This document discusses how GIS technology is being used to manage large amounts of data for flood control projects in Mecklenburg County, North Carolina. It manages data from over 300 square miles of projects through a centralized database called CECAP. This process streamlines relationships between different agencies and consolidates data from various sources into a single location for easy access. The document provides two case studies that demonstrate how GIS is used to organize massive amounts of survey data, planning data, design data, and more for complex residential and urban stormwater retrofit projects.

1. UTILIZING GIS TECHNOLOGY:
TO MANAGE DATA FOR FLOOD CONTROL PROJECTS
Danee McGee, P.E. , C.F.M. Charlotte Mecklenburg Storm Water Services
Chris Fleck, P.E. Dewberry
NCAFPM Fall Conference October 25, 2012

2. Global Perspective
City Storm Water Services Projects:
Currently has 36 Minor and Major Capital Improvement
Currently has 589 Maintenance
Currently has 30 Water Quality (Streams, Ponds, BMP’s)
Mecklenburg County Storm Water Projects: Remapping and Engineering
CDOT Projects: Roadway Resurfacing, Transportation Improvement
CMU- Utility Projects
Neighborhood and Connectivity Projects
Projects cover 303 square miles of City Limits of Charlotte

3. Global Perspective
CECAP : Location and Contact Information for All City Projects
City Storm Water GIS : Request Data, System Inventory
County GIS: Flood Frequency Data, Floodplain Limits, Engineering Projects
Consultant GIS: Planning, Design Construction and Monitoring Data
CECAP
City Storm
Water GIS
County GIS
Consultant
GIS
Information Everywhere:

4. Historical Data Management
Maps on the Wall Different GIS Data Bases

5. Historical Data Management
City Storm Water Projects
 Filing Cabinets
 Library
 Individual Desks
 Individual Computers
 Department Servers

6. Data Source Examples
 Citizen Requests for Service:
Structure Flooding and System
Failure
 Maintenance Files
 Project Files

7. Intent of this Process
Stream Line Relationships To:
 Compile Data
 Enhance the Existing Process
CECAP
CITY STORM
WATER GIS
COUNTY GIS
CONSULTANT
GIS

8. New Data Management for Projects
All Project Survey, Planning, Design and Decision Making Data is Stored
for Many Projects and Massive Amounts of Data Including:
Citizen Reported Data
Storm Event Data, Known System Deficiencies & Failures
Previous Maintenance Projects or Repairs
Survey Data
Engineering Analysis and Results
Data is Managed for:
Ease of Access for Engineers, Designers, Reviewers, Managers
Supplement to Hard Copies
Provide Quick Response to Residents and other Stakeholders
Provide Digital Location for Future Reference.
Design
Planning
Survey

9. PROJECT DRIVEN REQUIREMENT
Step 1: Identify the Issue
 Massive Amount of Data
 Multiple Phases and Long Project Duration
 Many Users of Data
Step 2: Simple Solution to Manage Data
 Change Effort , but do Not ADD Effort
 Take Advantage of Geo-Referenced Data
 Make Available for Multiple Users
 Make Accessible and Formatted for Multiple Phases of Project (ie: Planning,
Design, Construction…..Beyond)
Step 3: Deliver the Data
 No Complex, Customized and or Costly Interface or Tools
 Accessible as Single .MXD file with Data Stored on External Hard Drive from any
Workstation. (Could be Copied to Network)
 Keep it Simple…..We Needed it Anyway
RESULT: Simple Supplement to Hard Copy Deliverable to
Manage Large Amounts of Diverse Data in a Customizable ,
Visual Manner to Ease Access for Many Users Throughout
Multiple Phases of Project and for Entire Project Duration

10. C.O.R.E
Survey
Data
Planning
(Modeling)
Design
(Modeling/
Plans)
Alternatives
Maintenance
Activities
Citizen
Input
Track
Changes
Property
Data
Photos
C.O.R.E SYSTEM
C ENTRAL
ORGANIZED
RESPONSIVE
EFFICIENT

11. C.O.R.E SYSTEM
C ENTRAL
ORGANIZED
RESPONSIVE
EFFICIENT
DEVELOPER
• Consultant
• Engineer
• Planner
USER
• Manager
• Client
STAKEHOLDER
• Residents
• Owners

