This report provides a comprehensive risk assessment for the construction of a Melbourne to Sydney high-speed rail system. It begins with an introduction to the project, highlighting the use of a French TVG network model and the necessity of a risk management plan. The report explores the business risk management model, explaining its suitability for addressing operational challenges. It details the steps involved in integrating this model, including pre-strategy risk assessments, business risk assessments, risk treatment, and monitoring. The report identifies various risks such as improper requirement analysis, resource estimation issues, blueprint problems, inexperienced team members, schedule slippage, budget constraints, material quality concerns, and environmental risks. It then outlines steps to mitigate these risks, emphasizing the importance of quality materials, experienced teams, proper resource estimation, budget management, and thorough project requirement analysis. The conclusion reiterates the use of the business risk management model and summarizes the identified risks and evaluations. References to relevant literature are included to support the analysis.