Page 91 - Zero is Possible - Volume 2
P. 91

Port La Nouvelle Cement Plant
       Contact with

       Hazardous Energy

       Don’t let it spin:                                                                                    FRANCE  Cement

       block that fan!



       Opportunity            The device includes a
       Missing mechanical     lockable blocking pin to
       isolation device to block   keep it firmly in place.
       the fan impeller from
       unexpected movement.   Results
       Improvement required to   •  The fan can now be
       comply with our critical   properly isolated to
       control to avoid contact   control the electrical                                                Xavier Guesnu
       with hazardous energy.  and the kinetic energies                                                     CEO
                               before any intervention
       Solution                on the impeller.
       Installation of a simple   •  100% compliant with the
       mechanical isolation    critical control (Contact
       device to prevent the   with Hazardous Energy)
       fan from rotating. This
       involves reusing half of
       a coupling disc with the
       same diameter, securely                                                                         Raphaëlle Lebon
       attached to the main                                                                              Head of HSE
       motor shaft with a key.




                                                                                                           Contact with
                                                                                                          Hazardous Energy
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