Abstract: The aim of this research is to optimize the function and user experience as well as shorten the design cycle of information management product for hydropower project construction in the presence of limited research resources. The QFD (Quality Function Deployment) theory together with grey correlation analysis and GM (1, N) grey model was adopted to process the “small sample” and “limited amount of information” from the experts’ inquiry by generating the iteration. Then the user requirement and technology importance information were extracted to guide the function design and technical resource allocation of the information system rapidly. This method was applied to the construction of a large hydropower station. A construction information management system was designed, whose function and technical scheme was designed based on importance ranking calculated by QFD. Quality evaluation, defect inspection and progress control informatization management based on BIM(Building Information Modeling) technology were achieved. The system has been proved to effectively promote the engineering construction management level.

Key words: hydropower engineering, construction management, system development, QFD, grey theory, functional design of information system, technical resource allocation