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Analyze Topographic Survey Data (Survey Data (Base File (blocks and…
Analyze Topographic Survey Data
Sources
3rd Party Survey
Jviation Survey
Survey Data
Base File (blocks and polylines)
Surface File (surface, points, breaklines, TIN)
Survey Database (points and figures)
Point File
Survey Control Sheet
Should never be modified except by surveyor!!
Measure downs/dips
Admin
Location (CAD/Survey)
Check as soon as survey is delivered
Survey is delivered
Folders with dates
Processing
Base File (copy to X-Site or X-Util, layers, block scales)
EG Surface (Dref directly, create EG file and paste in survey surface)
Opportunity to analyze existing conditions and discrepancies with historic data
Don't recreate surfaces!
Verify Data
Check Coordinate System (Compare to survey data to historic data)
Check control data (PACS & SACS, RW Ends)
GIS tools if no base files exist
Check TIN
Check survey limits against survey scope
Design
Confirm pavement tie ins
Confirm invert elevations