# 1 Best Way to calculate Footing Bar Bending Schedule (BBS) & Steel Quantity in Footing

## Calculate Footing Bar Bending Schedule (BBS) & Steel Quantity in Footing

To learn Bar Bending Schedule (BBS) of Footing just follow the rules

Given,

Footing Length  = 2000 mm

Footing Width   = 1500 mm

Thickness                  = 300 mm

Diameter of all bar  = 12 mm

Spacing both sides = 150 mm

Clear cover                = 50 mm

No. of Bar              = Total length of bar / Spacing +1

No. of main Bars  = Width of footing / Spacing +1

=  1500 / 150+1 = 11 nos.

No. of Bar              = Total length/Spacing +1

No. of Distribution  Bars =  Length/Spacing +1

=  2000/150+1 = 14 nos.

Cutting Length of Main Bar =( Total length – 2 x Cover) + 2 ( Thickness – 2 x cover)- 2 x bend deduction

= (2000-2 x 50)+2(300-2 x 50)-2 x 2 d

= (2000-100) + 2( 300-100) – 2 x 2 x 12

= 1900 + 400- 48

= 2300-48 =2252 mm (or convert in meter)

= 2.252 m

For 11 nos. of bar = 11 x 2.252

= 24.772 meter.

Cutting Length of Distribution  Bar =( Total length – 2 x Cover) + 2 ( Thickness – 2 x cover)- 2 x bend deduction = (1500-2 x 50)+2(300-2 x 50)-2 x 2 d

= (1500-100) + 2 ( 300-100) – (2 x 2 x 12)

= 1400 + 400- 48

= 1800-48 = 1752 mm or convert in meter

= 1.752 m

For 14 no of bar = 14 x 1.752

= 24.528 meter.

Total Length of Bars = Main bar Length + Distribution Bar Length

= 24.772 + 24.528 = 49.30 meter.

Total weight of Steel = Diameter x Diameter

= 162 x L

=    12 x 12

=   162 x 49.30

=   43.877 Kg.

 Bar Shape of Bar No. of Bar Length of Bar Total Length of Bar (m) Weight of 1 m length (kg) Total Weight of Bar in Kg Longer Side  11 2.252 24.772 0.89 22.05 Shorter Side  14 1.752 24.528 0.89 21.82 Total 43.87

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Hope this article will be useful for all of you Civil Engineers , Thanks for your great attention

Good Bye & take care

Happy Learning 😆

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BAR BENDING SCHEDULE OF COLUMN BBS

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