Figure is a municipal engineering biochemical pool, sedimentation tank drawings, this project's unit sub-parts of the project inspection lot division, it is the bottom plate is the foundation, the pool wall and the
1, your question is wrong, you illustrate the water facilities drawings, belong to the outdoor supporting works, and the foundation division of the construction project has nothing to do;
2, the water project belongs to the environmental protection project, not a municipal project;
3, the so-called sub-items of the project is the construction of the construction project, your question elevation of 7 meters or less, belongs to the base of the pool, is not what the foundation division.