ML20095F942

Proposed Tech Specs 3/4.8.2.1,3/4.8.2.2,3/4.8.3.1 & 3/4.8.3.2 Re Electrical Power Sys Dc Sources & Onsite Power Distribution

ML20095F942
Person / Time
Site:	Wolf Creek
Issue date:	12/13/1995
From:	WOLF CREEK NUCLEAR OPERATING CORP.
To:
Shared Package
ML20095F940	List: ML20095F937 ML20095F942
References
NUDOCS 9512190359
Download: ML20095F942 (5)

Text

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• Attachment IV to WO 95-0178

. Page 1 of 5 ATTACHMENT IV PROPOSED TECHNICAL SPECIFICATION CHANGES 9512190359 951213 PDR ADOCK 05000482 P PDR

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' Attachment IV to Wo 95-0178

, Page 2 of 5 ELECTRICAL POWER SYSTEMS l 1

3/4.8.2 D.C. SOURCES LIMITING CONDITION FOR OPERATION 1

3.8.2.1 As a minimum, the following D.C. electrical sources shall be OPERABLE:

a---426-Volmattery-Benk NK11 and NK43 rand !!: Ocecc!:ted Fu!! Capacity Chargers Mv" -ad MK23 rand l l

a. 125 Volt Batteries NK11 and NK13 and associated Full Capacity Chargers NK21, NK23, or installed spare NK25 (powered from NG01), and

. m __ - - - - - _ -p m l>-426-Volt 9:tte y Bank NK12 and-NK14 rand !!::::cciated Fu!! Capacity Charger Nv22 and-NK24, wcw,-r w-. ,

b. 125 Volt Batteries NK12 and NK14 and associated Full Capacity Chargers NK22, NK24, or installed spare NK26 (powered from NG04).

APPLICABILITY: MODES 1,2,3, and 4.

ACHQN:

With one of the required battery banks and/or full capacity chargers inoperable, restore the inoperable battery bank and/or full capacity charger to OPERABLE status 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 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 />.

I SURVEILLANCE REQUIREMENTS 4.8.2.1 Each 125-volt battery bank an o harger shall be demonstrated OPERABLE:

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a. At least once per 7 days by verifying that: ,

1) The parameters in Table 4.8-2 meet the Category A limits, and

2) The total battery terminal voltage is greater than or equal to 130.2 volts on float charge.

WOLF CREEK - UNIT 1 3/4 8-9

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~ ' Attachment IV to WO 95-0178

, Page 3 of 5 ELECTRICAL POWER SYSTEMS D.C. SOURCES SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.2.2 As a minimum, the following D.C. electrical sources shall be OPERABLE:

a-126-VolWattery-Bank-NK44-and NK13, and it 2000c!:tcMulkapacity Charger: NV21 and NK23, or e w

a. 125 Volt Batteries NK11 and NK13 and associated Full Capacity Chargers NK21, NK23, or installed spare NK25 (powered from NG01), or b-.-425 Ale!! Battey 4anM4K42 and NK", and it: 20:ce!2ted fu!! capacity l Chargers 44K22-and NK24-W. < f

b. 125 Volt Batteries NK12 and NK14 and associated Full Capacity Chargers NK22, NK24, or installed spare NK26 (powered from NG04).

APPLICABILITY: MODES 5 and 6.

A.CTION With the required battery bank and/or full capacity charger inoperable immediately suspend all operations involving CORE ALTERATIONS positive reactivity changes or movement of irradiated fuel; initiate corrective action to restore the required battery bank and/or full capacity charger to OPERABLE status as soon as possible.

SURVEILLANCE REQUIREMENTS conl$e#cte?

4.8.2.2 The abcve required 125-volt battery banks and assoc 6a chargers shall be demonstrated OPERABLE in accordance with Specification 4.8.2.1.

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WOLF CREEK - UNIT 1 3/4 8-12

' ' Attachment IV to WO 95-0178 g 'Page 4 of 5 ELECTRICAL POWER SYSTEMS 3/4.8.3 ONSITE POWER DISTRIBUTION OPERATING LIMITING CONDITION FOR OPERATION 3.8.3.1 The following electrical busses shall be energized in the specified manner with tie breakers open between redundant busses within the unit:

a. Division #1 A.C. Emergency Busses consisting of.

