utilizing gis for data management - esri · utilizing gis for data management with water utilities...
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Utilizing GIS for Data
Managementwith Water Utilities
Presented by Christen Callahan, GIS ANALYST
May 2018
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Overview
▪ City of DeLand
▪ Develop a document
management system and
enterprise GIS for water
utilities
▪ Using the Esri tools to
automate the processes
▪ Putting the data to work
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About DeLand
The city of DeLand is 18.8 sq. miles
▪ Founded by Henry A. DeLand in 1876
▪ Known as the “Athens of Florida”
▪ Home to the Stetson University
▪ Utility boundary: 90.3 sq. miles
▪ 36.2 sq. miles of existing utilities
▪ The water system is the largest containing
23,000 service connections
http://www.deland.org/Pages/DeLandFL_Heritage/DeLandHistory
Main street DeLand
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DeLand’s Needs
▪ Document and manage as-built
plans and record drawings
▪ A GIS based mapping system of
the City’s existing utilities
including:
– Sanitary Sewer
– Stormwater
– Potable Water
– Reclaimed Water
▪ Accessibility to view information
on desktop, tablet or mobile
device
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Reasons for the Project
Institutional
Knowledge Loss
Succession
Planning
City Utility
Size Increase
Information
In-the-Field
Locate
Requests
Better Customer
Service
Better Utility
Expansion Planning
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What we started with:
▪ Paper as-builts
▪ CAD Files
▪ Employee Institutional Knowledge
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Developing a GIS
Staged automation approach
▪ Scan source documents
▪ Build spatial inventory and
document management system
▪ Develop enterprise GIS
▪ Automate existing systems
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Scan Source Documents
Over 15,000 as-built plans and record drawings–dating back to 1927
Now available
on desktop in PDF
and JPG formats
3
Renamed with the
naming convention
chosen by the city
2
Paper drawings
were
scanned in
1
(Scanning by Melken Solutions)
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Build Spatial Inventory and Document
Management System
▪ Identify which of the 15,000 as-built plans
needed to be linked to the street
centerlines
▪ Essential for starting to build the
GIS networks
▪ Cataloguing these also help the city
maintain the historical records each street
▪ All of this information is available to
the city on their desktop as well as the
through their ArcGIS Online accounts
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▪ Create the GIS database including the geometric
networks properties, domains, and relationships for
the geodatabase
▪ Local Government Information Model (LGIM)–
an Esri database schema that allows you to easily
maintain public infrastructure.
– Contains pre-generated feature classes and fields you
would want in your database
– Uses industry best practices to organize and share
data within GIS datasets, web services, and maps
▪ Utilize geometric network editing tools to
streamline the data verification process
Develop an Enterprise Database
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Automation of Utilities
▪ Work with the city to assemble the best available
record drawings to pull information from
– The most current is not always the best
▪ Digitize and attribute all water utility structures from
each plan
▪ Repeat until the network is compiled
– Result is a GIS that works on desktop, web and mobile
devices
As-built Plan from 1968
As-built Plan from 1954
As-built Plan from 1998
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▪ As-built plans are also related to each feature
– Select a feature, view the associated details of the
feature and easily retrieve plan it was derived
from
– Streamlines the field collection/verification
process by city staff
Automation of Utilities
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• Drawing in linework for meter connections can
be tedious and time consuming.
• Esri’s Add Lateral at Connection tool draws the
lateral and fitting for you.
Esri’s Water Utility
Network Editing Tool
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Customizing Esri’s Water Utility
Network Editing Tool
• Client needed something to match their
connection standards
• Customized solution:
• a single service tool to account for a valve along
the line
• a double service connection to account for two
valves and additional fitting.
• a triple service connection to show where three
reclaim meters are connected to the main line at
one location, accounts for valves and fittings along
the laterals.
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Field Verification Process
▪ Check-sheet grid
▪ Four teams: one for each utility
▪ Assistance from locators and meter readers
▪ Sheets are sent to VHB
▪ Final adjustments are entered and then
verified
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How is the data used?
▪ Field personnel have access through ArcGIS Online via
tablets, phones, and laptops
▪ More accurate performance measures using a work
order system with GIS component
▪ Plug data into asset management system
▪ Put the data to work by using out of the box
applications that support tasks such as:
– Up and downstream gravity flow network tracing
– Flow and valve isolation for pressure systems
– Integration with billing records
– Watershed delineation
– Engineering design
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2015 Pilot Project Area
Project Timeline
2016 Neighborhoods
2017 Segmented Areas
2018 Completed the City
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Offices located throughout the east coast
Questions?
Christen Callahan | [email protected]| 407.982.4487
christen-callahan