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Fresh off the delivery of its first 30 Model 3 electric vehicles late last month, Tesla is zooming ahead with a massive expansion of its Fremont factory.

Already, a new automated storage facility is rising quickly and two other additions are in the works, according to city officials.

The Fremont City Council approved Tesla’s 4.6 million-square-foot expansion master plan in December, which outlines 12 primary growth zones around the factory.

If fully built out according to plan, the plant would almost double its footprint in the city, helping the company reach its ambitious production goals of manufacturing electric vehicles for the mass market.

When done, a white skin with red accents will be placed around the facility’s exterior, matching the rest of the factory.

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Another automated facility will be added at the south end of the factory, planners said, though it will be smaller at about 45,000 square feet.

Tesla declined to comment about potential completion dates for either of the structures.

The site is immediately south of the Thermo Fisher Scientific building and parking lot at 46500 Kato Road. Planners said this week the site primarily will be used for staging and loading of finished cars onto trucks for delivery.

Tesla this year expects to produce roughly 100,000 vehicles at the plant along Interstate 880 in the Warm Springs district. By 2018, the company wants to crank out nearly 500,000 vehicles per year.

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At the unveiling event for the Model 3, Musk said Tesla and its workers are facing at least six months of “production hell” to meet its production goals.

The company’s master plan doesn’t offer clear timelines about the remainder of the planned expansion. Tesla is currently spending roughly $100 million per week — much of that to purchase Model 3 manufacturing equipment — and recently announced it would borrow an additional $1.5 billion to keep operations rolling, according to a Mercury News report.

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