Mr Strang declined to comment, citing a confidentiality agreement, while Mr Hall - who now works for the Otago Regional Council - would only say he remained "very supportive" of the city.
Both men were members of the council's executive management team until opting to take voluntary redundancy late last year, and were said at the time to be in line for six-figure payouts.
Council chief executive Paul Orders yesterday said the overall severance payments reflected the cost of restructuring the organisation under existing contractual arrangements, and could not be avoided.
"There's simply no way around it, but it's an issue you have got to confront."
The payouts would be outweighed by salary savings in time, and it was important to weigh the initial costs against longer-term benefits, he believed.
"It's a cold cost-benefit analysis. It's the business end of being a chief executive," he said.