International Project Management Association is an organization focused on Project management process which is understood as competence field of a Project Manager. The Project Manager is the main person of all the process with responsibility from the beginning to the end of the process. This article focuses on the tools, documents and project management procedures related to building projects and big investment areas. Based on practical experiences it describes the main role of the project managers in terms of competency skills. It refers to bottlenecks of the buildings projects, underestimating the risk management and it includes a short view on process solving with Theory of Constrains. On the end of the article is mentioned a team work as a tool for successful achievement of objectives.