Text

Marked-up Revised Tech Spec 3/4 8-4 for Electrical Power Sys
	ML20126K080
Person / Time
Site:	Farley
Issue date:	05/05/1981
From:	; ALABAMA POWER CO.
To:	;
Shared Package
ML20126K072	List: ML20126K071; ML20126K080;
References
	NUDOCS 8105110208
	Download: ML20126K080 (6)
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'..x' ELECTRICAL POWER SYSTEMS 5

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SURVElLLANCE REQUIREMENTS (Continued')

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Verifying the diesel generator is aligned to provide standby

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power to the associated emergency busses.

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At 'least once per 92 days by verifying that a sample of diesel fuel

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from the fuel storage tank obtained in accordance with ASTH-D270-65,.

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is within the acceptable limits spec

.. wnen enecked for viscosity, water anhfiec.in Table 1 of AS111 D975-74 seticent.

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./,;.C-LAt least once per 18 months by:

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Subjecting the diesel to an inspection in accordance with UM. :

procedures prepared in conjunction with its manufacturer's

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%v reccomendations for this class of standby service, Gj.,

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2.

Verifying the capability to reject a load of greater than or 2WP">~

equal to the largest single load associated.with that diesel Q.t ~. l.

generator, while maintainAng voltage between 3120 and 4910 volts and speed less than or equal to 75/, of the dif ference between J

nominal spee'd and the overspeed trip setpoint and verifying 4':

recovery to.4160 i 420 volts and 60 i 1.2 Hz within 2 seconds.

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Verifying the generator capability to reject a load equal to

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ns conunuous raung vnnout tripp1ng.

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shall not exceed 120% during and folleving the load rejection.

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Simulating a loss of offsite power by itself, and:

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a)

Verifying de energi2ation of the emergency u ses and load

[l shedding from the emerDency busses.

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'b) ' Verifying the diesel starts e auto-start signal,.

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energizes the emeroency bus es with permanent 1v connected to a#

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loads withiD C 0 second's EFiergizes the auto-connected W/;

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shutdown loads through the load sequencer and operates for% d,/

greater than or equal to 5 minutes while its generator is ' g

loaded with the shutdown leeds.

After energi2ation of all p,

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. loads, the steady state volta 0e and frequency of the emer-gency busses shall be maintained at 4160 + 420 volts and CO a-1.D We duri ny

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5.

Verifying that on an Safety Injection test signal (without loss of offsite power) the diesel generator starts on the auto-start signal and operates on standby for greater than or equal to 5 minutes.

The generator voltage and frequency shall be 2 3952 volts and 1 57 Hz within 10 seconds after the auto start signal; the steady state penerator voltage and frequency shall

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be maintained between 4160 1 420 volts and 60 1 1.2 Hz during this FM.$. _Aue test.

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h. 9 s ELECTRICAL POWER SYSTEMS

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..;b@SURVIILLANCE REQUIREHERTS (Continued)

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l Simulating a loss of offsite power in conjunction w th a Safety

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Jnjection test signal, and w

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Verifying de energization' of the emergency b sses and load

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shedding front the emergency busses.

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b). Verifying the diesel starts from ambient c dition on th ur q l Am..

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4' euro starr. signal, energ12es the emergency busses with

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permanently connected loads within 10 seconds energizes

,y the auto-connected emergency accioent) 7$$$.?4.77"T load sequencer and operates for greater than or equal tothrough the

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5 minutes while its generator is loaded with the e:tergency y.s29 mg:n

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After energization, the steady state voltage and N' f.c W?f : ' '

frequency of the emergency busses shall be maintained at y

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4160 + 420 volts and 60 + 1.2 Hz during this test.

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Verifying that all automatic diesel generator trips, j

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Tube oil pressure, art. automatically bypassed upon loss of Qb-O voltage on the emergency bus and/or a safety injection test signal.

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'"~ ^ O Verifying the diesel generator operates for at least 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

During the first 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months of this tent. the diesel-de norator shall

' ~~ De loaded to greater than or equal to 4474 kw for the 4075 kw m

.W diesels and 3250 for the 2850 diesels and during the remaining '

MqC, 22 hours2.546296e-4 days 0.00611 hours 3.637566e-5 weeks 8.371e-6 months of this test, the diesel generator shall be loaded to QQ greater than or equal to 4075 kw for the 4075 kw diesels and "s

2850 kw for the 2850 kw diesels.

