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It is understood that overall production has been as low as 13 cwts output per manshift compared with the coalfield output of 29 cwts.
In one week in September they produced 35,000 tonnes of saleable coal, each manshift producing 4.
6 cwts a manshift when they did it again with a figure of 65 cwts.
The Production Efficiency Award was presented to each mine or colliery that increased their fresh mined output per manshift by 10% or more.
Reducing the number of operators required, and raising their output per manshift can greatly improve the economics of underground mining.
Thus, reducing the number of operators required, and raising their output per manshift will greatly improve the economics of the operations.
Productivity bonuses are usually tied to the tons of product per manshift for the mine or for some part of the mine compared to a targeted goal.
Average output of raw coal per employee was under 163 t in 1993 and in state mines, output per manshift in 1992 was estimated at just 1.
The mine employs a workforce of 1,600 and output per manshift is 6.
Canada's Continuous Mining Systems (CMS) believes that "computerisation of equipment leads mining towards the goals of increasing tonnage per manshift and reducing dilution.