| Title: | ArcGIS for Development of Unidirectional Flushing Programs |
| Authors: | Keith Hodsden |
| Date/Time | Wednesday, November 7 ~ 10:30 am - 12:00 pm |
| Abstract: | GIS and water distribution model integration has been used for years for hydraulic analysis, fire flow determination, water quality simulations and other engineering tasks. Water network hydraulic models have traditionally been used strictly by engineering professionals for master planning purposes. By combining hydraulic and water quality calculations with advanced spatial analyses inside ArcGIS, modeling is now employed in O&M functions outside the traditional master planning realm. The investment in developing detailed distribution system models can now be leveraged to improve daily operations and increase levels of service for consumers in addition to long range planning. ArcGIS-based water distribution modeling is now utilized for advanced operational tasks such as unidirectional flushing program (UDF) development. As opposed to traditional flushing, UDF has benefits including improving water quality, restoring hydraulic capacity of water mains, restoring disinfectant residual, reducing capital improvement costs, and more. UDF can also use up to 40% less water than conventional flushing methods. However, many utilities have been averse to implementing UDF due to the extensive planning required. This presentation focuses on ArcGIS-based software tools for streamlined UDF program development. A brief demonstration of how to use ArcGIS-based tools for UDF will be provided. |
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