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Thursday 14 August 2014

Zambian substantial African contract wrapped up

Marthinusen & Coutts recently completed installing four mill motors at an undisclosed copper mine in north-west Zambia. The massive electric motors, with diameters of 40 and 28 foot and with each stator quadrant weighing about 100t, are the largest the company has installed to date and probably the biggest in Africa.

Marthinusen & Coutts’ scope of work comprised installing stator quadrant windings on the four mill motors, which were manufactured by Siemens. The four motors are gearless mill drives and include two 26 MW ball mill motors and two 28 MW semi-autogenous grinding mill motors.  Among the challenges here were the remoteness of the mine, about 400km north-east of Kitwe, and working in a heavy rainy season while also trying to meet an incredibly tight deadline.

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