Wärtsilä says it has signed a long-term Technical Management Agreement with Harvey Gulf International Marine LLC (Harvey Gulf). This five-year agreement covers Condition Based Maintenance & Dynamic Maintenance Planning for 8 offshore supply and multi-purpose support vessels – 6 liquefied natural gas (LNG) fuelled platform supply vessels and 2 offshore construction vessels powered by diesel fuel. The signed agreement ensures ideal running conditions and optimized maintenance for Harvey Gulf’s new vessels. It ensures that their engines – 18 Wärtsilä 34 dual-fuel engines and eight Wärtsilä 32 engines – always run at the optimal level, with optimized fuel economy and maintenance costs. Technical management is based on continuous condition monitoring data and periodical inspections.