Bypass bridge steel found to fail tests in New Zealand

Breaking_News_LogoA article has been published by Radio NZ today that sixteen hundred tonnes of steel from China has been found to be too weak.
This steel was to be used for four bridges on the $450 million Huntly bypass that forms part of the $2 billion Waikato Expressway.

Contractors building the ‘Road of National Significance’ chose a very low bid for the steel tubes.

But the test certificates for them have turned out to be wrong, and now an expensive fix-up job is under way.

The contractors, Fulton Hogan and HEB Construction, have admitted to RNZ News the steel tubes were not good enough. They did not comply with standards for structural steel, which for bridges were very high as they must resist impacts, heavy loads and low temperatures.

It was only after a third lot of testing that the contractors found out. The first tests were done in China by the steel mill and the tube manufacturer; it is understood the second tests were done in New Zealand on samples sent here from China.

Both lots of tests said the steel met the New Zealand standard….


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