Mechanical & Electrical

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Construction Man-hour Norms

Description Constants include drawing cabling in sets of four cables plus Unit Tradesman Hours Labourer Hours
Cable        
  approved size earth cable into adequately sized conduits, with      
  minimal long sweep bends, and for fixing cabling to top of      
  horizontal single side supported trays.      
TPI cable in conduit        
  2.5mm2 m 0.03  
  6mm2 m 0.04  
  25mm2 m 0.05  
  35mm2 m 0.06  
  95mm2 m 0.09  
Four core and earth PVC/PVC circular cable on tray        
  2.5mm2 m 0.08  
  6mm2 m 0.11  
  16mm2 m 0.17  
  35mm2 m 0.23  
  95mm2 m 0.42  
  150mm2 m 0.59  
MIMS/PVC cable on tray, single core        
  6mm2 m 0.11  
  10mm2 m 0.13  
  25mm2 m 0.17  
  50mm2 m 0.23  
  70mm2 m 0.25  
  120mm2 m 0.32  
MIMS/PVC cable on tray, four core        
  4mm2 m 0.11  
  6mm2 m 0.13  
  10mm2 m 0.17  
  16mm2 m 0.23  
  25mm2 m 0.25  

Planning and Estimating Production Rates

Task / Description Slow Ave Fast Units
Cable Installation, 1 cable laid in trench and protect - 6.2 - m/hr
Cable Installation, 2 cable laid in trench and protect - 5.6 - m/hr
Cable Installation, 5 cable laid in trench and protect - 4.3 - m/hr
Cable Installation, 7 cable laid in trench and protect - 3.7 - m/hr
Cable Installation, 8 cable laid in trench and protect - 3.5 - m/hr
Cable Installation, 2 cable laid in trench and protect, 100mm dia - 1.8 - m/hr
Cable Installation, 2 cable laid in trench and protect, 135mm dia - 1.6 - m/hr
Cable Installation, 3 cable laid in trench and protect, 100mm dia - 1.0 1.5 m/hr
Cable Installation, 6 cable laid in trench and protect, 100mm dia - 0.7 1.2 m/hr
Cable Installation, 4 cable laid in trench and protect, 150mm dia 0.7 1.2 3.1 m/hr
Cable Installation, 36 cable laid in trench and protect, 100mm dia - 0.2 - m/hr
Cable Installation, 10 cable laid in trench and protect, 100mm dia - 0.5 - m/hr
Cable Installation, 1 cable laid in trench and protect, 300mm dia - 1.3 - m/hr

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