Execution of Steel Structures and Aluminium Structures

Motivation and benefits

The applicable version of EN 1090-1 entered into force in Austria on March 1, 2012. Like all the preceding editions, it obliges the metal working companies concerned to prepare declarations of conformity for their products and to guarantee their CE marking. The original end of the transition period for nationwide marking - July 1, 2012, - has been postponed by two years, i.e. to July 1, 2014. This postponement is to give the companies sufficient time to consistently implement the required  ctions. After this date, structural components made of steel or aluminium may only be put into circulation with CE marks.

This obligation applies to all the companies manufacturing such products.In this respect, the standard prescribes a compulsory certification of “internal production control”, i.e. a certain quality management system within the company.

According to ONORM EN 1090, it is necessary to demonstrate that all the structural components are produced in conformity to the respective requirements and the relevant classes of execution. This covers the most important Business fields in steel and aluminium construction:

  • purchasing
  • production in the workshop
  • subcontracting
  • instructions for assembly

If design and dimensioning also are among the Business areas, they will be incorporated into certification. The stipulations of ONORM EN 1090 also refer to all the supporting composite structures made of steel and concrete.

The qualityaustria certificates are adjusted to the requirements placed on the components produced and will thus be issued in a manner that is tailored to the needs of the respective companies.

Target group

Notwithstanding the company size, the type of the components produced and regional alignment of the business activities within the European Economic Area, all the companies dealing in steel and aluminium construction are subject to the rules for supporting structures, which are defined by EN 1090. These structures can be complete buildings and edifices or single parts integrated in higher-ranking supporting structures. The rules cover all the areas of building industry, e.g.

  • civil engineering
  • industrial construction
  • building of power plants
  • building of bridges
  • building of shelves
  • building of façades
  • building of railings
  • building of scaffolds and platforms
  • pipelines
Underlying standards

ONORM EN 1090 - Execution of steel structures and aluminium structures

  • Part 1: Requirements for conformity assessment of structural components
  • Part 2: Technical requirements for steel structures
  • Part 3: Technical requirements for aluminium structures
The way to the certificate

Identification of the actual state

The qualityaustria stocktaking basically consists in identifying the  ompany’s qualification level relating to conformity to the requirements placed by EN 1090, at the site. In the course of stocktaking, the company will be given hints as to where adaptations may be necessary.


The qualityaustria Pre-Audit consists in reviewing in detail at the site to what extent the company’s processes comply with the rules of EN 1090.
The audit particularly covers:

  • review of internal production control
  • identifying effectiveness of the overall system in order to prepare the employees of all areas and locations for the Certification Audit
  • selective on-site assessment of individual system aspects and deployments
  • identifying nonconformities
  • process planning for the Certification Audit (initial inspection)

Upon successful completion of the Pre-Audit, the company will be admitted to the qualityaustria Certification Audit (initial inspection).

Certification Audit (initial inspection)

The qualityaustria Certification Audit will be conducted at the site according to an audit plan prepared together. All the business areas, i.e.

  • purchasing
  • production in the workshop
  • subcontracting n instructions for assembly
  • possibly design and dimensioning

will be inspected while particularly considering internal production control and handling of the classes of execution that are applied for.

In the course of a Certification Audit, the auditors will go right to the  espective place where everything is going on. Selected samples will be used to conduct initial inspection while involving the employees respectively responsible. The goal consists in identifying conformity of the business processes to the specifications of the relevant parts of the Series of Standards ONORM EN 1090. After conformity has been stated, the company will be entitled to place the CE mark on the products manufactured.

The way after the certificate

According to EN 1090, Surveillance Audits will have to be conducted by the Certification Body after the Certificate has been obtained. The intervals of these audits are graduated and depend on the requirements placed on the products manufactured in the company. The qualityaustria Surveillance Audits follow the basic conditions underlying certification.


As for EN 1090, Quality Austria is, on the basis of relevant accreditation by the Federal Ministry of Digital and Economy Affairs, entered as a notified body in the NANDO List (NANDO = New Approach Notified and Designated Organisations) according to the rules of the European Building Products Directive.

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Our expert

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Mr. Alfred Leitner, MSc, MBA

Executive Vice President Sector Management Construction, Public Administration, RT05

+43 732 34 23 22