Development of Fault Tree Diagram for the Production Line of a Soft Drink Bottling Company in Benin City, Nigeria

摘要

We developed and analyzed a Fault Tree Diagram for the production section/line of a soft drink bottling company in Benin City, Nigeria. A number of faults were identified in this study. One of these faults (basic event) had the following characteristic: "Bottle not full with content and has particle inside". Responses were obtained from employees as to the cause of this failure. The probability of occurrence of this event was computed, after comparing with the Kirsten model. On the whole, 20 logic gates (G1 - G20), 14 interconnecting basic events (primary failures: X1 - X14), 9 undeveloped events, (secondary failures: Z1 - Z9), and nine initiating events (H1 - H9), were used to construct the fault tree. The resultant Fault tree was drawn and validated with ten First-order cut-sets. It was a valid path of occurrence of the top events. The probability of occurrence obtained using Boolean algebra and the bottom up algorithm yielded 0.38.