ML20237J988

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Proposed Tech Specs Re Emergency Diesel Generators
ML20237J988
Person / Time
Site: Waterford Entergy icon.png
Issue date: 08/24/1987
From:
LOUISIANA POWER & LIGHT CO., NEW ORLEANS PUBLIC SERVICE CO.
To:
Shared Package
ML20237J945 List:
References
NUDOCS 8708260396
Download: ML20237J988 (6)
v • d • e


Text

, ,

, INSERT A

a. With one offsite circuit of 3.8.1. la inoperable, demonstrate the OPERABILITY of the remaining offsite A.C. circuit by performing Surveillance Requirement 4.8.1.1.la within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter. If either diesel generator has not been ,

successfully tested within the past 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. demonstrate its OPERABILITY by performing Surveillance Requirement 4.8.1.1.2a.4 separately for each diesel generator (unless it is already operating) '

within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Restore the offsite A.C. circuit to OPERABLE status 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 />.

b. With one diesel generator of 3.8.1.lb inoperable, demonstrate the OPERABILITY of the offsite A.C. circuits by performing Surveillance Requirement 4.8.1.1.la (separately for each offsite A.C. circuit) within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter. If the diesel generator became inoperable due to any cause other than preplanned Y,

preventive maintenance or testing, demonstrate the OPERABILITY of the remaining OPERABLE diesel generato +by performing Surveillance Require- l ment 4.8.1.1.2a.4 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Restore the diesel generator to s I OPERABLE status 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 90T 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 />.

Ih6d}e' V'Q INSERT B and, if the diesel generator became inoperable due to any cause other than preplanned preventive maintenance or testing, demonstrate the OPERABILITY of the remaining OPERABLE diesel generator by performing Surveillance Requirement 4.8.1.1.2a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> (unless it is already operating).

INSERT C Restore the other A.C. power source (offsite A.C. circuit or diesel generator) to OPERABLE status in accordance with the provisions of ACTION statement a or b, as appropriate, with the time requirement of that ACTION statement based on the time of initial loss of the remaining inoperable A.C. power source. A successful test of diesel generator OPERABILITY per Surveillance Requirement 4.8.1.1.2a.4 performed under this ACTION statement satisfies the diesel generator test requirement of ACTION statement a or b.

8703260396 070824 PDR ADOCK 05000382 P PDR

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)

_ INSERT D Following restoration of one offsite A.C. circuit, follow ACTION statement a with the time requirement of that ACTION statement based on the time of initial loss of the remaining inoperable offsite A.C. circuit.

A successful test of diesel generator,0PERABILITY per Surveillance Requirement 4.8.1.1.2a.4 performed under this ACTION statement satisfies the diesel generator test requirement of ACTION statement a. i INSERT E l

Following restoration on one diesel generator, follow ACTION statement b with the time requirement of that ACTION statement based on the time of initial loss of the remaining inoperable diesel generator. .. :::::::ful

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ELECTRICAL POWER SYSTEMS fr uch h,vle/f sel generatu ACTION (Continued) *u= -

A #' #, ,,

g."' 1 With two of the above required offsite A.C. cir(sits inoperable. I demonstrate the OPERA 81LITY of two diese Surveillance Requirement 4.8.1.1.2a.4 generators by performing

=: within 1 ':: :r4 :t !:::t operating; restore :t !::;t one of the inoperable offsite::r to hSgAT _ OPERABLE the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.status within IWith only one 24 ffsitehours sour or be in at least NOT S i
les two o site ~ cuits to restore rest e at 3 t of i RA8LE st s within hour tial ss or be at tea fr hours and OLD $ WN withi T STAN08 ithin e e foll o 30 h s.

f.b With two of the above required diesel generators inoperable.

demonstrate the OPERA 8ILITY of two offsite A.C. circuits by l performing Surveillance Requirement 4.8.1.1.la, within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter; restore :t ?:::t one of the inoperable diesel generators to OPERA 8LE status within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or bel in at the within least HOT 30 followino STANOBY within the hours, i Restore least next t

6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in CO M$ggr to O ERA 8LE tus thin 72 ours f diese generators 6 i t laa NOT time o nitial ss w thin OBY w in th xt 6 s and a foi owino ours. OLD DOWN SURVEILLANCE REQUIREMENTS 4.8.1.1.1 transmission network and the onsite Class 1E distribution s a.

