culvert management system using gis/gps ontario county...chris day, p.e. ontario county department...

Chris Day, P.E.

Ontario County

Department of Public Works

Culvert Management System Using GIS/GPS Ontario County

October 26, 2016

Introduction

Existing Culvert Data GIS Culvert Program Applications

Ontario County DPW • 243 Miles of Roads

• 75 Bridges • 1115 Culverts

Culvert Data Issues

• Hand written forms

Culvert Data Issues

• Hand written forms • Outdated • Cumbersome • Current condition • Difficult to prioritize

County designated with MS4 area

• What is MS4? • Municipal • Storm • Separate • Sewer • System

County designated as MS4 area • Under Phase II EPA NSPDES

• Based on 2000 census data • Expanded Greater Rochester

Area MS4

Rochester MS4 boundary

MS4 Data Issues

• Required MS4 Program Development • Document/Inspect • Storm Water Outfalls

What to do?

• Large Data Set • Geographically Based • Routine Updating • Accurate Locating • MS4 & Culverts • GIS/GPS

• Geographic Information Systems • Global Positioning System

Planning Department

• Heavily Invested GIS • Extremely Large Data Sets • Integrated planning/tax

data sets • Beta “ONCOR” System

Decided to use GIS

• Expansion of data sets • Signs • Guiderail • Sanitary Sewer

Partnership Planning Department

• GIS complicated • DPW limited GIS experience • Reliance on Planning • Move Forward with GIS/GPS

GIS Basics

GIS DATA

Analyze and Store

Collect Display

GIS Basics

ESRI GIS

DATA

ARCGIS Analyze and

Store

ARCPAD Collect

ARCGIS Online Display

How do we get there?

• Handwritten Forms converted electronic database

• Manually Plotted Culvert locations in ARCGIS

• Rudimentary Data Set

GIS Basics

GIS DATA

Analyze and Store

Collect


• Use GPS for Data Collection • Purchase GPS equipment

• Started with MS4 data • Smaller 22 outfalls • Some outfalls were culverts • Scale up culverts

Field Inspection-GPS

• Create ARCPAD application

GIS Process

ESRI GIS

DATA

ARCGIS Analyze and

Store

ARCPAD Collect


• GIS/GPS working for MS4 outfalls • Modify the ARCPAD for Culverts • Scale to 1115 culverts


• Problem


• Problem • Planning GIS/DPW staff both QUIT


• Solution • County Hires GIS coordinator • DPW GIS Specialist


• Modify the ARCPAD for Culverts • Scale to 1115 culverts

What data for culverts?


• Inventory Data • Inspection Data


• Inventory Data • Culvert ID # • Year Built • Basic Geometric info • Material • Size

• Large 5’<D/H<20’ • Medium 3’<D/H<5’ • Small D/H<3’


• Inspection Data • Condition • Verifies Inventory


• Inspection Data-Condition


• What is Inspected • 3 Major Items

• Roadway • Structure • Channel


• What is Inspected • Roadway Item Elements

• Mainline Pavement • Shoulders • Settlement • Embankment


• What is Inspected • Structure Item Elements

• Abutments & Piers • Span Barrel • End Treatments


• What is Inspected • Channel Item Elements

• Opening • Alignment • Scour/Erosion • Debris/Vegetation


• Weighted Overall Culvert Rating • 10% Roadway Elements • 70% Structure Elements • 20% Channel Elements


• Update ARCPAD


• Update ARCPAD

Inventory data


• Update ARCPAD

Inspection data


• Update ARCPAD

MS4 Outfall Data


• Update ARCPAD

Culvert Data

Field Inspection-GPS

• For 1115 Culverts • Large, Medium, Small • 8 standard photos

• 2 Highway • Up/Downstream • Inlet/Outlet Ends • Inlet/Outlet Barrel

GIS Process

GIS DATA

Analyze and Store

GPS Collect

GIS Process

GIS DATA

Analyze and Store

Collect ARCGIS

Web base Display

CR= 5 x (.10) + 5 x (.70)+ 2 x (.20)= 4.4

Data Query

• For any culvert attribute • Size • Material • Rating

PDH Questions What does GIS stand for?

Geographic Information Systems

PDH Questions Name a basic component of GIS?

a. Analyze & Store Data b. Displaying Data c. Collecting Data d. All of the above

PDH Questions What are examples of Inventory Data?

a. Current condition of component b. Size of component c. Year constructed d. Both b & c

culvert management system using gis/gps ontario county...chris day, p.e. ontario county department...

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