In computing the volume of a brick masonry wall, which of the following is DEDUCTED from the gross wall volume?
Choose the correct answer
Mortar joints (already included in brick dimensions per IS)
Volume of openings (doors, windows, vents), lintels, and beams embedded in the wall
Weight of bricks
Cost of scaffolding
Correct Answer
B. Volume of openings (doors, windows, vents), lintels, and beams embedded in the wall
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Brick masonry quantity computation: gross volume = L x H x t. Deductions: all openings (doors, windows, ventilators); lintels, beams, columns, RCC bands embedded in the wall. No deduction for: wall plates, bearing of beams < 0.1 m2. Mortar joint thickness is already incorporated in brick unit dimensions for standard bond.
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