Italy
| Participants | |
|---|---|
| Owner | Acquedotto Pugliese Spa |
| Contractor | Fratelli Andresini Srl. |
| Location of the Job Site | Lecce, Italy |
| Tender | |
| Short Description of Job | Laying of gravity sewers ID 800 mm / OD 860 mm GRP pipe at the “Viale della Liberta” in Lecce, Italy |
| Specifications for Tenders | 2.900 m laying of gravity sewers ID 600 mm by open trench, 800 m gravity sewers ID 800 mm with trenchless technology (pipe jacking) |
| Alternative Methods proposed by the Constructor | Guided auger boring instead of slurry microtunneling |
| Ground conditions | |
| Described Ground in the Ground Report | So called Lecce Stone (Calcarenite Leccese) |
| Encountered Soils | As described in the soil report. Close to the center of the city Lecce stone with traces of silty sand |
| Depth of Coverage | Up to 6 m |
| Accuracy | Tolerances for line and grade ± 20 mm, given slope 0,2 %-0,6 % |
| Time for Job or Production Rate | Start of pipe jacking in November 2015, daily performance up to 15 m |
| Driving Length | Up to 85 m |
Bohrtec Gesellschaft für Bohrtechnologie mbH
Konrad-Zuse-Straße 24
D - 52477 Alsdorf
+49 (0) 2404 9881 - 0
+49 (0) 2404 9881 - 10
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