MAINTENANCE

Verification and maintenance are linked. - verification : «Operation that is dome to look for or determine if a technical solution is confirmed to what it should be while proceeding to investigations*». It is an agregated firm for verification that is doing this prestation. - Maintenance:»All actions allowing to maintain or to keep the SSI in status allowing it to be still operational» It is a certificated firm in maintanance that is doing this prestation. *Norme NF S 61.933