The Concourse provides an entertainment precinct and community hub for the Willoughby Council area, comprising a Concert Hall, Theatre, Civic Hall, Library, retail, supporting areas, and an underground car park. CJP were engaged by the Design and Construct contractor to provide detailed mechanical design services for air conditioning, ventilation, and mechanical services elements of the fire and life safety systems. The building was required to achieve a high standard in terms of environmental sustainability and incorporates a combination of passive design strategies as well as highly efficient mechanical design strategies to achieve this. The acoustic requirements were also a key component in the design, particularly for the Concert Hall and Theatre.