Energy technology

Solutions for Retrofitting, Decommissioning and Dismantling

Energy technology

Solutions for Retrofitting, Decommissioning and Dismantling

Our Services

Simulation Methods

used in seismic qualification

Ensuring the stability, integrity and functionality of facilities and assemblies in earthquake-prone regions requires verification under seismic-specific loads. We employ computational methods, such as the Finite Element Method (FEM), to assess the capability of mechanical structures. Your benefits include:

  • Support during the early design phase
  • Component optimization
  • Computational strength assessment
  • Possibility of transferring FE model properties from previous projects to new products via model updates
  • Cost-effective comparison of the effects of different response spectra

Our Services in Seismic Engineering

  • Consulting and development of seismic design concepts
  • Derivation of seismic load assumptions from (inter)national standards (IEEE693-2005, KTA 2201.4, DIN EN 1998-1, IEC 980, IEEE 344-2004)
  • Computational modal, frequency response, transient and response spectrum (shock response) analyses
  • Comparison of FE models on the basis of test results
  • Fatigue strength assessment according to current guidelines (e.g. FKM guideline, VDI2230, VDI2014)
  • Component and system testing

Emission Monitoring

Room and exhaust air monitoring systems in nuclear facilities must consistently align with current scientific and technological standards, as well as applicable regulations. The transition to decommissioning, or the decommissioning phase itself, often features very unsteady ventilation conditions. These changes necessitate the adaptation or renewal of monitoring systems. Variable airflow rates, shifts in aerosol particle distribution due to dismantling activities or a rigid monitoring system layout that does not accommodate the ddismantling concept are just a few of the challenges.

Our Services

  • Concept development for an optimized emission monitoring system
  • Theoretical estimation and calculation
  • Implementation planning for new pipelines, extraction equipment and measuring devices, considering all relevant conditions, parameters, standards and guidelines
  • Qualification of sampling locations and sampling lines according to DIN ISO 2889
  • Qualification and calibration of exhaust air volume measurement in accordance with ISO 10780
  • Support during the implementation of conversion and commissioning measures
  • Preparation of technical and nuclear regulatory application documents

Application of Virtual Reality

  • Optimisation of the process flow through the visualisation of the process planning, site maps or scenario analysis
  • Design support for technical components through 3D virtualisation
  • Training and education of personnel on new concepts and innovative systems
  • Virtual representation of documentation and planning projects
  • 3D models for publications and public relations
  • Fast and efficient recording of the environment through photos and subsequent development of object-based 3D as-built models
  • Creation of semantisable BIM models
  • Networking of multiple operators and/or AI operators
  • Environment simulation (light/weather)
  • Flexible and rapid design of scenario variations
  • Simulation of real processes (physics engine) and integration of additional simulations (e.g. terrain flooding)
  • Fast integration of existing models into a VR environment
  • Visualized databases

References

  • Niederaichbach: Complete Decommissioning to a Greenfield Site

    We provided comprehensive support throughout all phases of decommissioning and disposal of nuclear units - from consulting on required dismantling technologies and licensing procedures to delivering qualified expert assessments.

    Requirement

    • Testing and evaluation of the mechanical dismantling of metallic components during the decommissioning and disposal of the Niederaichbach nuclear power plant.

    Results

    • Support for the production of dismantling technology with partial inspections and approvals
    • Assembly support and testing with approvals at KKN
    • Inspection & acceptance for quality assurance with the addition of own controls
    • Demolition support until buildings were measured for clearance

    Solution

    • Concept & planning review
    • Partial report on the "Mechanical dismantling of the metallic components" in accordance with the specifications from the safety report
    • Execution of all preliminary tests and approval for production
    • Technical inspections & acceptance tests at the manufacturing site (machinery and control systems)
    • Assembly support at KKN, including testing and approvals
    • Dismantling monitoring and comprehensive documentation

    Added value

    • Independent expert assessment services
    • Technical support for dismantling technology - from the conceptual phase to the end of its use

     

  • Emission Monitoring

    Qualification of the sampling system for emission monitoring


    Requirements

    • Qualification of the sampling system for the exhaust air monitoring system in KKP1 or also KKP2
    • Periodic inspection (WKP) of the total loss factor
    • Qualification of the sampling level & adaptation of the system


    Results

    • Identification of the relevant parameters for the sampling system
    • Characterization of the system-specific emissions
    • Compliance with regulatory standards (KTA 1503.1)
    • Metrological verification and acceptance of the sampling system


    Solution

    • Metrological verification of the total loss factor
    • Update of the test instruction
    • Verification of the overall system after changes to the operating parameters
    • Verification of the sampling level
    • Adaptation & acceptance of the extraction system


    Added value

    • "Clean & precise" approach to metrological qualification
    • Results fully compliant with regulations and standards, using a recognized procedure
    • Tailored advice on system-specific or on-site requirements

     

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