Restoration of the Old Elbe Tunnel, Hamburg

SCOPE OF SERVICE:

• Preparation of shop and installation drawings
• Cleaning of stone surfaces
• Sealing of cracks
• Partial consolidation of stone surfaces
• Partial conservation of stone surfaces
• Patching of damaged areas with restoration mortar
• Replacement of large damaged stone units by stone indenting
• Production and installation of new stone elements
• Renewal of joints
• Documentation of restoration measure