He said the building was regularly inspected by HDC property staff and contractors, and any maintenance issues or necessary repairs were undertaken accordingly as part of HDC's routine maintenance programme.
The report was commissioned by Mr Feyen late last year, along with a structural report on the building.
He released the two reports publicly this month, although the structural report was the subject of media reports earlier this year.
Mr Feyen said the contents of the reports needed to be followed up by HDC.
"But it's going nowhere at council at the moment. It's like nothing has happened."
Mr Feyen said he was involved in discussions with the Department of Internal Affairs and
the Institution of Professional Engineers New Zealand over how to move forward.
A Department of Internal Affairs spokesperson said DIA was helping to reach a resolution.
DIA was independent and not taking sides. It did not have specialist structural engineering expertise and was not reviewing or investigating the engineering reports, the DIA spokesperson said.
An HDC spokesperson said DIA's involvement came about following an offer from then
Local Government Minister Anne Tolley during her visit to Horowhenua in May after the issue was raised with her.