Communicating Advanced Geophysical Classification to Stakeholders - - PowerPoint PPT Presentation

Communicating Advanced Geophysical Classification to Stakeholders

Herb Nelson Program Manager for Munitions Response SERDP & ESTCP 571-372-6400 herb.nelson@nrl.navy.mil

Outline

• Before the first engagement with stakeholders
• At the first planning meeting
• During the course of the project
• At the conclusion of the field work

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Before You Meet with Stakeholders

• Develop a basic understanding of the technology

you don’t have to be able to solve the equations that describe

the process

EMI data → intrinsic parameters → classification decision

• Make sure classification is appropriate to your site

this stuff is great and works most places but not everywhere

• Make sure you have a qualified contractor

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Training Resources

• USACE Training
• ITRC “Tech Reg” Guidance Document & Internet-based

Training

• ESTCP Training Resources

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At the First Planning Meeting

• There is a big change here but it may not be what you

think

we’ve always left metal in the ground

missed detections due to obstructions anomalies below threshold

we just didn’t know much about that metal

• Using classification we know a lot about the items we

leave in the ground

and we have put quality systems in place to prove it

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At the First Planning Meeting

• Don’t exaggerate the capabilities of classification

it’s a really cool technology there really are no silver bullets

• Seek buy-in on the remedial action objectives

defined and quantitative RAOs make classification much easier should have been spelled out in the DD or ROD

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At the First Planning Meeting

• Be ready with a

thoughtfully-developed QAPP

• This is the cornerstone of

the QC/QA process and should enable all team members to have confidence in the project results

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During the Course of the Project

• Enforce the QC reporting schedule specified in the

QAPP and make sure the QA Geophysicist stays up to date

• Stakeholder confidence is increased by

early identification of QC issues

careful and complete root cause analyses prompt implementation of any required corrective actions

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Example Project Documentation

• Surface Clearance Memo
• IVS Tech Memo
• Weekly QC Reports throughout the field work
• Anomaly Selection Tech Memo
• Intrusive Investigation Report
• Final Analysis Report and Justification for Stop Dig Point

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Surface Clearance Memo

• Was everything found consistent with the CSM?
• Is there anything the analysts need to know?

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CSM Evidence Found in Surface Sweep 37-mm projectile Y 2.36-in rocket Y 60-mm mortar Y 75-mm projectile Y 81-mm mortar N 3-in stokes mortar Y Unexpected munition N

IVS Tech Memo

• Is the Sensor Functioning Properly and Ready to Collect

Data?

SLO Initial Dynamic IVS Seed Position

0.50

Accuracy

0.25 Y offset (m) 0.00 IVS Seed 1 IVS Seed 2

• 0.25
• 0.50

X offset (m)

• 0.50
• 0.25

0.00 0.25 0.50

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IVS Tech Memo

• Are the remedial objectives achievable?

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Anomaly Selection Tech Memo

• Were all the blind seeds detected within spec?

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Intrusive Investigation Report

• Were all recovered items consistent with analyst’s

predictions?

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SW-30825

Intrusive Investigation Report

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What We Are Doing to Facilitate This

• Develop a set of standard QC and QA plots in

UX‑Analyze

• Work hard at the QC interface between data collection

and data analysis

• Make sure both of the above are in line with the evolving

QAPP template

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Verification and Validation

• Involve the stakeholders early and often in planning

draft plan before field work final plans after contractor completes field work

• Verify the stop-dig threshold

dig past the last TOI

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Contractor Stop Dig Threshold

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23 digs past the last TOI

Verify The Threshold

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200 digs past the last TOI

Verification and Validation

• Involve the stakeholders early and often in planning

draft plan before field work final plans after contractor completes field work

• Verify the stop-dig threshold

dig past the last TOI

• Validate the whole process

targeted investigation of items classified as likely clutter

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Validate the Process

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200 digs past the last TOI 100 randomly selected

Verification and Validation

• Involve the stakeholders early and often in planning

draft plan before field work final plans after contractor completes field work

• Verify the stop-dig threshold

dig past the last TOI

• Validate the whole process

targeted investigation of items classified as likely clutter

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For More Information

serdp-estcp.org

Featured Initiatives > Munitions Response Initiatives > Classification Applied to Munitions Response Or Search – Classification Applied to Munitions Response

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