ML20248C081

Amends 121 & 110 to Licenses DPR-77 & DPR-79,respectively, Revising Tech Specs to Increase Base Current Value for Containment Air Return Fans in Surveillance Requirement 4.6.5.6 from 28 to 32 Amperes

ML20248C081
Person / Time
Site:	Sequoyah
Issue date:	07/31/1989
From:	Black S Office of Nuclear Reactor Regulation
To:
Shared Package
ML20248C083	List: ML20248C081 ML20248C175 ML20248C186
References
NUDOCS 8908090430
Download: ML20248C081 (9)

Text

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UNITED STATES g

NUCLEAR REGULATORY COMMISSION t

WASHWGTON, D. C. 20656

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TENNESSEE VALLEY AUTHORITY ECKETNO.50-327 SEQUOYAH NUCLEAR PLANT, UNIT 1 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 121 License No. DPR-77 1.

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

h A.

The application for amendment by Tennessee Va' ley Authority (the licensee) dated March 27, 1989, 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 j

conducted in compliance with the Commission's regulations; j

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.

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08090430 990733 pDR p

ADOCK 05000327 PNU 6.

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Accordingif the license is amended by che.nges to the Technical.

l Specifications as. indicated in the attachment to this license amendment.

j and paragraph 2.C.(2) of Facility Operating License No. DPR-77 is hereby J

amended to read as follows l

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(2) Technical Specifications

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The Technical Specifications contained in Appendices A and-B, as revised through Amendment No.121, are hereby incorporated in the license.

The licensee shall operate the facility in accordance with l

the Technical Specifications.

3.

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

FOR THE NUCLEAR REGULATORY C0lWISSION g

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%St zanne Black, Assistant Director j

for Projects

.c TVA Pro.jects Division Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of I.ssuance: July 31, 1989

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. ATTACHMENT TO LICENSE AMENDMENT NO.121 FACILITYOPERATINGLICENSENO.DPR-J7 I,W DOCKET NO. 50-327 1

n, Revtse the Appendix A Technical Specifications by removing the pages identified below and inserting the enclosed pages. The revised-pages are identified by the captioned amendment number and contain marginal lines indicating the area of change.

REMOVE INSERT 3/4 6-33 3/4 6-33 4

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CONTAINMENT SYSTEMS CONTAINMENT AIR RETURN FANS h$N 4

LIMITING CONDITION FOR OPERATION

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3.6.5.6 Two independent containment air return fans shall be OPERABLE.

APPLICABILITY:

MODES 1, 2, 3 and 4.

ACTION:

With one containment air return fan inoperable, restore the inoperable fan 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 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 4.6.5.6 Each containment air return fan shall be demonstrated OPERABLE:

At least once.per 92 days on a STAGGERED TEST BASIS by:

a.

1.

Verifying that the fan motor current is 3217.5 amps with the backdraft dampers closed, and 2.

Verifying that with the fan off, the air return fan damper opens when a torque of less than or equal to 68.1 inch-pounds is appied to the counterweight.

b.

At least once per 18 months by verifying that the air return fan starts on an auto-start signal after a 10 1 minute delay and operates for at least 15 minutes.

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SEQUOYAH - UNIT 1 3/4 6-33 Amendment No.12,121

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• o TENNESSEE VALLEY AUTHORITY DOCKET NO. 50-328 SEQUOYAH NUCLEAP. PLANT, UNIT 2 AMENDMENT TO FACILITY JPERATING LICENSE Amendment No.110 License No. DPR-79 I

1.

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

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A.

The application for amendment by Tennessee Valley Authority (the licensee) dated March 27, 1989, complies with the standards and requirements of ttie Atomic Energy Act of 1954, as amended _ (the Act),

dnd the Commission'S rules and regulations set forth in 10 CFR-l 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 (1) that the activities authorized by this amendment can be conducted without endangering the health and safety of the oublic, 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 te 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.

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Accordi

_the licent.e is amended by changes to the Technical Speciff ons as indicated in the attachment to this license amendment and paragraph 2.C.(2) of Facility Operating License No. DPR-79 is hereby amended to read as follows:

(2) _ Technical Specifications l

l The Technical Specifications contained in Appendices A and. B, as revised through Amendment No. 110, are hereby incorporated in the license.

The licensee shall operate the facility in accordance with the Technical Specifications.

3.

This ifcense amendment is effective as of its date of issuance.

FOR THE NUCLEAR REGULATORY COMMISSION

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u an e ack, Assistant Director r

or Projects j

TVA Projects Division Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of Issuance: July 31, 1939 l

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ATTACHMENT TO LICENSE AMENDMENT NO. 110 gg, FACILITY OPERATING LICENSE N0. DPR-79 4

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DOCKET N0.,50-328 Revise the Appendix A Technical Specifications by removing the pages identified below and inserting the enclosed pages. The revised pages are identified by the captioned anendment number and contain marginal lines indicating the area of change. Overleaf pages* are provided to maintain document completeness.

REMOVE-INSERT 3/4 6-33 3/4 6-33*

3/4 6-34 3/4 6-34 l

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. CONTAINMENT SYSTEMS 1

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. DIVIDER BARRIER PERSONNEL ACCESS DOORS AND EQUIPMENT HATCHES i

4 LIMITING CONDITION FOR OPERATION 3.6.5.5 The personnel access doors and equipment hatches between the containment's upper and lower compartments shall be OPERABLE and closed.

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APPLICABILITY:

MODES 1, 2, 3 and 4.

ACTION:

With a personnel access door or equipment hatch inoperable or open except for personnel transit entry, restore the door or hatch to OPERABLE status'or to its closed position (as applicable) within I hour or be in at least HOT S1ANDBY 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 4.6.5.5.1 The personnel access doors and equipment hatches between the containment's upper and lower compartments shall be determined closed by a visual inspection prior to increasing the Reactor Coolant System T above 200 F and after each personnel transit entry when the Reactor Coolant 5fstem Tavg is a

above 200 F.

4.6.5.5.2 The personnel access doors and equipment batches between the containment's upper and lower compartments shall be determined OPERABLE by visually inspecting the seals and sealing surfaces of these penetrations and verifying no detrimental misalignments, cracks or defects in the sealing surfaces, or apparent deterioration of the sea' material:

Prior to final closure of the penetration each time it has been a.

opened, and b.

At least once per 10 years for penetrations containing seals fabricated from resilient materials.

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SEQUOYAH - UNIT 2 3/4 6-33

E-CONTAINMENT SYSTEMS

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. CONTAINMENT AIR RETURN FANS w.

LIMITING CONDIT50N FOR OPERATION l

3.6.5.6 Twa independent containment air return fans shall be OPERABLE.

APPLICABILITY:

MODES 1, 2, 3 and 4.

ACTION:

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With one containment air return fan inoperable, restore the inoperable fan to l

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 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 />.

1 SURVEILLANCE REQUIREMENTS 4 6.5.6 Each containment air return fan shall be demonstrated OPERABLE:

At least once per 92 days on a STAGGERED TEST BASIS by:

a.

1.

Verifying that the fan motor current is 3217.5 amps with the backdraft dampers closed, and 2.

verifying that with the fan of f, the air return fan damper opens when a torque of less than or equal to 68.l inch-pounds is applied to the counterweight.

b.

At least once per 18 months by verifying that the air return fan starts on an auto-start signal after a 10 + 1 minute delay and operates for at least 15 minutes.

SEQUOYAH - UNIT 2 3/4 6-34 Amendment No.110

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