---
title: "DDP00503-LOT 1-13060-Calder SEAP Replacement - Main Works Contract"
ocid: "ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "CTM PORTAL FOR THE NDA SHARED SERVICES ALLIANCE"
published: "2021-08-20"
---

# DDP00503-LOT 1-13060-Calder SEAP Replacement - Main Works Contract

Buyer: CTM PORTAL FOR THE NDA SHARED SERVICES ALLIANCE  
Current stage: Award  
OCID: ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13.json)

## Summary

The procurement process involves a contract titled "DDP00503-LOT 1-13060-Calder SEAP Replacement - Main Works Contract" initiated by the CTM Portal for the NDA Shared Services Alliance. This contract falls under the industry category of Modular and Portable Buildings and includes related classifications such as Demolition and Construction work. The procurement method adopted is classified as ‘Other,’ and the process is currently at the Award stage, with the award date being 11th August 2021. The contract period is scheduled to commence on 6th August 2021 and conclude on 21st December 2022, and the total contract value is approximately £3,541,525, with a minimum value of £3,541,524.

This tender presents significant opportunities for companies involved in construction, demolition, and nuclear services, especially those with capabilities in modular buildings and site preparation. Businesses that possess experience in large-scale construction works and have expertise in nuclear safety services would be particularly well-suited to compete for this contract. Engaging in this procurement process could lead to growth in sectors related to nuclear decommissioning and construction services, capitalising on the resources and frameworks established by the CTM Portal for the NDA Shared Services Alliance.

## Notice

DDP00503-LOT 1-13060-Calder SEAP Replacement - Main Works Contract

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/dfe24295-57de-4526-b1ba-b6cfef16f4b9 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Other - |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 20 Aug 2021 |
| Submission deadline | 9 Jul 2021 |
| Future notice date | Not specified |
| Award date | 10 Aug 2021 |
| Contract period | 5 Aug 2021 - 21 Dec 2022 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £3,541,525 |
| Lots value | Not specified |
| Awards value | £3,541,524 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | CTM PORTAL FOR THE NDA SHARED SERVICES ALLIANCE |
| Locality | SEASCALE |
| Post town | Carlisle |
| Postcode | CA20 1PG |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD1 Cumbria |
| ITL 3 | TLD13 Cumberland |
| Local authority | Cumberland |
| Electoral ward | Gosforth |
| Westminster constituency | Whitehaven and Workington |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | COSTAIN OIL, GAS AND PROCESS LTD, T/A NEXUS DECOMMISSIONING ALLI |

## CPV Codes

### Divisions

- 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)
- 45 - Construction work
- 98 - Other community, social and personal services

### Codes

- 44211100 - Modular and portable buildings
- 45110000 - Building demolition and wrecking work and earthmoving work
- 45111000 - Demolition, site preparation and clearance work
- 45111100 - Demolition work
- 45111230 - Ground-stabilisation work
- 45251110 - Nuclear-power station construction work
- 98113100 - Nuclear safety services

## Release History

- 20 Aug 2021 at 13:00 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/dfe24295-57de-4526-b1ba-b6cfef16f4b9

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/dfe24295-57de-4526-b1ba-b6cfef16f4b9
  20th August 2021 - Awarded contract notice on Contracts Finder
- https://sharedsystems.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=13439&B=SELLAFIELD
  Additional data
- https://sharedsystems.eu-supply.com/ctm/Company/CompanyInformation/Index/3510
  User / Company

## Notice URLs

- https://www.gov.uk/government/case-studies/shared-services-alliance-ssa-for-nuclear-decommissioning-estate

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-8a94fa6c-858e-406a-9760-4225eab79c13.json.