ML20133F231
| ML20133F231 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 01/08/1997 |
| From: | Diprofio W NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NYN-97003, TAC-M95312, NUDOCS 9701140114 | |
| Download: ML20133F231 (8) | |
Text
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i North North Atlantic Energy Service Corporation
'ty Atlantic seahreot, Nii O3874 P.O. Box 300 0
(603) 474 952t The Northeast Utilities System 4
i January 8,1997 i
t Docket No. 50-443 NYN-97003 United States Nuclear Regulatory Commission Attention:
Document Control Desk Washington, D.C. 20555 Seabrook Station Resoonse to Reauest For Additional Information (TAC No. M95312)
North Atlantic Energy Service Corporation (North Atlantic) has enclosed the data requested by the NRC i
on January 2,1997, pertaining to the leakage test results and valve maintenance history for the containment purge supply and exhaust valves. The enclosed data is submitted in support of North 2
Atlantic's License Amendment Request 96-05 dated June 4,1996, which proposed changes to the Seabrook Station Technical Specifications to implement 10CFR Part 50 Appendix J, Option B. contains the requested data for the purge supply valves COP-V1 and COP-V2. Enclosure 2 contains the requested data for the purge exhaust valves COP-V3 and COP-V4. The enclosed data covers the period of May 1986 to November 1996. A portion of the enclosed data (May 1986 to January 3
1995) was previously submitted by North Atlantic on February 17,1995.
i
' USNRC Letter dated January 2,1997," Request for AdditionalInformation Regarding the
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Implementation of 10 CFR Part 50 Appendix J, Option B - License Amendment Request 96-05 (TAC No, M95312)" A.W. De Agazio to T.C. Feigenbaum.
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' North Atlantic Letter NYN-96033 dated June 4,1996," License Amendment Request 96-05, implementation of 10CFR50 Appendix J, Option B, Containment Leakage Rate Testing" T.C.
I Feigenbaum to USNRC.
8 North Atlantic Letter NYN-95019 dated February 17,1995," Request for Schedular Exemption From Type A Integrated Leak Rate Test (ILRT)" T.C. Feigenbaum to USNRC 9701140114 970108 PDR ADOCK 05000443 p
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United States Nuclear Regulatory Commission NYN-97003/Page 2 l
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Should you have any. questions regarding the attached, please contact Mr. Anthony Callendrello, Licensing Manager, at (603) 773-7751.
Very truly yours, f
NORTH ATLANTIC ENERGY SERVICE CORP.
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William A. dip fio Unit Director i
cc:
li.J. Miller, Region I Administrator i
A.W. De Agazio, NRC Project Manager, Seabrook Station J.B. Macdonald, Senior Resident Inspector, Seabrook Station I
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0 ENCLOSURE 1 TO NYN-97003 1
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TYPE B & C LOCAL LEAKAGE RATE TEST (LLRT) DATA Penetration:
X-18 (1 of 2)
System:
CONTAINMENT ON-LINE PURGE (SUPPLY)
Equipment Tested: COP-V2 (IRC)/ COP-VI (ORC)
Maximum Pathway: COMBINED LEAKAGE TIIROUGH COP-V2 AND COP-VI Minimum Pathway: IIALF TIIE COMBINED LEAKAGE TIIROUGII COP-V2 AND 1
