ML18011A874

Proposed Tech Specs,Revising EDG SR Contained in Section 4.8.1.1.2 to Be Consistent w/NUREG-1431,new Std TS for Westinhghouse Plants & Eliminating Need for Duplicate EDG Testing Being Performed

ML18011A874
Person / Time
Site:	Harris
Issue date:	03/30/1995
From:	CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML18011A873	List: HNP-95-023, Application for Amend to License NPF-63,revising EDG SR Contained in Section 4.8.1.1.2 to Be Consistent w/NUREG-1431 New Std TS for Westinghouse Plants & Eliminating Need for Duplicate EDG Testing Being Performed ML18011A874
References
RTR-NUREG-1431 NUDOCS 9504060098
Download: ML18011A874 (11)

Text

ENCLOSURE 5 SHEARON HARRIS NUCLEARPOWER PLANT NRC DOCKET NO. 50-400/LICENSE NO. NPF-63

'EQUEST FOR LICENSE AMENDMENT EMERGENCY DIESEL GENERATOR SURVEILLANCEREQUIREMENTS I

I E IFI T

N P Page ES-1 l

9504060098~950330

"'DR ADOCK 05000400.'P PDR

ELECTRICAL SYSTB6 A.C.

SOURCES SURVEILLANCE RE UIREMENTS Contf nuad L

Sfaulated loss of offsfte power by itself, and 2.

A Safety Injection test signal by ftself.

This test, ff ft is performed so that it coincides with the tasting requfrad by Survei11ance Requfraient 4.8.1.1.2.a.4, may also serve to concurrently eeet those requfreaants as well.

At least once per IS Nonthsduring shutdown by:

xnserfr

'cletmd dfe 1

f fufftM ons o

th as of e

c.

2.

Verffyfng that, eo re$ ectfon of a load of greater than or aqua1 to X078 IN,. the voltage and frequency are aafntafned with 6900 a 690 volts and 60 0 6.75 Hz, fifth frequency stabf1frfng to 60 0 L2 Ht wfthfn XO seconds wftteut any safety-related load trfppfng out or operating fn a degraded condftfan.

3.

Verifying that the load sequencfng tfaer fs OPERA8LE with the

.fhterval between each load block wfthin Iml of fts design interval.

4.

SfaAatfng a loss of offsfte power by itself, and:

4.8.LL2 (Continued}

The generator shall be Nanually synchronfted to fts ro rf a

~~[e4 eae e

bus, loaded to an fndfcated 62tm-6400~N and operate for at, least 60 ainu as.

ha Wele4 d esel generator s

1 be started for thfs test by usfng ona of the followfng signals on a rotating basis:

~fs shall be cond accordance wf Nanufactu s racomme-ons regardfng a

prelube and wa

'ocedures, as appl fc re ardf n lo racomendatf ons.

Thfs band fs scant. as guidance to avoid routine overloading of the angina.

Loads in excess of thfs band for special testing or soaentary variations due to changing bus loads shall not invalidate the test.

SHEARON HARRIS NIT L 3/4 8 6

ELECTRICAL POWE STEMS A. C.

SOURCES

. OPERATING SURVEILLANCE REOUIREMENTS Continued 4.8.1.1.2 (Continued) a}

Verifying de-energfzatfon of the emergency buses and load shedding from the emergency buses.

b)

Verifying the diesel starts~

on the auto-start signal,'nergizing the emergency buses wfth permanently connected'oads fn less than or equal to 10 seconds, energizing the auto-connected shutdown loads through the load sequencer, and operating for greater than or equal to 5 minutes while fts generator fs loaded with the-emergency loads.

After energfzatfon of these

loads, the steady-state voltage and frequency shall be aafntafned at 6900 a 690 volts and 60 0 1.2 Hz.

6.

Verifying'that on a safety infection test signal (without loss of peer) the diesel generator starts~

on the auto-start signal and operates on standby for greater than or equal to 5 minutes.

Sfmulatfng a loss of offsfte power fn conjunction with a safety infection test signal, and a)

Verifying de-energfzatfon of the emergency buses and load shedding from the emergency buses.

b)

Verifying the dfesel starts~

on the auto-start signal, energizing the emergency buses with permanently connected loads fn less than or equal to 10 seconds, energizing the auto-connected emergency (accf dent) loads through the sequencf ng timers, and operatf ng for greater than or equal to 5 afnutes and aafntafnfng the steady-.state voltage and frequency at 6900 t 690 volts and 60 4 L2 Hz.

c)

Verffyfn t all dfese enerator trips, pt engine ove ed, loss of rator potential tr former ci ft, nerator dfffe al, and eeergency dfffere al are autalatfcall assedig8p1oss o

ffsfte p signal in con$ unctf with a safety fn$e on signal.

