Hello,
I never looked into this part of the code, but the fresh deposits are in a bief_obj object called EPAI, with a size of EPAI%R of (NPFRMAX-1)*NPOIN2, so I assume that EPAI stores the width of several layers (NPFRMAX-1), and the only layer that is in the 2D results file corresponds to the first NPOIN2 values in the array EPAI%R, so this must be the fresh deposits. EPAI seems to be initialised in CONDIS, and changed in various subroutines like FONVAS.
REgards,
Jean-Michel Hervouet