ML17292B028

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Proposed Tech Specs Revising TS 5.5.6 by Adding Note That Would Extend Interval Requirement to Perform Full Stroke Exercise Testing of TIP-V-6 Until 1998 Refueling Outage
ML17292B028
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 08/14/1997
From:
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17292B027 List:
References
NUDOCS 9708250381
Download: ML17292B028 (14)


Text

1 Programs and Manuals 5.5 5.5 Programs and Manuals (continued) 5.5.6 Inservice Testin Pro ram This program provides controls for inservice testing of ASHE Code Class 1,

2, and 3 pumps and valves.".

a.

Testing Frequencies specified in Section XI of the ASHE Boiler and Pressure Vessel Code and applicable Addenda as follows:

ASHE Boiler and Pressure Vessel Code and applicable Addenda terminology for inservice testing activities Weekly Monthly quarterly or every 3 months Semiannually or every 6 months Every 9 months Yearly or annually Biennially or every 2 years Required Frequencies for performing inservice testin activities At least once per 7 days At least once per 31 days At least once per 92 days At least once per 184 days At least once per 276 days At least once per 366 days At least once per 731 days b.

The provisions of SR 3.0.2 are applicable to the above required Frequencies for performing inservice testing activities; c.

The provisions of SR 3.0.3 are applicable to inservice testing activities; and d.

Nothing in the ASHE Boiler and Pressure Vessel Code shall be construed to supersede the requirements of any TS.

5.5.7 Ventilation Filter Testin Pro ram VFTP pppgP The VFTP shall establish the required testing of Engineered Safety Feature (ESF) filter ventilation systems.

continued

  • The Inservice Testing Program requirement for full stroke exercise testing at each refueling outage for TIP-V-6 shall not be required for the refueling outage conducted in the Spring, 1997.

This exception shall expire upon reaching MODE 4 for a plant shutdown of sufficient duration to allow TIP-V-6

testing, or Hay 15, 1998, whichever occurs first.

WNP-2 970825038i 9708i4 PDR ADOCK 05000397 P

PDR 5.0-11 Amendment No. 449 152

C

ghee-%P Programs and Manuals 5.5 5.5 Programs and Manuals 5.5.7 L.I<~~

/gal/A pad~

Ventilation Filter Testin Pro ram VFTP (continued)

Tests described in Specification 5.5.7.a and 5.5.7.b shall be performed once per 24 months; after each complete or partial replacement of the HEPA filter train or charcoal adsorber filter; after any structural maintenance on the system housing;

and, following significant painting, fire, or chemical release in any ventilation zone communicating with the system while it is in operation.

Tests described in Specification 5.5.7.c shall be performed once per 24 months; after 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system operation; after any structural maintenance on the system housing; and, -following significant painting, fire, or chemical release in any ventilation zone communicating with the system while it is in operation.

Tests described in Specification 5.5.7.d and 5.5.7.e shall be performed once per 24 months.

The provisions of SR 3.0.2 and SR 3.0.3 are applicable to the VFTP test Frequencies.

a.

Demonstrate for each of the ESF systems that an inplace test of the high efficiency particulate air (HEPA) filters shows a penetration and system bypass

< 0.05% when tested in accordance with Regulatory Guide 1.52, Revision 2, and ASME N510-1989 at the system flowrate specified below:

ESF Ventilation System Flowrate (cfm)

SGT System CREF System 4012 to 4902 900 to 1100 b.

Demonstrate for each of the ESF systems that an inplace test of the charcoal adsorber shows a penetration and system bypass

< 0.05% when tested in accordance with Regulatory Guide 1.52, Revision 2, and ASME N510-1989 at the system flowrate specified below:

ESF Ventilation System SGT System CREF System Flowrate (cfm) 4012 to 4902 900 to 1100 continued WNP-2 5.0-12 Amendment No. 449 152

EXIGENTREQUEST R AMI~22IDMENT FOR IS'Z PROGRAM FULLSTROKE TESTING REQ, Page 1 of 2 Evaluation of No Significant Hazards Considerations And Environmental Assessment ApplicabilityReview No Significant Hazards Determination:

In accordance with 10 CFR 50.91, using the standards in 10 CFR 50.92, the Supply System has evaluated the proposed amendment to the operating license and determined that it does not involve a significant hazards consideration.

The following is the evaluation for the three categories of no significant hazards consideration standards:

The operation of WNP-2 in accordance with the proposed amendment willnot involve a significant increase in the probability or consequence of an accident previously evaluated.

