![]() A methodology to evaluate water and wastewater treatment plant reliability. ![]() Development of a risk assessment based technique for design/retrofitting of WWTPs. Assessment of WWTP design and upgrade options: Balancing costs and risks of standards’ exceedance. Quantitative risk analysis tool for design/simulation of wastewater treatment plants. In Environmental Management Elsevier Inc.: Amsterdam, The Netherlands, 2017 pp. Multi-criteria analysis of wastewater treatment plant design and control scenarios under uncertainty. Analysis of errors from reliability measures estimation methods for municipal systems on example of water supply. The authors declare no conflict of interest. Currently, there is a lack of unified procedures for managing risk at sewage treatment plants. The introduction of procedures, which are going to be developed, will facilitate the management of municipal wastewater treatment plants. These weights are necessary to define strategies to minimize risks and to prepare the risk management procedures in sewage treatment plants. They will be assigned to individual devices based on their impact on the quality of treatment plant operations. Based on the results obtained, the next stage of research is to develop appropriate weights for individual technological line devices. In the framework of a larger project, this article presents only a fragment of research, the purpose of which is to look at sewage treatment plants as one organism. Research to date has focused on risks associated with environmental pollution with chemicals and their impact on the functioning biological part of a sewage treatment plant and on the effects of discharge of such treated wastewater to receivers (rivers). Only two events (emergence of filamentous bacteria in an activated sludge chamber, which occurred 41 times, and electrical power outage, which occurred once ), posed a greater threat to operation of the treatment plant, and therefore, they are in the area of tolerated risk. ![]() Almost all of the identified hazards are in the area of acceptable risk (30 events that occurred 72 times ), which proves the proper functioning of the municipal wastewater treatment plant. Figure 3 presents 32 events that occurred 114 times. The unacceptable risk area is represented by the red color, corresponding to the events that require immediate response from staff and relevant services, regardless of cost. The area of tolerated risk is marked in yellow these events require a response from the staff, but those actions do not have to be taken immediately. Thank you all again for everything and, please, let me know how you like it :)! Any kind of a feedback is very important for me.The green color in Figure 3 is an acceptable risk area-these are events that do not require a reaction from the operator, and their effects are removed during the normal work of the personnel. While I cannot thank you enough, it is at least something more from me :). ![]() Users will gain access to a hidden text chats (one of those is for putting more info from the project development process)Ĭontributors will have a bigger affect on features implementation priority Users will be highlighted at the top of the Discord user list I've also decided to create a "Contributor" role in project Discord for project supporters and people donating. * New coordinates format * Markers add/edit from now supports new coordinates format, which looks like this: * Unit of measure * Users can choose trhe type of measure unit (metric or imperial). * Reticle * Users can now toggle on/off an reticle and use it to measure distances in an other way (it will be visible in the center of the map). * Ruler * From now on, users can measure distances on the map :). Hello everyone! I got an another update of for you :).
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