Temperatures are hotting up due to global warming, and Australia has experienced unseasonably warm conditions during winter. Resources Safety and Health Queensland guidelines state comfortable temperatures to prevent heat-related illnesses like heat rash, dehydration, cramps, or exhaustion are between 20-27☌ when the relative humidity ranges from 35-60%. While the guidelines vary between states and territories, sub-30☌ underground temperatures are considered ‘safe zones’ in mining. Along with the rental of the equipment, we provide complete mechanical and electrical design of system, installing and commissioning and servicing of the plant for the duration of the hire.”ĭuring summer in the Australian outback, it is common for above ground temperatures to surpass 40☌ – a heat felt keenly by anyone underground. We can mobilise relatively fast and modify our plants year on year, due to the modular design of our equipment. He adds: “Aggreko’s mine cooling solutions are designed to minimise risk, and provide reliable, easy-to-use mine cooling services. Once the plant installation has been completed, there are further risks with operating the plant, such as sourcing labour, and responsibility of maintaining the plant over time.” The schedule over-run can be the most damaging due to the negative effect on forecasted production. Particularly in current times, projects are at elevated risk of cost and schedule over-run. “Refrigeration is an essential cost, however there are additional risks on top of this cost, associated with purchase, installation, and operation of large mechanical plants. “For every megawatt of permanent refrigeration cooling, it’s upwards of A$1.2 million in capital expenditure, and ventilation alone is about 30% of a mine’s total operating costs,” he said. “Although Aggreko is not 100% immune from world-wide supply chain challenges, we are in a fortunate position of having an agile business model, large equipment fleet and a global team of experts.”Īs Manager of Aggreko’s Mine Cooling Business for the past four years, Bevan has seen the effects of mines that are well-prepared – as well as underprepared – for hot temperatures. “Rental cooling and ventilation solutions are a hot commodity on the back of post-pandemic supply chain challenges and increasing production targets,” Bevan said. Aggreko Underground Cooling Sector Manager Mitch Bevan is encouraging mining construction, production, ventilation, and planning teams to prepare as early as possible for spring and summer, with rental demand at all-time highs on the back of unusually warm weather. That is the key message from a leading underground mine cooling manager as manufacturing, labour, and supply chain issues remain rife.
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