Mehmet Secilmis, GISP, EITEnvironmental Engineer/GIS Specialist

Parsippany, NJ

Using GIS for Using GIS for Civil/Environmental Civil/Environmental

ProjectsProjects

Using GIS for Using GIS for Civil/Environmental ProjectsCivil/Environmental Projects

GIS Overview

Selected Projects

TransportationTransportation Water Resources, Land DevelopmentWater Resources, Land Development Municipal ApplicationsMunicipal Applications Bridge InventoryBridge Inventory

Aerial Imagery

Elevation

Geodetic Control

Boundaries

Surface Waters

Transportation

Land Ownership

Other Thematic DataOther Thematic DataFramework DataFramework Data

Relationships Among DataRelationships Among DataBuild Once, Use Many TimesBuild Once, Use Many TimesRelationships Among DataRelationships Among Data

Build Once, Use Many TimesBuild Once, Use Many Times

Soils

Sewer Lines

Water Lines

Landcover

Demographics

Flood Zones

Online GISOnline GIS

Why Use GIS?Why Use GIS?

Build compelling maps that help visually portray Build compelling maps that help visually portray patterns, trends, and exceptions in your datapatterns, trends, and exceptions in your data

Integrate data from multiple sources including Integrate data from multiple sources including CAD drawings, aerial photographs, CAD drawings, aerial photographs, demographics, Web services, and databasesdemographics, Web services, and databases

Create and edit geographic and associated Create and edit geographic and associated

attribute dataattribute data

Who Uses GIS?Who Uses GIS?

City and county governments manage local zoning, land use, and property tax City and county governments manage local zoning, land use, and property tax assessments such as impact of a new development,, high traffic areas, land parcel assessments such as impact of a new development,, high traffic areas, land parcel info etcinfo etc

Law enforcement teams track and analyze crime incidentsLaw enforcement teams track and analyze crime incidents

Real estate professionals locate new commercial development sites, store locationsReal estate professionals locate new commercial development sites, store locations

Fire and rescue services officials map fire spread, property damage, and resource Fire and rescue services officials map fire spread, property damage, and resource allocationallocation

Utility companies map services and customers Utility companies map services and customers

Bankers map mortgage loansBankers map mortgage loans

Marketing professionals analyze demographic data to target advertising expenditures Marketing professionals analyze demographic data to target advertising expenditures and locate existing and target customersand locate existing and target customers

Environmental agencies and consultants visualize pollution in 2D or 3DEnvironmental agencies and consultants visualize pollution in 2D or 3D

Military commanders analyze tactical plansMilitary commanders analyze tactical plans

GIS Data Available from NJDEPGIS Data Available from NJDEP

Head of Tide (hot) Head of Tide (hot) Natural Heritage Priority Sites Natural Heritage Priority Sites Drought Regions Drought Regions Open Space - State Owned Open Space - State Owned Open Space - Federal Owned Open Space - Federal Owned Shoreline Type and StructuresShoreline Type and StructuresSouth Jersey Marsh South Jersey Marsh TidelandsTidelandsWater Quality Stations (Existing) Water Quality Stations (Existing) Shellfish Classification 2002 Shellfish Classification 2002 Public Community Water Supply Wells Public Community Water Supply Wells Principal and Sole Source Aquifers Principal and Sole Source Aquifers Highlands Preservation and Planning Highlands Preservation and Planning AreaAreaHighlands Preservation Sewer Service Highlands Preservation Sewer Service AreaAreaElevation ContoursElevation Contours

Streams Streams Lakes Lakes Freshwater Wetlands Freshwater Wetlands National Wetlands Inventory (NWI) National Wetlands Inventory (NWI) Watersheds and SubwatershedWatersheds and SubwatershedBeach Hazard (Coastal Flooding) Beach Hazard (Coastal Flooding) Landscape Project (Beach/Dune, Landscape Project (Beach/Dune,

Emergent Wetland, Forest, Emergent Wetland, Forest, Grassland, Wetland Forest) Grassland, Wetland Forest)

Ambient Stream Quality Monitoring Ambient Stream Quality Monitoring Sites Sites

AMNET Biological Monitoring Sites AMNET Biological Monitoring Sites Fish Index of Biotic Integrity Sampling Fish Index of Biotic Integrity Sampling

Points Points Surface Water Quality StandardsSurface Water Quality StandardsTotal Maximum Daily Loads (TMDLs)Total Maximum Daily Loads (TMDLs)Soils (SSURGO) Soils (SSURGO) Geology Geology

