In which method are the length and breadth of the masonry walls at plinth level taken for the
calculation of quantities?
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A.
Centre line method
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B.
Service unit method
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C.
Crossing method
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D.
Bay method
Correct Answer:
C. Crossing method
Explanation:
The Centre Line Method is used in building estimation to calculate the quantities of various items like excavation, foundation concrete, and masonry walls. In this approach, the total length of the center lines of all walls—including long and short walls—is determined. This total center line length is then multiplied by the respective breadth and height (or depth) of the specific item at the plinth or foundation level to find the total quantity. This method is generally faster and more accurate than other techniques, provided the cross-sections of the walls remain consistent throughout.
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