GIS Data Management for Large Infrastructure Projects
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Transcript of GIS Data Management for Large Infrastructure Projects
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GIS Data Management for Large Infrastructure ProjectsRoland MartinSenior GIS Consultant, Arup
19 April 2012
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Introduction
1. Who am I?2. What is a large engineering project?3. How does GIS help?4. Managing GIS data5. GIS analysis
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We are a global, integrated, multidisciplinary firm of professionals working together to tackle complex planning, infrastructure and building design challenges
10,000 engineers, designers, planners, management consultants and economists
90 networked offices in 37 countries
Full service from concept through completion
Dedicated to delivering value through expertise, global resources and local delivery
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Large infrastructure projects
Forth Road Crossing, Scotland Antwerp Scheldt Crossing, Belgium California High Speed Train Project Transbay Terminal, San Francisco
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Typical GIS tasks
GIS
Gather information
Analyze information
Manage information
Share information
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Data gathering
GIS
Geotechnics
Base Data
Civils
Utilities
General Information
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Project data flows
GIS
Rail Engineering
Geotechnical Engineering
Utility Engineering
Bridge Engineering
Environmental teams
Highway Engineering
NoiseAir
Quality
Ecology
Primary data flows
Secondary data flows
On an example rail project...
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Project data flows
Rail Alignment
Aerial Imagery
LandParcels
ExistingInfrastructure
Source ALGModelled using InRoads
TIFFPurchased files
MDBPersonal Geodatabase
MixedSHP, MDB and DWG
Required output
DGNGenerated in InRoads
JPEGWith files as small as possible
DGNLabelled with AIN, owner name,
etc DGNAssessed for accuracy
fGDBClassified by construction
method
fGDBClassified by land use
fGDBVariousKMZ
For quick visualisation
MDBDatabase of ownership
information, right of way
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Processing alignment into GIS
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Land use analysis
Urban areas can be extremely complex
Lots of constraints Parks Churches Prison Healthcare
facilities
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Route analysis
Terrain data Faults Land use data Engineering
constraints: Minimum curve
radii Maximum gradient
Keep costs down!
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Property counts
Output from acoustic model Noise impact (Ln) from road
Output from air quality model
• Areas with NO2 levels above threshold
Level Properties People Affected
50-55 dB 420 917
55-60 dB 265 606
60-65 dB 317 715
65-70 dB 232 569
>= 70 dB 114 222
Level Properties People Affected
< 40 PPM 823 1782
>= 40 PPM 525 1247
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Environmental modeling
Noise mapping Air quality modeling Ecology assessments Odor modeling
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Environmental modeling with FME
Noise modeling Air quality modeling
Extracting data from Oracle