Natural Resources

GIS Data Available from NJDEP (Cont.)GIS Data Available from NJDEP (Cont.)Planning

Parcels Parcels ZoningZoningAerial Photos 1930 - 1997 – 2002 - 2007Aerial Photos 1930 - 1997 – 2002 - 2007Land Use1986, 1995, 2002, 2007Land Use1986, 1995, 2002, 2007State Planning Areas State Planning Areas Water Supply Planning AreasWater Supply Planning AreasCounties and Municipalities of NJCounties and Municipalities of NJCross Acceptance LayersCross Acceptance LayersMunicipal Tier Assignments Municipal Tier Assignments (Stormwater Regulation)(Stormwater Regulation)Historical properties and shorelinesHistorical properties and shorelinesCensus Data Census Data Zip Code Areas Zip Code Areas USGS Quadrangles USGS Quadrangles Golf Courses (Statewide) Golf Courses (Statewide) Pinelands Pinelands CAFRA BoundaryCAFRA BoundaryBIG Map (Blueprint for Intelligent Growth)BIG Map (Blueprint for Intelligent Growth)

Hazardous Waste

Known Contaminated Sites Known Contaminated Sites

Classification Exception Areas (CEA) Classification Exception Areas (CEA)

Groundwater Contamination Areas (CKE) Groundwater Contamination Areas (CKE)

NJPDES Ground Water Discharges NJPDES Ground Water Discharges

NJPDES Surface Water Discharges NJPDES Surface Water Discharges

Deed Notices Deed Notices

Brownfields Brownfields

UST Contamination Sites UST Contamination Sites

Historic Fill AreasHistoric Fill Areas

Municipal Stormwater Management Plan

GIS Use for Transportation ProjectsGIS Use for Transportation Projects

Assess environmental impactsAssess environmental impacts

- residential and commercial- residential and commercial- community facility and recreational- community facility and recreational- hazardous waste sites- hazardous waste sites- floodplain- floodplain- wetlands - wetlands - historic architectural / archaeological resource s- historic architectural / archaeological resource s- community cohesion- community cohesion

Identify current land use and zoningIdentify current land use and zoning

Identify land use historyIdentify land use history

Identify potential wetland mitigation sitesIdentify potential wetland mitigation sites

GIS Use for Transportation ProjectsGIS Use for Transportation Projects

Digital elevation model and drainage calculationsDigital elevation model and drainage calculations

Map contaminant migrationMap contaminant migration

Map public outreach activitiesMap public outreach activities

Prioritize sites based on environmental constraintsPrioritize sites based on environmental constraints

Perform alternative analysisPerform alternative analysis

Coordinate and manipulate data from various sources such as Coordinate and manipulate data from various sources such as Microstation, AutoCAD drawings and various imagesMicrostation, AutoCAD drawings and various images

Prepare maps to highlight distinguishing criteria (Ecological, Prepare maps to highlight distinguishing criteria (Ecological, Socioeconomic and Noise) for each alternative Socioeconomic and Noise) for each alternative

GIS Use for Transportation ProjectsGIS Use for Transportation Projects

Community Facility and Recreational Impacts

Hazardous Waste Sites

Floodplain Impacts

Wetlands Impacts

Archaeological Resource Impacts

Alternative D Distinguishing Criteria

Land Use and Zoning

Potential Wetland Mitigation Sites

Water Resources, Land Development Water Resources, Land Development and Municipal Projectsand Municipal Projects

GIS was used to determine watershed parameters for GIS was used to determine watershed parameters for use in the HEC-HMS hydrologic model which was used use in the HEC-HMS hydrologic model which was used to determine runoff values for the watershed. to determine runoff values for the watershed. 

GIS was used to help compute the curve numbers for GIS was used to help compute the curve numbers for

the watershed using digital soil maps to define the the watershed using digital soil maps to define the different soil types and land-use data to define the different soil types and land-use data to define the prevailing land-use types. It was also used to help define prevailing land-use types. It was also used to help define the drainage areas.  the drainage areas. 

Without GIS, available paper soil and land use (zoning) Without GIS, available paper soil and land use (zoning) maps would have been computed by hand. Using GIS maps would have been computed by hand. Using GIS increased the accuracy and saved time (~%50).increased the accuracy and saved time (~%50).

