tank design modifications

Job ID: 38615509

Budget: $30 – $250 USD

Hello,
I'm looking for someone to do some changes on SolidWorks file, here are some details :
The freelancer must sign an NDA before any work.
The work must be done with Solidworks 2022, else it's not possible for me to continue working on the same file.
This work must be done in less than 12 h
Three main changes :
Reducing the slope of the dome 12 ribs without changing the hight ( see figure 1a and 1b)
Create a man hole , similare to the existing one but with bigger diameter 640 mm
Create a shell of 15 mm of thickness.