U.S. NRC and Industry Public Meeting

Buried/Underground Piping

American Society of Mechanical Enginee

October 20, 2011

Daniel W Lamond Daniel

W. Lamond

Automated Engineering Services (AES) Corporation
ASME SCXI Buried Component Activities

ASME Inservice Inspection Standards Committ• Consensus Body Standards Committee• Boiler & Pressure Vessel Code

– Section XI, Inservice Inspection

• Board of Nuclear Codes and Standards (
ASME SCXI Buried Component Activities

Committee Groups Relevant to Buried Compon• TG Buried Component Inspection & Test• TG Evaluation Procedures for Degraded 

Piping

• WG Pressure Testing• Special WG Nuclear Plant Aging Manage• SG Water Cooled Systems• SG Nondestructive Examination• SG Industry Experience for New Plants
ASME SCXI Buried Component Activities

Current Section XI Rules• IWA-5244, Buried Component Leakage T

– Visual of Annulus Visual of Annulus– Pressure Decay or Change in Flow– Unim

paired Flow 

• Code Case N-776, Ground Surface Exam

Program
ASME SCXI Buried Component Activities

TG BCIT TG BCIT – Recent Timeline Recent Timeline• November 2010

→ TG Approved by Executive Committee Approved by Executive Committee→ Charter Established

• January 31, 2011 (1Q11)

→ I l T k G M ti Inaugural Tas

k

Group 

Meeting

• May 9, 2011 (2Q11)

→ Membership & Interest Groups

→ Scope & Initial Action Items

• August 8, 2011 (3Q11)

→ Data Collection Activities Data Collection Activities→ First Code Paragraph Considerations

• November 7, 2011 (4Q11)

N t M ti

→

Nex

t

Meeting
ASME SCXI Buried Component Activities

TG BCIT TG BCIT – Goals• Consider All Stakeholders• Evaluate the Safety and Functional Impa

Recent Operating Experience

• Compile Industry Group Activities and Gu• Assess and Support Inspection Techniqu

Dl t eve opmen

t

• Codify Best Practices• Publish a Practical, Manageable set of 

Technically Sound Rules for Regulatory 

Endorsement
ASME SCXI Buried Component Activities

TG BCIT TG BCIT – Scope• Buried and Underground Piping & Compo• Structural and Leakage Integrity• Industry Events and OE• Commission Activities• Industry Groups (NEI, EPRI, INPO, NACE• Guidelines and Plant Programs
ASME SCXI Buried Component Activities

TG BCIT TG BCIT – Scope, Phased Approach Scope, Phased Approach• Component Classifications

Safety Related Related

Cl d 1 2 d3

Non-Safety Relate

Relate

• Classe

d

1, 2, an

d

3 M C id 

• Non-Classed

•

Many 

Considera

- Function

- Impact- Jurisdiction- Owner
ASME SCXI Buried Component Activities

TG BCIT TG BCIT – Agenda Topics Agenda Topics• Programmatic• Inspection & Testing• Mitigation, Repair, Replacement• Design and New Plants
ASME SCXI Buried Component Activities

TG BCIT – Action Item Status Action Item Status

AI #1 Liaisons – NACE and Section V OpenAI #2 Develop Historical White Paper Close iAI #3 Define Scope Initial CAI #4 C il I d t Compile In

dus

try

Papers I iti l Initi

al C 

AI #5 List of BP Inspection Methods OpenAI #6 EPIX O

p gp eratin

g Ex

perience O

pen

AI #7 BPI Initiative Timeline Close iAI #8 Codify New Rules Open
ASME SCXI Buried Component Activities

TG BCIT TG BCIT – AI #5, List of BP Inspection Methods AI #5, List of BP Inspection Methods• First Compilation, No Screening Criteria

Direct• Visual Inspection• Liquid Penetrant Testing

Indirect• Pipe-to-Soil Potentia

• Liquid Penetrant Testing

• Direct Current Volta

• Magnetic Particle Testing• Guided Wave

• Direct Current Volta• Pearson Survey / Al

Current Voltage Gra

• Lamb Wave Close Internal Poten• Remote Field Testing• Magnetic Flux Leakage

• Close Internal Poten

• Area Potential Earth • Soil Analysis

• UT & Inspection Vehicles• Radiography• Electromagnetic Technology

Electromagnetic Technology
ASME SCXI Buried Component Activities

TG BCIT TG BCIT – AI #8, Codify New Rules AI #8, Codify New Rules• Update Current IWA-5244, Buried Compo• Reference vs. Extract From NEI Guidelin• New IWx-2500 Inspection Requirements• New IWA-2200 Examination Methods• Update IWx-3000 Acceptance Criteria• Stand-Alone Section XI SubSection (IW_• Include as Section XI Appendix
ASME SCXI Buried Component Activities

Summary• Strengthening ASME Standards relative t

Buried Component Inspection Buried Component Inspection

• Consideration of Ongoing Industry Activit• Phased Approach to System Scope Phased Approach to System Scope• Enabling Clear Requirements and Consis

Fleet Im

plementation