Western Link Interim Depth of Burial (DoB) Marine Survey

Concepts

• marine survey
• glasgow
• hunterston
• geophysical surveys
• geophysical survey
• interim depth of burial
• water depths
• western link interim depth of burial
• interim surveys
• dob

Location

United Kingdom:

Description

As part of the ongoing Operations and Maintenance, an interim depth of burial marine survey needs to be produced which is specific to the parts of the cable route which demonstrates industry best practice for bathymetric and geophysical surveys. The general requirement is for a marine bathymetric and geophysical survey along an approximately 390km route comprising two separated cables from Hunterston in Scotland to the Wirral, England over an approximately 80m wide corridor. The interim surveys are of areas of interest e.g. crossings, areas of mobile sediments and intense fishing etc. and comprise approximately 30-50% of the total route length.

Total Quantity or Scope

The general requirement is for a marine bathymetric and geophysical survey along an approximately 390km route from Hunterston in Scotland to the Wirral, England over an approximately 80m wide corridor. Data required shall include: MBES, SSS. Nearshore works shall include water depths of less than 10m LAT, Offshore areas involve water depths up to 170m LAT. A detailed bathymetric and geophysical survey along selected parts of the route is required, starting approximately in April/May 2023, concluding September/October 2023. Additional information: Applicants are advised that, for the purposes of the contracts, the Employers may award the contract to the successful applicant and may require the applicant to enter into a contract with a JV entity relating to the execution of the works and services being procured.

CPV Codes

• 71354500 - Marine survey services

Indicators

• This is a one-off contract (no recurrence)
• Renewals are not available.

Other Information

To register your interest in this procurement event and to obtain the pre-qualification documentation applicants are to email Rebecca.Pearson@nationalgrid.com using the wording 'Registering Interest for Western Link Interim Marine Survey' and include in the body of the message (if you have them) your Ariba AN number (network ID), name, email address and contact phone number for all contacts within your organisation who will need to receive Ariba messages and administer your online submissions. Following receipt of this information National Grid will invite you to the Ariba event where all of the pre-qualification documentation is contained including further instructions. ** PREVIEW NOTICE, please check Find a Tender for full details. **