Determine the size of the service entrance conductors required for phases A and B and the neutral for twenty (20) 83.5 m2 (900 ft2) units in a multifamily dwelling. The units have the following loads:

• General lighting and receptacle loads.

• Two small kitchen appliance loads and one laundry load per unit.

• Special appliance loads. Each unit has: 10 kVA space heating unit, 12 kVA range, 5 kVA water heater, 1.2 kVA dishwasher, and 1 kVA disposal.

Use both the standard and the optional methods to determine the service entrance conductor size for the phases. Assume 120/240 V service.