Date: 03/02/2004 Views: 7153
Date: 09/30/2005 Views: 4686
Date: 09/01/2007 Views: 6983
Date: 08/23/2023 Views: 771435
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.