ML14085A250

Notification of NRC Component Design Bases Inspection (05000458/2014007) and Initial Request for Information

ML14085A250
Person / Time
Site:	River Bend
Issue date:	03/24/2014
From:	Thomas Farnholtz Region 4 Engineering Branch 1
To:	Olson E Entergy Operations
G. George
References
IR-14-007
Download: ML14085A250 (7)

See also: IR 05000458/2014007

Text

March 24, 2014

Mr. Eric Olson

Site Vice President

Entergy Operations, Inc.

River Bend Station

5485 US Highway 61N

St. Francisville, LA 70775

SUBJECT:

RIVER BEND STATION - NOTIFICATION OF NRC COMPONENT DESIGN

BASES INSPECTION (05000458/2014007) AND INITIAL REQUEST FOR

INFORMATION

Dear Mr. Olson:

On July 8, 2014, the NRC will begin a triennial baseline Component Design Bases Inspection at

the River Bend Station. A seven person team will perform this inspection using NRC Inspection

Procedure 71111.21, Component Design Bases Inspection.

The inspection focuses on components and operator actions that have high risk and low design

margins. The samples reviewed during this inspection will be identified during an information

gathering visit and during the subsequent in-office preparation week. In addition, a number of

operating experience issues will also be selected for review.

The inspection will include an information gathering site visit by the team leader and a senior

reactor analyst, and three weeks of onsite inspection by the team. The inspection team will

consist of seven members; a team leader, four NRC inspectors, and two contractors. Five of

the members will focus on engineering and one on operations. The current inspection schedule

is as follows:

Onsite Information Gathering Visit: July 8, 2014

Preparation Week: July 14-18, 2014

Onsite Weeks: July 21-25, 2014; August 4-8, 2014; and August 18-22, 2014

The purpose of the information gathering visit is to meet with members of your staff to identify

potential risk-significant systems, components, and operator actions. The team leader will also

request a tour of the plant with members of your operations staff and probabilistic safety

assessment staff. During the onsite weeks, several days of time will be needed on the plant-

referenced simulator in order to facilitate the development of operator action-based scenarios.

Additional information and documentation needed to support the inspection will be identified

during the inspection, including interviews with engineering managers, engineers, and

probabilistic safety assessment staff.

UNITED STATES

NUCLEAR REGULATORY COMMISSION

REGION IV

1600 E. LAMAR BLVD.

ARLINGTON, TX 76011-4511

E. Olson

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Our experience with these inspections has shown that they are extremely resource intensive,

both for the NRC inspectors and the licensee staff. In order to minimize the inspection impact

on the site and to ensure a productive inspection, we have enclosed a request for information

needed for the inspection. The request has been divided into three groups. The first group lists

information necessary for the information gathering visit and for general preparation. This

information should be available to the regional office no later than June 23, 2014. Insofar as

possible, this information should be provided electronically to the team leader. Since the

inspection will be concentrated on high risk/low margin components, calculations associated

with your list of high risk components should be available to review during the information

gathering visit to assist in our selection of components based on available design margin.

The second group of documents requested are those items that the team will need access to

during the preparation week in order to finalize the samples to be inspected. The third group

lists information necessary to aid the inspection team in tracking issues identified as a result of

the inspection. It is requested that this information be provided to the lead inspector as the

information is generated during the inspection. Additional requests by inspectors will be made

throughout all three onsite weeks for specific documents needed to complete the review of that

component/selection. It is important that all of these documents are up to date and complete in

order to minimize the number of additional documents requested during the preparation and/or

the onsite portions of the inspection. In order to facilitate the inspection, we request that a

contact individual be assigned to each inspector to ensure information requests, questions, and

concerns are addressed in a timely manner.

The lead inspector for this inspection is Gerond A. George. We understand that our licensing

engineer contact for this inspection is Kristi Huffstatler. If there are any questions about the

inspection or the requested materials, please contact the lead inspector by telephone at

817-200-1562 or by e-mail at Gerond.George@nrc.gov.

