
GF Linamar
Mill's River, NC
350,000 sq ft
Completed 2018
GF Linamar is a joint endeavor between GF Automotive and Linamar Corporation aimed at blending the two companies’ expertise in casting and machinery.
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Mainstay was responsible for the structural design of their state-of-the-art plant. The 350,000 SQ FT facility is LEED certified, zero-emission, and includes:
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Division headquarters office
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Melting furnace area
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Die-casting hall
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Heat treatment hall
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Waste water treatment facility
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Central utility supply mezzanine
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Customer sequencing logistics area
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Hazardous material storage, tools storage, and tool shop


The production, tool and maintenance areas are serviced by 50 ton wide-span overhead cranes. All die castings machines are serviced from a central utility mezzanine to keep the surrounding areas accessible from all sides. Machine control cabinets are also placed on the utility mezzanine. The entire facility is constructed of non-combustible building products due to the special requirements associated with the handling of magnesium.