A 30-metre wide walkway along Sydney Harbour which is set to form a crucial part of the public space associated with the multi-billion dollar Barangaroo development has received the go-ahead for construction, the New South Wales government says.

In a joint statement last week, state Premier Barry O’Farrell and Minister for Planning and Infrastructure Brad Hazzard said planning approval had been granted for the 300-metre  long pedestrian promenade, which is designed to create a quality connection between Hedland Park and Barangaroo South on the western fringe of Sydney’s…