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Concrete Blocks and Assemblies for existing Zapp Shelters

Sellafield Ltd

This public procurement record has 2 releases in its history.

Award

16 Oct 2026 at 11:54

UK6 - Contract Award Notice
Award

15 Oct 2026 at 11:51

UK5 - Transparency Notice
Summary of the contracting process

Sellafield Limited procured concrete blocks and assemblies to frame existing Zapp shelters at the Sellafield waste processing facility. The supply includes interlocking concrete block bays, 2.4 metres high, for existing shelters in several configurations, with spreader and flat-top blocks and galvanised valley gutters and outlets. It also covers a new 12-metre-wide shelter, mounting brackets and fixings, partial end walls, anchor assemblies and conversion kits for existing 10- and 12-metre shelters, including off-site welding. The requirement is for goods and associated delivery, supporting the use of containerised shelter units already procured to bespoke dimensions. Delivery is in the United Kingdom; the facility is at Sellafield.

The procurement is complete and was awarded to Paragon Protection Systems Ltd. The award date was 15 October 2026, and the contract period runs from 30 October 2026 to 31 March 2027. The awarded value is £558,582 excluding VAT (£670,298.40 including VAT). It was a direct award, justified by the need for compatibility with bespoke existing shelters and to avoid design changes, maintenance complexity, cost, schedule and technical risks; the buyer considered competition inappropriate. The requirement was structured as one lot, suitable for small and medium-sized enterprises. The published outcome records the award as pending, with contract signature scheduled for 28 October 2026.

This award shows demand at Sellafield for engineered concrete bay assemblies and shelter mounting components that fit existing, bespoke Zapp shelter installations. A credible supplier for a comparable requirement would need to supply interlocking concrete blocks in the required configurations, accurately matched brackets, anchors, fixings and conversion kits, and galvanised drainage components. The work also calls for delivery coordination and off-site welding capability. Relevant experience would include designing or supplying components to established dimensions and specifications, and demonstrating that replacements or additions can be integrated without compromising compatibility, standardisation or maintainability of existing assets. The direct award rationale makes technical fit with the installed shelters central to the buyer’s decision; suppliers with evidence of equivalent system knowledge and reliable production across multiple shelter configurations would be best placed to compete if this requirement returns to market.

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Notice Information

Notice Title

Concrete Blocks and Assemblies for existing Zapp Shelters

Notice Description

Supply and delivery of blocks for framing the existing zapp shelters (originally procured as containerised units) for use on the Sellafield waste processing facility. Consisting of: Quote ref A20260501 Concrete bays for 7 and 8: Interlocking concrete block bays (7 & 8): 21.6m x 12.4m external dimensions, suitable for 2no 10m x 12m Zappshelters 2.4m high Spreader blocks on the base course of side walls Flat top blocks on the top course Galvanised valley gutter & outlet Quote ref A20260511 Concrete bays for 1-3: Interlocking concrete block bays (1-3): Suitable for 3no 12m x 12m Zappshelters 2.4m high Spreader blocks on the base course of side walls Flat top blocks on the top course Galvanised valley gutter & outlet Quote ref A20260515 Concrete bays for 4-6: Interlocking concrete block bays (4-6): Suitable for 1no 10m x 12m and 2no 12m x 12m Zappshelters 2.4m high Spreader blocks on the base course of side walls Flat top blocks on the top course Galvanised valley gutter & outlet Quote ref A20260516 New 12m wide x 12.2m long Zappshelter, with block mounting kits and a rear partial end-walls for 8no Zappshelters: 12m wide x 12.2m long Mounting brackets, galvanized, including fixings 12m partial end wall 10m partial end wall Quote ref A20260517 Lego block brackets and conversion kits required for existing 10m and 12m wide Zappshelters: Anchor assemblies suitable for mounting to lego blocks Mounting brackets, galvanized, including fixings Off-site welding

Procurement Information

The blocks are required for existing containerised tents that have already been procured to bespoke dimensions and specifications. Procuring from an alternative supplier could introduce compatibility issues, require design modifications, and increase maintenance complexity. This would create unnecessary cost, schedule, and technical risks while potentially impacting the performance and standardisation of the existing assets. Therefore, competition is not considered appropriate in this instance. This procurement is in accordance with PA23, Schedule 5, Paragraph 6.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-078860
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/097872-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Direct
Procurement Method Details
Direct award
Tender Suitability
SME
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

CPV Codes

44112100 - Shelters

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
£558,582 £500K-£1M
Contracts Value
Not specified

Notice Dates

Publication Date
16 Oct 20261 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
15 Oct 20261 weeks ago
Contract Period
30 Oct 2026 - 31 Mar 2027 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Pending
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Sellafield Ltd
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WARRINGTON
Postcode
WA3 6GR
Postcode Area
Warrington
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD6 Cheshire
Small Region (ITL 3)
TLD61 Warrington
Delivery Location
Not specified
Local Authority
Warrington
Electoral Ward
Birchwood
Westminster Constituency
Warrington North

Supplier Information

Number of Suppliers
1
Supplier Name

Paragon Protection Systems Ltd

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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