ML20059E038

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Amend 96 to License NPF-43,revises TS Surveillance Frequency for Periodic Cycling of Suppression chamber-drywell Vacuum Breakers from Once Per 31 Days to Once Per Cold Shutdown If Not Performed within Previous 92 Days
ML20059E038
Person / Time
Site: Fermi DTE Energy icon.png
Issue date: 01/04/1994
From: Blough A
Office of Nuclear Reactor Regulation
To:
Shared Package
ML20059E040 List:
References
NUDOCS 9401100222
Download: ML20059E038 (6)


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UNITED STATES

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NUCLEAR REGULATORY COMMISSION E

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F DETROIT EDISON COMPANY DOCKET NO. 50-341 i

FERMI-2 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 96 License No. NPF 1.

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

A.

The application for amendment by the Detroit Edison Company (the licensee) dated March 23, 1993, 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.

9401100222 940104 i!?

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2.. Accordingly, the license is amended by changes to.the Technical Specifications as' indicated in the attachment-to this license amendment and paragraph 2.C.(2) of Facility Operating License No. NPF-43 is hereby amended to read as follows:

Technical Specifications and Environmental Protection Plan f

The Technical Specifications contained in Appendix A, as revisedI through Amendment.No. 96, and the Environmental Protection Plan contained in Appendix B, are hereby incorporated in the license. DECO 7,

shall operate the facility in accordance with the Technical

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Specifications and the Environmental Protection Plan.

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3.

This license amendment is effective as of the date of its issuance'with full implementation within 45 days.

i FOR THE NUCLEAR REGULATORY. COMMISSION' cb I

A. Randolph Blough, Acting Director-Project Directorate III-1.

Division of Reactor Projects -~III/IV/V Office of Nuclear Reactor Regulation.

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Attachment:

Changes to the Technical Specifications Date of Issuance:

January 4 1994

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"'3 ATTACHMENT TO LICENSE AMENDMENT NO. 96 FACILITY OPERATING LICENSE NO. NPF-43

- DOCKET NO. 50-341-Replace the following pages of the Appendix'"A" Technical Specifications with ~

the attached pages. The revised pages are identified by amendment number:and.

contain vertical lines indicating the area of change.

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REMOVE INSERT-l 3/4 6-48 3/4 6 3/4 6-49 3/4 6-49

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3/4 6-50*

3/4 6-50*

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  • 0verleaf,page provided to maintain document completeness. No changes

. contained on these pages.

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CONTAINFENT SYSTEMS 3/4.6.4 VACUUM RELIEF i

SUPPRESSION CHAMBER - DRYWELL VACUUM BREAKERS LIMITINS CONDITION FOR OPERATION 3.6.4.1 All suppression chamber - drywell vacuum breakers shall be closed and l

1 OPERABLE.

APPLICABILITY: OPERATIONAL CONDITIONS 1, 2, and 3.

ACTION:

a.

With one of the above required vacuum breakers inoperable for opening but known to be closed, restore the inoperable vacuum i

breaker to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

b.

With one or more suppression chamber - drywell vacuum breakers open, close the open vacuum breaker (s) within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

c.

With one oc the position indicators of any suppression chamber -

drywell vacuum breakers inoperable, verify that all other vacuum breakers are closed within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and:

1.

Verify the vacuum breaker (s) with the inoperable position indicator to be closed by demonstrating the other indicator to be OPERABLE within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and at least once per 14 days thereafter, or 2.

Verify the vacuum breaker (s) with the inoperable position indicator to be closed by conducting a test which demonstrates that the drywell-to-suppression chamber AP is maintained at greater than or equal to 0.5 psi for one hour without makeup within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and at least once per 14 days thereafter.

Otherwise, be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

d.

With one of th3 closed position indicators of one or more suppression chamber - drywell vacuum breaker (s) indicating open.

and the redundant closed position indicator indicating closed after a suppression chamber - drywell vacuum breaker opening as a result of a steam release, within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, cycle the applicable valve (s) to determine which of the redundant indicators is OPERABLE.

FERMI - UNIT 2 3/4 6-48 Amendment No. JJ, JJ, 96

CONTAINMENT SYSTEMS SURVETLtANCE REOUTREMENTS 4.6.4.1 Each suppression chamber - drywell vacuum breaker shall be:

a.

Verified closed at least once per 7 days.

b.

Demonstrated OPERABLE:

1.

During each COLD SHUTDOWN, if not performed within the previous 92 days, and within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after any discharge of steam to the suppression chamber from the safety / relief valves by:

a)

Cycling each vacuum breaker through at least one complete cycle of full travel.

I b)

Verifying both position indicators OPERABLE by observing expected valve movement during the cycling test.

1 2.

At least once per 18 months by; f,

a)

Verifying the opening setpoint, from the closed position, to be less than or equal to 0.5 psid, and b)

Verifying both position indicators OPERABLE by performance of a CHANNEL CALIBRATION.

c)

Verify the opening gap for switch actuation to be less than or equal to 0.03 inches.

FERMI - UNIT 2 3/4 6-49 Amendment No. 96

CONTAINMENT SYSTEMS REACTOR BUILDING - SUPPRESSION CHAMBER VACUUM BREAKERS LIMITING CONDITION FOR OPERATION 3.6.4.2 All Reactor Building - suppression chamber vacuum breakers shall be OPERABLE and closed.

APPLICABILITY:

OPERATIONAL CONDITIONS 1, 2, and 3.

ACTION:

a.

With one Reactor Building - suppression chamber vacuum breaker inoperable for opening but known to be closed, restore the inoperable vacuum breaker to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

b.

With one Reactor Building - suppression chamber vacuum breaker open, isolate the associated vacuum breaker line by closing the isolation valve within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />; restore the open vacuum breaker to the closed position within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT SHUT 00WN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, c.

Witn tne position indicator of any Reactor Building-suppression chamber vacuum breaker inoperable, restore the inoperable position indicator to OPERABLE status within 14 days or verify the vacuum breaker to be closed at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by visual inspection.

Otherwise, declare the vacuum breaker inoperable or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

SURVEILLANCE REQUIREMENTS 4.6.4.2 Each Reactor Building - suppression chamber vacuum breaker shall be:

a.

Verified closed at least once per 7 days.

b.

Demonstrated OPERABLE:

1.

At least once per 31 days by:

a)

Cycling vacuum breaker through at least one complete test cycle of full travel.

b)

Verifying the position indicator OPERABLE by observing expected valve movement during the cycling test.

2.

At least once per 18 months by:

a)

Demonstrating that the force required to open each vacuum breaker does not exceed the equivalent of 0.5 psid.

b)

Visual inspection.

c)

Verifying the position indicator OPERABLE by performance of a CHANNEL CALIBRATION.

FERMI - UNIT 2 3/4 6-50