# Estimate - Concrete Floor Area

May 20th, 2015
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First floor area = 86 sq. m Second floor area = 86 sq. m Total = 172 sq. m

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Estimateby GNoveras | studymode.comEstimationConcreteFloor AreaFirst floor area = 86 sq. mSecond floor area = 86 sq. mTotal = 172 sq. mColumn FootingSolve for volumeV = l x w x hV = 0.8m x 0.8m x 0.30mV = 2.112 cu.mUsing 40 kg cement class BCement| 2.112 x 7.5| 15.84 say 16 bags|Sand| 2.112 x 0.5| 1.056 cu.m|Gravel| 2.112 x 1.0| 2.112 cu.m|ColumnNo. of column = 11(1st floor) + 10(2nd floor) = 21Solve for volumeV = sectional area x height x no. of columnV = [(0.15 x 0.26) x 4.5 x 11] + [(0.15 x 0.26) x 3.0 x 10]V = 3.10 cu.mUsing 40 kg cement class BCement| 3.10 x 7.5| 23.25 say 24 bags|Sand| 3.10 x 0.5| 6.20 cu.m|Gravel| 3.10 x 1.0| 3.10 cu.m|Concrete Floor Slab (1st floor)Solve for volumeV = area of 1st floor x thickness of flooringV = (86 sq. m 3 sq. m) x 0.50m where 3 sq. m area occupied by stairsV = 41.50 cu.mConcrete Floor Slab (2nd floor) Solve for volumeV = area of 2nd floor x thickness of flooringV = (86 sq. m 3 sq. m) x 0.10mV = 8.3 cu.mTotal volume = (41.50 + 8.3) = 49.8 cu.mUsing 40 kg cement class C concreteCement| 49.8 x 6.0| 298.8 say 299 bags|Sand| 49.8 x 0.5| 24.9 cu.m|Gravel| 49.8 x 1.0| 49.8 cu.m|Beam(By linear method)Solve for total length of beamTotal length of the beams = 117.5 mUsing 40 kg class B concreteCement| 117.5 x 1.2| 141 bags|Sand| 117.5 x 1.2| 141 cu.m|Gravel| 117.5 x 1.2| 141 cu.m|No. of CHB for wallFor exterior wall|| Location| Size|Door| Rear: back door| 2.1

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