Nuclear, Defence and Power

In the Nuclear, Defence and Power sectors, failure is not an option. The integrity of built assets is a matter of national security and public safety.

From the decommissioning of legacy nuclear sites to the maintenance of active naval bases and power stations, the requirement is for absolute structural reliability.

 

Engineering for High-Hazard Environments

In sectors defined by strict regulatory oversight and a zero-tolerance approach to risk, Structural Repairs provides the certainty you need. We specialise in the forensic diagnostics and physical remediation of critical assets within high-hazard environments.

Our methodologies are rigorously aligned with the safety standards set by the Office for Nuclear Regulation (ONR) and the Defence Infrastructure Organisation (DIO). This ensures that every repair we engineer directly supports the safety case and operational continuity of your facility.

Innovation in Hazardous Environments

When human access is limited by radiation or security protocols, standard repair methods fail. We innovate to bridge the gap between structural necessity and operational safety.

  • Remote & Robotic Delivery: We have developed methodologies for the remote application of repair mortars and coatings using robotic systems. This allows us to repair containment vessels and waste storage ponds while keeping our operatives in safe, low-dose areas, adhering to ALARP (As Low As Reasonably Practicable) principles.
  • High-Density Shielding Repair: Standard concrete does not stop radiation. We have formulated and tested bespoke high-density heavyweight concretes (using magnetite or barite aggregates) that allow us to repair shielding walls without compromising their radiation attenuation properties.
Non-Destructive Testing (NDT) survey for a utility company using the Elios 3 drone in confined spaces. Suitable for nuclear, defence and power applications

Environmental Jeopardy & Carbon Efficiency

The Decommissioning Challenge The environmental jeopardy in this sector is unique. Demolishing a nuclear facility or a hardened defence asset is exceptionally carbon-intensive and generates vast quantities of waste requiring specialist disposal. The “embodied carbon” locked within a reinforced concrete reactor building or a submarine dry dock is immense.

The Low-Carbon Life Extension We champion “Safe Store” and life-extension strategies, aligning with the long-term site management goals of the Nuclear Decommissioning Authority (NDA). By repairing and protecting the existing fabric, we preserve embodied carbon and avoid the colossal environmental cost of new construction.

Asset Longevity

Our cathodic protection systems can extend the life of cooling water intakes and reinforced concrete structures by 50+ years, aligning with long-term decommissioning or operational strategies.

Containment Assurance

By structurally sealing active leaks in bunds and storage ponds, we prevent environmental contamination and protect the local ecosystem from radiological or chemical harm.

Material Efficiency

We utilise advanced geopolymer mortars and low-carbon cement replacements where safety specifications allow, drastically reducing the Scope 3 carbon footprint of the repair itself.

Critical Assets We Work On

Nuclear Infrastructure
Civil & Decommissioning

  • Containment Repairs
    Structural crack injection and concrete repair to biological shields and reactor buildings.
  • Pond & Silo Maintenance
    Leak sealing and waterproof coating of fuel storage ponds and waste silos.
  • Cooling Towers
    Structural strengthening, concrete spall repair and coating of natural draught cooling towers.

Defence Estates
MoD/DoD

  • Hardened Structures
    Mitigating the risk of explosive damage through blast mitigation and ballistic defence upgrades, alongside the structural strengthening of reinforced concrete bunkers, ammunition stores, and command centres.
  • Marine Infrastructure
    Cathodic protection and concrete repair for naval dry docks, jetties, and submarine berths subject to aggressive chloride attack.
  • Airfield Pavements
    Rapid-set slab replacement and joint sealing for military runways and taxiways to guarantee strict FOD (Foreign Object Debris) prevention.

Power Generation
Grid & Renewables

  • Substations & Transformers
    Oil-tight bund lining and concrete repair to critical blast walls and fire separation barriers.
  • Hydroelectric Dams
    Spillway refurbishment, ground anchoring for scour protection, and high-pressure leak sealing of penstocks.
  • Wind Energy
    Specialist cementitious grouting and structural repair of onshore wind turbine bases and transition pieces.

Inspection, Survey & NDT

We provide the forensic assurance required by Nuclear Safety Cases and Defence Standards.

  • Cover Meter & Half-Cell: Mapping reinforcement corrosion accurately in safety-critical concrete structures.
  • GPR Scanning: Deploying Ground Penetrating Radar to locate deep voids, post-tensioned cables, and delamination in thick-section concrete (up to 2m depth).
  • Pull-Off Testing: Verifying the bond strength of coatings and repairs to stringent QA standards.
  • Leak Detection: Identification of leak paths in negative-pressure environments.

Why Partner with Structural Repairs?

  • Security Cleared: Our engineering personnel are vetted to SC and DV levels for immediate deployment on sensitive government and military sites.
  • Nuclear Safety Culture: Teams trained in human performance, error traps and nuclear safety awareness.
  • Quality Assurance: Absolute adherence to rigorous Inspection and Test Plans (ITPs) with full material traceability, conformant to ISO 9001 and defence sector standards.
  • Global Mobility: The logistical capability to deploy secure, self-sufficient engineering teams to overseas military bases and international energy assets.

Get Started

When security, safety, and structural integrity are non-negotiable, trust the team that understands the stakes. Deploy a security-cleared, nuclear-ready team to extend the life of your critical assets today.

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