1) 4160. Volt Emergency Bus #NB01, and

2) 480-Volt Emergency Busses #NG01, NG03, and

3) 480-Volt Emergency Bus #NG05E.

b. Division #2 A.C. Emergency Busses consisting of:

1) 4160-Volt Emergency Bus #NB02, and

2) 480-Volt Emergency Busses #NG02, NG04, and

3) 480-Volt Emergency Buss NG06E.

c. 120-Volt A.C. Vital Bus #NN01 energized from its associated inverter connected to D.C. Bus #NK01,

d. 120-Volt A.C. Vital Bus #NN02 energized from its associated inverter connected to D.C. Bus #NK02,

e. 120-Volt A.C. Vital Bus #NNO3 energized from its associated inverter connected to D.C. Bus #NK03,

f. 120-Volt A.C. Vital Bus #NN04 energized from its associated inverter connected to D.C. Bus #NK04,

g. SS-Xojt D.C. Bus #NKg1 ener ized from Battery #NK11 and Charger #NK21

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or #NK25M fr'om fido 1,

h. QS-VoltDA. IJupSKQ2Jm ' zed from Battery #NK12 and Charger #NK22 orINid6 powered from NG04

1. from Battery #NK13 and Charger #NK23 or @ Volt D$,. Jus #NK03 energ'24 NKf5 powe'rMir'on'UfGd1), an J. K5j val}D,.CJyji Sop ized from Battery #NK14 and Charger #NK24 or #NK,26,powere from NG04).

APPLICABILITY: MODES 1,2,3, and 4.

ACTION

a. With one of the required divisions of A.C. emergency busses not fully energized due to an item 1) or 2) bus, reenergize the division within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 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 />. With one of the required divisions of A.C. emergency busses not fully energized due to the item

3) bus only, reenergized the division 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 />.

WOLF CREEK - UNIT 1 3/4 8-13 Amendment No. 68

' Attachment IV to WO 95-0178

, 'Page 5 of 5 ELECTRICAL POWER SYSTEMS OMSITE POWER DISTRIBUTlQB SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.3.2 As a minimum, one of the following divisions of electrical busses shall be energized in the specified manner:

a. Division 1, consisting of: i

1) 4160-Volt Emergency Bus #NB01, and

2) 480-Volt Emergency Busses #NG01, NG03 and NG05E, and

3) 120-Volt A.C. Vital Busses #NN01 and NNO3 energized from their i associated inverter connected to D.C. Busses #NK01 and NK03, and l

4) 125-volt D.C. Busses #NK01 and NK03 energized

1. NK11 and NK13 a rs #NK21 and NK2 pare Charger 1 ifSR2% owe om may e connect in place of #NK21 i or #NK23), or

b. Division 2, consisting of:

l 1 1) 4160-Volt Emergency Bus #NB02, and 1

2) 480-Volt Emergency Busses #NG02, NG04 and NG06E, and

3) 120-Volt A.C. Vital Busses #NN02 and NN04 energized from their associated inverter connected to D.C. Busses #NK02 and NK04, and

4) 125-Volt D.C. Busses #NK02 and NK04 energized fr Battejie, QK 2jnd Margers #NK22 and #NK are' Charger ,

1. N '6 pIiwered from NG64 mWcSrie in ace of #NK22 l or #NK24 .

APPLICABILITY: MODES 5 and 6.

ACTION 1

Without one of the above required divisions of electrical busses energized in l the required manner, immediately suspend all operations involving CORE ALTERA.

TIONS, positive reactivity changes, or movement of irradiated fuel; initiate corrective action to energize at least one division of the required busses in the specified manner.

SURVEILLANCE REQUIREMENTS 4.8.3.2 The specified busses shall be determined energized in the required manner at least once per 7 days by verifying correct breaker alignment and indicated voltage on the busses.

WOLF CREEK UNIT 1 3/4 8-15

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