Develop Shared Storage System that Works Well for SKM Models - And Allows for Multiple Users to Checkout the Model
Develop a website, cloud storage system etc., that works well to store SKM models especially considering the size.
Allow the interface to have multiple users to check out the document when in multi-user model. This way changes can be tracked and you would know which users are working on the model.
Sites such as SharePoint are limited to checking out the document to one person.
The main admin should receive a notification that multiple people are requesting to check out the document and they would approve it to ensure no mistakes are made.