Text

Proposed Tech Specs Re Fuel Oil Storage Sys,Fuel Oil Storage Tanks & Underground Storage Tanks
	ML20012E169
Person / Time
Site:	North Anna
Issue date:	03/26/1990
From:	; VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	;
Shared Package
ML20012E168	List: ML20012E167; ML20012E169;
References
	NUDOCS 9003300157
	Download: ML20012E169 (23)
	v • d • e

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Attachment 1 i

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Proposed Technical Specification . Changes ;

North Anna Power Station Unit 1 i i

a Virginia Electric and Power Oompany 9003300157 900326 PDR ADOCK 0500033G p FDC 3;

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$4B Fl FCTRICAL POWER SYSTEMS I T4B 1 AC. SOURCES OPERATING IMTIC2OOromONR]ROPERATIN I

3.8.1.i As a minimum, the following A.C. electrical power sources shall be OPEPABLE: i

a. Two physically independent circuits between the offsite transmission network and the onsite -

Class IE distribution system, and

b. Two independent diesel generators:

1. Each with a separate day tank containing a minimum of 750 gallons of fuel, and

2. A fuel storage system consisting of two underground storage tanks each containing a minimum of 45,000 gallons of fuel (This is a shared system with Unit 2),and

3. A separate fuel transfer system.

l APPLICABILITY: Modes 1,2,3 and 4. +

ACTION:

a. Witn one offsite circuit of 3.8.1.1.a inoperable, demonstrate the OPERABILITY of the remaining A.C. sources by performing Surveillance Requirement 4.8.1.1.1.a within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and at least once ,

per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereafter, il either EDG has not been successfully tested within the past 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months , demonstrate its OPERABILITY by periorming Surveillance Requirement 4.8.1.1.2.a.4 separately for each such EDG within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months . Restore the offsite circuit to OPERABLE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months ,

b. With one diesel generator of 3.8.1.1.b inoperable, demonstrate the OPERABILITY of the A.C. .

offsite power sources by performing Surveillance Requirement 4.8.1.1.1.a within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and at least once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereafter; and if the EDG became inoperable due to any cause other than preplanned preventative maintenance or testing, demonstrate the OPERABILITY of the remaining OPERABLE EDG by performing Surveillance Requirement 4.8.1.1.2.a.4 with.3 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months '; restore the diesel generator to OPERABLE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

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'This test is required to be completed regardless of when the inoperable EDG is restored to OPERABILITY.

NORTH ANNA UNIT 1 3/4 8 1 l

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ELECTRICAL POWER SYSTEMS LMTPCOMETTENR"ECPERATIN ACTION (Continuede

f. WMh one underground fuel oil storage tank of 3.8.1.1.b.2 Inoperable for the performance of Surveillance Requirement 4.8.1.1.4 or for tank repairs:

1. Verify 45,000 gallons of fuel is available in the operable underground fuel oil storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ,

2. Verify a minimum of 100,000 gallons of fuel oil is maintained in the above ground main fuel oli storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ,.

3. Verify an available source of fuel oil and transportation to supply 50,000 gallons of fuel in less than a 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months period, and

4. Restore the storage tank to OPERABLE status Within 7 days or place both Units in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and COLD .-

SHUTDOWN within the followinD 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

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ELECTRICAL POWER SYSTEMS ,

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4.8.1.1.4 For each underground diesel generefor fuel oil storage tank perform the l following at least once per 10 years: r

, 1. - Drain each fuel oil storage tank f l 2. Remove sediment from each fuel oli storage tank l

3. Inspect each fuel oli storage tank for integrity

4. Clean each fuel oil storage tank

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I NORTH ANNA UNIT 1 3/4 8-4d

,a ELECTRICAL POWER SYSTEMS SHUTDOWN =

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3.8.1.2 As a minimum, the following A C. electrical power sources shall be OPERABLE:

a. One circuit between the oftR9 transmission network and the onsite Class IE distribution system, and i

b. One diesel generator with:

1. A day tank containing a minimum volume of 750 gallons of fuel,

2. A Nel storage system consisting of two underground storage tanks each cernining a minimum volume of 45,000 gallons of fuel (This is a shared system with Unit 2), and 3.- A fuel transfer system.

l APPLICABILITY: MODES 5 and 6.

