November 1992 East and West Bank before Construction
May 1993 Construction of Coffer Dam and Excavation of Casting Basin on East Bank
August 1993Pouring Concrete Floor of First Tunnel Section in the Casting Basin
September 1993Approach Ramp on West Bank Showing Struts between Diaphragm Walls and Reinforcement for Ground Slabs
January 1994Casting Basin on East Bank and Approach Ramp on West Bank
June 1994Backhoe Dredger Loading Silt into Barges in Mid-River
August 1994 Floating the Second Tunnel Section Into Position
September 1994 Floating the Third Tunnel Section
December 1994Removing the Temporary Bulkhead Between the Tunnel Sections
February 1995Installation of Concrete Ballast, Drainage Pipes, and Mid-River Sump
May 1995Installation of Extraction Fans and Lighting
June 1996East and West Bank after Completion of Construction
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