Stormwater Runoff AnalysisStormwater Runoff Analysis

GIS Task Steps:

Identify and group the soil types within the drainage area Identify and group the soil types within the drainage area based on the hydrologic class (A, B, C, C/D and D)based on the hydrologic class (A, B, C, C/D and D)

Identify and group the land use types within the drainage Identify and group the land use types within the drainage areaarea

Calculate the area (acres) of land use types with same Calculate the area (acres) of land use types with same hydrologic class soilshydrologic class soils

Use the data to get C (roughness coefficient) and A Use the data to get C (roughness coefficient) and A (Surface Area) for Rationale formula (Q=C.i.A)(Surface Area) for Rationale formula (Q=C.i.A)

Stormwater Runoff AnalysisStormwater Runoff Analysis

Stormwater Runoff Analysis

Stormwater Runoff Analysis

Municipal Build Out Analysis

Municipal Build Out Analysis

Municipal Build Out Analysis

Highway Widening Digital Elevation Model and Drainage Calculations

Water Supply Pipeline Route Options

• Cultural ResourcesCultural Resources• Land ResourcesLand Resources• Water ResourcesWater Resources• Living ResourcesLiving Resources• Air ResourcesAir Resources• Natural Resource Natural Resource

UseUse• Conclusions and Conclusions and

RecommendationsRecommendations

Englewood Environmental/Natural Resources Inventory

MTA Metro North Drainage Structure Inventory Using GIS

NYCDDC Pedestrian Ramps Inventory NYCDDC Pedestrian Ramps Inventory GIS Database ProposalGIS Database Proposal

We understand that NYC DDC is in need of a pedestrian ramps database with the following information:

Indication If Ramp Is Needed Or ExistingNearest Corner Street NamesExisting Pedestrian Ramp TypeLocation Interference (Pole, Sign, Bus Shelter, Traffic Light, Etc)Curb And Sidewalk Type And ConditionPhoto LinkComments As Needed To Reveal Special Circumstances

Collecting Field Data for Existing Collecting Field Data for Existing RampsRamps

LLocation (Street names and direction)ocation (Street names and direction)

TTypeype

SSurface Conditionurface Condition

MMaterialaterial

TTop Landing Width and Slopeop Landing Width and Slope

NNumber of Slopes at Cornerumber of Slopes at Corner

RRamp width and Slopeamp width and Slope

RRamp Cross Slopeamp Cross Slope

SSlip-resistant Surfacelip-resistant Surface

SSidewalk Approachidewalk Approach

RRamp Flare Slope and Gutter Slopeamp Flare Slope and Gutter Slope

CCrosswalk Connection and Alignmentrosswalk Connection and Alignment

BBottom Landing Width and Slopeottom Landing Width and Slope

LLocation Interference/Obstruction Typeocation Interference/Obstruction Type

PPhoto Linkhoto Link

CCommentsommentsNYCDDC Pedestrian Ramps Inventory GIS Database ProposalNYCDDC Pedestrian Ramps Inventory GIS Database Proposal

NYCDDC Pedestrian Ramps Inventory GIS Database ProposalNYCDDC Pedestrian Ramps Inventory GIS Database Proposal

NYCDDC Pedestrian Ramps Inventory GIS Database ProposalNYCDDC Pedestrian Ramps Inventory GIS Database Proposal

New Haven Bridge Inventory Using GIS

Mehmet Secilmis, GISPEnvironmental Engineer/GIS Specialist

DewberryParsippany, NJ

Bridge InventoryBridge Inventory

Using GISUsing GIS

City of New Haven, CT City of New Haven, CT

IntroductionIntroduction

CCity of New Haven needed engineering services for ity of New Haven needed engineering services for an inventory and assessment of bridges located an inventory and assessment of bridges located within the city limits to develop a program to aid within the city limits to develop a program to aid the City in managing its bridge infrastructure the City in managing its bridge infrastructure resources. resources.

TThe City was open to using new technology, yet he City was open to using new technology, yet not 100 percent sure of what the results would not 100 percent sure of what the results would offer. offer.

Data CollectionData Collection TT

he project included an inventory and assessment of he project included an inventory and assessment of all bridges in New Haven which the city either all bridges in New Haven which the city either owned or was responsible for maintenance, and the owned or was responsible for maintenance, and the development of a program to aid the City in development of a program to aid the City in managing its infrastructure resources.  managing its infrastructure resources.  

TThis required coordination with the Connecticut his required coordination with the Connecticut Department of Transportation and Railroads to Department of Transportation and Railroads to determine ownership details. Historical inspection determine ownership details. Historical inspection reports were reviewed prior to scheduling site visits. reports were reviewed prior to scheduling site visits.

Site VisitsSite Visits TT

he intent of the site visit was to perform a visual he intent of the site visit was to perform a visual inspection of the various bridge elements to assess inspection of the various bridge elements to assess the condition. the condition.

