June quarter construction figures showed a rise of 1.6%, up from the March quarter’s fall of 2.0%. The positive result was a surprise to financial markets where the expectation was for 1.5% fall. WA’s mining sector, in particular the construction of the Roy Hill iron ore mine and the Gorgon LNG projects, was responsible for the surprise result. Westpac, however, feels the activity is unsustainable and there is speculation the...