Determined OPERABLE at least once per 7 days by verifying correct breaker alignments, indicated power availability, and b.

Demonstrated OPERABLE at least once per 18 months by transferring manually and automatically unit power supply from the normal circuit to the alternate circuit.

4.8.1.1.2 EachdieselgeneratorshallbedemonstratedOPERA8LE:$

l i

a.

In accordance with the frequency specified in Table 4.8-1 on a STAGGERED TEST BAS!$ by:

1.

Verifying the fuel level in the diesel oil feed tank, 2.

Verifying the fuel level in the diesel generator fuel o'il storage tank, 3.

Verifying the fuel transfer pump can be started and transfers fuel from the storage system to the diesel oil feed tank, 4

Acu Pupuneo Sraars foa Tu c Puepose Of fuaveiu t ant:.a la we Scc rio n Ma y Be Pe a c s os o By A PRc t ues Pemo n ,4 S Recorarncupsa By 'rns MANUFA C TUR ECR ,

WATERFORD - UNIT 3 3/4 8-2

, . ,1 ELECTRICAL POWER SYSTEM

[/'h SURVEILLANCE REQUIREMENTS (Continued)

/

4. Verifying the diesel starts fr= /=ti:nt :=dition and accelerates I j to at least 600 rpm (60 1 1.2 H ) in less than or equal to 10 secordi.* 1 The generator voltage and fre ency shall be 4160 1 420 volts and 60 1 1.2 Hz within 10 seconds after the start signal. The l diesel generator shall be started for this test by using one of the following signals:

a) Manual.

b) Simulated loss-of-offsite rower by itself.

c) Simulated loss-of offsiie power in conjunction with an ESF actuation test signal, d) An ESF actuation test signal by itself. 4 sulisefum@

5. loaded to grect:r than Verifyingthegeneratorissynchronized[lto176 g er equ:1 t: '100 kW- in less than or equa seconds,*and an inda/ed operates "!!h : 10:d gre:ter th= Or equ:1 :: i'00 kW for at s p o o . <j v o o M
  • 1 east an additional 60 minuth , and
6. Verifying the diesel generator is aligned to provide standby power to the associated emergency busses,
b. At least once per 31 days and after each operation of the diesel f where the period of operation was greater than or equal to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> by checking for and removing accumulated water from the diesel oil feed tanks.
c. At least once per 92 days and from new fuel oil prior to addition to the storage tanks, by obtaining a sample of fuel oil in accordance with ASTM-D270-1975, and by verifying that the sample meets the following minimum requirements and is tested within the specified time limits:
1. As soon as sample is taken (or prior to adding new fuel to the storage tank) verify in accordance with the test specified in ASTM-D975-77 that the sample has:

a) A water and sediment content of less or equal to 0.05 volume percent.

b) A kinematic viscosity 0 40'C of greater than or equal to Se all o#u swNed- 1.9 centistokes, but less than or equal to 4.1 centistokes.

hnee tests' lod Ac -

A specific gravity as specified by the manufacturer @

c) diesel yn dor d 60/60*F of greater than or equal to 0.80 but less than or rde uns@d *./t equal to 0.99 or an API gravity @ 60'F of greater than or

%*,g'fj"7,7 , equal to 11 degrees but less than or equal to_47 degrees.

