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• FORTA-FERRO®

Stanford LCLS Tunnel

Project Description:

2,000 feet of underground tunnel and 230 feet of excavated cavern to house the world's first x-ray 'hard' laser – the Linac Coherent Light Source – at the Stanford Linear Accelerator Center, operated by Stanford University for the U. S. Department of Energy. This $250 million project involved fiber-reinforced shotcrete wall and ceiling linings produced using Quikrete-brand Shotcrete MS mix with pre-dry-blended macro-synthetic fibers.

Project Photos: Click on a photo for larger view.

• Owner: U. S. Department of Energy
• Location: Stanford Linear Accelerator Center – Stanford University, Menlo Park, CA
• Dates: October 2006 Ground-breaking through December 2008 Completion
• Fiber: FORTA-FERRO® 1-1/2" long macro-synthetic fiber
• Fiber Dosage: Dosages of 5, 12, and 17 lbs./cubic yard to achieve specified toughness (ARS) values; total volume 68,000 lbs.
• General Contractor/Construction Manager: Turner Construction
• Tunneling Contractor: HMM (Hatch Mott MacDonald)

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