5.2　Site Selection Investigation

5.2.1　The site selection investigation is designed to select a site complying with gedogical and hydrogedogical requirements of the water-sealed cavern storage project.At least two candidates shall be considered.

5.2.2　The site selection investigation report shall include the following contents:

1　The basic conditions of the site candidates in terms of topography，geology，hydrology，meteorology，earthquake，and transportation；

2　Site candidate comparison and site recommendation；

3　1∶10000 integrated engineering gedogical map of the recommended site；

4　Geophysical prospecting results of the recommended site；

5　Total area of available rock mass and axis direction，burial depth，height，and span of the cavern（s）；

6　Unsolved problems and suggestions.