Staircase Bar Bending Schedule Reinforcement Details.

Today's topic is for civil engineers and those who are new.Those who can't figure out the amount of rod in the stairwell. Let's start without talking. How to Calculation Stairs Reinforcement. Stair full Estimate. Stair Rod Estimate. Civilengineering65.Stair BBS. 

                   Important Note

‌12 mm Dia Main St bar 5" c/c

‌10 mm Dia Binder 6" c/c

‌Extra Top - 10 mm Dia 5" c/c

‌Extra Bottom - 10 mm Dia 5" c/c

‌Extra Bottom Binder 10 mm Dia 5" c/c

‌Lobby = 4'-6"

‌Bed = 9'-6

‌Landing = 3'-8"

So lets see Stair Reinforcement calculation  Formula Apply.

• ‌12 mm Dia Main St bar 5" c/c

= 3'-4"÷. 42"  (3'-8"-- Clear Cover side 2x2= 4")
= 8+1 = 9 Nos (+1Exrtra)
= 9 Nos x 17'-6" = (157.5 Rft x 0.2706)

= (42.63kg x 2) = 85.2631 kg

• ‌10 mm Dia Binder 6" c/c

= 17'-6"÷.50" = 35+1 Nos (+1Exrtra)
= 36 Nos x 3'-4" = (119.88 Rft x 0.1806)       

=(21.57kg x 2) = 43.1568 kg

• ‌Extra Top - 10 mm Dia 5" c/c

= 4'-0"÷.42" = 8+1 Nos (+1Exrtra)
= 9 Nos x 3'-8" = (33.05 Rft x 0.18)      
=(5.95kg x 2) = 11.89 kg

• ‌Extra Bottom Binder 10 mm Dia 5" c/c

= 3'-4"÷.42" = 8+1 Nos (+1Exrtra)
= 9 Nos x (2'-6" + 4'-2")= (60.03 Rft x 0.18)      
= (10.805 x 2) = 21.17 kg

• ‌Extra Bottom Binder 10 mm Dia 5" c/c

= (3'-8"+2'-6") ÷. 50 = 13+1 Nos (+1Exrtra)
= 14 Nos x 3'-4" = (46.62 Rft x 0.1806)

= (8.3916kg x 2) = 16.78 kg

• ‌Landing Reinforcement Long Direction

Lenth 7'-10" @10 mm Dia Rod 4" c/c
= 3'-8" ÷. 42 = 9+1 = 10 Nos
=10 Nos x 7'-6" = 75 Rft x 0.18= 13.5kg
( clear cover lenth - 2x2= 4 ")

• ‌Landing Reinforcement Short Direction

Lenth 3'-8" @10 mm Dia Rod 6" c/c
= 7'-6" ÷.50 = 15+1 Nos
= 16 Nos x 3'-8" = 58.72 Rft x 0.18= 10.459kg
( clear cover lenth - 2x2= 4 ")

Total Nubers of Bars Calculation Estimated Weight = 202.11 kg