ACTION:

a. With less than the above minimum required A.C. electrical power sources OPERABLE, suspend all operations involving CORE ALTERATIONS of positive reactivity changes until the minimum required A.C.

electrical power sources are restored to OPERABLE status. :

b. With one underground fuel oil storage tank of 3.8.1.2.b.2 Inoperable for the performance of Surveillance Requirement 4.8.1.1.4 or for tank repairs:

1. Verify 45,000 gallons of fuel is available in the operable underground fuel oil storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months , ;

2. Verify a minimum of 100,000 gallons of fuel oil is maintained in the above -

ground main fuel oil storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months , '

3. Verify an available source of fuel oil and transportation to supply 50,000 gallons of fuel in less than a 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months period, and

4. Restore the storage tank to OPERABLE status within 7 days or place both Units in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and COLD '

SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months , and perform ACTION a, above.

SUREI1 #r,E Amt NBAMS 4.8.1.2 The above required A.C. electrical power sources shall be demonstrated OPERABLE by the performance of each of the Surveillance Requirements of 4.8.1.1.1, 4.8.1.1.2, 4.8.1.1.3 and 4.8.1.1.4.

NORTH ANNA UNIT 1 3/485

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2 Attachment 2 Proposed Technical Specification Changes North Anna Power Station Unit 2 i

d Virginia Electric and Power Company l

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$4B Fi FCTRICAL POWER SYSTEMS T4B 1 A C. SOURCES

- OPERATING LMTM3OCNJTD4fmCFERATD4 3.8.1,1 As a minimum, the following A.C. electrical power sources shall be OPERABLE:

a. Two physically independent circuits between the offsite transmission network and the onsite Class IE distribution system, and

b. Two independent diesel generators:

1. Each with a separate day tank containing a minimum of 750 Dallons of fuel, and i 2. A fuel storage cystem consisting of two underground storage tanks each containing a minimum of 45,000 gallons of fuel (This is a shared system with Unit 1),and

3. A separato fuel transfer system.

APPLICADILITY: Modes 1,2,3 and 4.

ACTION:

a. With one offsito circuit of 3.8.1,1.a inoperable, demonstrato the OPERABILITY of the romaining A.C. sources by performing Survollianco Requiroment 4.8.1.1.1.a within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and at least once por 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereafter. If either EDG has not been successfully tested within the past 24 hosts, demonstrato its OPERABILITY by portorming Surveillance Requirement 4.8.1.1.2.a.4 separately for each such EDG within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months . Rostore the off sito circuit to OPERABLE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months or bo in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months ,

b. With one diesel generator of 3.8.1.1.b inoperat90, demonstrate the OPERABILITY of the A.C.

offsite power sources by portorming Surveillance Requirement 4.8.1.1.1.a within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and at least once por 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereaf ter; and if the EDG became inoperable due to any cause other than proplanned preventative maintenance or testing, demonstrate the OPERABILITY of the remaining OPERABLE EDG by performing Surveillance Requirement 4.8.1.1.2.a.4 within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months '; restore the diosol generator to OPERABLE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

'This test is required to be completed regardless of when the inoperablo EDG is restored to OPERABILITY.

NORTH ANNA UNIT 2 3/4 8 1

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ACTION fContinuedk

f. With one underground fuel oil storage tank of 3.8.1.1.b.2 Inoperable for the '

performance of Surveillance Requirement 4.8.1.1.4 or for tank repairs:

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1. Verify 45,000 gallons of fuel is available in the operable underground !

fuel oil storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ,

2. Verity a minimum of 100,000 gallons of fuel oil is maintained in the above :

ground main fuel oil storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ,

3. Verify an available source of fuel oli and transportation to supply 50,000

gallons of fuel in less than a 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months period, and

4. Restore the storage tank to OPERABLE status within 7 days or place both Units in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

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4.8.1.1.3 (Continued) i

c. At least once per 18 months by verifying that:

1. The cells, cell plates, and battery racks show no visual indication of physical j damage or abnormaldeterioration.

2. The cell-to cell and terminal connections are clean, light and coated with anti- ,

corrosion material. ,

3. The resistance of each cell-to cell and terminal connection is less than or equal to 150 x 10 6 ohms.

4. The battery charger will supply at least ten amperes at 125 volts for at least 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months . i

d. At least once per 60 months, during shutdown, by verifying that the battery capacity is atleast 80% of the manufacturers rating when subjected to a performance discharge test. >

e. At least once per 18 months, during shutdown, perform a performance discharge test of !

battery capacity if the battery shows signe of degradation or has reached 85% of its l service life expected for the application. Degradation is indicated when the battery capacity drops more than 10% of rated capacity f rom its average from previous performance discharge tests, or is below 90% of the manufacturers rathg.

