The document provides steps to calculate quantities of work items like PCC, UCR, and brick work from a building plan. It first calculates the center line length of the walls as 21.2 meters by adding the individual lengths. It then multiplies this length by the width and depth/height of each work item to find the quantities in cubic meters, listing them in a measurement sheet.

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SESSION: 05 CENTRE LINE METHOD

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Example:
Find out quantities of following items of work
i. PCC ii. UCR work iii. Brick Work
Step 1:
Calculate the centre line length of the wall, and then multiply it with the breadth and depth of
the wall to find out quantity.
= 7.3 x 2 + 3.3 x 2 = 14.6 + 6.6 m = 21.2 m
7m x 3m
FLOOR PLAN 0.9m
1.2m
Measurement sheet:
Sr.no.
Work description Unit No’s Length Width Height/
Depth
Quantity Total
Quantity
i. PCC Work (B-1.2m)
M3 1 21.2 1.2 0.2 5.088
ii. UCR work (B-0.9m)
M3 1 21.2 0.9 0.5 9.54
iii. Brick Work (B-0.3m)
M3 1 21.2 0.3 2.75 17.49
7.3 m
7.3 m
3.3 m 3.3 m
2.75m
0.5m
0.2m
0.3m

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