Is there any no deductions made?
No deductions is for the following:
1. Opening each upto 1000sq.cm or 0.1 sq.m [1sq.ft].
2. Ends of beams, posts, rafters, purlins, etc upto 500sq.cm or 0.05 sq.m( 72 sq in) in section.
3. Bed plate, wall plate , bearing of chajjas and the like upto 10cm (4") depth.
Bearings of floor and roof slabs are not to be deducted from wall masonry.
How to Calculate Volume of deduction for arch masonry work?
Volume of deduction for arch masonry work calculator uses Volume for deduction = Mean length of arch*Thickness of arch*Thickness wall to calculate the Volume for deduction, The Volume of deduction for arch masonry work formula is volume of masonry work in arches which is calculated in cubic metre separately by multiplying the mean length of the arch by the thickness of arch and by the breadth of the wall. Volume for deduction is denoted by V_{deduction} symbol.
How to calculate Volume of deduction for arch masonry work using this online calculator? To use this online calculator for Volume of deduction for arch masonry work, enter Mean length of arch (L_{m}), Thickness of arch (t_{arch}) & Thickness wall (t_{wall}) and hit the calculate button. Here is how the Volume of deduction for arch masonry work calculation can be explained with given input values -> 0.253 = 2.2*0.5*0.23.