The main service box/shut off needs to say 400 amp.
There are 9 125 amp panels on this diagram but there needs to be 10 panels.
I’ll follow with the load calculation info next.
Here’s the list of outlets and fixtures in each room. All fixtures are simple two light.
All outlets are simple two plug.
B.B. is baseboard heater, and each is only 7.2 amps.
Breaker box locations denoted with an x.
hello I'm electrical engineer and interested in your project I'll give you updated electrical plan and single line diagram showing all the updated information regards