This Master's thesis aims to perform a post-project appraisal of investment project under which it characterizes the quality of preparation, project evaluation and risk analysis in the form of feasibility study and specifies the objectives and content of post-project appraisal of investment project as a tool for learning from past mistakes and successes of investment projects. Within the achievement of the basic objective the thesis deals with the finding causes of variance between planned and actual project results through the usage of knowledge gained from the post-project appraisal and verification of benefits of its implementation. The thesis also processes through the gained knowledge of the post-project appraisal recommendations for improving the quality of the preparation, evaluation and risk analysis of similar projects in the future.

Main goal of this thesis is to provide information about project management quality and possibilities of quality improvement in project management by project postaudit. Other goals are to inform about best practice in project management and project postaudit and to provide manual for project postaudit implementation.