Redevelopment Portal Cochem
Old Kaiser-Wilhelm Tunnel
Client
Subterra a.s., branche 1
Koželužská 2246/5
18000 Prague 8
Czech Republic
Contractor
BeMo Tunnelling GmbH, Niederlassung West
Project location
56812 Cochem
Germany
Start of construction
2017
End of construction
2017
Project total value
0.37 million €
Task
During the redevelopment of the Old Kaiser Wilhelm Tunnel (built
1874 - 1877) we get the order to restore the north portal including the ornaments and the eagle sculpture by cleansing and restoration.
Preliminary studies have shown disturbances in mortar structures and negative alterations in mortar characteristics, which should be minimized
or eliminated by restoration works.
Technical Data
• injection openings, packer placing approx. 170 pieces
• masonry injections 2,100 l
• masonry restoration 30 m²
(blasting and cleansing/ change damaged
stones/ repointing portal)
• restoration and conservation the 5 tons heavy eagle sculpture by the company “Bauhütte Naumburg GmbH”
• preparation of a sheet metal cladding for the channel flow
on horizontal surfaces
Further project related information
Refurbishment works were done by:
• remove jointing material, producing injection channels
• facing existing anchors, repointing with mortar as well as injection with suspension as per the mortare appraisal
• cleansing with high pressure water
Restoration of ornaments and eagle by a stonemasonry company