Date: 12/31/1969 Views: 2369
Date: 12/31/1969 Views: 2671
Date: 03/04/2016 Views: 4757
Date: 08/23/2023 Views: 89163
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.