Mr Jack also made mention of the Parklands account.
"One of the things you have probably picked up on is that we have got a lot of money sitting in our Parklands account," he said.
The amount of the transfer was unusual, with the chief executive saying it was "a review of capital projects which have been carried forward".
According to the council's corporate services director Adele Henderson, the transfer to the Capital Reserve was to provide for items previously committed from the reserve.
"Interest income has been allocated to special funds in line with council's policy for allocating interest. However, for this year, there has been no interest allocation to the Infrastructural Asset Renewals or Financial Contribution Accounts," she said.
"The rating surplus arises primarily from additional interest income from general treasury funds, approximately $2.4 million, and unspent carry forward funds from prior years, approximately $3.5 million, no longer required."
Ms Henderson said council should note that in previous years the rating surplus has provided funding for council's contingency account.
"However, as this is now provided within the Long Term Plan, funding from year end surpluses is no longer required for this purpose," she said.