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Geoff Price
Pipeline Routing ForumNovember 4, 2009
• GIS Data overview• GIPRO Routing and Costing Models• Benchmarking GISPRO• Scenario walk through• Comparing GISPRO outputs• LandPipe inputs/outputs
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…enables timely cost estimates for early phase pipeline opportunities based on optimal routing anywhere in the world.
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…enables timely cost estimates for early phase pipeline opportunities based on optimal routing anywhere in the world.
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CONSTUCTION
ENVIRONMENTALSOCIAL
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•Avoid steep slopes
•Minimize crossings
•Avoid environmentally sensitive areas
•Maximize use of existing corridors
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• Digitized from existing maps• USGS Topo
• Survey or GPS• As-Built• TeleAtlas/Google Maps
• Remote Sensing• Spaceborne
• SRTM• LandSat
• Airborne• DOQQ• LiDAR
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Image courtesy of The Boeing Company
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In house Cost
estimating software
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SME Input
Feedback
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Existing
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Existing
Proposed
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•Name•Description•Area of Interest•Waypoints•Coordinate Information•Working Directory
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Benchmark Variant 1
Variant 2
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DEM Terrain Slope
Elevation Range: 250’ – 5,000’
Slope Range:0 – 90 deg
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Terrain Slope
Slope Range:0 – 90 deg
Cost Surface
Slope Range Costs:0 to 25 deg = 1
25 to 90 = 9
High Cost
Low Cost
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2% corridor
GISPRO Result (True/False Scenario)
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Terrain Slope
Slope Range:0 – 90 deg
Slope Range Costs:00 to 8 = 1 (green)
08 to 15 = 215 to 20 = 320 to 30 = 630 to 45 = 845 to 90 = 9 (red)
Revised Cost Surface
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2% corridor
4% corridorGISPRO Result
Continuous Slope Scenario
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Conservation Easement & Land Ownership
ConstraintsMultiple
Crossings
ROW Constraint
• Avoid Sensitive Areas
• Maximize Access
• Following Existing Corridors
• Avoid Crossings
• Proximity Gradients
• Manual Routes
• Tie-ins
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Charts Profiles
Executive Summary & Detailed Report
Maps
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Remote Sensing Data
GISPRO Output & LandPipe Terrain Input
Small treesLight brush no Trees
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Small Mts.
Level to Rolling
Choppy, Very Hilly
Digital Elevation Model
GISPRO Output & LandPipe Terrain Input
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Terrain Formation Rippability Inference
No rock to occasional < 12" boulders
Fragmented Rock or Boulders <36’’
Blasting or Drilling
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Population Density Estimates
Rual
Low PopIndustrial/Suburban
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Terrain
Rock
Class
Surface
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Terrain
Rock
Class
Surface
Hazards
Earthquake Zone
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In house Cost
estimating software
Engineering Discretion/ Scenario Analysis
FINAL OUTPUT+/- 50% Cost
Estimate
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Scenario 1
Scenario 2
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Berry, K., J., 2000, Optimal Path Analysis and Corridor Routing: Infusing StakeholderPerspective in Calibration and Weighting of Model Criteria, www.innovativegis.com.
McAllister, E. W. Pipeline Rules of Thumb Handbook : Quick and Accurate Solutions to Your Everyday Pipeline Problems. 6th ed. Burlington, MA: Gulf Professional Pub., 2005.
Mohitpour, Mo, H Golshan, and A Murray. Pipeline Design & Construction : a Practical Approach. 3rd ed. New York: ASME Press, 2007.
Rizkalla, Moness. Pipeline Geo-environmental Design and Geohazard Management.New York, NY: ASME, 2008.