My workplace just added Google+ to Google Apps. I already have a personal account, which I want to keep separate from work.
Is having two accounts on Google+ allowed?
Google allows Multiple sign-in feature, primarily because of introduction of Google Apps. So managing 2 accounts as in your case should not be a problem.
I have both at the moment one with my gmail account and another with my Google Apps account, although I really only use one. Can't see why it wouldn't be ok...