Because the calculator technique and the modern corresponds by letter technical of quick development, related theory and technique of the intelligence building Yu system are continuously also thesis with dam teacher Fan Gao etc. junior college to teach the work turnover the building for the background , after carrying on an on-the-spot investigation, designed a set of building Yu to speak main contents is as follows: thesis introduced the building Yu to the basic concept that speaks system and develop process and develop thesis elaborated building Yu to speak system of constitute structure and work the allocation and on-line of principle, equipments function and to the dam teacher particularly teach the work the circumstance for turnovering building and be in the light of construction convenience and economize the design principle of equipments and line material expenses to carry on a whole programming design and designed a set of safe and practical multi-line system building Yu to speak system.