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Metadata: 2015, EGS, Inner Dowsing, ID16 and ID24 Turbine Clearance Survey
Abstract:
EGS (International) Ltd, on behalf of Centrica, undertook a Side-Scan Sonar (SSS) and Multibeam (MBES) clearance survey centered on the no cable zones (500m by 500m) around WTGs ID16 and ID24 on the Inner Dowsing Site which is located in the southern North Sea, approximately 5km off the coast of Lincolnshire near Skegness. The areas surveyed were identified by Centrica for the upcoming works on the aforementioned turbines and respond to the need to have a jack-up vessel in the locality to complete the works. This report details the operations and results of the survey around all turbines. The work was to ensure the Jack-up vessel jacks up safely within the ‘No Cable Zone’ at each of the three turbines, a geophysical clearance was carried out over a 500m by 500m survey area centred on the No Cable Zone. The primary objectives of the survey were to: - Acquire bathymetric data with 100% coverage within the pre-defined survey area - Acquire side-scan sonar data with 100% coverage within the pre-defined survey area - Use the acquired side-scan sonar and bathymetric datasets to identify obstructions which could impede the arrival of the Jack-up vessel, specifically, existing Jack-up rig foot prints, significant objects and man-made features on the seafloor
Data holder:
The Crown Estate
| Other details | ||
| Internal code | Internally assigned metadata identifier | 19333 |
| 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. | 2015, EGS, Inner Dowsing, ID16 and ID24 Turbine Clearance Survey |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | ID16 and ID24 Turbine Clearance Survey |
| 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. | a9e5388d-b0d0-45e4-b3e2-03eb9725e3d0 |
| Resource Identifier | This is the code assigned by the data owner. | TCE-721 |
| 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 | 2015-03-18 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2015-03-24 |
| 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'. | notPlanned |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | EGS (International) Ltd, on behalf of Centrica, undertook a Side-Scan Sonar (SSS) and Multibeam (MBES) clearance survey centered on the no cable zones (500m by 500m) around WTGs ID16 and ID24 on the Inner Dowsing Site which is located in the southern North Sea, approximately 5km off the coast of Lincolnshire near Skegness. The areas surveyed were identified by Centrica for the upcoming works on the aforementioned turbines and respond to the need to have a jack-up vessel in the locality to complete the works. This report details the operations and results of the survey around all turbines. The work was to ensure the Jack-up vessel jacks up safely within the ‘No Cable Zone’ at each of the three turbines, a geophysical clearance was carried out over a 500m by 500m survey area centred on the No Cable Zone. The primary objectives of the survey were to: - Acquire bathymetric data with 100% coverage within the pre-defined survey area - Acquire side-scan sonar data with 100% coverage within the pre-defined survey area - Use the acquired side-scan sonar and bathymetric datasets to identify obstructions which could impede the arrival of the Jack-up vessel, specifically, existing Jack-up rig foot prints, significant objects and man-made features on the seafloor |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | All horizontal positions are provided as UTM 31N coordinates. All vertical positions are provided as heights relative to LAT (Lincs) and CD (L&ID) as defined by the United Kingdom Hydrographic Office Vertical Offshore Reference Frame (UKHO VORF) model. The sections below detail the acquisition systems used during survey operations and the onsite data processing methodologies. A brief summary of the calibration/verification procedures for each instrument is presented in this section; further details can be found in Appendix D - MBES and Positioning Calibration/Verification Report. The Applanix POS MV 320 was used as the primary navigation system onboard the vessel. The system provided positioning to the QPS QINSy navigation and Kongsberg SIS packages. The QPS QINSy navigation software provided the towpoint position to the SSS acquisition software. |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Sedimentary structure |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Side-scan sonar | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Bathymetry and Elevation | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Operation and Maintenance | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Renewable Energy Lease area | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Elevation | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 53.213957312194 |
| East | The eastern-most limit of the data resource in decimal degrees | 0.49066878909487 |
| South | The southern-most limit of the data resource in decimal degrees | 53.123513905485 |
| West | The western-most limit of the data resource in decimal degrees | 0.42957461203709 |
| 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 | Centrica Energy | |
| Position name | GIS and Data Manager | |
| L&ID.DocumentControl@centrica.com | ||
| 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 | EGS (International) Ltd | |
| info@egssurvey.co.uk | ||
| 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 | Centrica Energy | |
| simon.matson@centrica.com | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/TCE-721/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. | 2025-09-19 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-12 |
| Metadata date | The date when the content of this metadata record was last updated. | 2026-03-24 |
| 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 |