Doors have to be ordered with the nominal wall opening dimensions Lfm x Hfm and the opening hands to push (DX = push right, SX = push left).
If ordered in the fire rated version the dimensions of the doors, glasses and their distance from the edges have to be within those allowed by the chosen certificate.
The client has to prepare the partition up to the lines of the dimensions Lfm x Hfm, then install the door and complete the corner of the partition opposite to the hinges up to the lines of the dimensions Lp x Hp.