Answer Posted / muhammad qasim

When given question ft? then we use this formula

No of bars x total length x (suter)^2 / 24
then all answer divide to 2.204 it will give kg.s

example

room size 10 x 12
Step 1
total distance divided by .75 then + 1 (.75 is c/c distance)
it gives 14.333 say 15 No (same step as second dimension)
Step 2
(15 x 10 x (4)^2/24) then divide 2.204 = 45.37 kgs
where
4 mean 0.5 inch dia

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