Estimating and Costing
The unit of measurement is per quintal for the following:

Expanded metal wire netting
Rolling shutters
Collapsible gates with rails
M.S. reinforcement of R.C.C. works

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Estimating and Costing
In the mid-section formula

The area of mid-sections is calculated by using mean depth
All of these
The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections
The mean depth is the average of depths of two consecutive sections

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