Top Ryde. 30 tonnes of concrete collapses

Engineers have been called in to investigate the collapse of 30 tonnes of concrete at a shopping centre construction site at Top Ryde. The construction union said workers were lucky to escape injury in a formwork collapse at one of Sydney's largest building sites. A safety expert from the Construction, Forestry, Mining and Energy Union, Rick Rech, said the incident could have been disastrous for the workers