4.8.1.1.4 For each underground diesel generator fuel oil storage tank perform the following at least once per 10 years: ;

1. Drain each fuel oil storage tank

2. Remove sediment from each fuel oil storage tank

3. Inspect each fuel oil storage tank for Integrity

4. Clean each fuel oil storage tank I

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NORTH ANNA UNIT 2 3/4 8 6a

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FI FCTRICAL POWER SYSTEMS

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3.8.1.2 As a minimum, the following A.C. electrical power sources shall be OPERABLE: !

a. One circuit between the offsite transmission network and the onsite Class IE distribution system. ,

and l

b. One diesel generator whh:

1. A day tank containing a minimum volume of 750 gations of fuel.

2. A fuel storage system consisting of two underground storage tanks each !

containing a minimum volume of 45,000 gallons of fuel (This is a shared system with Unit 1), and

3. A fuel transfer system.

APPLICABILITY: MODES S and O. ,

ACTION: ;

a. With less than the abovr minimum required A.C. electrical power sources OPERABLE, suspend all ,

operations involving CORE ALTERATIONS or positive reactivity changes unti! the minimum required A.C. ;

electrical power sources are restored to OPERABLE status.

b. With one underground fuel oil storage tank of 3.8.1.2.b.2 Inoperable for the i performance of Surveillance Requirement 4.8.1.1.4 or for tank repalts:

1. Verify 45,000 gallons of fuel is available in the operable fuel oil storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ,

2. Verify a minimum of 100,000 gallons of fuel oil is maintained in the above ground main fuel oil storage tank at least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months , ,

3. Verify an available source of fuel oil and transportation to suppl? 50,000 gallons of fuel in less than a 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months period, and ;

4. Restore the storage tank to OPERABLE status within 7 days or place ;

both Units in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months , and perform ACTION a, above.

anElI NCEFm snANTS 4.8.1.2 The above required A.C. electrical power sources shall be demonstrated OPERABLE by the performance of each of the Surveillance Requirements of 4.8.1.1.1, 4.8.1.1.2, 4.8.1.1.3 and 4.8.1.1.4.

NORTH ANNA . UNIT 2 3/4810

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3 Discussion of Proposed Changes North Anna Power Station Units 1 and 2 i

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Discussion of Pronosed Technical' Snecification Channes ,

introduction The proposed changes to the North Anna Units 1 and 2 Technical Specification adds a surveillance ;

requirement to clean and inspect the diesel fuel oil storage tanks and modifies the appropriate Action requirements in order to accommodate the nrw proposed surveillance requirement. In Oddition, the proposed change clarifies that the fuel storage system is a shared system.

The additional surveillance requirement will not reduce emergency diesel generator reliability.

Rather, reliability will be enhanced from cleaning and inspection of the tanks.

Descrintion of the Pronosed Chance Two underground fuel oil storage tanks are available to provide sufficient fuel to operate two

- emergency diesel generators at full load for seven days in accordance with the design basis. They are missle protected, selsmic category I tanks. Each 50,000 gallon tank is fed by gravity from a 210,000 gallon above ground main fuel oil storage tank and can also be fed by emergency, seismic c@tegory 1, tornado, missile, and flood protected truck fill line connections.

General Industry experience has indicated that periodic cleaning and inspection of underground tanks is prudent. However, the tanks must be removed from service in order to perform periodic cleaning and/or inspection. The current action statements in Technical Specification 3.8.1.1 (modes 1 through 4) and Technical Specification 3.8.1.2 (modes 5 and 6) do not currently provide for removal of a tank from service.

The proposed change adds a surveillance requirement to clean and inspect the diesel fuel oil storage tanks at least once per 10 years. The appropriate Action requirement is also modified to allow for removal of the tank for up to 7 days for anticipated maintenance to the tank or associated components. .

Provisions are established in the proposed change to ensure that with one tank out of service, a minimum of 100,000 gallons of fuel would be available from the above ground tank and arrangements would be made to ensure an additional 50,000 gallons of fuel oil could be delivered in less than a 48 hour5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months period if required. This would ensure operation of the required two emergency diesel generators (one per unit) at full load for 7 days since the tank not removed from ,

operation would provide fuel to operate the two emergency diesel generators for at least 31/2 days at full load and backup capabilities to refill the tank in this time frame are established.

Safety Analysis The accident analyses are not affected by the proposed Technical Specification change. The emergency diesel generators are installed to provide an emergency source of power to vital equipment when the normal source (s)is not available. The accident analysis in the Updated Final Safety Analysis Report, Section 15.2.9, Loss of Offsite Power to the Station Auxiliaries (Station Blackout), includes automatic starting of the emergency diesel generators and sequenced loading of vital equipment. The replenishment fuel will ensure the same availability of the emergency diesel generators as with both underground fuel oil tanks in operation.

