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Seminar
Smart Engineering. Smart Solutions. TM
Obtaining Accurate Field Data with Minimal Survey
Equipment
Douglas S. Bramwell, P.E., RPLS
November 12, 2011
Seminar
Smart Engineering. Smart Solutions. TM
Douglas S. Bramwell, P.E., RPLS
• B.S. Civil Engineering, Texas A&M• Worked for Jones & Carter (J&C) as both
Engineer and a Surveyor doing Land Development and Municipal (W,S &D) projects
• TAMU Civil Engineering Survey Camp
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available
3) Required Field Data
4) Obtainning Field Data
A. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data Processing
A. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario2) Survey Tools Available
3) Required Field Data
4) Obtainning Field Data
A. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data Processing
A. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Typical Project Scenario
• Water Well Projects
• Phase “Land Development” such as a School House, Shelter, etc.
For this discussion – Project Site will be fairly open, with some vegetation, adjacent to a creek, and a traveled pathway (dirt road)
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available3) Required Field Data
4) Obtainning Field Data
A. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data Processing
A. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Available Survey Equipment
• Hand Level or Automatic Level & Level Rod
• 200-ft Tape
• Pin Flags
• 100D nails
• Field Book
• Scale, Calculator, & Compass
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available
3) Required Field Data4) Obtainning Field Data
A. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data Processing
A. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Required Field Data
What field data do we need/want to obtain?
•50-ft or 100-ft Grid of Natural Ground Elevations•50-ft or 100-ft Cross Sections Elevations of Creek•Any Other Important Features, Trees, Pathways, Boulders, Base of Mountains, Etc.
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available
3) Required Field Data
4) Obtainning Field DataA. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data Processing
A. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Project Baseline
What is a Project Baseline?
Arbitrary line staked in the field where ALL measurements are based.
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available
3) Required Field Data
4) Obtainning Field DataA. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data Processing
A. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Field Techniques
• Measuring Distances (Tape and or Pacing)• 3-4-5 Triangle• Measuring Elevations• Chopping Line of Site
Seminar
Smart Engineering. Smart Solutions. TM
BE CAREFUL WHEN CHOPPING LINE!!
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available
3) Required Field Data
4) Obtainning Field DataA. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data Processing
A. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Field Book Documentation• Column Label• Data Input• Data Description• Elevation Calculation
Seminar
Smart Engineering. Smart Solutions. TM
Field Data DocumentationExample
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available
3) Required Field Data
4) Obtaining Field Data
A. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data ProcessingA. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar Outline1) Typical Project Scenario
2) Survey Tools Available
3) Required Field Data
4) Obtaining Field Data
A. Establishing a Project Baseline
B. Field Techniques
C. Documenting Field Data
5) Field Data ProcessingA. Field Data Plotting
B. Contour Mapping
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
Seminar
Smart Engineering. Smart Solutions. TM
SURVEY MAP IS COMPLETE!
QUESTIONS?
Seminar
Smart Engineering. Smart Solutions. TM
Douglas S. Bramwell, P.E., RPLSSurvey Department Manager
Jones & Carter, Inc.
1716 Briarcrest Drive, Ste. 160
Bryan, Texas 77802
979-731-8000
