Chiboy2020 This will have to come at a cost. We will have to start afresh and you will provide us with all the necessary information to make this happen.
Otherwise, I can just point to few corrections that can be made on the existing drawing so that the architect can make necessary adjustment if possible.
Some of the issues with the plan has been highlighted by @Slankonsassociates
The other issues yet to be addressed includes anticipated future needs, likely changes and security issues.
So if this is something you’d be comfortable with, I can take up the job.