ML20154Q732

Amends 75 & 62 to Licenses NPF-4 & NPF-7,respectively, Revising Tech Specs to Permit Entries Into Airlock for Repair of Inoperable Inner Air Lock Door & Changing Allowable Seal Leakage from Zero to Small Measurable Amount

ML20154Q732
Person / Time
Site:	North Anna
Issue date:	03/12/1986
From:	Rubenstein L Office of Nuclear Reactor Regulation
To:
Shared Package
ML20154Q736	List: ML20154Q732
References
NUDOCS 8603210280
Download: ML20154Q732 (10)

Text

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8 NUCLEAR REGULATORY COMMISSION o

y WASHINGTON, D. C. 20555

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VIRGINIA ELECTRIC AND POWER COMPANY OLD DOMINION ELECTRIC CCUPERATIVE DOCKET NO.50-33h NORTH ANNA POWER' STATION, UNIT N0. 1 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 75 License No. NPF-4 1.

The Nuclear Regulatory Comission (the Comission) has found that:

A.

The application for amendment by Virginia Electric and Power Company, et al., (the licensee) dated May 2 and revised September 19, 1985, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Comission's rules and regulations set forth in 10 CFR Chapter I; B.

The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Comission; C.

There is reasonable assurance (1) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Comission's regulations; D.

The issuance of this amendment will not be inimical to the comon defense and security or to the health and safety of the public; and E.

The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulations and all applicable requirements have been satisfied.

8603210280 860312 PDR ADOCK 05000338 P

PDR 1

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2.

Accordingly, the license is amended by changes to the Technical Speci-fications as indicated in the attachment to this license amendment, and paragraph 2.D.(2) of Facility Operating License No. NPF-4, is hereby amended to read as follows:

(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No. 75, are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.

3.

This license amendment is effective as of the date of its issuance.

FOR THE NUCLEAR REGULATORY COMMISSION

?

8 LesTer S. Rube tein, Director PWR Project Di ctorate #2 Division of PWR Licensing-A

Attachment:

Changes to the Technical Specifications Date of Issuance: March 12,1986

CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

If any periodic Type A test fails to meet.75 L the test b.

schedule for subsequent Type A tests shall be r$ viewed and approved by the Commission.

If two consecutive Type A tests fail to meet.75 L a Type A test shall be performed at least every 18 months uni.il two consecutive Type A tests meet.75 La at which time the above test schedule may be resumed.

The accuracy of each Type A test shall be verified by a c.

supplemental test which:

1.

Confinns the accuracy of the Type A test by verifying that the difference between supplemental and Type A test data is within 0.25 La 2.

Has a duration sufficient to establish accurately the change in leakage between the Type A test and the supple-mental test.

3.

Requires the quantity of gas injected into the containment or bled from the containment during the supplemental test to be equivalent to at least 25 percent of the total measured leakage rate at P > 40.6 psig, a

d.

Type B and C tests shall be conducted with gas at P

> 40.6 a

psig, at intervals no greater than 24 months except 7g; tests involving:

1.

Air locks, 2.

Penetrations using continuous leakage monitoring systems Air locks shall be tested and demonstrated OPERABLE per Surveillance e.

Requirement 4.6.1.3.

f.

Type B test for penetrations employing a continuous leakage intervals no greater than once per 3 year $.

0.6 psig at monitoring system shall be conducted at P

>4 g.

All test leakage rates shall be calculated using observed data converted to absolute values.

Error analyses shall be performed to select a balanced integrated leakage measurement system, h.

The provisions of Specification 4.0.2 are not applicable.

NORTH ANNA - UNIT 1 3/4 6-3

CONTAINMENT SYSTEf1S CONTAINMENT AIR LOCKS LIMITING CONDITION FOR OPERATION 3.6.1.3 Each containment air lock shall be OPERABLE with:

a.

Both doors closed except when the air lock is being used for normal transit entry and exit through the containment, then at least one air lock door shall be closed, and b.

An overall air lock leakage rate of less than or equal to 0.05 La at Pa greater than or equal to 40.6 psig.

APPLICABILITY:

MODES 1, 2, 3 and 4.

ACTION:

a.

With one containment air lock door inoperable:

1.

Maintain at least the OPERABLE air lock door closed and either restore the inoperable air lock door to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or lock the OPERABLE air lock door closed.+

2.

Operation may then contiriue until performance of the next required overall air lock leakage test provided that the OPERABLE air lock door is verified to be locked closed at least once per 31 days.

3.

Otherwise, be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

4.

The provisions of Specification 3.0.4 are not applicable.

b.

With a containment air lock inoperable, except as the result of an inoperable air lock door, maintain at least one air lock door closed; restore the inoperable air lock to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least H0T STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUT-DOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

SURVEILLANCE REQUIREMENTS 4.6.1.3 Each containment air lock shall be demonstrated OPERABLE:

a.

• Within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> following closing, except when the air lock is being used for multiple entries, then at least-once per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, by verifying that the seal leakage is less than 0.01 La as determined by precision flow measurements when measured for at least 30 seconds with the volume between the seals at a pressure of greater than or equal to.40.6 psig.

b.

At least once per 6 months by conducting an overall air lock leakage test at greater than or equal to P, 40.6 psig, and by verifying that g

the overall air lock leakage rate is within its limit #, and l

c.

At least once per 18 months during shutdown by verifying.that only one door in each air lock can be opened at a time.

+ Entry to repair the inner air lock door, if inoperable, is allowed.

• Exempt to Appendix "J" of 10 CFR Part 50.

