Open Issues in y2015 First Cut Geometry

[1] FpdmGeo4: Volume FBAS shape parameters invalid
[2] FMS and upstream mother volumes overlap, resulting in beam pipe being shadowed.  May require reshape of UpstGeo.
[x] WPUS,WPUN overlap WPIS.  All IRON.  WPIS only, rest MANY.
[x] FPRS, WPUF overlap.
[5] Overlap between IDSM and BBCM.  Outer radius of IDSM at the BBC's is 5.87 cm, while BBC inner radius is about 5.36 cm.  
[6]