| Measuring points | Area (m) | Per (m) | Dh (m) | e (m) | f | k (kg/m3) |
| O | 25.4 | 18.2 | 4.08 | 0.167 | 0.01628 | 0.00925 |
| P | 20.9 | 15.8 | 3.94 | 0.400 | 0.02557 | 0.01459 |
| Q | 22.7 | 17.8 | 4.39 | 0.175 | 0.01612 | 0.00919 |
| R | 22.4 | 16.0 | 3.98 | 0.205 | 0.01809 | 0.01021 |
| S | 19.0 | 20.5 | 4.94 | 0.340 | 0.02082 | 0.01162 |
| T | 19.5 | 20.2 | 4.82 | 0.280 | 0.01917 | 0.01089 |
| Mean |
|
|
| 0.261 |
|
|