Standard Specifications for Building Works in Korea which convey technical requirements of the owners to the constructors has been improved through lots of amendments since their first enactment in 1967. However, complaints about user inconvenience and low usability have been raised continuously in their structure and contents. It stems from the gap between providers(mostly from academic) and users, and it could be solved based on experts’ opinions both from academic and industrial field. The purpose of this study is to improve Korean Standard Specifications for Building Works in terms of structure, contents and maintenance. To conduct this study, we drive the main direction and the priority for the improvement of the specifications, suggest a improvement proposal in terms of structure, contents and maintenance. Finally, we validate the improvement proposal. The expert’s opinions on each subject are collected and analysed through various methods. Through this study, user convenience and efficiency are expected to be obtained. Also, it is expected to help write the specified and project specifications which are based on standard specifications.