In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter will be

made available electronically for public inspection in the NRC Public Document Room or from

the Publicly Available Records (PARS) component of NRCs document system (ADAMS).

ADAMS is accessible from the NRC Web site at http://www.nrc.gov/reading-rm/adams.html (the

Public Electronic Reading Room).

Sincerely,

/RA/

Thomas R. Farnholtz, Chief

Engineering Branch 1

Division of Reactor Safety

Docket: 50-548

License: NPF-47

Enclosure: Component Design Bases Inspection Request for Information

Electronic Distribution to River Bend Station

E. Olson

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Electronic distribution by RIV:

Regional Administrator (Marc.Dapas@nrc.gov)

Deputy Regional Administrator (Steven.Reynolds@nrc.gov)

DRP Director (Kriss.Kennedy@nrc.gov)

DRP Deputy Director (Troy.Pruett@nrc.gov)

Acting DRS Director (Jeff.Clark@nrc.gov)

Acting DRS Deputy Director (Geoffrey.Miller@nrc.gov)

Senior Resident Inspector (Grant.Larkin@nrc.gov)

Resident Inspector (Andy.Barrett@nrc.gov)

RBS Administrative Assistant (Lisa.Day@nrc.gov)

Branch Chief, DRP/C (Don.Allen@nrc.gov)

Senior Project Engineer (Ray.Azua@nrc.gov)

Project Engineer (Paul.Nizov@nrc.gov)

Project Engineer (Michael.Langelier@nrc.gov)

Public Affairs Officer (Victor.Dricks@nrc.gov)

Public Affairs Officer (Lara.Uselding@nrc.gov)

Project Manager (Alan.Wang@nrc.gov)

Branch Chief, DRS/TSB (Ray.Kellar@nrc.gov)

RITS Coordinator (Marisa.Herrera@nrc.gov)

ACES (R4Enforcement.Resource@nrc.gov)

Regional Counsel (Karla.Fuller@nrc.gov)

Technical Support Assistant (Loretta.Williams@nrc.gov)

Congressional Affairs Officer (Jenny.Weil@nrc.gov)

RIV/ETA: OEDO (Ernesto.Quinones@nrc.gov)

R:\\_REACTORS\\RBS\\2014\\RBS2014007-RFI-GAG.pdf

ML14085A250

SUNSI Review

Initials:

Non-Sensitive

Sensitive

Publicly Available

Non-Publicly Available

RI:EB1

C:EB1

GGeorge

TFarnholtz

/RA/

/RA/

3/14/14

3/24/14

OFFICIAL RECORD COPY

T-Telephone

E-Email

F-Fax

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Enclosure

Initial Request for Information

Component Design Bases Inspection

River Bend Station

Information Gathering Dates:

July 8, 2014

Inspection Dates:

July 21-25, 2014; August 4-8, 2014; and August 18-22,

2014

Inspection Procedure:

IP 71111.21, Component Design Bases Inspection

Lead Inspector:

Gerond A. George, Senior Reactor Inspector

I.

Information Requested Prior to Information Gathering Visit (July 8, 2014)

The following information (Section I of this enclosure) should be sent to the Region IV

office in hard copy or electronic format (compact disc or Certrec IMS preferred), to the

attention of Gerond A. George, by June 23, 2014, to facilitate the reduction in the items

to be selected for a final list following the information gathering visit. The inspection

team will finalize the selected list during the prep week using the additional documents

requested in Section II of this enclosure. The specific items selected from the lists shall

be available and ready for review on the day indicated in this request. *Please provide

requested documentation electronically in pdf files, Excel, or other searchable formats,

if possible. The information should contain descriptive names, and be indexed and

hyperlinked to facilitate ease of use. Information in "lists" should contain enough

information to be easily understood by someone who has knowledge of boiling water

reactor technology. If requested documents are large and only hard copy formats are

available, please inform the inspector(s), and provide subject documentation during the

first day of the onsite inspection.

1. An excel spreadsheet of equipment basic events (with definitions) including

importance measures sorted by risk achievement worth (RAW) and Fussell-Vesely

(FV) from your internal events probabilistic risk assessment (PRA). Include basic

events with RAW value of 1.3 or greater.

