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Rebar Estimation Class: 17 (Slab on Grade) Part - 2

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  Slab Bolster & Slab Bolster Upper   Slab Bolster height = 2”   Length of Slab Bolster = 5+4 = 9’- 0”  Number of Slab Bolster = 200/9  = 22.22                                            = 23+1 = 24            No. of SB   =  150 -  (2 X ½ Spacing)                                          Spacing                             =  150  -   4                                       4                                            =  146 / 4                             =  36.5 + 1  = 38                         Total number of SB =  24 X 38                                   =  720 Nos.   Total linear feet = 720 X 5                            = 3600 L ft     Required = 720 Nos. 2” Height of SB (5’-0”) Length The total length of the Beam Bolster 3600’- 0” L ft         Individual high chair  ( I H C )            No. of IHC   =  200 -  (2 X ½ Spacing)                                          Spacing                             = 
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Rebar Estimation Class: 17 (Slab on Grade) Part - 2

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  Slab Bolster & Slab Bolster Upper   Slab Bolster height = 2”   Length of Slab Bolster = 5+4 = 9’- 0”  Number of Slab Bolster = 200/9  = 22.22                                            = 23+1 = 24            No. of SB   =  150 -  (2 X ½ Spacing)                                          Spacing                             =  150  -   4                                       4                                            =  146 / 4                             =  36.5 + 1  = 38                         Total number of SB =  24 X 38                                   =  720 Nos.   Total linear feet = 720 X 5                            = 3600 L ft     Required = 720 Nos. 2” Height of SB (5’-0”) Length The total length of the Beam Bolster 3600’- 0” L ft         Individual high chair  ( I H C )            No. of IHC   =  200 -  (2 X ½ Spacing)                                          Spacing                             = 
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Rebar Estimation Class: 15 (Grade Beam Part - 4)

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  Beam Bolster Type 1 Beam length = 400’-0” lft Cover           = 3” inches 2#6 Continuous Top & Bottom Beam Bolster Length = 5’-0” @ 48” O.C     BB = Total length of the beam / 9’-0”       = 400 / 9       = 44.44   (45+1 = 46)       = 46 x 2       = 92       Total number of BB X 5’-0”             = 92 X 5    = 460’-0”   Required = 92 Nos 3” Height of BB 5’-0” Length The total length of the Beam Bolster is 460’-0” lft         Beam Bolster Type 2 Beam length = 400’-0” lft and Beam width = 1’-0” Cover           = 3” inches 2#6 Continuous Top & Bottom #3 @ 12” O.C Stirrups Beam Bolster Length = 5’-0” @ 48” O.C     Beam bolster height  H = 3”+ 0.375”     = 0.25’ + 0.03125’     = 0.28’   H = 3-3/8”     BB = Beam length / 4’-0”       = 400 / 4  = 100  ~ 101     T.L BB    = no of BB X Beam width     = 101 X 1     = 101 ~ 102’-0”   The total length of bb / 5’ = 102 / 5 = 20.4 ~ 26 nos   Requir
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