Immediately after completing

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this 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months test, perform Specification 4.8.1.1.2.c.4.

The j;Q generator voltage and frequency shall be 13952 volts and 157 H2 t.pM,'

within 10 seconds after the start signal; the generator voltage

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and frequency shall be maintained between 3120 and *1E volts hM.,.

and'57 and 61.2 Hz during this test.*

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Verifying that the auto-connected loads to each diesel generator T."

do not exceed the 2000 hour0.0231 days 0.556 hours 0.00331 weeks 7.61e-4 months rating of 4353 kw for the 4075 kw

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generator and 3100 kw for the 2850 kw gem rator.

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Verifying the diesel generator's capability to:

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Synchronize with the of fsite power source while the Y:JS,-

generator is loaded with its emergency loads upon a W+ c @.;..'N;g...

t simulated restoration of offsite power,

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b)

Transfer its loads to the offsite power source, and q'- ),.Q c)

Ba restored to its standby status.

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This is a ono 7l 3 f. time chanDe to plant operations prior to initial criticality.

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.,JARLEY-UNIT 3/4 8-5 Amendment No. 1

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These draft Technical Specification pages provide limits for energizing all Unit 2 related diesels. The 24 second limit for diesel 2C is based on the following:

1.

I second delay for intermediate relay actuation and breaker (DG-13) trip.

2.

Up to 1 second delay for closing of the output breaker DJ06.

3.

20 second time delay for bus 2J + 2 second tolerance for time relay actuation.

Total : 24 Seconds r

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Rev.-

FAR12Y lluCLEAR PLANT CN I?o. N/A Rev.

HUCLEAR SAFETY EVALUhTION CHECK LIST FSAR ChAnga N/otice N

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PDFe 4 of Mhb No. _,_

A (if applicable) o (1) UNIT o

' -(2) CHECK LIST APPLICANT.E TO:

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..(3)

SAFETY EVA10ATION - PART A I

M_b _bd The procedure, design change or modification to which this evaluntion is applicable represents:

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(3.13 Yes No. /

A change to procedures as described in the FSAR?

A chanze to the plant as described in the FSAR?

.(3.2)

Yes No (3.3)

Yes No

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A test or experiment not described in the FSAR?

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' (3.4)

Yes g/

No A change to the plant technical specifications t

(Appendix A to the Operating License)?

. If1 t.he answer to any of the above questions is "Yes," cornplete Itum (4) and an FSAR

-.. Chonge Noti _ce_.

If the answer to all_ of the nbove is "No_," omit Iten (4)and PSAR CN.

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i~ (4). SAFETY EVALUATION - PART B (Justification for Part B answers cust be included on Page 2)

M Will the probability of an accident previously (4.1) Yes No

'2 cvaluated in the FSAR be increased?

.(4.2) Yen,

No' d Will the consequences of an accident previously evaluated in the PSAR be increased?

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(4.3) Yes No _ d May the possibility of an accident which is different

.,i than any already evaluated in the FSAR be created?

-(4.4) Yes No _d Will the probability of a malfunction of equipc> ant important to safety previously e. valuated. in the YSAR-be increased?

d vill the consequences of a malfunction of equipment.

(4.5)

Yes__

no important to safety previously evaluated in the FSAR be inerensed?

i; (4,6)

Yes _

No liay the possibility of a malfunction of equipment important to nafety different than any already cvaluated in the FSAR be created?

[ Will the margin of safety as defined in the bases to (4.7) Yes tio any Technien) Specification be reduced?

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If the cuswer to any of the above questions is "Yes," an unreviewed safety question is involved.

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DATE _ ("b (10) PORC REVIDJ:

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i FARLEY NUCLEAR PLANT i

N11 CLEAR SAFETY EVALUATI0h! CHECK LIST

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FARLBY NUCLEAR PLANT NUCLEAR SAFETY EVALUATION GlECK LIST gs Page9esof M 6 "Ihe following providen justification for answers given in Part B of the sorety cvaluation:

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