The Descending Passage


The perpendicular size of the descending passage is 105 cm wide (2 cubits) and    120 cm high (2 cubits + 2 palms).
In this way, a man going down the passage will have an available height equal to 134 cm.
As I said already, the passage goes down with gradient of 26,5° deep into the limestone supporting the pyramid.
It has a full length equal to 104,7 m (200 cubits) and it is connected to a shorter horizontal passage, 8,9 m long (18 cubits) entering into an impressive subterranean chambre.
The two passages are connected as per a plane, perpendicular to the descending one, so there is a proper place to stop a square stone block convoy, just in case some should do that…..!
The short horizontal passage leads to a big chamber, nevertheless preceded by a small cavity created in west side wall.
The size of the chamber is notable, even if its dimensions have not “normalized” measures, as I explained in the “ Unit of measure “ paragraph.
It is 14,05 m long in east-west direction, 8,25 m wide in north-south direction and 3,10 m high.
The chamber is clearly incomplete: the floor, the ceiling and the walls have not a smooth finish, even the west wall still has big rocks to be mined.
There are, besides, another blind horizontal passage, south direction, and a well shaft, just rough-hewed too.
The subterranean chamber is evidently unfinished, or rather abandoned, as a new architect had been replaced the first one, changing the project design.
Just for accuracy, I want to explain why the chamber dimension are not normalized standard.
If we move to the upper Queen’s chamber or to the King’s chambre as well, it possible to see that the final dimensions were obtained later by removing the excess material from the surfaces.
It is easy to have a confirmation, checking the room corners: the stone block shape is like an L, as a result of finishing touches.
It’s my opinion that, as per this working procedure, also the chamber, if it had been finished, would have had dimensions equal to whole multiples of the cubit: 14,17 m long (27 cubits) , 8,4 m wide (16 cubits) and 3,15 m high (6 cubits).
I want to note these measures are very important: I may write about later on.
On the contrary, the corridor leading there is perfectly finished, at least as far as the perpendicular section I spoke before.
Because I think right and proper to explain why the chamber was unfinished, it is necessary to say something about the Ancient Egypt history before the Great Pyramid construction and, mainly, about its architect: Hemiunu.