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Louisiana Business Plan for
Statewide Address Management
Craig Johnson, AICP Louisiana Geographic Information Center, Baton Rouge, LA
Kathrine Cargo, GISP, ENP Orleans Parish Communications District, New Orleans, LA
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Partners
Federal Geographic Data Committee
(FGDC) awarded a grant in 2011 to fund
the development of a Business Plan
Louisiana Chapter NENA
Louisiana Geographic Information
Center
Orleans Parish Communication District
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Why develop a statewide address
management plan now?
Next Generation 911 requirements – new NENA and FGDC addressing standards have been developed.
Louisiana Broadband Initiative - LAGIC is working with the Division of Administration to collect address data from local governments (primarily Communication Districts) to help in identifying broadband coverage.
GOHSEP is also a partner DOA’s statewide effort to collect addresses for the Broadband Project
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Who are the stakeholders for
accurate address data?
Communication Districts (911 Administrative Organizations)
Louisiana Assessors
Registrar of Voters
Economic Development Agencies
Homeland Security & Emergency Preparedness Agencies
Local and State Government Agencies
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Why are accurate address points
important?
Demand for location accuracy is increasing
at all levels of government and the
private sector:
Emergency response
On-line map services like; Mapquest Google
maps and Bing
Delivery of government services
Routing and telematics (UPS, OnStar)
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Address accuracy issues:
Increased use of cell phones increases the
difficulty of getting an exact location for a call
for service.
Limited accuracy for Wireless calls
Limited service in many rural areas
Not all cell phones (hand sets) have GPS
Cell Tower Triangulation (network) issues
How many towers in your area?
Where are they located?
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NextGen 911 will bring an increased
need for locational accuracy
According to the Federal Communication
Commission, NextGen 911 will require much
greater locational accuracy then was required
in Phase II.
The MSAG, the ALI database and the Parish
GIS database will all need to be
synchronized
Address standardization will be required to
ensure interoperability and data sharing
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Address Maintenance Survey Goal
Task
Survey all Communication Districts, NENA
members and non-NENA members
Goal
Better understand the constraints faced by
Communications Districts in meeting their
goal of protecting the public, including the
financial, organizational and technical
issues
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The Address Maintenance Survey
developed with input from LaNENA
57/64 Parishes (90%) responded (June-
October, 2011)
Survey designed to be completed in less
than 10 minutes, 21 questions
On-line survey link was sent to every
Communication District in the state
If we didn’t hear from you, we followed
up with a phone call.
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Goals: Address Maintenance Survey
Identify the current status of 911
Addressing in Louisiana
Determine the requirements of address
creators and address users
Use that information to develop a
Business Plan that meets state and local
government needs
In coordination with LaNENA, develop a
plan that incorporates “best practices”
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Parish responded
Parish did not respond
Parish Response to the
Address Maintenance Survey
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The Address Maintenance Survey
developed with input from LANENA
Survey divided into four sections to assess:
Current practices
Organizational ability to manage addresses
How Automated Location Information (ALI) is
maintained
Parish preparation for Next Gen 911
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Survey Results: Current practices
72% of responding Communication
Districts are the addressing authority for
their parish
Other Addressing authorities included:
Assessors
Permits department
Planning departments
Streets/Public Works
GIS Departments
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Survey Results: Current practices
For the 28% of communication districts that are not the primary addressing authority:
44% receive notification of address changes via email
38% receive notification of address changes via handshake agreement with the addressing authority for their parish
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Survey Results: Current practices
58% of responding parishes use address
ranges, and the remainder use address points or a combination of points and ranges to locate 911 calls for service
47% have a geographic coordinate associated with each address, but don’t rely on points exclusively for locating 911 calls for service
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Survey Results: Current practices Address Point Placement
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Phase 1 accuracy
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Phase 2 accuracy
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Organizational ability to manage
addresses
56% have an addressing ordinance to
ensure a standardized addressing
process
25% said they had no ordinance
19% weren’t sure
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Organizational ability to manage addresses – Address maintenance
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Organizational ability to manage
addresses – Update frequency
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How Automated Location Information
(ALI) is maintained
Of those who have address point data,
30% of respondents have synchronized
their address point data with their ALI
data
With NextGen 911, the ALI database will
evolve into the GIS locational database.
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How ALI is maintained –
Synchronization frequency
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Parish preparation for NextGen 911
57% say their highest priority for NextGen 911 implementation is increased funding
Second priority: NENA and industry need to agree on common communication standards
Next highest priority is increased bandwidth and improved broadband capacity
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Parish preparation for NextGen 911
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Parish preparation for NextGen 911
Some require more information on the
costs and benefits of transitioning to
NextGen 911:
Hardware requirements
Costs
Training needs
Best practices
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General Observations from
the Survey Results
The proposed business plan should include a
phased approach for address maintenance
implementation to account for the widely
varying levels of Parish capability
Address issues consistent throughout the state
include:
Need for funding
Need for technical assistance
Need for standardized address data
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Progression from Survey Results to an
Address Maintenance Business Plan
The Plan shall be easy to implement by a non-GIS/non-technical professional
The Plan should provide cost-effective solutions to address database issues
The Plan should facilitate the use of address data standards
For ease of implementation, the Plan should employ web-based tools
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Next steps – Establish the Plan
methodology
Launched a Pilot Addressing Project in West
Carroll Parish
Developing a Business Plan according to the
FGDC template
Distribute draft Plan for review and comment
Gather feedback and incorporate comments
Make recommendations and seek support for
the Plan from the LaNENA membership and
other Communication Districts.
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Addressing Pilot Project – West
Carroll Parish
Last fall, LAGIC launched a pilot project in West
Carroll Parish to see how effectively address
assignment could be automated
Created an MOU to define project responsibilities
Assessed existing primary data and resources
within the Parish
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Addressing Pilot Project – Parish’s
role
Convert address data to digital form, Ex: MS Excel,
Access
Parse data into separate data types using
standard address system (enabling the use of
pull down menus)
Create a unique ID for each address record
including parish or municipal census codes
Keep address data current and maintain
backups.
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Addressing Pilot Project – LAGIC’s
role
•The pilot used a combination of hi-
resolution aerial imagery, Pictometry
oblique imagery, and Google Street View
to locate businesses and residences
•Parish-supplied databases included their
Master Address File (MAF), the parish
addressing ordinance, and other data.
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•Geocode each address record and create a
unique Lat/long for each record.
•Place address points on rooftops using high
resolution aerial imagery, streetview etc.
•Perform ground truthing in coordination with
local government
•Desired result is >5% of all geocoded
addresses would require field checking.
Addressing Pilot Project – LAGIC’s role
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Addressing Pilot Project - Results
The results of the pilot project were:
Structures were accurately addresses
approximately 95% of the time from the office
at LSU
The remaining 5% of the parish structures
required a field check to confirm/assign the
correct address
Confirmation of those addressing techniques
that proved most effective
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Tools for Address Maintenance
Web based address management
tools
LAGIC developed a Flex application that
allows adding, deleting or modifying
an address point using an internet
browser. No GIS software is required.
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Additional tools for address collection
Field check tools
LAGIC developed a data
collection tool for the
I-pad. We used the
I-pad because of its
light weight, screen
size and built in
wireless network
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Managing addresses in the Future
Bringing about the changes required to
manage addresses will involve changes
in the way we all do business
Developing and instituting data
standards will require consensus
Managing address data on a
regional/statewide basis will require
coordination and assigned roles and
responsibilities
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Questions?
Craig Johnson, Director
LA Geographic Information
Center
Kathrine Cargo, GIS/Mapping
Coordinator