Hazard identification and risk assessment of compressed hydrogen as a marine fuel in SAFeCRAFT project

This chapter delves into the critical aspects of using compressed hydrogen as a marine fuel, focusing on hazard identification and risk assessment. The study outlines the methodology and results of a HAZID workshop conducted for a bulk carrier equipped with a 1.5 MW hydrogen engine. Key topics include the identification of 173 hazards across six critical nodes: bunkering station, fuel storage, fuel supply unit, generator engine, gas and vent system, and PTI/PTO. The chapter discusses risk mitigation strategies, such as the installation of hydrogen leak detection devices, emergency shutdown systems, and the use of a risk matrix for evaluating and prioritizing risks. Additionally, it highlights the importance of conducting a Quantitative Risk Assessment (QRA) to thoroughly analyze potential hazards. The findings provide valuable insights for refining design recommendations and contribute to the development of hydrogen-specific maritime regulations and codes. By addressing identified hazards and implementing robust safety measures, the maritime industry can advance towards safe and efficient use of compressed hydrogen, supporting the broader goal of sustainable and zero-emission shipping.