Hydrostatic drive of the ferry approach bank

The expertise, discovering the reasons of the ferry terminal approach bank in Gdynia has been done by the Chair of Working Machines, Drives and Control in 2006. The main objective of the expertise was the investigation of damage sequence and discovering the reasons of damages. As the results of series of investigations and works, the inappropriate ferry station operating and weather conditions on the incident day, have been described. The geometrical analysis of the approach bank and ferry ramp positions and estimation of the approach bank drive and control systems have been done. It was necessary to make the analysis of forces during the approach bank hoisting and the analysis of hydraulic drive operation. The final results of investigation were synthetic description of the damage running, estimation of station elements damage reasons and estimation of personal responsibility level for damages. The necessary construction and safety operation changes have been recommended as well.