Review of Drilling Equipment Operation
SANYON LLC carried out drilling operations from January 10, 2017, to March 30, 2017, using the Storm 20 drilling rig for chemical stabilization of the Syretsko-Pecherska metro line.
- Location of drilling operations: Kyiv, metro stations Vydubychi, Pozniaky, Kharkivska.
- Soil category: Sandy soils.
- Work performed: 10,780 boreholes with a diameter of 76 mm and depths ranging from 0 to 17 meters.
- Average drilling speed: 15 to 20 meters per hour.
- Drilling method: Drilling with flushing.
During the work, the declared performance characteristics of the Storm 20S drilling rig were confirmed.
Director
S.G. Ternovoy


