Proper valve function plays a key role to support onboard sea water systems, for example for ballasting, cooling and emergency fire purposes. Throughout the years we have great tradition for overhauling and changing these valves on subsea constructions. Our mechanics and divers use double barrier blindings to minimize the risk for water ingress and we also engineer custom dry habitat solutions. We use a combination of plugs and covers to water tighten the penetrations and we have substantial amount of these blanks in stock at our warehouse. As we can provide both mechanics and divers, we secure great communication lines and a well maintained integrity of the task team involved.