Abstract: A method and apparatus for visualizing the impact of deviations from a project plan are provided. With the present invention, a timeline with scheduled phases of the project is generated. For each phase of the project, a container of available resources is created. As work flows in, the containers are filled. If a container fills with work and there are less resources available than are required to perform the necessary work, remainder work exists, i.e. spillage occurs. This spillage may be compensated for by either adding resources to the container, expanding the time period of the container, or the like. If a container has an excess of resources beyond that needed to perform the work flowing into the container, then the work that would have been performed during this corresponding time period must be performed during a different phase of the project.