A method for ensuring completeness and quality of a project or proposed change to a complex system including modeling the system as a plurality of nodes and storing the nodes in a database, each node being representative of a component or sub-system of the complex system, identifying relationships among the nodes, loading each node with a plurality of questions relating to the component represented by each node, and generating a listing including the questions, answers thereto and a time associated with accomplishing the proposed change or project. An apparatus for implementing the method is also described.