For which of the following no deductions are made?
No deductions are made for the following-
1. Opening each up to 1000sq.cm or 0.1 sq.m [1sq.ft].
2. Ends of beams, posts, rafters, purlins, etc. up to 500sq.cm or 0.05 sq.m( 72 sq in) in section.
3. Bedplate, wall plate, bearing of chajjas and the like up to 10cm (4") depth.
Bearings of floor and roof slabs are not to be deducted from wall masonry.
How to Calculate Volume of Deduction for Rectangular Opening?
Volume of Deduction for Rectangular Opening calculator uses Volume for Deduction = Length of Rectangular Opening*Height of Rectangular Opening*Thickness Wall to calculate the Volume for Deduction, The Volume of Deduction for Rectangular Opening formula is defined as the volume of masonry/brickwork for a rectangular opening which needs to be deducted from the actual volume of masonry while providing doors, windows, and lintels (of rectangular shape). Volume for Deduction is denoted by Vdeduction symbol.
How to calculate Volume of Deduction for Rectangular Opening using this online calculator? To use this online calculator for Volume of Deduction for Rectangular Opening, enter Length of Rectangular Opening (Lopening), Height of Rectangular Opening (hopening) & Thickness Wall (twall) and hit the calculate button. Here is how the Volume of Deduction for Rectangular Opening calculation can be explained with given input values -> 1.242 = 2*2.7*0.23.