SSite visits included photo documentation and visual ite visits included photo documentation and visual condition inspection. condition inspection.

BBridge location coordinates were collected with GPS ridge location coordinates were collected with GPS units and confirmed with aerial photos.units and confirmed with aerial photos.

Typical Site Photos (Cont’d)Typical Site Photos (Cont’d)

Two-Page Bridge Summary ReportTwo-Page Bridge Summary Report

Brief Brief description of the bridgedescription of the bridge

Key map Key map locationlocation

AgeAge

PhotographPhotograph

General General condition assessment/evaluation condition assessment/evaluation

RecommenRecommendations for maintenance/repairs/replacementdations for maintenance/repairs/replacement

Cost Cost estimate for replacement/rehabilitationestimate for replacement/rehabilitation

Potential Potential funding sources and grants funding sources and grants

Bridge Summary Report (Cont’d) Bridge Summary Report (Cont’d)

Quarterly Bridge ReportQuarterly Bridge Report

Bridge Inventory DatabaseBridge Inventory Database

Site No.Bridge ID (BIN)Route CarryingRoute CrossingMoveable BridgeOver WaterwayOver RailroadOver RoadwayOver 20 FeetOwned byMaintenance AgencyInspection AgencyBridge Type

Org. Const. Date (year)Major. Rehab. Date (year)Prev. Insp. DatePrev. Inspected by

Condition of Bridge -Description

Condition of Bridge - Rating (1-9)XYElevation (ft)Photos Link (or ID)Summary Report LinkFollow-Up Flags

Prioritization of Bridge ConditionsPrioritization of Bridge Conditions

Bridge Locations on Aerial PhotoBridge Locations on Aerial Photo

Incorporating with Survey DataIncorporating with Survey Data

City of New Haven Inventory and Assessment “in action” showing how the program lines the various pieces of information required to provide the City of New Haven a thorough bridge evaluation.

ConclusionsConclusions GIS (Geographic Information System) was used to GIS (Geographic Information System) was used to

store, manipulate and analyze the data collected for store, manipulate and analyze the data collected for the inventory and assessment. the inventory and assessment.

ArcGIS was utilized to assess and analyze the field ArcGIS was utilized to assess and analyze the field data collected at each bridge. GIS integrated and data collected at each bridge. GIS integrated and inter-related geographic data (including locations, inter-related geographic data (including locations, land use, municipal boundaries, natural resource land use, municipal boundaries, natural resource data and aerial photos) with database information. data and aerial photos) with database information.

Users view and analyze the inter-related data in a Users view and analyze the inter-related data in a way that would be impossible by studying stand-way that would be impossible by studying stand-alone maps and spreadsheets. alone maps and spreadsheets.

Statistical data was collected, evaluated, and Statistical data was collected, evaluated, and presented which illustrated how the City of New presented which illustrated how the City of New Haven’s bridge infrastructure matched up to other Haven’s bridge infrastructure matched up to other peer cities in the state.peer cities in the state.

DDelivering the report and recommendations in a GIS elivering the report and recommendations in a GIS “digital map” format enabled the City to click “digital map” format enabled the City to click through to digital photography and access the key through to digital photography and access the key data for each bridge.data for each bridge.

QQuarterly reports are filled out by the Engineering uarterly reports are filled out by the Engineering Department for each of the red flagged bridges in Department for each of the red flagged bridges in the initial evaluation. This innovative process keeps the initial evaluation. This innovative process keeps the Mayor’s office up-to-date on the state of these the Mayor’s office up-to-date on the state of these bridges, and makes the inventory a “living bridges, and makes the inventory a “living document”.document”.

ConclusionsConclusions

OOpen communication combined with the City’s willingness pen communication combined with the City’s willingness to be forward thinking resulted in the use of technology to be forward thinking resulted in the use of technology to generate a ‘live’ final document that will not only to generate a ‘live’ final document that will not only assist them in maintaining their bridge program but will assist them in maintaining their bridge program but will also allow a tie-in to future transportation projects. also allow a tie-in to future transportation projects.

AAs noted by City Engineer, Richard Miller, PE, “…it is s noted by City Engineer, Richard Miller, PE, “…it is viewed as a useful tool for the City to ensure these viewed as a useful tool for the City to ensure these critical bridges are managed in a forward thinking and critical bridges are managed in a forward thinking and planned effort to ensure safe and reliable transportation planned effort to ensure safe and reliable transportation linkage over time.”linkage over time.”

ConclusionsConclusions