Minera Peñasquito S.A. de C.V., a Mexican mining company, has engaged Siemens to operate and maintain their crushing & conveying systems for five years. The Siemens Customer Services Division will perform all the services and also provide the personnel and equipment. The order has an estimated value of around 40 million euros, but is based on the output of the plant. Siemens has already supplied equipment and performed maintenance tasks in the past for this open-cast mine, the largest one in Mexico.
As of now, Siemens is responsible for the round-the-clock operation and maintenance of the InPit crushing and conveying system at Minera Peñasquito. In this environmentally friendly process, sizer stations break up the overburden near the extraction site. This shortens the distance it has to be transported by heavy-duty trucks, and consequently reduces both energy consumption and CO2 emissions. Overland conveyors then transport the crushed overburden several kilometers to waste stacking systems, which dump the overburden.
Siemens uses a computer-aided maintenance system to increase the availability and reliability of the systems. The scope of services also includes round-the-clock repairs, as well as stock and spare part management.
The customer also benefits from the flexible contractual arrangements. Payments during ongoing operations depend on the output of the plant (production-based contract). Key performance indicators, such as productivity, availability and environmental compatibility, are also taken into account (performance-based contract).
Minera Peñasquito is a subsidiary company of Goldcorp Inc., Vancouver, Canada. The mine is located in the Mexican State of Zacatecas. Gold, silver, lead and zinc have been extracted from this mine since 2006. Siemens had already supported the customer by supplying drive systems and performing servicing and maintenance when the mine was opened up several years ago.
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