Gantt chart with multiple time frame on single task

Hi,
I am blocked on creating a chart for my boss where can be tracked the production phase for multiple part numbers (from tooling design to FAI phase)
In my mind the graph looks like in attach picture but I don't have any idea how to put the second and the third bar on the same part.
If someone can give me an idea how to do that...or maybe another type of graph that can express the production different phases for multiple part numbers
gantt chart.jpg
Thank you!

Excel for Windows