No open-up inspections required following Type Approval. Kongsberg Maritime is pleased to announce that it has received system Type Approval for its Bearing Wear Condition Monitoring (BWCM) system. The Type Approval was received October 2011 and is according to Germanischer Lloydâs (GL) âGuidelines for Machinery Condition Monitoringâ, meaning it is now approved to avoid open-up inspections, thereby reducing engine downtime and maintenance costs significantly. The KONGSBERG BWCM system measures and displays the combined physical wear of crossheadâŚ