William has 20 years and 50+ miles of experience in tunnel surveying.

• 1979-82:  Party chief on the construction of the Red Line Subway Tunnels from Harvard Square to Porter Square in Cambridge, MA.
• During the 80’s Mr. Currier was president of Baseline Surveying and Engineering Inc based in Saugus, MA
• 1990-96:   Chief of Survey, Boston Harbor Outfall Tunnel.  This tunnel is reputed to be the world’s longest, single entry tunnel.  Mr. Currier received Kiewit’s Engineering Award for his accomplishments on the Outfall Tunnel in 1995.
• 1992-93:  Chief of Survey, North System Tunnel, Boston Harbor Clean Up Project.
• 1996-2000:  Chief of Survey, Metro West Water Supply Tunnel, Framingham, MA
• 2000-2002:  Survey Manager, Chattahoochee Tunnel Project, Cobb County, Georgia.
• 2002-2004:  Survey Manager,  Nancy Creek Tunnel Project in Atlanta
• 2004-2008:  Survey Manager for the Atlanta CSO Tunnel Project.
• 2008 - present: Survey Manager for the South Cobb Tunnel Project