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mga 2020 v55 and Esri shape files dont transform to correct location

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I have received ESRI shape  file data  even though they named everything mga55 the  prj file reveals that the esri dat set is in fact gda94z55

No problem I open and created a dgn in v8i ss10 ( 8.11.09.919) set the GSS to MGA94z55  then used the remanager to ref attach the SHP file  I then checked it landed in the right place with my airphoto and double checked via Bing maps ( I have bing  key for v8i )  so it  doesn land in right  spot. so I merged the ref to keep it in the dgn.

ok I need this to be in MGA2020Z55

So in Connect edition  I made a new file  set the GCS to MGA2020Z55  and  ref attached the original shape  file and  told mstn xref to reproject the ref esrishape file  turned on Bing and  it  is not in the right place by alot...(5147467.960m north)  so I ref attached my V8i dgn and told msnt to reproject it and  wow the v8i file that was GDA94z55  lands in the right  place or as close as I can work out  from BING Maps as I have no coordinate listings to verify with.

So it seems  that CE  13 10.13.0048 doesnt  know what to do with the esri gda94z55 shp file .. but it  does reproject the dgn 

Can somebody else take a  look at this please and  check if its my work flow or just  CE13  or is the GO  particular to my seed files  that zip contains my esri data set and my two dgns 

communities.bentley.com/.../shapefile.zip


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