Date: 10/12/2003 Views: 6081
Date: 12/31/1969 Views: 2177
Date: 12/31/1969 Views: 2927
Date: 08/23/2023 Views: 87886
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.