Computer · Estimating and Costing
In the estimation of masonry work, what is the volume deduction for a lintel over an opening of clear span 'l', bearing 't' on each side, and built in a wall of thickness 'W'?
- 1(l + 2t) × thickness of lintel × W✓
- 2l × t × W
- 3(l + t) × thickness of lintel × W
- 4l × thickness of lintel × W
Correct answer
(l + 2t) × thickness of lintel × W
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