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Safety engineering

Justifying Safety after Machine Modifications


Most machines undergo modifications throughout their lifetime in order to change the types or models they produce, to improve their productivity, reliability, profitability, obsolescence, etc. i9s assesses and justifies modifications to determine whether the changes are substantial or not and therefore whether or not the CE Marking has to be repeated as indicated by the current Machinery Directive.


The following Directives, standards and specifications help to determine whether a change is substantial or not:
  • 2006/42/EC Machinery Directive.
  • EN ISO 12100 Safety of machinery. General principles for design. Risk assessment and risk reduction.
  • BMA Abkürzung für Bundesministerium für Arbeit und Soziales. (German Ministry of Labour and Social Affairs).


Examples of a non-substantial change are shown below:


The documentation can be delivered:

  • In PDF digital format.
  • In Spanish. Other languages on demand.
Download Technical Sheet pdf (0,92 MB)

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