Asset management system improves public works efficiency

Todd Halvorson, GISP | with 0 Comments

Asset management system improves public works efficiency

Improving efficiency was a top priority for the public works department at the City of Lexington, Minnesota. City personnel did not have access to current and accurate data and officials were looking for a system that would support better decision making. A GIS system capable of supporting the City's asset needs was essential.
The new asset management system achieves four key components.
  • GPS inventory of City infrastructure
  • Development of a GIS data design to support detailed infrastructure mapping
  • Detailed mapping effort capable of supporting as-built information access
  • Creation of a GIS application to support information needs for public works and administration departments
The project began with a comprehensive GPS inventory of sewer, stormwater and water infrastructure followed by an in-depth mapping effort to accurately map and attribute the City pipe systems. The data was collected using Trimble GPS systems and converted to ArcGIS database using database schemas (map layers and attributes) from Esri's asset templates.
GIS Design from Esri LGIM
As part of ongoing mapping efforts and to support a future need for utility locate calls in winter conditions, the City acquired a Trimble Geo 7 series mapping grade GPS to support field needs and to collect locations for mapping The GIS database design was taken from the Esri Local Government Information Model (LGIM)–a very detailed database that has the ability to support GIS use from simple mapping to providing engineering level details for City infrastructure.
The LGIM design automatically supports various application design requirements with access to functions and elements, such as pull-down menus, lists and other tools. Users have come to expect this level of automation in GIS apps. By using the LGIM framework, a high level, functional tool for City use MSA was provided at a fraction of the cost versus developing a custom system. 
Google Street view helps clients
After the GIS mapping was completed, a parcel and zoning web application was developed, using Esri's new Javascript-based, Web Application Builder, customizing it further to support the City's GIS needs. This application include unique code to allow the application the ability to use Google Street view tools within the GIS application. This provides City staff with site information, while working within the GIS toolset at the office.
After these administrative level layers were completed, user logins were implemented to control access and system editing functions to various user groups. The City viewers can access and view any City layer or system, including water and sanitary sewer. However, no editing abilities exist. The Public Works group has the same access with added editing functions.
Water utility layers are next
The next phase of the project will extend the water utility layers to include the GPS collection of shut-off valves to facilitate locate calls for the Public Works City staff. A municipal sign inventory also will be completed to meet federal sign management requirements.
GIS asset management provides solutions for many applications. For information, contact Todd Halvorson.

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