Skyriders Access Specialists (Pty) Ltd. set a new record when it deployed its Elios SkyEye confined-space drone for the first time in the massive internal space of the back-pass ducting at a major coal-fired power station in Limpopo. The back-pass ducting conveys the hot exhaust gases and fly ash to the precip hoppers, and ultimately to the smokestack. This huge space measures 6 m by 6 m, and is about 35 m high, which means that installing the necessary scaffolding in order to gain access for any inspection purposes is extremely costly compared to the end result, which may even be that no repair is necessary.
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