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Metadata: 2012, GEO, Zone 3 - Dogger Bank, Geotechnical Survey (Tranche A and B)
Abstract:
Forewind Ltd. contracted GEO to conduct a geotechnical site investigation including seabed Piezo-Cone Penetration Testing (CPTU) at the planned Offshore Wind Farm at Dogger Bank. The worksite for the present campaign is primarily Tranche B of Dogger Bank Zone located in the UK part of the North Sea. 80 tests were performed in Tranche B and 8 tests performed in Tranche A. In total 88 deep push seabed CPTUs with a target depth of 40 metres below seabed were carried out. On 6 of the locations an additional test (re-run) was performed. The objective of this geotechnical investigation is to provide CPT data for Tranches A and B of the Dogger Bank Zone, part of the UK Round 3 wind farm development. The investigation is aimed at groundtruthing and integrating with the geophysical data to allow a 3D GEO-model to be developed. The geotechnical offshore activities were carried out from the vessel Blue Alfa between 2012.05.25 and 2012.06.08. The operations were conducted on a continual 24-hour basis. This ESRI ArcGIS shapefile is also supplied which represents the CPT locations and provides attribute information of the results.
Data holder:
The Crown Estate
| Other details | ||
| Internal code | Internally assigned metadata identifier | 37168 |
| Title | The title is used to provide a brief and precise description of the dataset such as 'Date', 'Originating organisation/programme', 'Location' and 'Type of survey'. All acronyms and abbreviations should be reproduced in full. | 2012, GEO, Zone 3 - Dogger Bank, Geotechnical Survey (Tranche A and B) |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | Geotechnical Survey (Tranche A and B) |
| File Identifier | The File Identifier is a code, preferably a GUID, that is globally unique and remains with the same metadata record even if the record is edited or transferred between portals or tools. | 3c188a4e-cffb-4cd8-84f5-99b4627d89e4 |
| Resource Identifier | This is the code assigned by the data owner. | TCE-2463 |
| Resource type | The resource type will likely be a dataset but could also be a series (collection of datasets with a common specification) or a service. | series |
| Start date | This describes the date the resource starts. This may only be the year if month and day are not known | 2012-05-25 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2012-06-08 |
| Frequency of updates | This describes the frequency with which the resource is modified or updated i.e. a monitoring programme that samples once per year has a frequency that is described as 'annually'. | continual |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | Forewind Ltd. contracted GEO to conduct a geotechnical site investigation including seabed Piezo-Cone Penetration Testing (CPTU) at the planned Offshore Wind Farm at Dogger Bank. The worksite for the present campaign is primarily Tranche B of Dogger Bank Zone located in the UK part of the North Sea. 80 tests were performed in Tranche B and 8 tests performed in Tranche A. In total 88 deep push seabed CPTUs with a target depth of 40 metres below seabed were carried out. On 6 of the locations an additional test (re-run) was performed. The objective of this geotechnical investigation is to provide CPT data for Tranches A and B of the Dogger Bank Zone, part of the UK Round 3 wind farm development. The investigation is aimed at groundtruthing and integrating with the geophysical data to allow a 3D GEO-model to be developed. The geotechnical offshore activities were carried out from the vessel Blue Alfa between 2012.05.25 and 2012.06.08. The operations were conducted on a continual 24-hour basis. This ESRI ArcGIS shapefile is also supplied which represents the CPT locations and provides attribute information of the results. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Seabed deployed CPTs were carried out from Blue Alfa using GEOs in house 20 t seabed CPT-rig GEOscope. The overall GEOscope system dimensions are; base plate diameter 2.4 m, height 3.4 m with a ballast of approximately 27 ton providing 200 kN thrust at seabed. The rig was handled by GEOs modular launch/recovery system from the frame installed over the moon pool. The CPTs were conducted in accordance with the ISSMGE International Reference Test Procedure for CPT (IRTP 1999). Tip resistance, sleeve friction, porewater pressure and inclination of the cone were recorded during each test. The cones used were of the standard Van den Berg 60-degree type with cross sectional areas of 10 cm². The cone geometry, filter and sleeve diameter, joint-widths and rods were in agreement with the IRTP recommendations. On all tests a friction reducer has been applied. All cones were calibrated in accordance with the Contract Specification and GEO procedures. In total 10 CPT cones have been used on the project. On all tests a friction reducer has been applied. The basic CPT thrust system is a hydraulic dual clamp system, applying continuous penetration and full control of the total thrust applied to the CPT rods. The GEO cone penetration velocity was 20 mm/sec. A hydraulic control system maintained the penetration rates in accordance with the requirements. |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Geotechnics |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Feasibility | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Zone search area | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Geology | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 55.2 |
| East | The eastern-most limit of the data resource in decimal degrees | 3.1 |
| South | The southern-most limit of the data resource in decimal degrees | 54.6 |
| West | The western-most limit of the data resource in decimal degrees | 1.5 |
| Responsible organisations | ||
| Role | The point of contact is person or organisation with responsibility for the creation and maintenance of the metadata for the resource. | pointOfContact |
| Organisation name | Forewind Ltd | |
| Phone | +44 (0)800 975 5636 | |
| info@forewind.co.uk | ||
| Role | The custodian is the person or organisation that accepts responsibility for the resource and ensures appropriate care and maintenance. If a dataset has been lodged with a Data Archive Centre for maintenance then this organisation is be entered here. | custodian |
| Organisation name | The Crown Estate | |
| Phone | +44 020 7851 5000 | |
| enquiries@thecrownestate.co.uk | ||
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | GEO | |
| geo@geo.dk | ||
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | The Crown Estate | |
| Phone | +44 020 7851 5000 | |
| enquiries@thecrownestate.co.uk | ||
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Forewind Ltd | |
| info@forewind.co.uk | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/TCE-2463/summary |
| Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk | |
| Dataset constraints | ||
| 20.1 Limitations on Public Access - Access constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 20.2 Limitations on Public Access - Other constraints | There will be no limitations when published on the Marine Data Exchange | |
| 21.1 Conditions for Access and Use - Use constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 21.2 Conditions for Access and Use - Other constraints | This states any constraints on use of the data. Multiple conditions can be recorded for different parts of the data resource. If no conditions apply, then `No condtions apply` is recorded. This uses free text. | Data Must be used in accordance to the Marine Data Exchange's Terms of Use: https://www.marinedataexchange.co.uk/content/info/terms-of-use |
| Version info | ||
| Date of publication | The publication date of the resource or if previously unpublished the date that the resource was made publicly available via the MEDIN network. | 2022-03-15 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-25 |
| Metadata date | The date when the content of this metadata record was last updated. | 2026-04-24 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | 3.1.2 |