GC Civil specialises in the design, fabrication, installation and certification of: • Noise Barriers • Retaining Walls • Acoustic Fences • Pedestrian Fencing • Bridges • Stormwater structures and precast box culverts Our headquarters are based in Wollongong and we service NSW, ACT, VIC & QLD. We have our own inhouse design team to offer a full design, construct & certify solution.