Bulk excavation - largeBulk excavation with no obstructionsBack excavator - I.e. CAT 350 with 2m3 bucket- I.e. PC400 with 2m3 bucketCoefficientsMaterial - Medium to dense sandDig factor1.2Slew factor - load into tipperSlew factor1.4Bucket fill factor for sandBucket factor0.8Bulking of material - Medium SandBulking factor0.7Basic cycle based on optimum productionOptimumFactoredDig56secSlew full45.6secdump55secSlew empty45.6secTotal cycle1822.2secHoursly200162cyl/hrBucket size21.6m3Work efficiency0.80.8(Dubai FU factor)Machine output320208m3/hrThis output refers to compacted, undisturbed materialHence adding on for bulking of excavated materialRate of excavation of undisturbed material145m3/hrThe transport of excavated material is the distubed volumeSize of trucks to use will be18m3No. of loads possible12load/hourRound trip distance will be2,000mAverage travel speed on site25km/hrTravel time288secStop & set for load10secLoading time250secReverse & tip90secTotal time638secEfficiency Rating0.8797secNo. of trips per hour4.52Trip/hrNo. of truck per excavator3TrucksSummary: 1 No. Excavator with a bucket2m3Will excavate undisturbed145m3/hrwith a bulked volume of208m3/hrTruck required to transport3No.Tranported per trip12.6m3Size of tipper used18m3Travel distance to tip area1,000m

Bulk excavation - MedBulk excavation with no obstructionsBack excavator - i.e. Hitachi EX200 (135HP) with 0.75m3 bucketCoefficientsMaterial - Medium to dense sandDig factor1.1Slew factor - load into tipperSlew factor1.4Bucket fill factor for sandBucket factor0.9Bulking of material - Medium SandBulking factor0.75Basic cycle based on optimum productionOptimumFactoredDig66.6secSlew full811.2secdump33secSlew empty68.4secTotal cycle2329.2secHoursly157123cyl/hrBucket load0.750.675m3Work efficiency (Dubai)0.80.8Machine output9467m3/hrThis output refers to compacted, undisturbed materialHence adding on for bulking of excavated materialRate of excavation of undisturbed material50m3/hrThe transport of excavated material is the distubed volumeSize of trucks to use will be12m3No. of loads possible6load/hourRound trip distance will be2000mAverage travel speed on site20km/hrTravel time360secStop & set for load5secLoading time519secReverse & tip90secTotal time974secEfficiency Rating0.81218secNo. of trips per hour2.96Trip/hrNo. of truck per excavator2TrucksSummary: 1 No. Excavator with a bucket0.75m3Will excavate undisturbed50m3/hrwith a bulked volume of67m3/hrTruck required to transport2No.Size of tipper trucks12m3Travel distance to tip area1000m

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Excavation round obstructionsExcavation round obstructionsConsider a JCB 3C working round pile capsCoefficientsLots of moving and travel required & re-settingActivity factor0.5Material - Medium to dense sandDig factor1.1Slew factor - load into tipperSlew factor1.7Bucket fill factor for sandBucket factor0.6Bulking of material - Medium SandBulking factor0.89Basic cycle based on optimum productionOptimumFactoredDig33.3secSlew full46.8secdump1.51.5secSlew empty46.8secTotal cycle12.518.4secHoursly288196cyl/hrBucket size0.60.36m3Work efficiency (Dubai)0.80.8Activity factor0.50.5Machine output13828m3/hrThis output refers to compacted, undisturbed materialHence adding on for bulking of excavated materialRate of excavation of undisturbed material25m3/hrThe transport of excavated material is the distubed volumeSize of trucks to use will be14m3No. of loads possible2load/hourRound trip distance will be1000mTravel speed on site20km/hrTravel time180secStop & set for load5secLoading time716secReverse & tip90secTotal time991secEfficiency Rating0.81238secNo. of trips per hour2.91Trip/hrNo. of truck per excavator1TrucksSummary: 1 No. Excavator with a bucket0.6m3Will excavate undisturbed25m3/hrwith a bulked volume of28m3/hrTruck required to transport1No.Size of tipper trucks14m3Travel distance to tip area500m

