1) what do you mean by rolling margin of steel ?
2)pls. tell the cut length formula of stirrups as per IS
codes(take out cut length for a beam of 600*300mm with 40mm
cover all sides)?
3)what is the multiplying factor of painting for sand faced
plaster?
4)if your footing is of size1.9*1.6m . what quantity of
length and width you will excavate means what extra
margins you will allow as per IS codes in billing?
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Answer Posted / sahilshah.civil@gmail.com
a) Rolling margin is percentage difference between actual weight vs standard weight of steel have same length. - generally vary 2-3%
b)Cut length of stirrups L = 2 X (600-80+300-80) + 15 X 8 = 1600 mm
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