Thanks for the responses.

I agree the 600s are too small based on 310.16. A previous tennant had originally intended to do this project and had come up with this scenario and I was under the impression it was blessed by the poco, I have a meeting scheduled with a poco engineer to verify this. I was wondering if the conductors might fall under the "jurisdiction" of the poco and could be smaller than what would be required by 310.16.

The main disco and metering will be located at the building, not at the pole.

The responsibility for removing the old conductors and installing the new conductors falls on me.

To answer some of Scott's questions.

I am in the process of doing load calcs. I think 800 is enough, but customer originally wanted 1200 for future expansion.

None of the existing panelboards, equipment will be reused.

The existing conductors in conduit #1 seem to be in good condition as does the conduit that is visible. I'm cautiously optimistic about getting the old conductors out.

Thanks