Kyowa Offshore & Subsea Great Barrier Reef, Far North Qld. Rock bags protect shipping navigation towers from subsea corrosion Rock bags protect the NavAid tower in the Great Barrier Reef Rock bags level base for submarine pipe Rock bag in sea water Rock bag supports pipe in ocean Great Barrier Reef. Deploying 2 bags for subsea corrosion prevention Great Barrier Reef, Queensland Australia, rock bags protect shipping NavAid towers Rock bag supporting submarine pipe Rock bag on pipeline to stop subsea corrosion Rock bags on barge Rock bag supports submarine pipe Rock bag from barge Rock bag used for scour protection being located by diver Deploying Kyowa rock bags for pylon protection Rock bags used for wind farm construction Rock bags used for submarine cable protection Rock bags used around wind turbine J tube protection Rock bags ROV aided precision drops Kyowa rock bags remote release system Rock bags used for pylon scour protection Kyowa off shore, deploying 2x bags at the same time Rock bags used around pylon to stop subsea corrosion Rock bags deployed on submarine cable for sway prevention Kyowa rock bag on ship deck Kyowa rock bags started to be covered with sea growth and attract sea life Kyowa off shore multiple bag deploying spreader Rock bags fill uneven seabed Rock bags installed on a gentle slope