Date: 08/03/2009 Views: 4590
Date: 06/06/2003 Views: 3164
Date: 10/31/2010 Views: 2941
Date: 08/23/2023 Views: 159762
WingSet96Ann The area where the tie-bar passes through a depression in the tunnel has to be prepared for closure. The tunnel depression with the areas of fiberglass and foam core removed in preparation for closure.