Polye said China Harbour Engineering company had done defective and substandard work on the phase one construction of the Lae Tidal Basin.
He was commenting on a media report which cited CHEC likely to be engaged in the Waigani to Badihagwa-Hanuabada road project.
He added that the wharf work cost the taxpayers’ nearly K1 billion.
Polye doubted whether CSTB had done due diligence and strict assessment in the screening process, saying if not, CSTB is incompetent.