| Country: | Bulgaria |
| City: | Chirpan |
| Year: | 2022 |
| Application: | Sewer |
| Installation: | Open Trench |
| Technology: | Hobas |
| Total Length: | 1800 m |
| Nominal Diameter DN: | 1200 | 1100 | 500 | 200 mm |
| Nominal Pressure PN: | 1 bar |
| Nominal Stiffness SN: | 10000 N/m2 |
| Contractor: | Hydrostroy |
| Client: | WC Stara Zagora |
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