Output per Man Shift (OMS)

In mining, OMS is one of the measures of efficiency for the production.

Details of OMS Calculation

  1. Calculation for UG OMS = Coal Production/ Manshift
  2. Calculation for Open Cast OMS =  {Coal production+(1.4*OBR)} / {Manshift+(Manshift*Average Stripping Ratio*1.4)}
  3. Overall OM         = (Coal Production of UG + Coal Production of OC) / (Manshifts of UG + Adjusted Manshifts of OC)

Details of OMS during the last Ten years is as under:File Size: 93.2 KB

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