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, Monomad Technical Snacification Channes Cont'd.

I in the event of an emergency requiring operation of the emergency diesel generators, work on the ;

tank out of service would be stopped or completed as appropriate to properly return the tank to -

service in an expeditious manner. The above ground tank would be sampled and fuel would be ;

F tr:nsferred to the underground tank. Should the above ground tank become inoperable simultaneously with the emergency diesel generator demand event, fuel would be transported from '

- the prearranged source to the operable underground tank (s).

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10 CFR 50.92 Evaluation !

North Anna Power Station Units 1 and 2 i

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8 asis *for No Significant Hazards Determinatlor)

The proposed change does not involve a significant hazards consideration as defined in 10 CFR 50.92 because operation of North Anna Units 1 and 2 in accordance with this change would not:

(1) involve a significant increase in the probability or consequence of an accident previously evaluated. This change does not alter the conditions or assumptions of the accident analysis or the basis of the current Technical Specification. The consequence of a diesel generator failure is unchanged. Fuel oil would be available to supply one diesel generator per unit enough fuel to meet the t- requirement for full load operation for 7 days.

(2) create the possibility of a new or different kind of accident from any accident previously identified. This change does not alter the conditions or assumptions of the accident analysis or the basis of the current Technical Specification. This is not a hardware change.

(3) involve a significant reduction in a margin of safety. This change does not alter the conditions or assumptions of the accident analysis of the basis of the current Technical Specification it is not an actual hardware change.

Therefore, pursuant to 10 CFR 50.92, based on the above considerations, it has been determined that this change does not involve a significant hazards consideration.

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Attachment 5 i i

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Markup of the North Anna MERITS Technical Specifications t

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. AC Sources - Operating 3.7.1 ;

ACTIONS (continued)

CON 0! TION ,

REQUIRED ACTION COMPLETION TIME E. Two required offsite E.1 circuits inoperable. ------- -NOTES--- ------

1. Only required if diesel generator is not operating.

2. Only required for a diesel generator if not successfully '

completed within -

past 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months . '

Perform SR 3.7.1.5 for 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months both diesel generators. -

&lE E.2 Restore one required 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months offsite circuit to ;

OPERABLE status. '

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F. One loss of voltage trip device channel -----.-NOTE--- - - --

inoperable. Channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing of. :

other channels.

F.1 Place channel in trip 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months condition.

G. One degraded voltage trip device channel ------- NOTE------ ----- -

l inoperable. Channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing of other channels.

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L G.1 Place channel in trip 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months i L condition.

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, North Anna Units 1 & 2 3.7-6 Amendment Nos. xxx & yyy . -

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i CONDITION REQUIRED ACTION COMPLETION TIME !

i H. One fuel oil stora0e tank inoperable H.1 Perform S.R. 3.7.1.3 for Onos per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months l for the periormance of S.R. 3.7.1.35 operable fuel oil stora08 ;

F or for tank repairs. tank.

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AND H.2 Verify lt 100,000 gallons Once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months .

of fuel oilis rt.sintained in ;

A source of fuel oil and transportation the above ground main ;

to supply 50,000 gallons of fuel within fuel oil storage tank 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months is available.

AND '

H.3 Restore the stora0e tank 7 days i

to OPERABLE status.

i l l. Required actions of Cordtion H not met 1.1 Place both Units in HOT 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months ;

j- within required completion time. STANDBY AND f 1.2 Place both Units in COLD 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SHUTDOWN ;

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. AC Sources - Operating l

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. ACTIONS (continued). '

CONDITION

. REQUIRED ACTION COMPLETION-TIME Y[. Required Action met within requ red ; H.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months Completion Times.

ANQ g H.2' Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months ,

SURVEILLANCE REQUIREMENTS '

SURVEILLANCE FREQUENCY l v

E SR- 3.7.1.1 Verify correct-breaker alignment and 7 days 7 indicated power availability for each +

required offsite circuit.

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SR 3.7.1.2 Verify each fuel oil day tank contains 2 750 gallons of fuel oil, ' Table 3.7.1-1 (

as required by ,

-4 D/G frequency SR 3.7.1.3 OSCA VerifyAfuel oil storage tanks contain 31 days 2 45,000 gallons of fuel oil. h 2 :::' :: :::::L -t

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i SR 3.7.1.4 Verify each fuel oil transfer pump starts 31 days and-transfers fuel oil from the storage tanks to the day tanks.