Ms test shall be conducted in accordance with the manufacturer 's recommen-dations regarding engine prelube and warmup procedures, and as applfceb>e regarding loading recoaeendatf ons.

SHEARON HARRIS - UNIT 1 3/4 8-7

ELECTRICAL P R SYSTEHS A.C.

SOURCES OPERATING SURVEILLANCE RE UIREMENTS Continued elf "Dele'"

Zv4ek

'Pdekd" 7.

10.

12.

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 />.

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 to 6800-7000 lAP and, during the remaining 22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> of this test, the diesel enerator shall be loaded 'n indi-.

ed 6200-640 i

n mi u e

c mph'.ti g %hi 2 -hou t t e

o S rve l c

Re i

e

.8.i.1 2.f.c.

V ng co e

o s

c n

ce e

on n

us ra n

f Verifying the diesel generator's capability to:

a)

Synchronite with the offsite power source while the generator is loaded with its emergency loads upon a simulated restoration of offsite power, b)

Transfer its loads to the offsite power source, and c)

Proceed through its shutdown sequence.

Ver fyi tha e

owi g d e 1 ge rato o

out eatu s

p ven dies gene tor pera on:

gine've d

Gener r d fe tial c)

Eme ency us di fere ial d) en Stop rati 1

mai tenan e s tch n

mai ten ce a

)

ss o

ene ator oten al ansf rme cir it Verifying the generator capability to re5ect a load of between 6200 and 6400 N without tripping.

The generator voltage shall not exceed X1CL of the generator voltage at the start of the test during and following the load rejection; Verifying that, with the diesel generator operating in a test mode and connected to its bus, a simulated Safety Injection-signal overrides the test made by:

(1} returning the diesel generator to standby aperatian and (2} automatically energizing the emergency loads with affsite power.

3/4 8-8 This test shall be conducted in accordance with the manufacturer's recommen-dations regarding engine prelube and warmup procedures, and as applicable regarding loading recoaeendations.

Ignis band is meant as guidance to avoid routine overloading of the engine.

Loads in excess of this band for special testing or momentary variations due chan in bus loads shall not invalidate'he tes fI p i a

no s

a ri y e

d, t s

ce sary to epe th p

c in 4-ur st I

te h

di e

g to ma be per ed t 0

kM for h r u i a

ra n t p

t re s

i ze.

SHEARON HARRIS - UNIT 1 W/+~

ELECTRICAL POtPtE STEMS A.C.

SOURCES OPERATING SURVEILLANCE REOUIRBlENTS Continued g.

At least once per XO years or after any eodfffcatfons Afch could affect diesel generator interdependence by starting both diesel generators simultaneously, during shutdown, and verifying that both diesel generators accelerate to at least 450 rpe fn less than or equal to M seconds!

h.

At least once per R years by:

2)

Drafnfng each aefn fuel of1 storage tank, relovfng the accumu-lated sedfment, and cleaning the tank using a sodfua hypochlorfte solutfon or other appropriate'cleaning

solution, and Perfomfng a pressure test, of those portions of the diesel fuel oil systea designed to Section III, subsection ND of the ASHE Coda, at a test pressure equal to XZG" of the systea design pressure.

Tamer' M~~4:

4. 8. 1. 1. 2 (Continued) 13.

Verifying that all diesel genexator trips, except

)

'ngine overspeed, loss of generator potential transformer circuits, generator differential, and emergency bus differential are automatically bypassed on a simulated or actual loss of offsite I power signal in conjunction with a safety injection signal.

1 hOuE" er u~0'l OP~A<m

~>,~,~14.

Verifying that within 5 minutes of shutting down the EDG, after the EDG has operated for at least at an indicated load of 6200-6400 kw, the EDG starts and accelerates to 6900 g 690 volts and 60 a

1.2 hz in 10 seconds or less.

This test shall be conducted in accordance vfth the ILanufacturer s racoaeen" datfons regarding engine preluhe and warmup procedures, and as applicable regarding loading recomnendatfons.

SHEARON HARRIS - UNIT 1

ELECTRICAL POWER S

MS A.C.

SOURCES OPERATING SURVEILLANCE REQUIREMENTS (Continued) 4.8.1.1. 2 (Continued)

The generator shall be manually synchronized to its appropriate emergency

bus, loaded to an indicated 6200-6400 kW, and operate for at least 60 minutes.

The diesel generator shall be started for this test by using one of the following signals on a rotating basis:

1.

Simulated loss of offsite power by itself, and 2.

A Safety Injection test signal by itself.

This test, ifit is performed so that it coincides with the testing required by Surveillance Requirement 4.8.1. 1.2.a.4, may also serve to concurrently meet those requirements as well.

At least once per 18 months during shutdown by:

DELETED Verifying that, on rejection of' load of greater than or equal to 1078 kW, the voltage and frequency are maintained with 6900 + 690 volts and 60 + 6.75 Hz, with frequency stabilizing to 60 + 1.2 Hz within 10 seconds without any safety-related load tripping out or operating in a degraded condition.

