20 precise drillings, ranging between 50m-220m in length were made for water lines in 315mm-900mm diameter polyethylene pipes adjacent to depths and route, of which: 160m diameter 560mm drill bit, 160m length drill bit in steel pipe 630 mm in diameter and 190 m in diameter 455 mm.
2 130 m long drilling was carried out for water lines in 400 mm and 315 mm polyethylene pipes adjacent to depth and trajectory.