What size is the new service?

40x60 building, an old shoe store in a mini-mall that is turning into a sandwich shop like a subway.

Existing service is 200 amp 240/120 volt single phase.

Existing circuits:
1. 2 lighting circuits
a. (1) lighting circuit with 6 4x4 lay-ins at 40 watts each.
b. (2) lighting circuit with 5 4x4 lay-ins
at 40 watts each.
2. One sign circuit
3. 8 general recs
4. One a/c unit (compressor 8.5 amps at 240 volts and condenser fan at 2.4 at 240 volts)
5. Heat strips and air handler ( Heat 8.5KW at 240 volts and blower motor 4.5 amps at 240 volts)
NOTE- all above equipment to stay in the sandwich shop.
1) New equipment list from blueprints
A. New a/c unit (compressor 17.5 amps at 240 volts and condenser fan at 2.6 at 240 volts
B. New Heat and air handler (Heat 24KW at 240 volts and blower motor 10.5 amps at 240 volts

C. New kitchen equipment in the new kitchen.
Sandwich cutter: 2640 watts, all equipment is 120 volts.
3-door REG: 1440 watts
toaster A : 900 watts
toaster B : 900 watts
slicer: 300 watts
processor: 840 watts
Microwave: 1800 watts
cola machine: 2400 watts
Ice machine: 420 watts

D. Circuits that require a 20 amp circuit to each equipment, all eqiupment is 120 volts. Not in kicthen area.
Display case: 1236 watts
soup cooker A: 720 watts
soup cooker B: 720 watts
Cash register A: 300 watts
Cash register B: 300 watts
computer: 300 watts
E. 5 new general recs.
F. Additional sign at front door with "OPEN" on it. 1200 watts
G. New hot water heat at 13KW at 240 volts

Question?????
1. What size is the new service for the Sandwich Shop and how did you come up with your load figure and where in the code. Can you show how you did it?

2. Can I use a AMP Probe to get the existing load of the existing service then apply it the new service calculation? And if, so, how do apply it in the calculation?

And if this is a yes, can I use the AMP Probe on all existing service when it's hard to count all the existing circuits up and their loads? How would you do this if you were going to add more circuits that might affect the existing service size, please explain..Thanks


No heat pumps.
All the a/c units, heat strips and air handler motors is from name plate ratings conveted to watts to determine the load on the service. The kitchen equipment, etc was conveted to watts from their Va ratings from the blueprints on the new equipment schedule.
Thanks,

[This message has been edited by wirenut (edited 11-25-2001).]