ML18016A491

Forwards Written Response to 980528 RAI Re GSI 165, Spring- Actuated Safety & Relief Valve Reliability.

ML18016A491
Person / Time
Site:	Harris
Issue date:	07/30/1998
From:	Donahue J CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
REF-GTECI-*****, REF-GTECI-NI, TASK-*****, TASK-OR HNP-98-103, NUDOCS 9808040211
Download: ML18016A491 (6)

Text

CATEGORY 1 REGULA'1 RY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9808040211 DOC.DATE: 98/07/30 NOTARIZED: NO DOCKET FACIL:50-,400 Shearon Harris Nuclear Power Plant, Unit 1, Carolina 05000400 AUTH.'gAMEgB AUTHOR AFFILIATION DONAHUE,J.R. Carolina Power 6 Light Co; RECIP.NAME RECIPIENT AFFILIATION Records Management Branch (Document Control Desk)

SUBJECT:

Forwards written response to 980528 RAI re GSI 165, "Spring Actuated Safety 6 Relief Valve Reliability."

DISTRIBUTION CODE: A001D COPIES RECEIVED:LTR I ENCL I SIZE:

TITLE: OR Submittal: General Distribution NOTES:Application for permit renewal filed. 05000400 E

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD2-1 LA 1 1 s PD2-1 PD 1 1 FLANDERS,S 1 1 INTERNAL: ACRS 1 1 1 1 NRR/DE/ECGB/A 1 NRR/DE/EMCB 1 1 NRR/DRCH/HICB 1 1 NRR/DSSA/SPLB 1 1 NRR/DSSA/SRXB 1 1 NUDOCS-ABSTRACT 1 1 OGC/HDS2 1 0 EXTERNAL: NOAC NRC PDR D

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N NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD) ON EXTENSION 415-2083 TOTAL NUMBER OF COPIES REQUIRED: LTTR 14 ENCL 13

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Carolina Power & Ught Colnpany Harris Nuclear Plant P.O. Box 165 New Hill NC 27562 SERIAL: HNP-98-103 JUL 30 1998 United States Nuclear Regulatory Commission ATTENTION: Document Control Desk Washington, DC 20555 SHEARON HARRIS NUCLEAR POWER PLANT DOCKET NO. 50-400/LICENSE NO. NPF-63 RESPONSE TO REQUEST FOR ADDITIONALINFORMATION REGARDING GENERIC SAFETY ISSUE 165

Dear Sir or Madam:

By letter dated May 28, 1998, the NRC requested that Carolina Power & Light Company (CPkL) respond to a request for additional information regarding Genetic Safety Issue (GSI) 165, "Spring-Actuated Safety and Relief Valve Reliability." This letter, received on June 1, 1998, requested that the information be provided within 60 days of receipt of the letter.

A written response providing the requested information is enclosed. Questions regarding this matter may be referred to Mr. J. H. Eads at (919) 362-2646.

Sincerely, J. W. Dona 1ue Director of Site Operations Harris Plant AEC/aec Enclosure Mr. J. B. Brady (NRC Senior Resident Inspector, HNP)

Mr. L. A. Reyes (NRC Regional Administrator, Region II)

Mr. S. C. Flanders (NRR Project Manager, HNP) yo) 5413 Shearon Harris Rood New Hill NC A %AC'

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'st8080402i PDR ADOCK i 'st80730 05000400 P POR

Enclosure to SERIAL: HNP-98-103 Page 1 of 2 SHEARON HARRIS NUCLEAR POWER PLANT DOCKET NO. 50-400/LICENSE NO. NPF-63 RESPONSE TO REQUEST FOR ADDITIONALINFORMATION REGARDING GENERIC SAFETY ISSUE 165 Re nested Information:

Please provide the manufacturer, model, orifice size, and set pressure for each of the valves in the table.

Item Drawing Valve I.D. Manufacturer Model Orifice Set Size ~ Pressure AMF relief valve 1CS-745 AMF relief valve 1CS-753 EDG air tank SRV CPL-2165 IEA-6 S-0633 EDG air tank SRV CPL-2165 IEA-21 S-0633 EDG air tank SRV CPL-2165 IEA-37 S-0633 EDG air tank SRV CPL-2165 IEA-52 S-0633

• Orifice size or rated flow at rated pressure.

Enclosure to SERIAL: HNP-98-103 Page 2 of 2

~Res nnse The following table provides the requested valve information.

Item Drawing Valve I.D. Manufacturer Model Orifice Set Size

• Pressure

'PL-2165 Motor-Operated Valve S-1304 1CS-745 Velan 2TM78FNM N/A N/A

'otor-Operated CPL-2165 1CS-753 Velan 2TM78FNM N/A N/A Valve S-1304 EDG air tank CPL-2165 IEA-6 Crosby JMBU-E 774 275 psig SRV S-0633 scfm'74 EDG air tank CPL-2165 IEA-21 Crosby JMBU-E 275 psig SRV S-0633 scfm EDG air tank CPL-2165 IEA-37 Crosby JMBU-E 774 275 psig SRV S-0633 scfm EDG air tank CPL-2165 IEA-52 Crosby JMBU-E 774 275 psig SRV S-0633 scfm

• Orifice size or rated flow at rated pressure.

Note 1: Alternate Mini-Flow (AMF) relief valves 1CS-745 and 1CS-753 were removed by a plant modification and replaced with motor-operated valves and upstream restricting orifices.

Note 2: Emergency Diesel Generator (EDG) air tank safety relief valves (SRVs) IEA-6, IEA-21, IEA-37 and IEA-52 do not have orifices. The rated flow at rated pressure for these valves is 774 standard cubic feet per minute (SCFM) at 275 psig.

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