ML20106E838

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Proposed Tech Spec Table 3.6-1, Secondary Containment Bypass Leakage Paths, Adding post-accident Sampling Penetrations & Deleting Integrated Leak Rate Test Penetrations X-27C & X-98
ML20106E838
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 10/22/1984
From:
TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20106E784 List:
References
NUDOCS 8410300140
Download: ML20106E838 (7)
v • d • e


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ENCLOSURE 1 E

PROPOSED TECHNICAL SPECIFICATIONS SEQUOYAH NUCLEAR PLANT UNITS 1 AND 2 i

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SECONDARY CONI AINilENI BYPASS LEAKAGE PAllis e

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PENEIRATION, RELEASE LOCATION h

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X-3 tuel Transfer. Tube Auxiiiary Area X-15 letdown ~

Auxiliary Area X-25A Pressurizer Gas Sample Auxiliary Area X-2SD Pressurizer Iiquid Sample Auxiliary Area X-268 Control Air Auxiliary Area I

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Auxiliary Area X-30 Accumulator fill Atixiliary Area X-34; Contrel' Air Auxiliary Area X-35 CCW AuxiIiary Anea m}

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.N to Pressurizer Relief Tank Auxiliary Area, 2

,a X-41 Normal RB Sunip Auxiliary Area X-42 Primary Water Auxiliary Area X-45 RC Drain Tank Auxiliary Area X-46 RC Drain lank Auxiliary Area i

X-47A Glycol Auxiliary Area X-478 Glycol Auxiliary' Area X-SOA CCW Auxiliary Area X-SOB CCW

, Auxiliary Area X-51 fire Protection Auxiliary Area X-64 A/C Chilled Water (ERCW)

Auxiliary Area X-65 A/C Chilled Water (ERCW)

Auxiliary Area X-66 A/C Chilled Water (fRCW)

Auxiliary Area X-67 A/C Chilled Water (LRCW)

Auxiliary Area X-76 Service Air Auxiliary Area X-77 Demineralized Water Auxiliary Area X-78 fire Protectioh Auxiliary Area X-81 kC Drain Tank Auxiliary Area X-82 fuel Pool Auxiliary Area X-83 Iuei Pool AuxiIiary Area l

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PENETRATION RELEASE LOCATION 1:

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Auxiliary Area' X-RSA Excess Letdown Heat Exchanger Auxiliary Area-

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  • This Technical Specification change is effective upon completion of the modification.

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ENCLOSURE 2 JUSTIFICATION FOR PROPOSED TECHNICAL SPECIFICATIONS TVA-SQN-TS-61 Description This' proposed technical specification change revises table 3.6-1 to add postaccident sampling facility penetrations and delete integrated leak rate test penetrations X-27C and X-98.

Justification The postaccident sampling facility penetrations involved in this change are already included in the surveillance program, but they should be added to table 3.6-1 concerning secondary containment bypass leakage to ensure compliance with 10 CFR 50 Appendix J.

Penetrations X-27C and X-98 should be deleted from the table since they only penetrate primary containment.

Based on the a'ttached significant hazards determination: (1) the proposed change does rot constitute a significant hazards consideration as defined by 10 CFR 50.92; (2) there is masonable assurance that the health and safety of the public will not be endangered by the proposed change; and (3) this action will not result in a condition which significantly alters the impact of the station on the environment as described in the NRC Environmental Statement.

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0 ATTACHMENT'

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PROPOSED TECHNICA!. SPECIFICATION

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SIGNIFICANT HAZARDS CONSIDERATION DETERMINATION I TVA.,SQN TS-61

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' 1.- Is 'the probability ofian occurrence or the consequences of an accident previously evaluated in the safety analysis mport significantly

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No.

T' The added penetrations will not affect any safety-related equipment and have been added to the surveillance requirements for secondary bypass leakage. The deleted penetrations do not penetrate the seccndary bypass leakage boundary.

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Is the possibility for an accident of a new or different type than evaluated previously in the safety analysis mport created? No.

i The penetrations vers waled using approvp procedures. No new accident possibility was creat$d) sy

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3 Ts the margin of safety. significantly reduced?

No.-

_ s No safety-related equipment is changed nor is any surveillance reduced and therefore, there is no impact on the margin of safety as defined in the

' basis V, any Technical Specification.

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