Call for tender under the SQS 239894 - Category 4 - Site investigations for HDD crossing at Roskilde Fjord
Buyer: Energinet Eltransmission A/S
- Published
- 11 December 2024
- Procedure
- Negotiated procedure
- Notice number
- 00757298-2024
- Reference
- d79e7ee4-8d2d-431b-b81c-0066474ab48d
- Official source
- Official source
CPV codes
- 71351200Servicios de consultoría en materia geológica y geofísica
Description
The scope of work includes performance of site investigations for one HDD location: 1. Roskilde Fjord, HDD range approximately 1700 m. The site investigations include: • Work Package A (Lot 1) - Geophysical investigations with electrical resistivity mapping of the geology to identify shallow soft soil, low and high resistivity units between boreholes and homogeneity and fractureness of pre-quaternary soil units (Danien Chalk). Detailed seismic mapping down to at least 50 m under the seabed. Furthermore, the seabed surface must be mapped with respect to water depth and surface characteristics. • Work Package B (Lot 2) - Geotechnical investigations with conventional geotechnical boreholes, CPT tests and laboratory tests, but also coreing of underlying pre-quaternary soil units of Danien Chalk, including advanced laboratory testing on selected samples (geological description). This package also includes geophysic well-logging. The results must be delivered as site investigation reports supported by profiles, charts as well as digital deliverables for both WP1 and WP2.
Lots (2)
| Lot | Description | CPV code | Amount |
|---|---|---|---|
| 1 | Site investigations for HDD crossing at Roskilde Fjord - LOT A | 71351200 Servicios de consultoría en materia geológica y geofísica | — |
| 2 | Site investigations for HDD crossing at Roskilde Fjord - LOT B | 71351200 Servicios de consultoría en materia geológica y geofísica | — |
Awards
| Awarded to | Amount | Date |
|---|---|---|
| COWI A/S | — | — |
| Per Aarsleff A/S | — | — |
Official publications
- TED · 00757298-2024 · 11 December 2024
- OJS · 241/2024 · 11 December 2024
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