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North Anna Units 1 & 2 3.7-7 Amendment Nos. xxx & yyy

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_3.7.1.

SURVE!LLANCE REQUIREMENTS (continued)

SURVEILLANCE I

. FREQUENCY SR 3.7.1.34 -- -------

NOTE---~------- ---------

All diesel generator starts may be ;-

preceded by warmup and prelube procedures :i as recommended by the manafacturer, including manufacturer's lotding 0

reconenendations for warmup, 1 i

Start both diesel generators 10 years simultaneously and verify the following j

! voltage and frequency are achieved .in AtiQ p s 10 seconds: !

a. After '

Voltage 2 3740 and 5 4580 volts, modifications L and '

which could .

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b. Frequency 1 58.8 and a 61.2 Hz. affect diesel.

l~ generator intter- - 4 dependence j g .

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l; . SR 3.7.1.35 For the fuel oli system: 10 years 4

a. Drain each fuel oi storage tank,

b. Remove s imen to ge tank,' enda

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l Antin/Jhnp&ty, Amer A t CROSS-REFERDICES - None.-

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. North Anna Units 1 & 2 3.7-18 '

Amendment Nos. xxx & yyy l '.. 'y >

Ng'g k- 7

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AC Sources - Shutdown 3.7.2 L 3. 7- ELECTRICAL POWER SYSTENS~

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3.7.2 AC Sources ' Shutdown LCO -3.7.2 The AC electrical power sources shall be OPERABLE with:

a.

p One circuit between the offsite transmission network and the onsite safety-related distribution system, and

b. One diesel generator. ,

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i APPLICA8ILITY: MODES 5 and 6, During movement of irradiated fuel During crane operation over irradiated fuel assemblies:

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L ACTIONS p

$ CONDITION: REQUIRED ACTION -COMPLETION TINE J,

B A. 60tPWUMHrt".' .--...-...N0TE-----.----

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Suspension of A.1, A.2,- -

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' gi did M M and A.3 activities shall (

l not preclude completion-

, Jdlis#M / h , of actions to establish a safe conservative condition.

A.1 Suspend CORE ALTERATIONS. 15 minutes ;

E 1 A.2 Suspend movement of 15 minutes irradiated fuel.

E i

A.3 Suspend crane operations 15 minutes !

oyer spent fuel pool. I E 1 !

(continued) 4 I

North Anna Units 1 & 2 3.7-20 Amendment Nos. xxx & yyy 8

a ^- ' - . - - , - . . - . - - .. - - - - - - - ---

c..:,7, y ..

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~ L" ' ff. - .

AC Sources _- Shutdown- l

! . :- . -3.7.2 ACTIONS- -

. CONDITION- REQUIRED ACTION- COMPLETION TIME

\

A.. (continued)- A.4 ;

Suspend operations with -15 minutes a potential.for. draining -1 the reactor vessel.

E A.5 Suspend operations 15 minutes ,l involving positive- 1 reactivity additions.

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.A.6.1 Initiate action to- 15 minutes -1 t

restore required ~AC l

electrical power sources. 1 M

A.6.2 Continue action ~to Until i

. restore required AC _ required ~AC ;

electrical power sources. electrical a power ;

sources -

restored h}Yh SURVEILLANCE REQUIREMENTS . '

SURVEILLANCE-FREQUENCY:

SR 3.7.2.1 , Perfom: As specified V by applicable-(i SR 3.7.1.1 through SR 3.7.1.5, SRs '

SR 3.7.1.7 through SR-3.7.1.15, (continued) r

'l North Anna Units 1 & 2 3.7-21 Amendment Nos. xxx.& yyy

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",- INSERT,B .

1, CONDITION REQUIRED ACTION COMPLETION TIME

. B.- One fuel oil storage tank inoperable B.1 Perform S.R. 3.7.1.3 for Once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months for the performance of S.R. 3.7.1.35 operable fuel oil storage or for tank repairs.

tank. -

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AND '

AND B.2 Verify it 100,000 gallons Onos por 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months of fuel oilis maintained in A source of fuel oil and transportation the above ground main to supply 50,000 gallons of fuel within fuel oil storage tank 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months is available.

AND B.3 Restore the storage tank 7 days -

L to OPERABLE status.

(- 5 C. Required actions of Condition H not met C.1 Place both Units in HOT 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months within required completion time. STAND 8Y AND C.2.1 Place both Units in 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months COLD SHUTDOWN.

AND C.2.2 Perform required actions immediately of condition A.

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ML20012E169

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