Less than 1 month –
10-30 hrs/week –
Model provided Autocad drawing in Autodesk Inventor.
Use Autodesk Inventor version no older than 2011.
Refer to included information, P&ID, BOM, Structural steel selection.
For structural elements use FRAME GENERATOR of Inventor.
For piping use proper piping design tool in Inventor.
Pump, flushing system, coolers, fans and motor can be exported to inventor format without remodeling.
Do not make fabrication drawings at this point.
All we need is a "live" model in Inventor ready to be modified.
For piping ...