Notice Information
Notice Title
Provision of Offshore Geophysical and Geotechnical Survey Client Representation Services.
Notice Description
Provision of Client Offshore Representation onboard vessels undertaking marine geophysical and geotechnical surveys for HVDC interconnector cable route between Morocco and the UK. Survey route is approximately 3,800km.
Lot Information
Lot 1
Provision of Client Offshore Representation onboard vessels undertaking marine geophysical and geotechnical surveys for HVDC interconnector cable route between Morocco and the UK. Survey route is approximately 3,800km. The scope of the assignment will entail providing Client Offshore Representation related to the following works being undertaken by the Survey Contractor: 1) Nearshore and offshore geophysical and hydrographic survey; This survey is to be undertaken along the entire route. The shore-ends will use land-based observations at low tide and shallow draft vessel to ensure data coverage extends across the entire proposed cable route from beach to beach. This will consist of a survey using all of the following geophysical sensors - side scan sonar (SSS), multi-beam echo sounder (MBES), magnetometer, sub-bottom profiling, and grab sampling to support seabed interpretation. Supplementary geophysical and topographic survey methods will be used across the inter-tidal areas and up to the beach at the landfall(s) in each country. 2) UXO survey; Magnetometer survey to detect potential UXO 3) Nearshore and offshore geotechnical investigations; The geotechnical survey will aim to provide information of the characteristics of the subsea soils through core sampling of the seabed with Vibrocorer or Piston corer (3m or 6m below seabed); CPT tests of the seabed (3m or 6m below seabed); T-bar tests; dissipation tests; box coring; deeper boreholes (~25m) at landfall locations (nearshore/onshore) to inform potential HDD requirements; measurement of seabed temperature and conductivity; geotechnical laboratory tests (including carbon dating, x-ray) and tests of thermal properties soil samples. 4) Nearshore and offshore benthic investigations; The benthic survey components will investigate the baseline conditions. This is likely to consist of benthic grab sampling and drop-down camera imagery and laboratory work with chemical and benthic analyses. 5) Nearshore geotechnical boreholes. 6) ROV investigations; To investigate cables crossing locations providing depth of burial through cable-tracking sensors.
Notice Details
Publication & Lifecycle
- Open Contracting ID
- ocds-h6vhtk-0310df
- Publication Source
- Find A Tender Service
- Latest Notice
- https://www.find-tender.service.gov.uk/Notice/002629-2022
- Current Stage
- Tender
- All Stages
- Tender
Procurement Classification
- Notice Type
- Tender Notice
- Procurement Type
- Standard
- Procurement Category
- Services
- Procurement Method
- Selective
- Procurement Method Details
- Restricted procedure
- Tender Suitability
- Not specified
- Awardee Scale
- Not specified
Common Procurement Vocabulary (CPV)
- CPV Divisions
71 - Architectural, construction, engineering and inspection services
-
- CPV Codes
71354500 - Marine survey services
Notice Value(s)
- Tender Value
- £400,000 £100K-£500K
- Lots Value
- £400,000 £100K-£500K
- Awards Value
- Not specified
- Contracts Value
- Not specified
Notice Dates
- Publication Date
- 29 Jan 20224 years ago
- Submission Deadline
- 22 Feb 2022Expired
- Future Notice Date
- Not specified
- Award Date
- Not specified
- Contract Period
- Not specified - Not specified
- Recurrence
- Not specified
Notice Status
- Tender Status
- Active
- Lots Status
- Active
- Awards Status
- Not Specified
- Contracts Status
- Not Specified
Buyer & Supplier
Contracting Authority (Buyer)
- Main Buyer
- XLINKS
- Contact Name
- Stephen Kennedy
- Contact Email
- stephen@xlinks.co
- Contact Phone
- +44 7568101073
Buyer Location
- Locality
- BILLERICAY
- Postcode
- CM12 0EQ
- Post Town
- Chelmsford
- Country
- England
-
- Major Region (ITL 1)
- TLH East (England)
- Basic Region (ITL 2)
- TLH3 Essex
- Small Region (ITL 3)
- TLH37 Essex Thames Gateway
- Delivery Location
- TLI5 Outer London - East and North East
-
- Local Authority
- Basildon
- Electoral Ward
- Billericay West
- Westminster Constituency
- Basildon and Billericay
Further Information
Open Contracting Data Standard (OCDS)
View full OCDS Record for this contracting process
The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.
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