Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

The details of embankments [13, 15, 16, 17, 18]
| The first embankment | The second embankment | |
|---|---|---|
| Dimension at the base | 16 × 26 m | 19.8 × 23.6 m |
| Initial height | 2.0 m | 2.2 m |
| Material of embankment | MSa | MSa |
| Bulk density of embankment | γ =17.5 kN/m3, | γ =18.18 kN/m3, |
| Height of organic soil layer | 4.0 m | 4.0 m |
| Type of organic soil | 2 m of peat and 2 m of gyttja | 4 m of peat |
| Water content of organic soil | w = 418% (peat); | Peat – w = 426% |
| Bulk density | Peat – γ =10.5 kN/m3 | Peat – γ =10.5 kN/m3 |
| Organic matter content | Peat – Iż = 99%; | Peat – Iż = 90% |