{"id":555312,"date":"2025-01-06T17:54:58","date_gmt":"2025-01-06T17:54:58","guid":{"rendered":"https:\/\/uat.esri.com\/en-us\/industries\/blog\/?post_type=blog&p=555312"},"modified":"2025-01-14T23:32:57","modified_gmt":"2025-01-14T23:32:57","slug":"ewsu-cuts-turnaround-time-with-eos-gnss-and-arcgis","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/en-us\/industries\/blog\/articles\/ewsu-cuts-turnaround-time-with-eos-gnss-and-arcgis","title":{"rendered":"From Months to Moments: EWSU Cuts Turnaround Time with Eos GNSS and Expands GIS Access with ArcGIS Utility Network"},"content":{"rendered":"

Located in Indiana alongside the Ohio River, the city of Evansville is home to 115,749 people. Evansville Water and Sewer Utility<\/a> (EWSU) is dedicated to providing this community with high-quality, safe, and reliable water and sewer services.<\/p>\n\n

With the retirement of ArcMap and the Geometric Network, EWSU decided to migrate to ArcGIS Pro and ArcGIS Utility Network<\/a>. These software offerings enable solutions that boost operational efficiency, inform decision-making, and improve customer service.<\/p>\n\n

Addressing Location Inaccuracies<\/h2>\n\n

As EWSU transitioned its data from the Geometric Network to Utility Network, staff saw an opportunity to resolve widespread inaccuracies in their existing asset locations.<\/p>\n\n

\u201cAs we were thinking about moving to and taking advantage of [ArcGIS] Utility Network, we knew our source data had to be squeaky clean.\u201d<\/em><\/strong> \u2014 Ryan Key, GIS Manager, EWSU<\/p>\n\n

Taking six months to recapture data with high accuracy became a priority. Inaccurately mapped clusters of infrastructure, such as multiple water meters at one site, had made it difficult to locate individual assets during maintenance, annual inspections, and capital refresh projects.<\/p>\n\n

Additionally, responding to service requests with inaccurate locations often wasted time, with customer service representatives unable to access real-time customer data geospatially.<\/p>\n\n

Meanwhile, capital refresh projects\u2014which target the replacement of aging infrastructure and include design, construction, installation, and final as-built drawings\u2014sometimes experienced project-design delays due to the location inaccuracies. As a result, updating EWSU\u2019s geographic information system (GIS) could often take anywhere from months to a year. The utility\u2019s staff realized that, in addition to preparing them for the migration to Utility Network, remapping and rectifying their asset data could provide a host of additional immediate benefits.<\/p>\n\n

Implementing Arrow Series GNSS Receivers with ArcGIS<\/h2>\n\n

EWSU integrated real-time Global Navigation Satellite System (GNSS) technology. EWSU GIS manager Ryan Key was inspired to learn more about Eos Positioning Systems Arrow Series<\/a> GNSS receivers after hearing about their effectiveness from a GIS specialist and industry peer. As a firm believer in trying technology before buying it, Key decided to put the receivers to the test.<\/p>\n\n

\u201cI actually went out with our field crew and tested an Arrow receiver alongside some other receivers,\u201d Key said. \u201cWe did side-by-side comparisons of the location data, and in the end, Arrow won. Our decision really came down to the accuracy of the Arrow receiver and its quick integration with ArcGIS Field Maps.\u201d<\/p>\n\n

\"\"
By pairing Esri\u2019s ArcGIS Field Maps with Eos Positioning Systems\u2019 Arrow Gold GNSS receivers, EWSU captures asset locations in the field with centimeter-level accuracy. These positions are instantly synced to ArcGIS Online, making real-time updates accessible from the office.<\/figcaption><\/figure>\n\n

Since EWSU was already using ArcGIS software, integrating the Arrow receivers with ArcGIS Field Maps<\/a> was a huge advantage. Additionally, the receivers were device agnostic, meaning they could pair with the iOS devices field crews were already using.<\/p>\n\n

The utility purchased eight Arrow Gold<\/a> receivers with surveying range poles to distribute to field crews. For projects that needed only submeter accuracy, such as private development inspections, EWSU also purchased two Arrow 100<\/a> GNSS receivers to use in handheld configurations.<\/p>\n\n

