Evaluation of Three Native Grass Species and a Tree Species for Coal Mine Rehabilitation
Field trials established on prepared topsoil at three Mpumalanga Highveld collieries and measured to 2007, covering survival, cover, biomass and tree growth, for rehabilitation planners.
Cynodon dactylon outperformed Themeda triandra and Hyparrhenia hirta, reaching 100 per cent survival and cover at all three trial sites by 2007 with or without fertiliser. Acacia sieberana reached 97 per cent survival at Kleinkopje Colliery but grew poorly at Optimum and Syferfontein. Planting plugs suits slopes too steep for a planter machine and buffers against pasture grass intrusion.
R1500,00
Description
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Relationship Between Remuneration, Employee Morale, Stress and the Subsequent Impact on Safety, Productivity and Profitability.
2006
Study of pay and bonus structures on South African coal mines across management, staff and operator grades, for human resources practitioners and mine managers reviewing incentive schemes.
What this report foundBuilds on an earlier productivity audit that identified fluctuating bonuses and incentives as an influence on output, safety and employee stress.
R1500,00
Builds on an earlier productivity audit that identified fluctuating bonuses and incentives as an influence on output, safety and employee stress. The work examines how salaries, production bonuses and safety bonuses are graded and distributed across employee categories, how workers perceive that distribution, and whether incentives in practice motivate production and safe working. Stress and morale are treated as measures of wellbeing.
DyVar Pilot Test Report
2019
Batch pilot trial of a salt concentration unit on saline coal mine effluent at the eMalahleni reclamation plant, for mines weighing brine treatment and salt recovery.
What this report foundA pilot brine concentrator treated Stage 3 reject effluent from a mine water reclamation plant, raising total dissolved solids from 24 g/L to 154 g/L at 88 per...
R1500,00
A pilot brine concentrator treated Stage 3 reject effluent from a mine water reclamation plant, raising total dissolved solids from 24 g/L to 154 g/L at 88 per cent water recovery. The condensate met the national potable water specification. A separate run concentrated brine from 76 g/L to 145 g/L, solid salts were precipitated, and no scaling or fouling was seen.