Published date: 17 October 2025

Open opportunity - This means that the contract is currently active, and the buying department is looking for potential suppliers to fulfil the contract.


Closing: 31 October 2025, 5pm

Contract summary

Industry

  • Earthmoving and excavating machinery, and associated parts - 43200000

  • Earthmoving machinery - 43210000

  • Civil engineering machinery - 43310000

    • Excavating and earthmoving work - 45112000

    • Earthmoving work - 45112500

    • Hire of earthmoving equipment with operator - 45520000

Location of contract

Any region

Value of contract

£100,000,000 to £250,000,000

Procurement reference

C4N101112350

Published date

17 October 2025

Closing date

31 October 2025

Closing time

5pm

Contract start date

4 January 2027

Contract end date

8 December 2028

Contract type

Works

Contract is suitable for SMEs?

No

Contract is suitable for VCSEs?

No

Description

The scope of works for this package is the bulk excavation of made ground, alluvial material and crag sand from the Main Construction Area (MCA) and transportation to either the suitable material stockpiles or unsuitable material disposal areas within the Temporary Construction Area (TCA), to allow for the placement of backfill material for the nuclear plant building foundations. The scope will also include for all material testing required by the specification and the management of the stockpiles and unsuitable material disposal areas. The backfill placement (not part of this scope) will commence in available areas while the bulk excavation is still in progress within the MCA. The essence of the bulk excavation operation, together with the subsequent backfill placement, is to enable commencement construction of Units 1 and 2 on the earliest practicable dates.

The bulk excavation quantities, by type are:
Made Ground including Crag Sand - 912,000 m3
Alluvial Deposits, including peat - 914,000 m3
Crag Sand - 1,443,000m3

The key elements of the scope are:

Bulk Excavation:
Excavation and loading into transport vehicles (typically 45T all -terrain dump trucks) of made ground, alluvial deposits and Crag sand within the MCA.
Assessment of material suitability or otherwise (jointly with CWA) including testing as necessary.
Marshalling and management of vehicles and equipment within the MCA.
Maximising excavation of the three primary material types, recognising that excavation at the interface between layers will result in some mixing.

Transport and Discharge:
Transport to the storage or disposal locations within the TCA, using the segregated heavy haul road. This haul road will be managed by the CWA and will be used primarily by material-hauling vehicles for the bulk excavation works and backfilling operation.
Discharge as directed by the stockpile managers (management of the suitable material stockpiles and disposal areas will be by the CWA).
Testing to verify compliance with the specification, in accordance with the approved Quality Plan.
Shaping and compaction of stockpiles and disposal areas, in accordance with the specification and CWA direction

More information

Links

Additional text

It will be beneficial for you to describe your business as mush as possible and highlight where you can help us to achieve our values described above

How to apply

Follow the instructions given in the description or the more information section.

About the buyer

Contact name

Bryan Jenkinson

Address

90 Whitfield Street
London
W1T4EZ
UK

Telephone

07590353416

Email

bryan.jenkinson@sizewellc.com