This standard is formulated in order to improve the monitoring technology of embankment dams and achieve the safety of project.This standard is mainly applicable to the safety monitoring of Class 1,Class 2,and Class 3 rolled embankment dams according to the classification of water and hydropower project grades.It is also suitable for the safety monitoring of Class 4 and Class 5 rolled embankment dams as well as other types of embankment dams.