Christos Zarganis of AoG (Greece) made a presentation on the major reconstruction of the central casing of its open top baking furnace with a view to increase its lifespan and reduce the total costs comparing to full reconstruction. The article details the technical challenges and innovative solutions as well as the project and operation organization put in place in order to realize the work without any safety incident and in a strict schedule of ninety days. (in collaboration with AP).