COP-VI Tech. Spec. Limit:
0.01 La (7.4 SCFII)
COP-V2 (IRC)/ COP-V1(ORC) l LEAKAGE (SCFII)
DATE AS-FOUND AS-LEIPI' REMARKS 05-22-86 0.350 Preop. LLRT 12-22-86 0.400 0.400 l
04-03-87 1.200 1.200 10-16-87 0.800 0.800 05-20-88 0.304 0.304 11-02-88 1.100 1.100 04-04-89 0.810 0.810 08-24 89 0.860 0.860 l
11-16-89 0.715 0.715 02-01-90 1.170 1.170 04-25-90 1.620 1.620 07-25-90 2.440 2.440 10-25-90 0.810 0.810 l
01-30-91 1.120 1.120 l
05-01-91 1.320 1.320 I
09-18-91 2.131 2.131 l
12-17-91 2.228 2.228 i
03-18-92 2.226 2.226 06-16-92 1.416 1.416 10-26-92 2.548 2.548 11-01-92 2.555 2.555 J
TYPE B & C LOCAL LEAKAGE RATE TEST (LLRT) DATA Penetration:
X-18 (2 of 2)
System:
CONTAINMENT ON-LINE PURGE (SUPPLY)
Equipment Tested: COP-V2 (IRC)/ COP-Vl(ORC)
Maximum Pathway: COMBINED LEAKAGE TIIROUGH COP-V2 AND COP-VI Minimum Pathway: HALF THE COMBINED LEAKAGE TIIROUGH COP-V2 AND COP-V1 Tech. Spec. Limit:
0.01 La (7.4 SCFII)
COP-V2(IRC)/ COP-V1 (ORC)
LEAKAGE (SCFH)
DATE AS-FOUND AS-LEFT REMARKS 02-02-93 2.049 2.049 05-04-93 1.518 1.518 07-28-93 1.717 1.717 10-26-93 1.321 1.321 01-13-94 1.219 1.219 02-08-94 1.946 1.946 07-20-94 2.039 2.039 10-17-94 1.932 1.932 01-16-95 2.246 2.246 04-13-95 1.838 1.838 07-12-95 2.101 2.101 10-05-95 2.063 2.063 12-05-95 2.416 2.416 Replace o-rings & diaphragms on the quick exhausters of both valves 03-06-96 2.447 2.447 05-29-96 2.134 2.134 08-20-96 2.440 2.440 11-20-96 1.936 1.936
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I ENCLOSURE 2 TO NYN-97003 i
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TYPE B & C LOCAL LEAKAGE RATE TEST (LLRT) DATA Penetration:
X-16 (1 of 2)
System:
CONTAINMENT ON-LINE PURGE (EXIIAUST)
Equipment Tested: COP-V3 (IRC)/ COP-V4 (ORC)
Maximum Pathway: COMBINED LEAKAGE TIIROUGH COP-V3 AND COP-V4 Minimum Pathway: IIALF TIIE COMBINED LEAKAGE TIIROUGII COP-V3 AND COP-V4 Tech. Spec. Limit:
0.01 La (7.4 SCFII)
COP-V3 (IRC)/ COP-V4 (ORC)
LEAKAGE (SCFII)
DATE AS-FOUND AS-LEFT REMARKS 05-22-86 2.050 Preop. LLRT 12-22-86 2.250 2.250 04-03-87 2.600 2.600 10-16-87 2.300 2.300 05-20-88 1.869 1.869 11-02-88 2.230 2.230 04-04-89 2.430 2.430 08-24-89 2.430 2.430 11-16-89 2.440 2.440 11-30-89 2.275 2.275 t
02-01-90 2.390 2.390 04-25-90 2.330 2.330 07-25-90 2.230 2.230 10-25-90 2.030 2.030 01-30-91 2.440 2.440 05-01-91 2.140 2.140 09-18-91 2.435 2.435 l
12-17-91 2.228 2.228 03-18-92 2.226 2.226 06-16-92 2.428 2.428 10-26-92 2.341 2.341 11-01-92 2.232 2.232 4
TYPE B & C LOCAL LEAKAGE RATE TEST (LLRT) DATA Penetration:
X-16 (2 of 2)
System:
CONTAINMENT ON-LINE PURGE (EXIIAUST) i Equipment Tested: COP-V3 (IRC)/ COP-V4 (ORC) l Maximum Pathway: COMBINED LEAKAGE TIIROUGli COP-V3 AND COP-V4 Minimum Pathway: IIALF TIIE COMBINED LEAKAGE TIIROUGli COP-V3 AND COP-V4 Tech. Spec. Limit:
0.01 La (7.4 SCFII)
COP-V3 (IRC)/ COP-V4 (ORC)
LEAKAGE (SCFII)
DATE AS-FOUND AS-LEFT REMARKS 02-02-93 2.055 2.055 05-04-93 2.227 2.227 07-28-93 2.424 2.424 10-26-93 2.227 2.227 01-13-94 2.040 2.040 02-08-94 2.260 2.260 07-20-94 2.243 2.243 10-17-94 1.831 1.831 01-16-95 2.246 2.246 04-13-95 2.043 2.043 07-12-95 2.626 2.626 10-05-95 2.358 2.358 12-05-95 2.307 2.307 Replace o-rings & diaphragms on the quick exhausters of both valves 03-06-96 2.352 2.352 05-29-96 2.748 2.748 08-20-96 2.460 2.460 11-20-96 2.343 2.343