This report provides a comprehensive analysis of operations and project management principles, focusing on their application within the context of TESCO and the Crossrail project. The report begins with a critical review of TESCO's operational management practices, evaluating the implementation of key principles such as accountability, causality, and organization. It explores the use of lean production and Six Sigma methodologies, examining their pros and cons. Furthermore, the report details a continuous improvement plan based on the review, highlighting strategies for long-term growth. The second part of the report applies the product life cycle (PLC) to the Crossrail project, documenting each stage and providing supporting documentation. Finally, it critiques the effectiveness of the PLC in the chosen project using relevant theories and models, offering a well-rounded perspective on operations and project management in a real-world setting.