic quantities, we can easily estimate the quantities for various items to be used like quantity of plaster, quantity of paint, quantity of damp proof course, etc, by using total centre line length and respective dimensions.
How to Calculate Estimate using Center Line Method. We have a plan of three rooms. Center to center length and breadth are required and utilized when calculating estimate of a room. In the plan, length = 5 m and breadth = 4.5 m. Also, three rooms are of same dimension. Thickness of wall = 0.3 m.
