We are involved in the remodel of a condominium built in the 70's, at the time it was not required to pull a ground wire with the feeders if encased in metal pipe ( EMT ). More than 50% of the unit is being remodeled, requiring the need to replace the existing panel to accommodate arc fault breakers, The town is now asking that a ground be install with the feeder wire from the main located in the meter room ( 1st floor ) to the condominium. (3rd floor). The town has said that if the engineer supplies a letter stating that the conduit if sufficient enough, that this would be acceptable. The engineer has said they would supply the letter if we supplied testing documentation showing this. Has anyone else had this issue and how was it handled.