Seminar Smart Engineering. Smart Solutions. TM Obtaining Accurate Field Data with Minimal Survey...

Seminar

Smart Engineering. Smart Solutions. TM

Obtaining Accurate Field Data with Minimal Survey

Equipment

Douglas S. Bramwell, P.E., RPLS

November 12, 2011

Seminar

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

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

Seminar Outline1) Typical Project Scenario2) Survey Tools Available

B. Field Techniques

B. Contour Mapping

Seminar

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

2) Survey Tools Available3) Required Field Data

B. Field Techniques

B. Contour Mapping

Seminar

Available Survey Equipment

• Hand Level or Automatic Level & Level Rod

• 200-ft Tape

• Pin Flags

• 100D nails

• Field Book

• Scale, Calculator, & Compass

Seminar

3) Required Field Data4) Obtainning Field Data

B. Field Techniques

B. Contour Mapping

Seminar

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

4) Obtainning Field DataA. Establishing a Project Baseline

B. Field Techniques

B. Contour Mapping

Seminar

Project Baseline

What is a Project Baseline?

Arbitrary line staked in the field where ALL measurements are based.

Seminar

B. Field Techniques

B. Contour Mapping

Seminar

Field Techniques

• Measuring Distances (Tape and or Pacing)• 3-4-5 Triangle• Measuring Elevations• Chopping Line of Site

Seminar

BE CAREFUL WHEN CHOPPING LINE!!

Seminar

B. Field Techniques

B. Contour Mapping

Seminar

Field Book Documentation• Column Label• Data Input• Data Description• Elevation Calculation

Seminar

Field Data DocumentationExample

Seminar

4) Obtaining Field Data

B. Field Techniques

5) Field Data ProcessingA. Field Data Plotting

B. Contour Mapping

Seminar

4) Obtaining Field Data

B. Field Techniques

5) Field Data ProcessingA. Field Data Plotting

B. Contour Mapping

Seminar

SURVEY MAP IS COMPLETE!

QUESTIONS?

Seminar

Douglas S. Bramwell, P.E., RPLSSurvey Department Manager

Jones & Carter, Inc.

1716 Briarcrest Drive, Ste. 160

Bryan, Texas 77802

dbramwell@jonescarter.com

979-731-8000

Seminar Smart Engineering. Smart Solutions. TM Obtaining Accurate Field Data with Minimal Survey...

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