Falling resource activity and turmoil in coal markets have forced Australia’s biggest crane services provider into loss making territory, and the company says conditions will not improve until an anticipated upturn in infrastructure investment in around twelve months’ time.

Unveiling its full year results on Wednesday, Melbourne based Boom Logistics said asset write-downs and restructuring costs of almost $90 million had caused the company to record a net loss after tax of $79.5 million and a negative earnings before interest and tax expense (EBIT) of $74.7 million. Included in…