Date: 12/31/1999 Views: 4632
Date: 10/26/2004 Views: 3038
Date: 08/12/2013 Views: 4425
Date: 08/23/2023 Views: 93369
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.