Bldg A 
120/208 3 phase
Commercial 1st Flr Bldg A = 200amps x 5 units = 1000amps x 80% = 800 amps
House Panel = 200amps
Main Disconnect = 1000amps

120/240 1 phase
Residential Condo ~ 125 amp x 10 units = 1250amps x 43% Demand = 537.5amps
Main Disconnect = 600 amps

Bldg B
Residential Condo ~ 125 amp x 6 units = 750amps x 44% Demand = 330amps
House Panel = 70amps
Main Disconnect = 400amps


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Residential Condo ~ 125 amp x 16 units = 2000amps x 40% Demand = 800amps
Commercial 1st Flr Bldg A = 200amps x 5 = 1000amps
House Panel = 200amps

Total 2000 amps