1. The provisions of Specification 4.0.2 are not applicable.

I l

NORTH ANNA - UNIT 1 3/4 6-4 Amendment No. 75

ATTACHMENT TO LICENSE AMENDMENT NO. 75 TO FACILITY OPERATING LICENSE N0. NPF-4 DOCKET NO. 50-338 Replace the following page of the Appendix "A" Technical Specifications with the enclosed page as indicated. The revised page is identified by amendment number and contains vertical lines indicating the area of change.

The corresponding overleaf page is also provided to maintain document completeness.

Page 3/4 6-4

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WASHINGTON, D. C. 20555 h,*****.o' VIRGINIA ELECTRIC AND POWER COMPANY OLD DOMINION ELECTRIC COOPERATIVE DOCKET NO. 50-339 NORTH ANNA POWER STATION, UNIT N0. 2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 62 License No. NPF-7 1.

The Nuclear Regulatory Commission (the Commission) has found that:

A.

The application for amendment by Virginia Electric and Power Company, et al., (the licensee) dated May 2 and revised September 19, 1985, complies with the standards and requirements of the Atomic Energy

~

Act of 1954, as amended (the Act), and the Commission's rules and regulations set forth in 10 CFR Chapter I; B.

The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Commission; C.

There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Commission's regulations; D.

The issuance of this amendment will not be inimical to the common defense and security or to the health and safety of the public; and E.

The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.

1

-p-2.

Accordingly,.the license is amended by changes to the Technical Speci-fications as indicated in the attachment to this license anendment, and paragraph 2.C.(2) of Facility Operating License No. NPF-7 is here'y amended to read as follows:

(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No. 62, are hereby incorporated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.

3.

This license amendment is effective as of the date of its issuance.

FOR THE NUCLEAR' REGULATORY COMMISSION YM Lester S. Rub stein, Director PWR Project rectorate #2 Division of Licensing-A

Attachment:

Changes to the Technical Specifications Date of Issuance: March 12,1986

4 ATTACHMENT TO LICENSE AMENDMENT NO. 62 TO FACILITY OPERATING LICENSE NO. NPF-7 DOCKET NO. 50-339 Replace the following page of the Appendix "A" Technical Specifications with the enclosed page as indicated. The revised page is identified by amendment number and contains vertical lines indicating the area of change.

The corresponding overleaf page is also provided to maintain document completeness.

Page 3/4 6-4

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CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) b.

If any periodic Type A test fails to meet.75 L -the test schedule for subsequent Type A tests shall be reviewed a8d approved by the Commission.

If two consecutive Type A tests fail to meet.75 L a Type A test shall be performed at least every 18 months until tw*o consecutive Type A tests meet.75 L, at which time the above test schedule may be resumed.

c.

The accuracy of each Type A test shall be verified by a supplemental test which:

1.

Confirms the accuracy of the Type A test by verifying that the difference between supplemental and Type A test data is within 0.25 L,

~

2.

Has a duration sufficient to establish accurately the change in leakage between the Type A test and the supplemerital test.

3.

Requires the quantity of gas injected into.the containment or bled from the containment during the supplemental test to be equivalent to at least 25 percent of the total measured leakage rate at P,, greater than or equal to 40.6 psig.

d.

Type 8 and C tests shall be conducted with gas at P,24 months except

, greater than or equal to 40.6 psig, at intervals no greater than for tests involving:

1.

Air locks, 2.

Penetrations using continuous leakage monitoring systems e.

Air locks shall be tested and demonstrated OPERABLE per Surveillance Requirement 4.6.1.3.

f.

Type B test for. penetrations employing a continuous leakage monitoring system shall be conducted at P, greater than or equal to 40.6 psig, at intervals no greater than o8ce per 3 years.

g.

All test leakage rates shall be calculated using observed data converted to absolute values.

Error analyses shall be performed to select a balanced integrated leakage measurement system.

h.

The provisions of Specification 4.0.2 are not applicable.

NORTH ANNA - UNIT 2 3/4 6-3

I CONTAINMENT SYSTEMS CONTAINMENT AIR LOCKS t

LIMITING CONDITION FOR OPERATION

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3.6.1.3 Each containment air lock shall be OPERABLE with:

l I

a.

Both doors closed except when the air lock is being used for normal l

transit entry and exit through the containment, then at least one air lock door shall be closed, and b.

An overall air lock leakage rate of less than or equal to 0.05 La at Pa, greater than or equal to 40.6 psig.

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

a.

With one containment air lock door inoperable:

1.

Maintain at least the OPERABLE air lock door closed and either restore the inoperable air lock door to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or lock the OPERABLE air lock door closed.+

1 Operation may then continue until performance of the next required 2.

overall air lock leakage test provided that the OPERABLE ai'r lock door is verified to be locked closed at least once per 31 days.

3.

Otherwise, be in at least H0T STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

4.

The provisions of Specification 3.0.4 are not applicable.

b.

With a containment air lock inoperable, except as the result of an inoperable air lock door, maintain at least one air lock door closed; restore the inoperable cir lock to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least H0T STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

SURVEILLANCE REQUIREMENTS 4

4.6.1.3 Each containment air lock shall be demonstrated OPERABLE:

a.

• Within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> following closing, except when the air lock is being used for multiple entries, then at least once per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, by verifying that the seal leakage is less than 0.01 La as determined by precision flow measurements when measured for at least 30 seconds with the folume between the seals at a pressure of greater than or equal to 40.6 psig.

+ Entry to repair the inner air lock door, if inoperable, is allowed.

l

• Exempt to Appendix "J" of 10 CFR Part 50.

%0RTH ANNA - UNIT 2 3/4 6-4 Amendment No. 62

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