Scope
Reference
UKRI-5276
Description
RRS Sir David Attenborough is an Ice class research ship that operates in the polar regions for UKRI research activities. The ship is very heavy towards the bow due to the ice strengthening. To correct the Ballast the ship requires 477 tonnes of lead ballast in the aft of the ship. The lead is to be inserted in man handleable blocks into a specially designed void space within the aft peak ballast tank.
The lead requires to be protected to prevent noise and vibration transmitting through the hull that would interfere with the acoustic equipment and create vibration.
Contract 1. UKRI-5276 Provision of Lead for Fixed Ballast, RRS Sir David Attenborough
Supplier
Contract value
- £1,933,519 excluding VAT
- £2,320,222.80 including VAT
Above the relevant threshold
Award decision date
18 November 2025
Date assessment summaries were sent to tenderers
20 November 2025
Standstill period
- End: 2 December 2025
- 8 working days
Earliest date the contract will be signed
3 December 2025
Contract dates (estimated)
- 4 December 2025 to 30 September 2026
- 9 months, 28 days
Main procurement category
Goods
CPV classifications
- 14712000 - Lead
Contract locations
- UK - United Kingdom
Information about tenders
- 1 tender received
- 1 tender assessed in the final stage:
- 1 submitted by small and medium-sized enterprises (SME)
- 0 submitted by voluntary, community and social enterprises (VCSE)
- 1 supplier awarded contracts
- 0 suppliers unsuccessful (details included for contracts over £5 million)
Procedure
Procedure type
Open procedure
Supplier
Calder Industrial Materials Ltd
- Public Procurement Organisation Number: PMLP-3629-BMLQ
C/O Calder Industrial Materials
Chester
CH1 4EX
United Kingdom
Email: tenders@calderlead.co.uk
Website: http://www.calderlead.co.uk
Region: UKD63 - Cheshire West and Chester
Small or medium-sized enterprise (SME): Yes
Voluntary, community or social enterprise (VCSE): No
Supported employment provider: No
Public service mutual: No
Contract 1. UKRI-5276 Provision of Lead for Fixed Ballast, RRS Sir David Attenborough
Contracting authority
UK Research & Innovation (UKRI)
- Public Procurement Organisation Number: PDQJ-7126-JDHG
Polaris House
Swindon, Wiltshire
SN2 1FL
United Kingdom
Contact name: Kate Richardson
Telephone: 01793 442000
Email: nercprocurement@ukri.org
Website: https://www.ukri.org/
Region: UKK14 - Swindon
Organisation type: Public authority - central government