During an exchange between all parties before the start of the work, called a Joint Prior Inspection (ICP),
each party first presents its operating procedure and the risk analysis for its own staff. Secondly, the
exchange makes it possible to establish the risk analysis on interference, or coactivity, between external
companies and the user company. The rules to be respected are then agreed to eliminate or reduce these risks.
There is not a single model of prevention plan because it must be adapted to the sites for which they are
carried out. However, you can find examples on the INRS (Institut national de recherche et de sécurité) :
intervention by external companies