please see the below link,how planning the interface from sp3d with CAESAR ii in future, presentation by Intergraph,. would be a nice, if autodesk also come out with their plan of action in plant 3d in future. this will give all users a more clarity about the future of plant3d.
Thanks Arun for the feedback. We will pass your feedback to our product development team for review.
We will get back to you as soon as we have some update to share with you.