ML18274A192

Notification of NRC Triennial Heat Sink Performance Inspection (05000528/2018004, 05000529/2018004 and 05000530/2018004) and Request for Information

ML18274A192
Person / Time
Site:	Palo Verde
Issue date:	10/01/2018
From:	Thomas Farnholtz Region 4 Engineering Branch 1
To:	Bement R Arizona Public Service Co
References
IR 2018004
Download: ML18274A192 (5)

See also: IR 05000528/2018004

Text

October 1, 2018

Mr. Robert Bement

Executive Vice President, Nuclear/CNO

Mail Station 7602

Arizona Public Service Company

P.O. Box 52034

Phoenix, AZ 85072-2034

SUBJECT: PALO VERDE NUCLEAR GENERATING STATION - NOTIFICATION OF NRC

TRIENNIAL HEAT SINK PERFORMANCE INSPECTION (05000528/2018004,

05000529/2018004, AND 05000530/2018004) AND REQUEST FOR

INFORMATION

Dear Mr. Bement:

The purpose of this letter is to notify you that U.S. Nuclear Regulatory Commission (NRC) staff

will conduct a triennial heat sink performance inspection at your Palo Verde Nuclear Generating

Station from November 5 - 9, 2018. The inspection will consist of two reactor inspectors from

the NRCs Region IV office for one week. The inspection will be conducted in accordance with

NRC Inspection Procedure 71111, Attachment 07, Heat Sink Performance.

Experience has shown that this inspection is resource intensive both for the NRC inspectors

and your staff. In order to minimize the impact to your onsite resources and to ensure a

productive inspection, we have enclosed a request for documents needed for this inspection.

Please note that the documents are requested to be provided by October 29, 2018. Also,

appropriate personnel knowledgeable of heat exchangers should be available to support the

inspectors at the site during the inspection.

We have discussed the schedule for this inspection activity with your staff and understand that

our regulatory contact for this inspection will be Lorraine Weaver of your licensing organization.

If there are any questions about this inspection or the material requested, please contact the

lead inspector, Chris Smith, by telephone at 817-200-1095 or by e-mail at Chris.Smith@nrc.gov.

This letter does not contain new or amended information collection requirements subject to the

Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). Existing information collection

requirements were approved by the Office of Management and Budget, control number 3150-

0011. The NRC may not conduct or sponsor, and a person is not required to respond to, a

request for information or an information collection requirement unless the requesting document

displays a currently valid Office of Management and Budget control number.

In accordance with 10 CFR 2.390 of the NRCs Agency Rules of Practice and Procedure, a

copy of this letter and its enclosure will be available electronically for public inspection in the

NRC Public Document Room or from the Publicly Available Records (PARS) component of

NRC's document system (ADAMS).

R. Bement 2

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 Nos. 50-528, 50-529, 50-530

License Nos. NPF-41, NPF-51, NPF-74

Enclosure:

Triennial Heat Sink Performance Inspection Request for Information

cc: Distribution for the Palo Verde Nuclear Generating Station

ML18274A192

X SUNSI Review ADAMS: Non-Publicly Available X Non-Sensitive Keyword:

By: CSmith X Yes No X Publicly Available Sensitive NRC-002

OFFICE RI:EB1 RI:EB1 C:EB1 C:PBD C:EB1

NAME CSmith JBraisted TFarnholtz NOKeefe TFarnholtz

SIGNATURE /RA/ /RA/ /RA/ /RA/ /RA/

DATE 09/19/18 09/18/18 09/19/18 09/20/18 10/01/18

Request for Information

Triennial Heat Sink Performance Inspection

Palo Verde Nuclear Generating Station

Inspection Report: 05000528/2018004, 05000529/2018004, and 05000530/2018004

Inspection Dates: November 5 - 9, 2018

Inspection Procedure: IP 71111.07, Heat Sink Performance, Triennial Review

Inspectors: Chris Smith, Reactor Lead Inspector

Jonathan Braisted, Reactor Inspector

Information Requested for the In-Office Preparation Week

The following information should be made available to the lead inspector, Chris Smith, by

October 29, 2018. Please note that additional information may be requested during the onsite

portion of the inspection. It is preferable to have the information provided in electronic format,

although the information may also be sent to the Region IV office in hard copy to the attention

the lead inspector. Also, we request that you categorize the documents in your response with

the numbered list below. If any requested documents are large and only hard copy formats are

available, please inform the inspector, and provide the documentation during the first day of the

onsite inspection. Additionally, requested documents such as corrective action program

documents are to be for the time period from the current onsite inspection back to the previous

triennial heat sink performance inspection. Requested documents such as surveillances,

maintenance tasks, or thermal performance tests are to be the last three performances of those

activities. If the requested documentation does not apply to the sample selection for this

inspection, no response is necessary. If the information requested above will not be available or

if there are questions regarding this information request, please contact the lead inspector as

soon as possible.

The following heat exchangers/heat sinks have been selected for inspection:

• Unit 1, Essential Chiller A

• Unit 2, Essential Cooling Water System Heat Exchanger B

• Unit 1, Fuel Pool Cooling Heat Exchanger B

• Unit 3, Auxiliary Feedwater Pump Turbine Oil Cooler

I. For the selected heat exchangers, as applicable:

1. Method and results of heat exchanger performance testing (last 3 results)

2. Method and results of heat exchanger inspection and cleaning (last 3 results)

3. Procedures for heat exchanger operation, normal and off-normal

4. Updated final safety analysis report, technical specifications (and bases), and technical

requirements manual

5. Relevant heat transfer calculations

Enclosure

6. Tube plugging maps, tube plugging criteria, and allowable tube plugging

7. Evaluations of water hammer in susceptible heat exchangers

8. Results from periodic flow testing or flow balancing (last 3 results)

9. Eddy current test reports and visual inspection records (last 3 results)

10. Chemical treatment program for corrosion control

11. List (with descriptions) of corrective action program documents (last 3 years)

12. List (with descriptions) of preventive maintenance tasks and frequency

13. Heat exchanger data sheets and design specifications

14. Design basis documents and system health reports

15. List of any Generic Letter 89-13 commitments

Inspector Contact Information:

Chris Smith, Lead Jonathan Braisted

Reactor Inspector Reactor Inspector

817-200-1095 817-200-1194

Chris.Smith@nrc.gov Jonathan.Braisted@nrc.gov

Mailing Address:

U.S. NRC, Region IV

Attn: Chris Smith

1600 East Lamar Blvd.

Arlington, TX 76011-4511

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