I would like to clarify some particular point you describe, 
namely "v-b".

(b) New calculations show beam does not hit F magnet. D magnet is
     most serious problem. Valery is confident of these results.

I afraid that my explanations during my talk were confusing and
you could not understand me correctly.
Let me please, provide some additional comment for a clarification.
The presented simulation demonstrates that beam centroid moves down
between S02 and Septum and goes at Y=~-9mm under the Booster axis.
This result potentially promises that beam will effectively avoid F-magnet.
To prove it additional MADX simulations with multi-particle tracking 
(similar to Dec-2019 report)
should be performed using this new matched orbit.

Thanks you,
Valery