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Metadata: 2002, PMSS, Gunfleet Sands Offshore Wind Farm, HV Cable Landing Construction Techniques
Abstract:
This project covers the route research, analysis and conclusions in respect of land side HV cable installation for the Gunfleet Sands Offshore Wind Farm. The sea landing point has been carefully selected and directional drilling established as the least intrusive technique to achieve power transfer from sea to land. The cable can be installed without damage to the intertidal zone, without compromising sea defences or existing services and with minimum impact by installation activity being confined to the disused clay pit. Landside installation could follow several routes, but a quantitative comparison and weighting of impacts results in route 3 being the preferred option. The option of utilising overhead transmission lines has been dismissed due to visual impact. Considering the cable laying technologies available the impact of the work can be significantly mitigated by disciplined best practice for the open cut works and by applying trenchless techniques to specific sensitive/difficult locations such as SSSI, road, stream and rail crossings. Subject to detailed intrusive site investigations, and very favourable results, there are possible further mitigating approaches that could be reviewed and adopted. The most pertinent is to review trenchless technology implementation from the sea cable landing point to north of Holland Brook, and similarly from the east side of Holland Brook (on the south side of Great Holland Common Road) to the substation connection point. Works at the substation, including a new metering/switch room can be accommodated within the existing compound and will not disturb new ground.
Data holder:
The Crown Estate
| Other details | ||
| Internal code | Internally assigned metadata identifier | 4821 |
| 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. | 2002, PMSS, Gunfleet Sands Offshore Wind Farm, HV Cable Landing Construction Techniques |
| 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. | 6820296d45ac5e219112134e1ee9c01e |
| Resource Identifier | This is the code assigned by the data owner. | 1519 |
| 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 | 2002 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2002 |
| Spatial resolution | This describes the spatial resolution of the dataset or the spatial limitations of the service. | inapplicable |
| 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. | This project covers the route research, analysis and conclusions in respect of land side HV cable installation for the Gunfleet Sands Offshore Wind Farm. The sea landing point has been carefully selected and directional drilling established as the least intrusive technique to achieve power transfer from sea to land. The cable can be installed without damage to the intertidal zone, without compromising sea defences or existing services and with minimum impact by installation activity being confined to the disused clay pit. Landside installation could follow several routes, but a quantitative comparison and weighting of impacts results in route 3 being the preferred option. The option of utilising overhead transmission lines has been dismissed due to visual impact. Considering the cable laying technologies available the impact of the work can be significantly mitigated by disciplined best practice for the open cut works and by applying trenchless techniques to specific sensitive/difficult locations such as SSSI, road, stream and rail crossings. Subject to detailed intrusive site investigations, and very favourable results, there are possible further mitigating approaches that could be reviewed and adopted. The most pertinent is to review trenchless technology implementation from the sea cable landing point to north of Holland Brook, and similarly from the east side of Holland Brook (on the south side of Great Holland Common Road) to the substation connection point. Works at the substation, including a new metering/switch room can be accommodated within the existing compound and will not disturb new ground. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | The document covers the route research, analysis and conclusions in respect of land side HV cable installation for the Gunfleet Sands offshore wind farm. Extents covered by this report are from the meeting point of the directional drilling with the offshore cable trenching beyond the intertidal zone at approximate grid reference TM 216166 (approximately 250 m out from the existing coast defences at Holland Haven), up to the proposed connection point to the local electrical network within the existing substation. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Presentation type: digital representation of a primarily textual item (can contain illustrations also) Supply media: 002 Origin: PMSS |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Consenting |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Offshore Cable Corridor | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Onshore Cable corridor | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Onshore Substation | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Cable Landfall | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network | |
| Keyword title | MEDIN | |
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network |
| Keyword title | MEDIN | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 51.752910014735 |
| East | The eastern-most limit of the data resource in decimal degrees | 1.2609909324585 |
| South | The southern-most limit of the data resource in decimal degrees | 51.710526813632 |
| West | The western-most limit of the data resource in decimal degrees | 1.1822141549296 |
| 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 | DONG Energy | |
| Position name | Project Manager | |
| Phone | +45 99 55 11 11 | |
| Delivery point | Kraftværksvej 53, Skærbæk, 7000 Fredericia, Denmark | |
| info@dongenergy.com | ||
| URL | www.dongenergy.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 | |
| Delivery point | 16 New Burlington Place | |
| Postal code | W1S 2HX | |
| City | London | |
| Country | United Kingdom | |
| enquiries@thecrownestate.co.uk | ||
| URL | http://www.thecrownestate.co.uk | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | PMSS Partnership | |
| Phone | unknown | |
| unknown | ||
| Resource locators | ||
| Locator URL | Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk/details/516/summary |
| Web address (URL) that links to the resource | https://www.marinedataexchange.co.uk | |
| Dataset constraints | ||
| 21 Conditions for Access and Use - Use limitation | 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. | no conditions apply |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | DOC |
| 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. | 2002-09-07 |
| Date of creation | The date that the resource was created. | 2002 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-19 |
| Metadata date | The date when the content of this metadata record was last updated. | 2008-04-14 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN Discovery Metadata Standard |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | Version 2.3.5 |