Contract awardedMooring buoys

Whitburn Outfall Buoy Replacement

The Coal Authority
East Midlands
Invited to quote
8 September 2025 to 3 November 2025

Supply and installation of a replacement outfall buoy and mooring system located approximately 1km offshore. The project requires specialist marine installation services, including the deployment of divers to secure the buoy and all associated fixings in accordance with current maritime safety legislation.

Open the official notice

Awarded value: £36k; As published
Published: 19 September 2025
Awarded: 3 September 2025; Seaserve Limited
Contract length: 2 months; Ends 3 November 2025

What the contract covers

Supply-and-installation works

Supply and installation of marine navigational buoys, mooring systems, and associated subsea fixings for coastal water treatment infrastructure.

Supply and installation of the buoy and mooring and all associated fixings for the outfall from the Mine Water Treatment scheme, approximately 1km offshore in the North Sea

Terms and requirements

Contract type: Supply-and-installation works
Procedure: Invited to quote
Initial term: 2 months
Contract dates: 8 September 2025 to 3 November 2025
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Not stated
CPV codes: 34515100, 63724310

Services in this contract

Aids to navigation, buoys and mooringsMain service£44k typicalSupply and installation of outfall buoy and mooring

Lifecycle

Published
19 September 2025
Contract awardedto Seaserve Limited
3 September 2025
Contract starts
8 September 2025
Contract ends
3 November 2025

The buyer

The Coal Authority

Type: Locked
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Recorded value: Locked
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The supplier

Seaserve Limited

Contracts won, 24 months: Locked
Value won, 24 months: Locked
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Main buyers

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Cite this contract

Link: https://bidskim.com/tender/1001362/whitburn-outfall-buoy-replacement
Buyer reference: CA18/05683
Open contracting ID: ocds-h6vhtk-059de1
Last checked: 5 November 2026

The Coal Authority. Whitburn Outfall Buoy Replacement. Contract award, 19 September 2025. BidSkim, https://bidskim.com/tender/1001362/whitburn-outfall-buoy-replacement (accessed 5 November 2026).