Which one knows how to make a simple sewage processor

Steps are as follows: 1. According to the depth of the sewage treatment tank design layer height, reasonable determination of the number of layers (pool characteristics); 2. Bottom according to the plate or foundation calculation of reinforcing steel; 3. Walls according to the shear wall consideration of reinforcing steel; 4. Top according to the plate arrangement of reinforcing steel; 5. The rest of the excavation, backfill with the same floor; 6. Some special parts of the input in a single component to deal with.