Containervessel 2010 Dadanwei Shuidao - China Svitzer Salvage The containervessel ran over a shallow while navigating the Dadanwei Shuidao. The vessel started to sink and was intentionally beached in approx. 20 meters water west of Lamma Island. Siri Marine has been contracted by Svitzer Salvage to provide Motion and Hull Integrity monitoring services on board the containervessel during the salvage operations.