The purpose of the proposed license amendment is to extend the full stroke testing requirement interval for TIP-V-6 to the next shutdown of sufficient duration to complete the testing.

The test requirement assures the freedom of movement of the obturator of the check valve.

The probability of occurrence of an evaluated accident is not increased because extending the testing interval does not create a new precursor or effect an existing precursor to any design basis accident.

The consequences of an evaluated accident are not significantly increased because of the reliable performance history of TIP-V-6 and an operable TIP-V-15. The ability of TIP-V-6 to provide containment isolation is maintained.

Therefore, the proposed amendment request does not significantly increase the probability or consequences of an accident previously evaluated.

The operation of WNP-2 in accordance with the proposed amendment willnot create the possibility of a new or different kind of accident from any accident previously evaluated:

The Technical Specification amendment would not create a new or different kind of accident because it does not involve modification of the plant configuration, result in any physical change to TIP-V-6, or its operation.

As a result, no new failure modes are introduced.

Therefore, no new or different kinds of accidents are created.

The operation of WNP-2 in accordance with the proposed amendment willnot involve a significant reduction in the margin of safety for the following reasons:

The safety function of TIP-V-6 is to close to isolate primary containment under accident conditions.

The extension of this testing interval for TIP-V-6 will not decrease the reliability of the valve. The performance of TIP-V-6, as demonstrated through testing and inspection, has been good.

However, should the check valve fail to close to isolate the purge line, the external automatic isolation valve (TIP-V-15) would provide the required containment penetration isolation.

Plant and system response to an initiating event willremain unchanged.

Therefore, the proposed change does not involve a significant reduction in the margin of safety.

EXIGENTREQUEST FOR AM')MI~22IT FOR IST PROGRAM FULLSTROKE TESTING REQ, Page 2 of 2 Environmental Assessment ApplicabilityReview The proposed change to the license does not result in a significant hazards consideration.

In addition, the proposed change does not create a potential for a significant change in the types, or a significant increase in the amount of any effluent that may be released offsite, nor does the change involve a significant increase in individual or cumulative occupational radiation exposure.

Accordingly, the amendment meets the eligibilitycriteria for a categorical exclusion as set forth in 10 CFR 51.22(c)(9).

Therefore, in accordance with 10 CFR 51.22(b),

an environmental assessment of this amendment is not required.

EXIGENTREQUEST FOR AMENDMF22iT

$QR IST PROGRAM FULLSTROKE TESTING REQ, Page 1 of 5

t TIP-V-6 LEAKAGETESTING HISTORY ATWNP-2 TARGETLEAKAGEFOR TIP-V-6 WAS 85 SCCM IN 1987.

LEAKAGELIMITOF 74 SCCM WAS ESTABLISHEDIN 1989.

DATE 5-12-87 5-9-89 5-23-89 4-23-90 4-19-91 5-8-93 5-12-94 5-18-95 4-25-96 5-1-96 LEAKAGE 49.2 SCCM

>20,000 SCCM 0.4 SCCM 18.2 SCCM 4.0 SCCM 22.6 SCCM 0.2 SCCM 2.3 SCCM 0.8 SCCM 1.9 SCCM NOTES AS FOUND TEST AS LEFI'EST AS FOUND TEST AS LEFTTEST

-TIP-V-6 DIVAS DISASSEMBLEDAND INSPECfED SAT AND REASSEMBLED PER lV/0IVIIII

TIP-V-15 LEAKAGETESTING HISTORY ATWNP-2 TARGET LEAKAGEFOR TIP-V-15 WAS 85 SCCM IN 1987 AND 1988.

LEAKAGELIMITOF 148 SCCM WAS ESTABLISHEDIN 1991.

DATE 5-28-87 5-3-88 6-4-88 5-9-89 4-22-91 4-22-92 5-8-93 5-12-94 5-18-95 4-25-96 5-7-97 LEAKAGE 2710 SCCM

>20,000 SCCM 5 SCCM 19.9 SCCM 3.0 SCCM 10.5 SCCM 62.9 SCCM 16.2 SCCM 17 SCCM 71.6 SCCM 12.9 SCCM NOTES AS POUND TEST AS LEFI'OLLOWING REPLACEMENT OF TIP-V-15

WNP-2 TREND DATABASE TIP-V45 CLOSE TIME-RVC 121394 (SECS)

