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BS Steels Certificate of Conformity of Factory Production Control, up to and including Execution Class 3

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CE EXC3 certificate BS Steels

What this means for BS Steels and our clients

For BS Steels and our clients, there are two main aspects of EU legislation on CE marking:

  1. sourcing and traceability of steel sections, consumables, and products such as bolts and resin;
  2. BS Steels’s execution capabilities in design, welding and fabrication.

BS Steels holds Execution Class EXC3, under the CE legislation. This is the level required for our business in the highways, railways and major structures areas, where higher performance is required to accommodate higher structural risks.

Accreditation for execution class EXC3 enables us to take on contracts requiring EXC1 and EXC2 (the category for most UK building projects).

Leading testing company Ultramag is working with BS Steels on an ongoing basis, providing in-house training and testing, as well as site weld testing.

Sourcing and traceability

CE marking of construction products was introduced back in the late-80’s, and enforced by the Construction Products Regulations 1991.

EU Legislation has been in place since 1st July 2013. All steel and products purchased by BS Steels is CE marked. This is the manufacturer’s responsibility.

However, in most cases, these products are not simply sold on by us in their original form or packaging. We therefore ensure that we provide documentation to provide traceability of the steel and products that we provide.

All our contracts and documentation take account of necessary standards covering materials, information, welding, bolting, fabrication, erection, protective treatments and quality control.

Contact Us

If you would like further information on CE marking, and BS Steels’s compliance, please contact Nicola Williams or Roger Slade.

A Guide to CE Marking

Below is a simplified explanation of CE marking as applied to steelwork fabricators such as BS Steels. It should not be relied upon as a comprehensive guide, but is provided as a framework to establish BS Steels’s procedures and compliance.

CE marking logoFor all fabricated structural steelwork delivered to site from 1 July 2014, there is a legal requirement under the Construction Products Regulation (EU) No 305/2011 of the European Parliament and of the Council of 9 March 2011 (‘CPR’) that it is CE Marked.

This places certain obligations on the client and the contractor:

  • the client, main contractor or engineer should appoint a steelwork contractor with an Execution Class equal to that required for the project. The Execution Class should be specified for the structure, the components and the details.
  • contract documentation should incorporate the necessary CE Marked requirements, which incorporate the obligations of BS EN 1090-1 and BS EN 1090-2 on the steelwork contractor.
  • the steelwork contractor must demonstrate its suitability for the contract and right to CE mark its products, by supplying the following three documents:
      1. Factory Production Control (FPC) Certificate, following procedures described in BS EN 1090-1, issued by a notified body.
      2. Welding Certificate – issued by a notified body.
      3. Declaration of Performance (DoP) – issued by the steelwork contractor.

      From these documents, the following can be established:

      • Declared performance – to ensure that the steelwork contractor meets or exceeds the Execution Class requirements for the project.
      • Base materials – declares that the steelwork contractor is covered for welding with material strength and subgrades up to and including those declared on the Welding Certificate.
      • Validity: both in terms of the certificate being still current and covering the period of the contract, and the validity of the notified body named on the certificate.

      Four-step process for establishing the necessary Execution Class:

      Definition of Consequence Classes: in other words, how significant could be the consequences of the building or structure failing? A tall, multi-occupied building or stadium would clearly have a higher consequence than say an agricultural storage unit.

      Definition of Service Category: considers the risk from actions to which the structure and its components may experience during erection and use. The stress levels in components in relation to their resistance are also taken into account. Most static buildings will be in the lower category, whilst the effects of vibrations from, for example, wind and crowds, would put structures such as road and railway bridges and stadia in the higher category.

      Definition of Production Category: considers the risk from the complexity of the fabrication of the structure and its components (which may have a different category than the overall structure). The eventual Execution Class is not, in fact, sensitive to the Production Category selected.

      Derive the Execution Class: using a matrix derived from BS EN 1090-2, of the Consequence Class and Service Category, the relevant Execution Class can be established, ranging from EXC1 (the least demanding class) to EXC4 (the most demanding, including special structures or structures with extreme consequences of a structural failure). For the majority of buildings constructed in the UK, EXC2 is the appropriate requirement. Note also that the relevant Annex of BS EN 1090-2 is classed as ‘informative’ rather than mandatory, meaning that the engineer has some discretion to base the selection of Execution Class on experience, provided they can support their decision.

      Procedures for the steelwork contractor to be able to CE Mark fabricated structural steelwork

      Steelwork contractors must declare performance to the System 2+ level of assessment (as described in Annex V of the CPR). This requires them to undertake:

      • Initial type-testing of the product
      • Factory Production Control (FPC), to include
        • implementation of FPC system procedures
        • appointment of a responsible welding coordinator
        • implementation of welding quality management system procedures
      • further testing of samples taken at the factory in accordance with the prescribed test plan.
      • They must also be assessed by a notified body that will carry out:

        • Initial inspection of the manufacturing plant
        • Initial inspection of Factory Production Control
        • Continuous surveillance, assessment and approval of Factory Production Control, which will typically include an annual audit to ensure continued competence to the declared Execution Class.

        The notified body will then issue a FPC certificate and Welding Certificate identifying the Execution Class that the steelwork contractor has achieved.