Production Scheduling Not Honoring Operation Sequence

Looking for tips on how to get operations to schedule one after another always in PS.  Have 2 operations where resource scheduling occurs (10 and 900).  Operation 10 has the following resources and schedule sequences

TOOL_ROOM, 5  Schedule Prior (Prior is used to see the setup separately from throughput in ASCP GANNT View)

(used for EBS) rate is minimal .00001, Lot Based - this will come out to 1 minute in ASCP and PS

GROUP3DS, 10 Schedule Prior (Prior is used to see the setup separately from throughput in ASCP GANNT View)

(used to pull in another setup type Diameter Size to do manual scheduling in PS by DS)  rate is 3.5, Lot Based 3.5 Hours - Setup Time