2.3. BUILT UP RATE FOR EXCAVATION BY MACHINE.

BUILT UP RATE FOR EXCAVATION BY MACHINE.

  OperationType of machineCapacity/ size       (  )Output (per hour) )Bulk size (           )Average output/day        (      )Oil uses
  Diesel (liter)/ hour  Hydraulic (liter)/ Hour
Reduce levelTractor crawler1.0030-400.28.413.410.11
  Excavation in basementFace shovel0.6040-500.213.764.550.20
Dragline0.5025-350.313.764.550.20
Backactor0.5020-300.313.764.550.20
Excavate for trenches  Backactor0.4015-200.419.114.550.24
  Backhoe  0.40  15-20  0.4  19.11  4.550.24
Excavate for pitBackactor0.4010-750.632.766.820.33

Table 4: Output Of Machinery, Average Output Of Machinery And Soil Uses Table

EXAMPLE 1

Excavate in basement exceeding 0.25 m b.n.e 1.00m deep commencing from reduced level, fill in, part return and ram, remainder load and cart away from site not exceeding 100m from site. Built-up rate for the excavation above in 1.

Information 
  • Uses backactor.
  • Machine –rent
  • Labour salary
  • Operator : RM 70/day
  • Banksmen : RM40/day
  • Working day : 8 hrs/day
  • Diesel : RM 1.80/litre
  • Hydraulic : RM 5.00/litre
  • Labour gang of work to operator & 1 banksmen
  • Renting backactor : RM 500/day
EXAMPLE 2

Excavate pit for pad footing not exceeding 0.25m deep commencing from ground level fill it and ram reminded load and cart away from site not exceeding 100m from site.Calculate 1m3 excavation.

Information
  1. Use back actor
  2. Machine rent
  3. Labour salary
 Operator: RM 70.00/day
 Banksmen: RM 40.00/day
4. Working day : 8 hr/day
5. Diesel                : RM 1.80/litre
6. Hydraulic          : RM 5.00/litre
  1. Labour gang of work to operate back actor : 1 operator & 1 banksmen
  2. Renting back actor      : RM 500.00/day
  3. Profit and Overhead 10%