This paper introduces excavation of the unfavorable geological section of tunnel project of Wanjiazhai YRDP, temporary brace and construction of concrete lining.

The progress and experience of flood-controlling construction in experiential section of Mulan brook is important foundation for designing and carrying out whole project.

Section II of the project under construction based on civil rights, including the right to Mortgages, expectant right and the project contractor Priority rights and so on.