HDL operatives carrying out concrete scanning at M&S Distribution Centre

    Case Study

    Marks & Spencer Distribution Centre Ferro Scanning

    11,000+ sqm of reinforced concrete slab scanning delivered safely within a live operational facility — completed in a 10-working-day programme.

    Brief Summary

    HDL Structural Solutions was appointed to undertake extensive concrete scanning works at the Marks & Spencer Distribution Centre. The project involved scanning in excess of 11,000 sqm of reinforced concrete slabs to confirm concrete cover over reinforcement bars and identify any potential defects within the structure.

    The works were completed over a 10-working-day programme using Proceq cover meter technology, with all findings supported by detailed interpretive reporting directly correlating to each scanned slab area. All operations were carried out safely within a live operational environment using controlled traffic management measures to minimise disruption to site activities.

    HDL operative scanning concrete slab on site

    Background

    The project took place at the Marks & Spencer Distribution Centre as part of ongoing structural assessment and asset verification works. Due to the operational demands placed upon the facility, it was essential for the client to confirm the integrity and suitability of the existing reinforced concrete slabs.

    HDL Structural Solutions was engaged to provide non-destructive testing and scanning services to verify concrete cover over reinforcement, assess slab condition, and identify any potential defects that could affect the long-term performance of the structure.

    Given the importance of maintaining uninterrupted operations within the distribution centre, all works were required to be completed efficiently, safely, and with minimal disruption to the live environment.

    Requirement

    HDL Structural Solutions was required to undertake comprehensive reinforced concrete scanning works across in excess of 11,000 sqm of slab areas throughout the distribution centre facility.

    The scope of works included:

    • Non-destructive scanning of reinforced concrete slabs
    • Verification of concrete cover over reinforcement bars
    • Identification of potential defects or inconsistencies within the concrete structure
    • Correlation of scan results to specific slab locations
    • Production of detailed interpretive reports for each scanned area
    • Rapid turnaround of reporting to support the client's programme requirements

    All works were completed over a 10-working-day schedule while maintaining full operational safety within the live distribution environment.

    The reporting package provided clear and traceable data linked directly to each scanned slab location, enabling the client to accurately assess the condition and suitability of the structure.

    Proceq cover meter readings displayed on tablet during scanning
    Detailed scan data captured on Proceq cover meter equipment

    Constraints and Challenges

    The primary challenge associated with the project was undertaking large-scale scanning operations within a live and fully operational distribution environment. This required careful planning and coordination to ensure the safety of both HDL personnel and site operatives while minimising disruption to ongoing logistical activities.

    Additional challenges included:

    • Managing safe access to active operational areas
    • Coordinating works around vehicle and pedestrian movements
    • Identifying and accurately recording scan locations relevant to the reporting process
    • Maintaining programme efficiency across a large scanning area
    • Delivering clear and technically accurate reporting within tight turnaround periods

    To overcome these challenges, HDL Structural Solutions implemented controlled traffic management measures throughout the works and maintained continuous coordination with site personnel.

    A key project challenge involved ensuring that all scan data directly correlated with the reporting documentation. This was successfully addressed through the use of detailed and clearly structured interpretive reporting, allowing each scan area to be accurately referenced and easily understood by the client.

    Techniques and Hardware Used

    The scanning works were completed using Proceq cover meter equipment to accurately assess reinforcement cover depths within the reinforced concrete slabs.

    Techniques employed during the project included:

    • Non-destructive concrete scanning
    • Reinforcement location verification
    • Concrete cover measurement
    • Defect identification and assessment
    • Detailed area referencing and data correlation

    The use of Proceq cover meter technology enabled HDL Structural Solutions to efficiently scan extensive slab areas while maintaining a high level of accuracy and consistency across the project.

    To ensure clear interpretation of findings, all scanned areas were logged and referenced within detailed interpretive reports directly linked to the corresponding slab locations. This approach provided the client with a comprehensive and easy-to-follow assessment of the scanned areas and any identified concerns.

    Due to the live operational nature of the facility, traffic management control measures were implemented throughout the duration of the works to safely segregate scanning activities from ongoing site operations. All works were carried out with careful consideration for surrounding personnel, vehicle movements, and operational activities.

    Conclusion

    HDL Structural Solutions successfully completed in excess of 11,000 sqm of reinforced concrete slab scanning works within the agreed 10-working-day programme.

    Despite the challenges associated with working in a live operational distribution environment, all works were completed safely, efficiently, and with minimal disruption to site operations. Detailed interpretive reporting was delivered promptly to the client, providing clear and accurate assessment data for each scanned area.

    The project was completed to a high professional standard, and the client was extremely satisfied with both the quality of the work and the responsiveness of the reporting deliverables.

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    Contact Details

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    Management Centre, Faraday Way,
    Blackpool FY2 0JW

    HDL Structural Solutions has depots throughout the UK.

    Part of the Holemasters Demtech Ltd group – delivering specialist services across the UK since 1995.