12. RESIDENTIAL CASE STUDY #1:
SUNNYVALE~CHANDWORTH CIP
 Large Residential Stormwater Retrofit Project:
 670 Developed Acres (Aerial Photography, Digital Terrain Model (DTM), Triangulated Irregular Network (TIN))
 1230 Parcels: Topographic Data, Planimetrics
 2200 Pages of Property Documentation: Deeds, Plats, Easements, As-Built Records, Right of Ways
 1935 Buildings/Structures
 250 Detailed Building Surveys
 80,000+ LF (15 Miles) of Residential Neighborhood Streets
 24,500 +LF (4.6 Miles) of Open Channels with Detailed Cross Sections and Hydraulic Restrictions
 62,100 +LF (11.8 Miles) of Closed Conduit Storm Drainage System
 764 Drainage Structures (CB, DCB, JB, MH)
 7 Large Culverts (Up To 84”x132”)
 95,100 LF (18 Miles of Sanitary Sewer)
 103,300 LF (19 Miles ) of Water Main
 360,000 LF (68 Miles) of Other Utilities (Electric, Gas, Cable,
Phone, Fiber Optic etc)
 20,000 Trees in Detailed Survey Corridors
 5300+ Site Photos
 CCTV for Video Investigation of All Closed Channel
 Misc & Random Citizen Contact
 Complex Scope with Over 100 Points of Analysis
 Multiple Phase Analysis (Existing/Future/Planning/Design)
 Multiple Storm Events & Criteria
Vicinity Map
Center City,
Charlotte, NC
PROJECT
AREA
Contact: Jacklyn Bray
Project Manager

13. RESIDENTIAL CASE STUDY #1:
SUNNYVALE~CHANDWORTH CIP Contact: Jacklyn Bray
Project Manager

14. URBAN CASE STUDY #2: HILL STREET CIP
Vicinity Map
Center City,
Charlotte, NC
Contact: Danee McGee, PE CFM
Project Manager
PROJECT
AREA
 Highly Urbanized Stormwater Retrofit Project:
 Highly Developed Area of North West Quadrant of City of Charlotte with Portions of the Storm Drainage System
Documented as Abandoned Mines from the 1850’s
 Current and Existing Development Constructed Over or Close to a Complex Network of Large Deep Box Culverts up
to 20ft Deep.
 Watershed of 225 Acres and Planned Improvement Area of 80 Acres(Aerial Photography, Digital Terrain Model ,
Triangulated Irregular Network)
 90 Parcels: Topographic Data, Planimetrics, Cross Sections
 700 Pages of Property Documentation: Deeds, Plats, Easements, As-Built Records, Right of Ways
 50 Multi-Story Multi Use Buildings and Structures
 13,000+ LF (2.5 Miles) of Residential Neighborhood Streets
 14,000 +LF (2.7 Miles) of Storm Drainage System
 110 Drainage Structures (CB, DCB, JB, MH)
 4 Large Culverts (Up To 70”x78”)
 60,000 LF of Utilities Including:
(Sewer, Water, Electric, Gas, Cable, Phone, Fiber Optic etc)
 1500+ Site Photos and Many Pipe Videos

15. URBAN CASE STUDY #2: HILL STREET CIP
Contact: Danee McGee, PE CFM
Project Manager

16. SUMMARY & CONCLUSIONS
 Centralized Data Location for Large Amounts of Diverse Data
 Visual Format that Organized and Simplified the Data Access and Data Management
 All Data is Georeferenced
 Supplement to Hard Copies (Retention, Transport)
 Customizable After Submittal/Reporting as a Living Entity for Future and Additional Use
 Flexible, Simple and Common User Format
 Increases Responsiveness by Multiple Users for Multiple Stakeholders
Consultant City Project Manager / Client
City Project Manager City Program Management
City Project Manager Residents/Owners
 Increases Consultant/Engineer Design Efficiency and Consistency
 By-Product of Existing Processes…..We had to do it
 No Additional Cost or Effort
 Easily Expandable into More Customized, Robust GIS Tools or Interface

17. QUESTIONS
C.O.R.E
C
B
A
CECAP
CITY STORM
WATER GIS
COUNTY GIS
CONSULTANT
GIS