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Loading from stock pileLoading from stock pileConsider a CAT 966, no obstructions, loadingsand from a stock pile onto tipper trucksCoefficientsNo obstructions, easy movmentActivity factor1.1Material - Medium to dense sandDig factor1.4Manouver by180Move factor1.5Bucket fill factor for sandBucket factor0.9Bulking of material - Medium SandBulking factor from stock pile vol0.8Basic cycle based on optimum productionOptimumFactoredDig68.4secSlew full57.5secdump22secSlew empty57.5secTotal cycle1825.4secHoursly200142cyl/hrBucket size2.52.25m3Work efficiency (Dubai)0.80.8Activity factor1.11.1Machine output400281m3/hrThis output refers to compacted, undisturbed materialHence adding on for bulking of excavated materialRate of excavation of undisturbed material225m3/hrThe transport of excavated material is the distubed volumeSize of trucks to use will be18m318No. of truck loads per machine16load/hourRound trip distance will be2,000mTravel speed on site30km/hrTravel time240secStop & set for load30secLoading time203secReverse & tip90secTotal time563secEfficiency Rating0.8704secNo. of trips per hour5.11Trip/hrNo. of truck per excavator3.05TrucksSummary: Front Excavator with a bucket2.5m3Will excavate from stock pile225m3/hrwith a bulked volume of281m3/hrTruck required to transport3No.Size of tipper trucks18m3Travel distance to tip area1,000m

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Dozer Rip Sandstone - medium dense cemented stoneDozer used to rip and push to stock pilemedium material - UCS 0.5 to 5.0D8 -800m3 / dayshiftD9 -1000m3 / dayshiftDozer productivityD8 DozerFrom CAT Manual Page 1-56Density of soil1,900Kg/m3Dozing distance30mFrom page 1-53Target Production600Lm3/hrOperator factor0.7Material condition1Visibility1Heat factor0.8Job efficiency0.8Dubai FU Factor0.7Production188.16Lm3/hr

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Compaction - smallCompaction of small areasUsing a Bomag 65 double vibrating rollerCompactino of formation to foot pathMass of unit526KgWidth of drum670mmSpeed of travel1.4Km/hrUneven surface factor0.85Working efficiency0.83Task factor0.92Number of passess specified3Area to be compacted100m long2m wide200m2Equivalent length per pass298.51mTheoretical time for one pass0.21hrsActual time, incl factors0.33hrsNo. of passes3No.Total time to compact0.99hrs

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Compaction - mediumCompaction of medium areasUsing a Bomag BW90S double vibrating rollerCompaction of fill behind soil wallMass of unit1251KgWidth of drum910mmSpeed of travel1.2Km/hrUneven surface factor0.8Working efficiency0.83Task factor0.92Dubai "FU" factor0.7Number of passess specified8Thickness of layer150mmArea to be compacted76m long6.5m wide494m2Equivalent mass per meter1375KgEquivalent length per pass542.86mTheoretical time for one pass0.45hrsActual time, incl factors1.06hrsNo. of passes8No.Total time to compact8.46hrsEq. Vol8.755m3/hr0.114hrs/m358M2/HRDaily production88m3/day

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Compaction - heavyCompaction of large areasUsing a Bomag BW212D double vibrating rollerCompaction of formation to road or bulk fillingMass of unit12,000KgWidth of drum1,600mmSpeed of travel on site4Km/hrCAT manual speed for compationUneven surface factor0.85Working efficiency0.8Task factor0.9Number of passess specified8Recommended No. of passes for 98%Thickness of layer150mmThickness of layerArea to be compacted523m long206m wideArea to be compacted107738m2Vol compacted16160.7m3Equivalent mass per meter7500KgEquivalent length per pass67336mTheoretical time for one pass16.83hrsActual time, incl factors27.51hrsNo. of passes8No.Total time to compact area/mch220.05hrs73.44M3/HR489.6M2/HR734.4m3/roller.day

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Compact - lean mixCompaction of lean mixUsing a CC422 double vibrating rollerCompaction of lan mixMass of unit11,500KgWidth of drum1,800mmSpeed of travel on site2Km/hrUneven surface factor0.85Working efficiency0.8Task factor0.9Number of passess specified8Thickness of layer225mmArea to be compacted241m long23m wideArea to be compacted5543m2Vol compacted1247.175m3Equivalent mass per meter6389KgEquivalent length per pass3079mTheoretical time for one pass1.54hrsActual time, incl factors2.52hrsNo. of passes8No.Total time to compact area20.13hrs61.965M3/HR275.4M2/HR

Compaction-LandPakCompaction using LandPakCompaction of bulk fillingMass of unit12,000KgWidth of drum1,600mmSpeed of travel on site4Km/hrCAT manual speed for compationUneven surface factor0.85Working efficiency0.8Task factor0.9Number of passess specified8Recommended No. of passes for 98%Thickness of layer150mmThickness of layerArea to be compacted523m long206m wideArea to be compacted107738m2Vol compacted16160.7m3Equivalent mass per meter7500KgEquivalent length per pass67336mTheoretical time for one pass16.83hrsActual time, incl factors27.51hrsNo. of passes8No.Total time to compact area/mch220.05hrs73.44M3/HR489.6M2/HR734.4m3/roller.day

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