Actto R h:2 CI Date Time TIP-V-16 CLOSE TlME-RVC 121394 (SECS) 7/24/94 9/14/94 12/7/94 3/5/95 6/8/95 8/16/95 11/9/95 1/31/96 6/10/96 7/17/96 10/9/96 1/2/97 3/26/97 6/29/97 5:15 18:11 19:36 21:07 18:00 4:46 9:41 4.'16 3:02 1:50 3:50 2:08 2:19 4:57 0.510 0.280 0.230 0.380 0.380 OAOO 0.300 OAOO OAOO 0.330 0.410 OA40 0.280 OA40

WNP-2 TREND DATABASE TIP-V-15 OPEN TIME-RVC 121394 (SECS)

NO 1

0.6 Date Time TIP-V-16 OPEN TIME-RVC 121394 (SECS) 7/24/94 5:15 0.350 9/1494 18:11 0.250 12/T/94 19:36 0.280 3/5/95 21:07 0.340 6/8/95 18:00 0.750 8/16/95 4:46 0.350 11/9/95 9 41 0.300 1/31/96 4:16 OA30 6/10/96 3:02 0.330 7/17/96 1:50 0.370 10/9/96 3:50 OA50 1/2/97 2:08 OAOO 3/26/97 2;19 0.350 6/29/97 4:57 0.540

EXIGENTREQUEST FOR AlVIFADMIPIT POR ISP PROGRAM PIILLSIRORR SOPPING RMQ~, Page 1 of 3

Programs and Manuals 5.5 5.5.

Programs and Manuals (continued) 5.5.6 Inservice Testin Pro ram This program provides controls for inservice testing of ASME Code Class 1, 2, and 3 pumps and valves.*

'a ~

Testing Frequencies specified in Section XI of the ASHE Boiler and Pressure Vessel Code and applicable Addenda as follows:

ASME Boiler and Pressure Vessel Code and applicable Addenda terminology for inservice testing activities Required Frequencies for performing inservice testin activities Weekly Monthly quarterly or every 3 months Semiannually or every 6 months Every 9 months Yearly or annually Biennially or every 2 years At least once per 7 days At least once per 31 days At least once per 92 days At least once per 184 days At least once per 276 days At least once per 366 days At least once per 731 days b.

The provisions of SR 3.0.2 are applicable to the above required Frequencies for performing inservice testing activities; C.

d.

The provisions of SR 3.0.3 are applicable to inservice testing activities; and Nothing in the ASHE Boiler and Pressure Vessel Code shall be construed to supersede the requirements of any TS.

5.5.7 Ventilation Filter Testin Pro ram VFTP The VFTP shall establish the required testing of Engineered Safety Feature (ESF) filter ventilation systems.

continued

  • The Inservice Testing Program requirement for full stroke exercise testing at each refueling outage for TIP-V-6 shall not 'be required for the refueling outage conducted in the Spring, 1997.

This exception shall expire upon reaching NODE 4 for a plant shutdown of sufficient duration to allow TIP-V-6

testing, or Hay 15, 1998, whichever occurs first.

WNP-2 5.0-11 Amendment No. 449 152

P p, pk E

I

'<<E.

Programs and Hanuals 5.5 5.5 programs and Hanuals 5.5.7 Ventilation Filter Testin Pro ram VFTP (continued)

Tests described in Specification 5.5.7.a and 5.5.7.b shall be performed once per 24 months; after each complete or partial replacement of the HEPA filter train or charcoal adsorber filter; after any structural maintenance on the system housing;

and, following significant painting, fire, or chemical release in any ventilation zone communicating with the system while it is in operation.

Tests described in Specification 5.5.7.c shall be performed once per 24 months; after 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system operation; after any structural maintenance on the system housing; and, following significant painting, fire, or chemical release in any ventilation zone communicating with the system while. it is in operation.

Tests described in Specification 5.5.7.d and 5.5.7.e shall be performed once per 24 months.

The provisions of SR 3.0.2 and SR 3.0.3 are applicable to the VFTP test Frequencies.

a ~

Demonstrate for each of the ESF systems that an inplace test of the high efficiency particulate air (HEPA) filters shows a penetration and system bypass

< 0.05% when tested in accordance with Regulatory Guide 1.52, Revision 2, and ASHE N510-1989 at the system flowrate specified below:

ESF Ventilation System Flowrate (cfm)

SGT System CREF System 4012 to 4902 900 to 1100 b.

Demonstrate for each of the ESF systems that an inplace test of the charcoal adsorber shows a penetration and system bypass

< 0.05% when tested in accordance with Regulatory Guide 1.52, Revision 2, and ASHE N510-1989 at the system flowrate specified below:

ESF Ventilation System SGT System CREF System Flowrate (cfm) 4012 to 4902 900 to 1100 continued WNP-2 5.0-12 Amendment No. 449 152