If the tomb will be saved, new chamber stones must be cut. But chamber stones measure 19 cubits wide and one cubit high. The sealing [plug] stones are one-third cubits high, wide and eep and may be used to support the roof stones if cut properly. Cutters could also remove the roof of the gallery to use if allowed to use the new tool. The usable roof might be 50 cubits while the usable floor might be 55 cubits. Imhotep is also thinking about the roof above the chamber stones which are 25 cubits...
This papyrus discusses some alternate salvation plans. I got bored while translating it so I started doodlling. This is the view from the ruins of the valley temple.