Gant chart in excel

[linga]

Sir,

Need to prepare gant chart in excel,
in this Duration is mention in hours
Start date=Manual input by user
End date =Startdate+Duration(Hrs)

Here Stamping die is the Tool and the applicable opeartions wrt to tool are given in hrs (Milling, Surface Grinding , etc).
The operations for second Tool (Die Insert) will start based on operation in Tool1.

Sample format attached