Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Civil Engineering

Water Treatment plants are deemed important fundamentals for human living and development.They receive considerable attention to ensure they have steady performance under a lot of conditions.There are many causes of failures that occur in water treatment plants.The most important of these, are the inefficiency of the plant in producing the quantities of water that have the required quality of water standard specifications.Therefore, it is important to develop methods that reduce errors which may have a negative impact on consumer health and the environment.This can be done by identifying the various dangerous events that may have an impact on the service, and the associated risks. This research aimed to present an approach which used in maintenance of WTP. For that this research passed on three main phases. First phase, the risk factors on WTP maintenance process are identified in the first phase through the use of expert opinions as well as previous research in the same field. This phase resulted in the presence of 20 risk factor with high impact on WTP maintenance process which lead to major 12 events for WTP failure

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