Date: 08/12/2003 Views: 4160
Date: 12/31/1969 Views: 2429
Date: 10/06/2009 Views: 4211
Date: 08/23/2023 Views: 160574
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.