GWSW Ontologie
| Naam | Horizontal directional drilling  |
| URI | HorizontalDirectionalDrilling |
| Definitie extern | [NEN-EN ISO 11295:2018] Method in which a pilot bore is drilled using a steerable drilling head connected to flexible rods and then the bore is enlarged by reamers up to the diameter required for the pipe or pipes subsequently pulled/pushed into place |
| Datum start/wijz | 2019-04-05 |
| Heeft kenmerk | +Datum maatregel [max=1] |
| +Grondslag maatregel [max=1] |
| Heeft invoer | +Mechanische rioolleiding [max=1] |
| Is type | Sleufloos aanbrengen |