This portfolio covers the topic of Commercial Planning and Commercial Projects. It includes readings such as the Channel Tunnel, and the Effect of Delivery Systems on Collaborative Negotiations for Large-Scale Infrastructure Projects. The learnings include an understanding of diverse and complex government and non-government project contractual arrangements, methods of project negotiation, conflict management, and stakeholder engagement, and evaluating project management tools. The supporting documentation includes references to Project Management: A Systems Approach to Planning, Scheduling, and Control, A Guide to the Project Management Body of Knowledge (PMBOK Guide) 5th Edition, and Wikipedia's Channel Tunnel article.