\u201cIf we\u2019re going to collect data, why not have it as accurate as it could possibly be?\u201d Key said. \u201cWhen you get tight clusters of things like system valves, that accuracy is important.\u201d<\/p>\n\n

\"\"
An Eos Arrow Gold receiver mounted to a surveying range pole is ready for a day of data collection. Evansville Water and Sewer Utility field crews can now submit data in real time from the field by connecting to ArcGIS Field Maps on an iPad via Bluetooth.<\/figcaption><\/figure>\n\n

By pairing the receivers with ArcGIS Field Maps on their iPad, crews could instantly\u2014and accurately\u2014update asset locations from the field during inspections.<\/p>\n\n

Achieving Centimeter Accuracy with RTK Base Stations<\/h2>\n\n

While field crews mapped densely clustered infrastructure, Key wanted to ensure the highest accuracy possible. EWSU\u2019s in-house surveyor set up two real-time kinematic (RTK) base stations, which provide the differential corrections needed for centimeter-level accuracy. By connecting the Arrow Gold rover receivers to a base station, crews could achieve real-time, high-accuracy results.<\/p>\n\n

\u201cWe can cover most of the county with one base station,\u201d Key said. \u201cThe second acts as more of a redundancy if one becomes inoperant.\u201d<\/p>\n\n

In the Field: Training Non-GIS Employees with Ease<\/h2>\n\n

EWSU trained field crews on the new technology with minimal instruction\u2014even for those with no prior experience in high-accuracy data collection.<\/p>\n\n

The EWSU GIS team trains employees new to the technology on the hardware, software configuration, and actual data collection, all of which takes only about an hour. After the training, field crews receive a basic user guide for reference. Key noted that crews rarely need follow-up support.<\/p>\n\n

\u201cThe cool thing about this [GNSS] technology and the integration with Field Maps is that it is super user-friendly,\u201d Key said. \u201cIt\u2019s essentially plug and play.\u201d<\/p>\n\n

\"\"
Above left:<\/em> The EWSU operations team\u2014(left to right<\/em>) instrumentation and electrical technician Larry Smith, lead valve operator Shawn Williams, and instrumentation and electrical technicians Randy Norman and Kyle Murray\u2014poses with the Arrow Gold receivers. Above right:<\/em> EWSU GIS technician Aaron Krohn (left<\/em>) and GIS manager Ryan Key snap a selfie during field training.<\/figcaption><\/figure>\n\n

\u201cA lot of these guys had no GIS experience, and they transitioned to collecting data like ducks to water,\u201d Key said. \u201cThey get it and they love it.\u201d<\/p>\n\n

In the Office: Real-Time Updates with ArcGIS Dashboards and Utility-Wide GIS Accessibility with U-Net<\/h2>\n\n

Using dashboards created with ArcGIS Dashboards<\/a>, staff in the office visualize and analyze data collected in the field. Back at his desk, GIS technician Aaron Krohn monitors these dashboards to see the data collection in real time.<\/p>\n\n

\u201cI can look at everything our crews have collected and see those numbers update in real time,\u201d Krohn said. \u201cThey record the type of asset [and] its status as well as the fix type.\u201d<\/p>\n\n

\"\"
Krohn uses ArcGIS Dashboards to monitor the real-time mapping of water and sewer assets. EWSU\u2019s Field Data Dashboard (above<\/em>) displays the total number of water and sewer assets collected, their locations, fix types, and other details.<\/figcaption><\/figure>\n\n

Using ArcGIS Dashboards, Krohn can respond to edit requests in real time. He can also use the new, accurate locations from the Arrow Gold receivers to correct outdated infrastructure from previous plans.<\/p>\n\n

EWSU also built a custom ArcGIS Utility Network web application, U-Net, by using ArcGIS Maps SDKs<\/a>, a collection of developer tools used to create applications for mapping and spatial analysis. U-Net is a launching point for other teams to access information from GIS-related systems\u2014such as an asset management system, a CCTV application, a customer service portal, and historical drawings and as-built drawings\u2014all on a map. Non-GIS teams now use U-Net to view their information geospatially without having to open and navigate desktop GIS software. This expands the reach of GIS to teams that are not GIS professionals.<\/p>\n\n

