This portfolio discusses the differences in commercial negotiation between government and private organizations, and the implications for contractors and designers. It also covers methods of identifying and reconciling inconsistent and conflicting objectives, consequences of project delays, disruptions, and changes to planned activities, and project management tools that help avoid or provide conflict resolution via negotiated solutions. Supporting documentation includes 'Collaborative Project Procurement Arrangements' by Derek H. T. Walker and Beverly M. Lloyd Walker, and other relevant sources.