Our SAIF software for Preussen Elektra SAIF is an in-house software development to support building clearance. Based on a digital twin of the power plant and an intelligent assistance system, SAIF enables seamless, digital tracking of the building decontamination and clearance process. The software assists with every step of the process, enabling the intuitive and efficient planning and execution of building decontamination and clearance. It accompanies the user from the start of building decontamination and clearance through to completion of the automated documentation to prove that a room is ready for clearance.