Correct Answer - Option 1 : square metre
Explanation:
As per IS 1200 (part 3), 1976, Cl No- 4, brick work is measured in the following way:
Type of Brick work/ Brick work size
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Measurement
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Wall thickness ≤ one brick thick
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It is measured in Square meter with stating thickness separately.
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One brick thick < Wall thickness ≤ 3 brick thick
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Multiples of half brick; Where fractions of half-brick occurs, it measures as follow:
Up to ¼th brick - actual measurement Exceeding ¼th brick- full half-brick.
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Wall thickness > three bricks
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Actual thickness shall be measured.
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