|"Burg Drachenfels" Dahner Felsenland
- conservation and restoration work in different parts of the ruined castle: "Kasematten" and "Turm"
- renewal and stabilisation of the affected natural stoneblock facade-masonry and vaults with 'caementitium'
- development of appropriate stabilisation technics in materials and procedure and appearence
architect for documentation, conception, planning and execution
Village of Busenberg; County of Dahn
Landesamt für Denkmalpflege, Mainz
1993 - 2003 execution, still ongoing