\u201cWe\u2019re truly harnessing the service-driven architecture of [ArcGIS] Utility Network,\u201d Key said. \u201cIt\u2019s easier to send our colleagues a web URL than have everyone in our organization use a desktop GIS, which has too many bells and whistles for someone who wants to dive in and review, for instance, only customer service information on a map.\u201d<\/p>\n\n

To enable this service-driven, widespread information access, Key and Krohn have been diligently upgrading other systems and data and migrating them onto the cloud, via Microsoft Azure.<\/p>\n\n

\u201cOur thought process was, if we\u2019re going to go ahead and do this Utility Network migration, why not go ahead and move other applications to the cloud too?\u201d Key said.<\/p>\n\n

\"\"
EWSU\u2019s Field Data<\/em> map displays the locations of water assets collected with ArcGIS Field Maps and Arrow Gold GNSS receivers.<\/figcaption><\/figure>\n\n

Increased Accuracy and Efficiency<\/h2>\n\n

EWSU\u2019s new mobile mapping workflow has resulted in better accuracy in the utility\u2019s asset maps. This, in turn, has streamlined inspections and set a new standard for the utility\u2019s capital-refresh project timelines. EWSU now completes the as-built process in near real time, rather than up to one year later, thanks to field crews being able to map installations during on-site inspections.<\/p>\n\n

\u201cWe\u2019ve collected about 9,000 assets in as little as two years,\u201d Key said. \u201cAnd we can see those on the map in real time\u2014including maintenance holes, system valves, service connections, and other infrastructure assets.\u201d<\/p>\n\n

The increased accuracy of and access to Utility Network has even enabled EWSU staff to expand use of their GIS to contractors, especially those performing 8-1-1 underground-asset location requests for new development.<\/p>\n\n

Looking Ahead: GIS for All<\/h2>\n\n

In the future, EWSU plans to leverage tracing tools in Utility Network. Key envisions how this will simplify customer notifications in impact areas. During boil-water advisories, for instance, truck valve operators will no longer have to manually draw a polygon around the impact area. Instead, they can change the operation mode of a valve at two ends and immediately generate an impact-area polygon directly from their mobile devices. This will be powered by the squeaky-clean data and meticulous cloud environments that EWSU has already created.<\/p>\n\n

\u201cOur field crews who collected this data understand that what they did will ultimately end up making their lives easier in the future,\u201d Key said.<\/p>\n\n

The same workflow can be expanded to engineers to create impact areas for water-main replacements, part of the utility\u2019s capital refresh projects.<\/p>\n\n

Key emphasized that all of this is made possible thanks to the support of EWSU\u2019s executive leadership. Throughout the utility runs an understanding that technology enables EWSU to deliver a higher quality of service. That forward-thinking mindset allows the utility to push the boundaries of what is capable in terms of how and why staff serve customers.<\/p>\n\n

\u201cIt\u2019s all about customer service,\u201d Key said. \u201cHaving this type of accuracy in our system allows for greater response, reaction, and repair\u2014which translates to greater customer experience.\u201d<\/p>\n\n

Stay Connected with Esri’s Water Team<\/h2>\n\n

ArcGIS is an extensive information system that enables modernization of workflows with easy-to-use applications for the field and office. Strengthen your organization with smart water solutions that will increase efficiency and provide insight for decision-makers. Visit the Esri Water Utilities<\/a> web site for more information.<\/p>\n\n

Join the Water Utilities Community<\/a><\/p>\n\n

Follow #EsriWater on social media: X<\/a> | LinkedIn<\/a><\/p>\n\n

Subscribe to the Water Industry newsletter \u201cEsri News for Water Utilities and Water Resources<\/a>\u201c<\/p>","protected":false},"author":131,"featured_media":0,"parent":0,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1762],"tags":[451,4732,6002,1772,2202],"class_list":["post-555312","blog","type-blog","status-publish","format-standard","hentry","category-water-utilities","tag-arcgis","tag-gnss","tag-mobile-solutions","tag-operations","tag-utility-network","industry-water-utilities"],"acf":[],"yoast_head":"\nEWSU Cuts Turnaround Time with Eos GNSS and ArcGIS<\/title>\n<meta name=\"description\" content=\"Evansville Water and Sewer Utility improves data quality and workflow efficiency with ArcGIS Utility Network and Arrow Gold receivers.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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