. fast regare)

  • The diesel generator"., tart (10 :::) :nd :ub::quent loading (176 sec) (+em-L eMent-conditions shall be performed at least once per 184 days in these surveillance tests) All Other agi n :t= t: ad 10: ding f r---the purp :: of thi: : r=f11=:: te: ting :y 5: prc=d:d by = :ngine prelube period =d/c- ,

ether = up pr:= dure: r:===d:d by th: .:=uf=turer :: that =:hri=1

tr:n = d ;= r er the diere! = ;ine it # 4-i::1
  • " % .rNSERT G WATERFORD - UNIT 3 3/4 8-3

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5

<,y

. ELECTRICAL POWER SYSTDIS SURVEILLANCE RE00!AEMENTS (Continued) b)

Verifying the diesel starts on the auto-start signal, en-ergizes the emergency busses with permanently connected loads within 10 seconds after the auto-start signal, ener-gizes the auto-connected emergency Ivads through the load sequencer and operates for greater than or equal to 5 sin-utes. After energiration, the steady-state voltage and frequency of the emergency busses shall be maintained at 4160 t 420 volts and 60 + 1.2, -0.1 Mr during this test, c)

Verifying that all automatic diesel generator trips, ex-capt engine overspeed and generator differential, are automatically bypassed upon loss of voltage on the emer-gency bus concurrent with a safety injection actuation signal.

6.

M Verifying the diesel generator operates for at least 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

,, jfig/d/ During the first 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of this test, the diesel generator

\ shall. be loaded to4 : nt:r th: 2 :: ,

N #* # #.. j me remainfng ZZ hours of this test, the diesel:;n'. t- ""a t" and during j be loaded tqan:t:r th ;r ::::'. t "" "l.

enerator shall he generator g voltage ant Treqency shall be 4160 2 420 volts and 60

  • 1.2 Hz within 10 seconds after the start silnal; i the steady-state on indicated generator. voltage and frequency shal' i

' 60 + 1.2, -0.3 be 4160 t 420 volts and

  1. 1.00 to ## m 4
  • 8

7.

3b.***

Verifying that the auto-connected loads to each diesel generator do not exceed the 2000-hour rating of 4400 kW.

8.

Verifying the diesel generator's capability to:

a)

Synchronize with the offsite power source while the generator is loaded with its ener tion of offsite power, gency loads upon a simulated restora-b) Transfer its loads to the offsite power source, and c) Se restored to its staney status.

9.

Verifying that with the diesel generator operating in a test mode (connected to its bus), a simulated safety injection signal overrides the test mode by (1) returning the diesel generator to standby operation and (2) automatically energizes l the emergency loacs with offsite power. i' 10.

Verifying that the fuel transfer pump transfers fuel from each fuel storage tank to the diesel oil feed tank of each diesel via the installed cross connection Ifnes.

" See TNSERT l$

WATERFORD - UNIT 3 3/4 8-5 M M NO. 4

  • *
  • See frAS&RT A

, 1.

TA8LE 4.8 1 DIESEL GENERATOR TEST SCHEDULE

' NUMBER OF FAlt.URES IN \

LAST VAL!O TESTS.* Nsarde# of # 4v##5 # I 4 Asr uur v4ub rasrs ' TEST FREQUENCY 11 ff At least once per 31 days 4-4- 2.2,#

^^ 5 ;; :::: ;;: 2 ,;

2 S' At least once per 7 days " l 3

_ 1. .. .

...........,...,.m. ,

" Criteria for determining number of failures and number of valid tests shall be in accordance with Regulatory Position C.2.e of Regulatorv 14 j Guide 1.108, determined on Revision a per y 1, August 1977, where the last*100 tests are

rit basis.

$8h) For the purposes of this test schedule, onTy valid tests conducted after the Operating License issuance data shall be included in the computation of the "last 100 valid tests".

31 day test frequency. Entry into this test schedule shall be made at the Incter. sed desi ne>ey de ese d,es*/

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WATERFORD - UNIT 3 3/4 g.7

.q/.8,t.I.2t7.5

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