Award of Calder SEAP Replacement Main Works Contract to Costain Oil, Gas and Process Ltd
CTM Portal for the NDA Shared Services Alliance · Awarded contract
AwardedAward of Calder SEAP Replacement Main Works Contract to Costain Oil, Gas and Process Ltd
Awarded 05 Aug 2021
Awarded05 Aug 2021
Value£3,541,524.68
RegionUnited Kingdom
CategoryEnergy & Environment
Ended 3y 11mo ago1y 5mo term
Awarded 5 Aug 2021Expired 21 Dec 2022
About
CTM Portal for the NDA Shared Services Alliance awarded a contract to Costain Oil, Gas and Process Ltd, T/a Nexus Decommissioning Alli, for the Calder SEAP Replacement - Main Works Contract.
The contract value is £3,541,524.68.
Similar open tenders12
TenderCloses
Civils Support for Nuclear Decommissioning in Scottish Region — Pre-QualificationConstruction
31 May 2028
Swimming and Spa Pool Plant Maintenance and Repair – North Ayrshire Council (3-Year Contract)Public Services & Welfare
27 Nov 2026
Civils Support for Nuclear Decommissioning – South West (Pre-Qualification)Construction
27 Jun 2028
Planned Gas Mains and Services Replacement and Associated WorksInfrastructure
31 Aug 2032
Civil Support Services for Nuclear Decommissioning — South East RegionConstruction
10 Feb 2028
NWL Framework for Low-Complexity MEICA Works on Water and Wastewater AssetsWater & Sanitation
25 Nov 2026
Framework Agreement for Supply of Gasket Kits for Plant and Switchgear Maintenance – NIE NetworksEnergy & Environment
04 Dec 2026
Replacement of Steam Boilers at MHRA Laboratories, South MimmsConstruction
20 Nov 2026
Building Works, Supplies and Specialist Consultancy for Repair and Maintenance ServicesConstruction
15 Oct 2028
In-Service Repair and Refurbishment of Main Circulating Water Pumps (MCWPs) for Naval Submarines — 5-Year Support ContractDefense & Aerospace
06 Mar 2027
UK National Nuclear Laboratory DPS for Operations, Site Work and Facilities Management (8 Lots)Construction
08 Jan 2029
Civils Support Services for Nuclear Decommissioning – Welsh Region (Pre-Qualification)Construction
31 Aug 2028
Other similar contracts12
Contract and supplierAwarded value
Early Contractor Involvement for Calder SEAP Replacement under DDP00516 Lot 1Energy & EnvironmentCostain Oil, Gas and Process Ltd, T/a Nexus Decommissioning Alli
$38,102.28
Calder SEAP Study Awarded to Integrated Decommissioning SolutionsConsultancy & LegalIntegrated Decommissioning Solutions
$74,438.4
Award of Calder Hall Electrical Works Decommissioning ContractEnergy & EnvironmentINTEGRATED DECOMMISSIONING SOLUTIONS
$646,766.08
Calder Electrical Works Yr 20-21 Awarded to Integrated Decommissioning SolutionsEnergy & EnvironmentIntegrated Decommissioning Solutions
$831,160.16
Calder Electrical Works Yr 21-22Energy & EnvironmentIntegrated Decommissioning Solutions
$1,149,051.33
Award of Calder IDS Management Team Contract to Integrated Decommissioning SolutionsConsultancy & LegalIntegrated Decommissioning Solutions
$1,215,346.85
Demolition of Site 1 - Phase 3 & 4ConstructionNEXUS Decommissioning Alliance
$863,719.99
Calder HEx 2 Stage 1 Study Awarded to Cumbria Nuclear Solutions LimitedConsultancy & LegalCumbria Nuclear Solutions Limited
$35,681
Calder Vertical Removals Decommissioning Contract Awarded to Integrated Decommissioning SolutionsMiscellaneousIntegrated Decommissioning Solutions
$449,324.1
De-Planting of Calder Vertical Fuel RouteEnergy & EnvironmentIntegrated Decommissioning Solutions
$551,073.71
Demolition and Removal of Superstructure at Main Contract Phase 2ConstructionIntegrated Decommissioning Solutions Ltd.
$18,398,237.9
Calder HEx 3 Study Awarded to Cumbria Nuclear Solutions LtdConsultancy & LegalCumbria Nuclear Solutions Ltd
$35,681
GovMarket
We do the hard work.
You win the work.
We find the tenders, read the documents and track who wins, so your time goes on bids you can win.
–open energy and environment tenders right now
–new in the last 7 days
–contracts awarded in the last 12 months
7 days free, then £36/GBP per month
Revenue from government work£312K won so far






