Photo: RNZ / Mark PapaliiBuilders say school construction projects have been put off too long and the latest investment has come at a good time for the industry. The announcement has come at a good time for the industry - but could have come earlier, he said. Deputy Prime Minister David Seymour told First Up that meant building work could now be done in a much more cost-effective way. Seymour said there were real challenges the construction industry in the private sector. The construction industry would also place more value on public sector projects, he said.