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Summary

OCID:
Published by:: Xlinks
Authority ID:: AA81778
Publication date:: 30 January 2022
Deadline date:: 22 February 2022
Notice type:: Contract Notice
Has documents:: No
Has SPD:: No
Has Carbon Reduction Plan:: N/A

Abstract

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.

Full notice text

Contract notice – utilities

Section I: Contracting entity

I.1) Name and addresses

Xlinks

Kingfisher House 1 Radford Way Billericay CM12 0EQ, 1 Radford Way

Billericay

CM120EQ

Contact person: Stephen Kennedy

Telephone: +44 7568101073

E-mail: stephen@xlinks.co

NUTS: UK

Internet address(es)

Main address: https://xlinks.co

Address of the buyer profile: www.xlinks.co

I.3) Communication

The procurement documents are available for unrestricted and full direct access, free of charge at:

https://www.delta-esourcing.com/tenders/UK-UK-Billericay:-Marine-survey-services./3D778DDT83

Additional information can be obtained from the abovementioned address

Tenders or requests to participate must be sent electronically to:

http://www.delta-esourcing.com

Tenders or requests to participate must be sent to the abovementioned address

I.6) Main activity

Electricity

Section II: Object

II.1) Scope of the procurement

II.1.1) Title

Provision of Offshore Geophysical and Geotechnical Survey Client Representation Services.

Reference number: 661790032

II.1.2) Main CPV code

71354500

II.1.3) Type of contract

Services

II.1.4) Short description

II.1.5) Estimated total value

Value excluding VAT: 400 000.00 GBP

II.1.6) Information about lots

This contract is divided into lots: No

II.2) Description

II.2.3) Place of performance

NUTS code:

UKI5

Main site or place of performance:

Outer London – East and North East

II.2.4) Description of the procurement

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.

II.2.5) Award criteria

Price is not the only award criterion and all criteria are stated only in the procurement documents

II.2.6) Estimated value

Value excluding VAT: 400 000.00 GBP

II.2.7) Duration of the contract, framework agreement or dynamic purchasing system

Duration in months: 12

This contract is subject to renewal: No

II.2.10) Information about variants

Variants will be accepted: No

II.2.11) Information about options

Options: No

II.2.13) Information about European Union funds

The procurement is related to a project and/or programme financed by European Union funds: No

Section IV: Procedure

IV.1) Description

IV.1.1) Type of procedure

Restricted procedure

IV.1.8) Information about Government Procurement Agreement (GPA)

The procurement is covered by the Government Procurement Agreement: No

IV.2) Administrative information

IV.2.2) Time limit for receipt of tenders or requests to participate

Date: 22/02/2022

Local time: 16:00

IV.2.3) Estimated date of dispatch of invitations to tender or to participate to selected candidates

Date: 28/02/2022

IV.2.4) Languages in which tenders or requests to participate may be submitted

IV.2.6) Minimum time frame during which the tenderer must maintain the tender

Duration in months: 6 (from the date stated for receipt of tender)

Section VI: Complementary information

VI.1) Information about recurrence

This is a recurrent procurement: No

VI.3) Additional information

For more information about this opportunity, please visit the Delta eSourcing portal at: