oa Civil Engineering = Siviele Ingenieurswese - Impumelelo - Sasol Mining's flagship replacement project : structural engineering
Sasol Mining's greenfield Impumelelo project near Secunda is one of three coal replacement projects. The complete Impumelelo project is estimated to cost R4.6 billion and is being undertaken by Sasol Mining and RSV ENCO/Goba JV. The original design was for 8.5 million tons per year, with the materials handling portion designed for future expansion to 10.5 million tons per annum. The Impumelelo project, located about 50 km from Secunda, will replace the Brandspruit mine in supplying Sasol Synfuels with coal. The Brandspruit operation will ramp down as the Impumelelo mine comes into production. The Impumelelo mine, a conventional board-and-pillar mechanised mine, will be about 220 metres deep and will be one of Sasol Mining's deepest mines, with a life expectancy of about 35 years. The materials handling portion for the Impumelelo coal delivery system is significant. A 1 500 t underground coal bunker feeds coal onto a single conveyor to the surface. This conveyor feeds into a 15 000 t surface bunker which feeds coal onto a 28 km overland conveyor and then on to the SCS coal bunker of 4 000 t before entering Sasol's Secunda operations.
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