ISOLATED FOOTINGMANHOUR DERIVATION

LENGTH ( m ) WIDTH ( m ) THICKNESS ( m ) DEPTH FROM NGL Footing 1.5 1.5 0.525 1.525 pedestal 0.4 0.4 1.000

Volume of Concrete 1.34 m3

NGL

1000mm 400mm 1500mm

525mm

1500mm

1500mm

OPTION 1 - MANUAL

Item Qty Unit Unit Mhr Total Mhr REMARKS

excavation 6.73 m3 8.00 53.80 Manual backfill 5.38 m3 1.89 10.18 Manual disposal 1.34 m3 0.06 0.08 lean concrete 0.11 m3 5.50 0.62 pedestal concrete 0.16 m3 12.00 1.92 Bagger mixedfooting concrete 1.18 m3 12.00 14.18 Bagger mixedrebars 110.00 kgs 0.07 7.70 Manual Cut & bendforms 4.75 m2 3.30 15.68 Wooden formsTotal 104.16 mhrs

Average Mhr / 77.66 mhrs / m3 Volume of Concrete

OPTION 2 - MECHANIZED

Item Qty Unit Unit Mhr Total Mhr REMARKS

excavation 6.73 m3 0.16 1.08 Mechanizedbackfill 5.38 m3 0.46 2.48 Mechanizeddisposal 1.34 m3 0.06 0.08 lean concrete 0.11 m3 5.50 0.62 pedestal concrete 0.16 m3 4.10 0.66 Batch Plant / transit mixedconcrete 1.18 m3 4.10 4.84 Batch Plant / transit mixedrebars 110.00 kgs 0.06 6.60 Machine Cut & Bendforms 4.75 m2 2.70 12.83 Steel forms / Pre fabTotal 29.19 mhrs

Average Mhr / 21.76 mhrs / m3 Volume of Concrete

Sheet1