There's been pressure on a government to investigate alleged corruption on construction sites. (Joel Carrett/AAP PHOTOS)There's been pressure on a government to investigate alleged corruption on construction sites. (Joel Carrett/AAP PHOTOS) Credit: AAPAn embattled state Labor government could suffer bruising scrutiny under a properly armed royal commission but it sorely needs one to rebuild trust, integrity experts say. After being sworn in as Victorian premier, Ben Carroll's first move was to call a royal commission into the construction sector. The integrity expert's report estimated $15 billion might have been lost to wrongdoing on taxpayer-funded construction sites in Victoria.