This consolidated portfolio provides a comprehensive overview of the key learning outcomes covered in the PPMP20011 - Commercial Project Negotiation course. It summarizes the essential concepts and principles related to project negotiation, conflict management, stakeholder engagement, and contract management. The portfolio includes evidence from weekly portfolios, discussions, and real-world examples to illustrate the practical application of these concepts. It also explores the consequences of project delays, disruptions, and changes to planned activities, and examines methods for claims variations, liquidated damages, contract entitlements, and arbitration. Finally, the portfolio evaluates project management tools that help avoid or provide conflict resolution via negotiated solutions.