This portfolio provides a comprehensive overview of key aspects related to project management, focusing on commercial negotiation, communication, and conflict management across various project lifecycles and technology standards. It delves into methods for identifying and reconciling conflicting objectives, managing stakeholder engagement, and addressing the consequences of project delays and changes. The portfolio also evaluates project management tools for conflict resolution and explores contractual arrangements in both government and private projects. Furthermore, it examines the application of project management standards and frameworks and discusses the importance of logic and ethics in negotiation. References to relevant literature, including the PMBOK Guide and Collaborative Project Procurement Arrangements, support the analysis and insights presented. Desklib offers a wide range of resources including past papers and solved assignments to aid students in their studies.