Please see the reply to your email of 21st Nov.The solution poses a series of concern, we are not confident it can work properly, Engitec can’t maintain its mechanical warranty with the solution you proposed.Considering weight of the furnace and the type of application to weld one plate over another is not from a mechanical stand point a solution that can guarantee planarity and absence of deformation.To correct parallelism of the two wheels frame plates will have to be slid one on the other, that may cause problems of planarity, final welding also may cause deformation. The additional anchor bolt visible in the drawing welded between the original anchor bolts, once welded on the frame, will preclude the possibility to adjust the height, it is not clear how can be installed an additional anchor bolt in the foundationAttached are few picture that may clarify in case of doubt the previously described alignment procedures. Do not hesitate to contact us for any clarification you may need.