ML052000454

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Precedents for Section 3.6 Exceptions to GALL
ML052000454
Person / Time
Site: Palisades Entergy icon.png
Issue date: 04/01/2005
From:
- No Known Affiliation
To:
Office of Nuclear Reactor Regulation
Morgan M, NRR/DRIP/RLEP, 415-2232
Shared Package
ML052000229 List:
References
Download: ML052000454 (6)


Text

1 of 5 Table 3.6.2-1 Electrical Components - Electrical Commodity Groups - Summary of Aging Management Evaluation Component Type Intended Function Material Environment Aging Effect Requiring Management Aging Management Programs NUREG -

1801 Volume 2 Line Item Table 1 Item Notes Rev 1 NUREG -

1801 Volume 2 Line Item Rev 1 Table 1 Item Rev 1 Notes Electrical cables and connections not subject to 10 CFR 50.49 EQ Requirements Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals Insulation materials -

various organic polymers Adverse localized environment caused by heat, radiation, or moisture in the presence of oxygen Embrittlement, cracking, melting, discoloration, swelling, or loss of dielectric strength leading to reduced IR; electrical failure caused by thermal/

thermoxidative degradation of organics; radiation-induced oxidation; moisture intrusion Non-EQ Electrical Commodities Condition Monitoring Program VI.A.1-a 3.6.1-02 A

Connector Pins

-Various Metals Borated Water Leakage Corrosion of connector contact surfaces caused by intrusion of borated water Boric Acid Corrosion Program VI.A.2-a 3.6.1-05 A

2 of 5 Table 3.6.2-1 Electrical Components - Electrical Commodity Groups - Summary of Aging Management Evaluation Component Type Intended Function Material Environment Aging Effect Requiring Management Aging Management Programs NUREG -

1801 Volume 2 Line Item Table 1 Item Notes Rev 1 NUREG -

1801 Volume 2 Line Item Rev 1 Table 1 Item Rev 1 Notes Electrical cables and connections used in instrumentation circuits not subject to 10 CFR 50.49 EQ Requirements that are sensitive to reduction in conductor IR (ISG-15)

(Nuclear Instrumentation and Radiation Monitoring Systems)

Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals Insulation materials -

various organic polymers Adverse localized environment caused by heat, radiation, or moisture in the presence of oxygen Embrittlement, cracking, melting, discoloration, swelling, or loss of dielectric strength leading to reduced IR; electrical failure caused by thermal/

thermoxidative degradation of organics; radiation-induced oxidation; moisture intrusion Non-EQ Electrical Commodities Condition Monitoring Program VI.A.1-b 3.6.1-03 A, 602

3 of 5 Table 3.6.2-1 Electrical Components - Electrical Commodity Groups - Summary of Aging Management Evaluation Component Type Intended Function Material Environment Aging Effect Requiring Management Aging Management Programs NUREG -

1801 Volume 2 Line Item Table 1 Item Notes Rev 1 NUREG -

1801 Volume 2 Line Item Rev 1 Table 1 Item Rev 1 Notes Electrical Portion of the Non-EQ Electrical and I&C Penetration Assemblies (Cables &

Connections)

Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals Insulation materials -

various organic polymers Adverse localized environment caused by heat, radiation, or moisture in the presence of oxygen Embrittlement, cracking, melting, discoloration, swelling, or loss of dielectric strength leading to reduced IR; electrical failure caused by thermal/

thermoxidative degradation of organics; radiation-induced oxidation; moisture intrusion Non-EQ Electrical Commodities Condition Monitoring Program VI.A.1-a 3.6.1-02 A, 604 Fuse Holders (ISG-5)

Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals.
Phenolic, Copper, Aluminum Adverse localized environment caused by heat, radiation, or moisture in the presence of oxygen.

Embrittlement, cracking, melting, discoloration, moisture intrusion, corrosion None required None None J, 601 VI.A-8 6-6 (LP-01) A, 601

4 of 5 Table 3.6.2-1 Electrical Components - Electrical Commodity Groups - Summary of Aging Management Evaluation Component Type Intended Function Material Environment Aging Effect Requiring Management Aging Management Programs NUREG -

1801 Volume 2 Line Item Table 1 Item Notes Rev 1 NUREG -

1801 Volume 2 Line Item Rev 1 Table 1 Item Rev 1 Notes Non-Segregated Phase Bus and Connections (ISG-17)

Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals Various Metals, Porcelain Adverse localized environment caused by heat, radiation, or moisture in the presence of oxygen.

Oxidation, Loosening of bolted connections due to thermal cycling, Corrosion due to moisture Non-EQ Electrical Commodities Condition Monitoring Program None None J

VI.A-11 VI.A-12 VI.A-14 6-7 (LP-04) 6-10 (LP-

10) 6-8 (LP-05)

A E

A High-Voltage Transmission Conductors (ISG-2)

Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals
Aluminum, Steel Atmosphere/

Weather Loss of conductor strength, Vibration None Required None None J, 603 VI.A-16 6-12 (LP-

08)

A, 603

5 of 5 Table 3.6.2-1 Electrical Components - Electrical Commodity Groups - Summary of Aging Management Evaluation Component Type Intended Function Material Environment Aging Effect Requiring Management Aging Management Programs NUREG -

1801 Volume 2 Line Item Table 1 Item Notes Rev 1 NUREG -

1801 Volume 2 Line Item Rev 1 Table 1 Item Rev 1 Notes High-Voltage Switchyard Bus and Connections (ISG-2)

Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals Aluminum Stainless Steel (Bolting)

Copper Atmosphere/

Weather Connection Surface Oxidation, Vibration None Required None None J, 606 VI.A-15 6-12 (LP-

09)

A, 606 Inaccessible medium-voltage (2kV to 15kV) cables and connections not subject to 10 CFR 50.49 EQ Requirements (ISG-18)

Provide electrical connections to specified sections of an electrical circuit to deliver

voltage, current, or signals Insulation materials -

various organic polymers Adverse localized environment caused by exposure to moisture and voltage stress Formulation of water trees, localized damage leading to electrical failure (breakdown of insulation) caused by moisture intrusion and voltage stress.

Non-EQ Electrical Commodities Condition Monitoring Program VI.A.1-c 3.6.1-04 A

High-Voltage Insulators (ISG-2)

Insulate and support an electrical conductor Porcelain, Cement, Metal Atmosphere/

Weather Surface Contamination, Cracking None Required None None J, 605 VI.A-9 VI.A-10 6-11 (LP-

07) 6-11 (LP-11)

A, 605 A, 605

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