National Conteneur — Nuclear

Containers for the Nuclear Industry — Sale, Rental and Fit-Out

Containerized solutions for reactor outages, tool storage, control zones, temporary containment and document management on sites with strict safety requirements.

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    Sector expertise

    Nuclear logistics: traceable modules for sensitive zones and activity peaks

    Nuclear sites require rigorous organization: controlled access, documentation, cleanliness, safety, waste management and strict compliance with operator procedures. Needs increase sharply during reactor outages, maintenance operations or modification projects.

    The container provides temporary or long-term capacity to store, isolate, control or fit out a dedicated area. Each project must be scoped according to the site, the installation area, internal procedures and required documentation.

    • 56 reactorsFrench nuclear fleet in operation (EDF, 2024)
    • < 72 hContainer mobilization time for reactor outages
    • ISO 19443Nuclear quality standard applied to the supplier chain
    • ~3,000 hAverage duration of a reactor outage in France
    Industry applications

    Container uses in the nuclear industry

    Nuclear sites operate under strict ASN regulatory constraints, with short intervention windows and documentary traceability requirements imposed on every contractor. Shipping containers meet these requirements by offering modular solutions that can be deployed quickly, suited to both controlled zones and logistics support areas.

    Storage

    Tool storage for reactor outages

    Reactor outages mobilize a large amount of tooling, consumables and spare parts over a short period.

    Secure containers create temporary stores near the work areas. They make it easier to track inventory, separate batches and return equipment at the end of the operation.

    Industry use

    Containment airlocks and decontamination areas

    Transitions between zones, dirty work and certain maintenance operations require clearly separated spaces.

    A fitted-out container can serve as an airlock, preparation area or decontamination point depending on the site's procedures. Finishes are chosen to make cleaning and inspection easier.

    Industry use

    Collection and management of contaminated clothing (TLD)

    Clothing, PPE and consumables used in controlled zones must be collected without mixing with regular flows.

    A dedicated container organizes receiving, temporary sorting and traceability of bags or bins. It helps keep traffic areas clean and limits handling inside existing buildings.

    Recycling

    Storage of TFA waste (Very Low Activity)

    Very Low Activity waste requires an identified, enclosed temporary storage area compatible with the operator's procedures.

    A watertight, documented container can serve as a buffer volume before removal to the designated disposal channel. The configuration depends on the waste, its packaging and the site's rules.

    Industry use

    Radiological control stations (PCR)

    Radiological checks sometimes need to be located closer to a work site or a zone exit.

    A fitted-out module can house a control station, equipment storage, a waiting area or an operator space. It improves the clarity of flows during work phases.

    Industry constraints

    How containers meet the requirements of the nuclear sector

    • Traceability and documentation

      Each container can be identified, documented and assigned to a specific use. This approach makes inventories, prevention plans, access management and the traceability required by quality systems easier.

    • Modularity for reactor outages

      Needs rise quickly during reactor outages. Renting or providing modules makes it possible to add storage and work areas only for the period needed.

    • Strength and watertightness

      The steel structure, robust closures and the watertightness of the unit protect sensitive equipment. Fit-outs can be adapted to make cleaning, flow separation and access control easier.

    Container types

    The most commonly used container types in the nuclear sector

    The structural robustness of ISO containers — watertightness, mechanical strength, containment — makes them directly compatible with the safety requirements of Basic Nuclear Installations (INB). Their modularity allows the creation of scalable setups, from a simple tool storage room to a multi-compartment decontamination airlock.

    Formats dedicated to secure storage, temporary airlocks and controlled management volumes.

    • Photo illustrating Secure Dry container

      Secure Dry container

      The secure Dry container serves as a temporary store for tooling, parts, consumables and maintenance equipment. It makes locking, inventory and assignment by team or work site easier.

    • Photo illustrating Fitted-out container as containment airlock

      Fitted-out container as containment airlock

      The fitted-out container can become an airlock, preparation area or decontamination space depending on the site's procedures. Finishes are chosen to make cleaning, inspection and flow separation easier.

    • Photo illustrating TFA container and waste

      TFA container and waste

      The container dedicated to TFA waste serves as an enclosed, identifiable temporary volume before removal. Its configuration depends on the packaging, the traceability required and the operator's rules.

    Standards

    Nuclear sector standards and regulations to comply with

    • ISO 19443

      ISO 19443 strengthens the quality requirements for suppliers in the nuclear chain. A container that is identified, documented and assigned to a clear use helps ensure control over equipment and services.

    • ASN regulations

      ASN requirements and operator procedures govern safety, radiation protection and waste management. The container solution must be validated according to the zone, the use, the required documents and the prevention plan.

    • NF EN 13501 (fire reaction)

      Materials and equipment integrated into a fitted-out module must be selected according to the fire regulations applicable to the site. The steel structure of the unit provides a solid base, but each fit-out must be checked based on its use.

    Sector quote

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    FAQ

    FAQ: your questions about containers and the nuclear industry

    Find answers to the most common questions about our containers and services.

    Can a standard container enter a controlled area?

    Entry into a controlled zone always depends on the operator's authorization. The container must be clean, identified, documented and compatible with the site's procedures. We provide the technical information needed for this validation.

    How do I manage a container that has been contaminated?

    A container that has been used in a contaminated zone follows the operator's radiation protection and waste management rules. Control, decontamination, declassification or removal operations are governed by the site's procedures.

    What is the difference between TFA waste and FA-VL waste?

    TFA waste falls under dedicated very-low-activity disposal channels, while FA-VL waste has different management constraints. The temporary storage container must therefore be chosen according to the classification, packaging and operator procedure.

    Is it possible to rent containers for a reactor outage without a long-term commitment?

    Yes. Short-term rentals are suited to reactor outages and maintenance operations. Delivery, pickup and the number of modules are planned according to your intervention schedule.

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