Patent Document ID: 5440498
Application ID: 08058491
Patent Status: 1

Claim One:
1. A method for equipping a protected facility, such as a building, manufacturing site, or storage depot, with a security system comprising the steps of: a. creating physical zones within the protected facility; b. providing security elements to be located in the physical zones of the protected facility; c. associating a security rating with each of the security elements; d. providing means for tabulating identifiers for the security elements and values for the security ratings according to the physical zones; e. determining a value for the probability of security detection in each of the physical zones as a function of the security elements in each of the physical zones and the security ratings corresponding to the security elements in each of the physical zones; f. determining outcome probability values for the physical zones as a function of the probability values of detection and intrusion paths into the protected facility, and locating the outcome probability values on the tabulating means, the outcome probability values corresponding to the effectiveness of the security elements in the physical zones, this determining step including the substeps of (1) configuring an event tree within the tabulating means, the event tree having branches corresponding to the intrusion paths; and (2) locating the probability values along the branches of the event tree; and g. installing the security elements associated with the outcome probability values of step f, to equip the protected facility with the security system that was produced by the outcome of the step f.