This document discusses the implementation of operations management principles in the Cross-rail project, including the reality, organisation, success, accountability, causality, change, knowing the competition, and quality control. It also explores the application of Six Sigma and Lean principles. Additionally, it covers the continuous improvement plan based on the review and critique of operations management principles, and the stages of the PLC applied to the Cross-rail project. The document provides insights into the project's initiation, planning, implementation, and closing phases.