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Oyu Tolgoi Mine

Oyu Tolgoi Mine

Very tall service doors are required to access large skips used to bring ore to the surface inside a massive 31-story tall, poured concrete headframe. The skips and cage must be easily accessed for regular preventative maintenance as well as annual refurbishing service. Mounting such large, heavy doors to a concrete wall presented an additional engineering challenge when TNR was designing this heavy duty door solution.  Read more…

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