3.

Verifying that the load sequencing timer is OPERABLE with the interval between each load block within 10K of its design interval.

4.

Simulating a loss of offsite power by itself, and:

" This band is meant as guidance to avoid routine overloading of'he engine.

Loads in excess of this band for special testing or momentary variations due to changing bus loads shall not invalidate the test.

SHEARON HARRIS - UNIT 1 3/4 8-6 Amendment No.

ELECTRICAL POWER S MS A.C.

SOURCES r

OPERATING SURVEILLANCE REQUIREMENTS (Continued) 4

~ 8.1.1. 2 (Continued) a)

b)

Verifying de-energization of the emergency buses and load shedding from the emergency buses'erifying the diesel starts" on the auto-start signal. energizing the emergency buses with permanently connected loads in less than or equal to 10 seconds, energizing the auto-connected shutdown loads through the load sequencer, and operating for greater than or equal to 5 minutes while its generator is loaded with the emergency loads.

After energization of these

loads, the steady-state voltage and frequency shall be maintained at 6900 + 690 volts and 60 + 1.2 Hz.

5.

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

Simulating a loss of of)site power in conjunction with a safety injection test signal, and a)

Verifying de-energization of the emergency buses and load shedding from the emergency buses.

b)

Verifying the diesel starts on the auto-start signal, energizing the emergency buses with permanently connected loads in less than or equal to 10 seconds, energizing the auto-connected emergency (accident) loads through the sequencing

timers, and operating f'r greater than or equal to 5 minutes and maintaining the steady-state voltage and frequency at 6900 + 690 volts and 60 + 1.2 Hz.

c)

OELETEO

• ~This test shall be conducted in accordance with the manufacturer's recommendations regarding engine prelube and warmup procedures, and as applicable regarding loading recommendations.

SHEARON HARRIS - UNIT 1 3/4 8-7 Amendment No.

ELECTRICAL POWER S

MS A.C.

SOURCES OPERATING SURVEILLANCE REQUIREMENTS (Continued) 4.8.1.1. 2 (Continued) 7.

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 />.

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 to 6800-7000 kW" and. during the remaining 22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> of this test, the diesel generator shall be loaded to an indicated 6200-6400 kW" 8.

DELETED 9.

Verifying the diesel generator's capability to:

a) b)

c)

Synchronize with the offsite power source while the generator is loaded with its emergency loads upon a

simulated restoration of of'fsite power, Transfer its loads to the offsite power source, and Proceed through its shutdown sequence.

10.

DELETED 11.

Verifying the generator capability to reject a load of between 6200 and 6400 kW without tripping.

The generator voltage shall not exceed 110K of the generator voltage at the start of the test during and following the load rejection:

12.

Verifying that, with the diesel generator operating in a test mode and 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 energizing the emergency loads with offsite power.

• ~This test shall be conducted in accordance with the manufacturer's recommendations regarding engine prelube and warmup procedures, and as applicable regarding loading recommendations.

• • • This band is meant as guidance to avoid routine overloading of the engine.

Loads in excess of this band for special testing or momentary variations

~

due to changing bus loads shall not invalidate the test.

SHEARON HARRIS - UNIT1'/4 8-8 Amendment No.

I'q

. 'LECTRICAL POWER S S

A.C.

SOURCES OPERATING SURVEILLANCE REQUIREMENTS (Continued) 4.8.1.1. 2 (Continued) 13.

Verifying that all diesel generator trips, except engine overspeed, loss of generator potential transformer circuits, generator differential, and emergency bus differential are automatically bypassed on a simulated or actual loss of offsite power signal in conjunction with a safety injection signal.

14.

Verifying that within 5 minutes of shutting down the

EDG, after the EDG has operated for at least 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> or until operating temperature has stabilized, at an indicated load of 6200-6400 kw, the EDG starts and accelerates to 6900 + 690 volts and 60 + 1.2 hz in 10 seconds or less'.

At least once per 10 years or after any modifications which could affect diesel generator interdependence by starting" both diesel generators simultaneously, during shutdown.

and verifying that both diesel generators accelerate to at least 450 rpm in less than or equal to 10 seconds.

h.

At least once per 10 years by:

1)

Draining each main fuel oil storage tank, removing the accumulated

sediment, and cleaning the tank using a sodium hypochlorite solution or other appropriate cleaning

solution, and 2)

Performing a pressure test, of those portions of the diesel fuel oil system designed to Section III, subsection ND of the ASME Code, at a test pressure equal to 110K of the system design pressure.

• ~This test shall be conducted in accordance with the manufacturer's recommendations regarding engine prelube and warmup procedures, and as applicable regarding loading recommendations.

SHEARON HARRIS - UNIT 1 3/4 8-9 Amendment No.