2. Provide a list of the top 500 cut-sets from your PRA.

3. Copies of PRA system notebooks, and the latest PRA summary document.

4. An excel spreadsheet of PRA human action basic events or risk ranking of operator

actions from your site specific PSA sorted by RAW and FV. Provide copies of your

human reliability worksheets for these items.

5. List of procedures used to accomplish operator actions associated with the basic

events in your PRA.

6. A list of all time-critical operator actions in procedures.

7. If you have an external events or fire PSA model, provide the information requested

in items 1-4 for external events and fire.

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Enclosure

8. Any pre-existing evaluation or list of components and associated calculations with

low design margins, (i.e., pumps closest to the design limit for flow or pressure,

diesel generator close to design required output, heat exchangers close to rated

design heat removal, etc.).

9. List of high risk maintenance rule systems/components and functions; based on

engineering or expert panel judgment.

10. Structure, system, and components in the Maintenance Rule (a)(1) category.

11. Site top 10 issues list.

12. A list of operating experience evaluations for the last 3 years.

13. List of any common-cause failure evaluation of components in the last 5 years.

14. List of root cause evaluations associated with component failures or design issues

initiated/completed in the last 3 years.

15. A list of permanent and temporary modifications for the previous 3 years.

16. List of current operator work arounds/burdens.

17. A copy of any internal/external self-assessments and associated corrective action

documents generated in preparation for the inspection.

18. A copy of engineering/operations related audits completed in the last 2 years.

19. Current management and engineering organizational charts.

20. List of licensee contacts for the inspection team with pager or phone numbers.

II.

Information Requested to be Available on First Day of Preparation Week

(July 14, 2014)

1. An electronic copy of the Design Bases Documents for the selected components.

2. An electronic copy of the System Health notebooks for the selected components.

3. List of condition reports (corrective action documents) associated with each of the

selected components for the last 5 years.

4. The corrective maintenance history associated with each of the selected components

for the last 5 years.

5. Copies of calculations associated with each of the selected components (if not

previously provided), excluding data files. Please review the calculations and also

provide copies of reference material (such as drawings, engineering requests, and

vendor letters).

6. Copies of operability evaluations associated with each of the selected components

and plans for restoring operability, if applicable.

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Enclosure

7. Copies of selected operator work-around evaluations associated with each of the

selected components and plans for resolution, if applicable.

8. Lists of any open temporary modifications associated with each of the selected

components, if applicable.

9. Trend data on the selected electrical/mechanical components performance for last 3

years (for example, pumps performance including in-service testing, other vibration

monitoring, oil sample results, etc., as applicable).

10. List of motor operated valves (MOVs) in the program, design margin and risk

ranking.

11. List of air operated valves (AOVs) in the valve program, design and risk ranking.

12. Mechanical piping drawings for:

Engineered safety features

Emergency core cooling systems

Emergency diesel generators

13. Electrical one-line drawings for:

Offsite power/switchyard supplies

Normal AC power systems

Emergency AC/DC power systems including

120VAC power, and

125VDC/24VDC safety class systems

III.

Information Requested to be provided throughout the inspection.

1. Copies of any corrective action documents generated as a result of the teams

questions or queries during this inspection.

2. Copies of the list of questions submitted by the team members and the

status/resolution of the information requested (provide daily during the inspection to

each team member).

3. Reference materials (available electronically and as needed during all onsite weeks):

General set of plant drawings

IPE/IPEEE/PRA report

Procurement documents for components selected

Plant procedures (normal, abnormal, emergency, surveillance, etc.)

Technical Specifications

Updated Final Safety Analysis Report

Vendor manuals

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Enclosure

Inspector Contact Information:

Gerond A. George

Senior Reactor Inspector

(817)200-1562

Gerond.George@nrc.gov

Mailing Address:

U.S. NRC, Region IV

Attn: Gerond A. George

1600 East Lamar Blvd.

Arlington, TX 76011-4511