Date: 11/29/1999 Views: 3414
Date: 10/09/2010 Views: 3521
Date: 01/23/2006 Views: 2569
Date: 08/23/2023 Views: 159967
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.