ML20043A568

Amend 43 to License NPF-47,modifying Tech Spec Requirement to Perform Simulated Loss of Offsite Power Test of Diesel Generators within 5 Minutes of Performing 24 H Run

ML20043A568
Person / Time
Site:	River Bend
Issue date:	05/11/1990
From:	Hebdon F Office of Nuclear Reactor Regulation
To:
Shared Package
ML20043A569	List: ML20043A568 ML20043A570
References
NUDOCS 9005220254
Download: ML20043A568 (10)

Text

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?N f4 UNITED STATES '

7 g-NUCLEAR'HEGULATORY COMMISSION

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WASHINGTON, D. C. 205551 s

5 GULF STATES' UTILITIES COR ANY

DOCKET-NO. 50'-458 RIVER BEND STATION, UNIT'1 1

AMENDMENT TO' FACILITY OPERATING LICENSE-:

Amendment No.43-u l

License No 'NPF-47; i

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Thel Nuclear. Regulatory Comission -(the Comission) 'has: found: that'.

J A.

The application for etmendment:by. Gulf States Utilities Company j

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-(the licensee) dated February 2, '1990,- complies' with the; standards -

L and requirements of the Atomic Energy:Act:of 1954, asiamended (the; Act),' and the Comission's' rules and regulations _ set forth:in 10 CFR 3 Chapter I, p-3

-- B.

The facility will operate in c'onformity with the'. application,Las; amended, the: provisions.'of the Act, and:th'e rules and regulations.

of the Commission;.

l C.

There is reasonable assurance:

(1)Lthattheactivitiesauthorized:

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by this amendment can be conducted without endangering'the health ~

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and safety 'of the' public, and'(11)l that such activities' will-be~-

conducted in compliance with the Commission's regulations;.

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D.

The issuance of this license amendment!will'not be inimical to the common defense and security or'.to the_ health and safety of the public;-

and E.

The issuance of this amendment is in accordanceiwith 10 CFR Part 51 of the Commission's regulations and-a11 applicable requirements have been satisfied.

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(9 90032202G4 900511 PDR ADOCK 05000458 1

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Accordingly,'.the licenseL is anended by changes to the Technical Specifications as indicated in-the-attachment to this license amendment r

and Paragraph 2.C.(2) of Facility Operating License'~ No. NPF-47 is hereby -

amended to read as follows:-

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'(2)'TechnicalSpecificationsandEnvironmentalProtectionPlan' i

The Technical Specifications contained in Appendix A, as' revised through:

' Amendment'No. 43 and the EnvironmentalLProtection Plan contained in' Appendix.B,;

are hereby. incorporated in the license. _GSU shall~ operate the facility.in j

accordance withLthe Technical Specifications and the Environmental Protection

Plan, d

.3.

The license amendment'is; effective:as of its date::ofJissuancei FOR THE NUCLEAR REGULATORY COMMISSION' i

.fie-Frederick J.!Heb on, Director Project Directorate IV Division of: Reactor;Projectsf-III,1 IV, V.and Special Projects L

Office of Nuclear Reactor Regulation-l

Attachment:

Changes to the Technical

~

i Specifications Date of Issuance: 'May 11, 1990 1

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ATTACHMENT -TO LICENSE AMENDMENT N0. 43' FACILITY OPERATING LICENSE NO. NPF.

DOCKET NO. 50-458

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' Replace the following-page of the Appendix."A" Technibal. Specifications with l

the enclosed page. The revised page is identified by Amendment number and

.i contains:a verticalfline indicating.the area.of change.- The overleaf paget is provided to maintain document completeness.

REMOVE PAGES

INSERT PAGES:

I 3/4 8-6

-3/4l8-6 i

3/4.8-7-'

'3/4 8-7

~i 3/4.8-8

,3/4 8-8:

3/4 8-9 3/4'8.i 1.

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% e Etic't!CA. I:WER SYS7 EMS SURVE!LLAs;E REQUIREMENTS (Continued) 6.

Verifying the diesel generator is aligned to provide standby power to the associated emergency busses.

7.

Verifying the pressure in all diesel generator air start receivers to be greater than or equal to 160 psig.

b.

At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying for diesel generator 1A and IB that the lube oil circulating pump is operating and that the lobe oil sump heater and the jacket water heater are OPERABLE.

c.

By removing accumulated water:

1.

From the day tank at least once per 31 days and after each occasion when the diesel is operated for greater than I hour, and 2.

From the storage tank at least once.per 31 days, d.

By sampling new fuel oil in accordance with ASTM 04057-81 prior to addition to the storage tanks and:

1.

By verifying in accordance with the tests specified in ASTM 0975-81, prior to addition to the storage tanks, that the sample has:

a)

An API Gravity of within 0.3 degrees at 60'F or a specific gravity of within 0.0016 at 60/60'F, when compared to the supplier's certificate, or an absolute specific gravity at 60/60*F of greater than or equal to 0.83 but less than or equal to 0.89, or an API gravity at 60'F of greater than or equal to 27 degrees but less than or equal to 39 degrees.

b)

A kinematic viscosity at 40*C of greater than or equal to 1.9 centistokes, but less than or equal to 4.1 centistokes, if gravity was not determined by comparison with the supplier's certification, c)

A flash point equal to or greater than 125'F, and d)

A clear and bright appearance with proper color when tested in accordance with ASTM 041~/6-82.

2.

By verifying an antioxidant type diesel fuel oil stabilizer is added to new fuel added to the storage tanks in accordance with manufacturer's recommendations.

RIVER BEND - UNIT 1 3/4 8-5 l

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, ELECTRICAL POWER SYSTEMS SURVEILLANCE-REQUIREMEN15 (Continued 1-3.

-By verifying within131' days of-obtaining the sampleitNat the k Lother properties ~specified in Table 1 of ASTM D975-81 are met when; tested in accordance with ASTM D975-81 except that the analysis for sulfur may be performed in'accordance with ASTM D1552-79 or ASTM D2622-82.

At'least once every-31' days by. obtaining a sample of fuel ' oil' from e.

the. storage-tanks in.accordance with ASTM D2276-78 and verifying-

- that totaliparticulate contamination is less than 10 mg/ liter when checked in accordance with ASTM.D2276-78,. Method A'.

f..

At-least once per.18 months #****, during shutdown,~by:

1.

Subjecting _the diesel to an inspection in accordance with procedures prepared in conjunction:with its manufacturer's recommendations for.this class of standby service.

2.

Verifying the diesel generator capability to reject a loadLof

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greater than or_ equal to-917.5 kw for diesel; generator;1A,-

greater thanfor equallto 509.2.kw for diesel generator IB, and; greater than or equal to-1995 kw for diesel generator-10 while-maintaining engine speed-less;than nominal plus175% of.the dif '

ference between nominal speed and:the overspeed trip setpoint or 15% above_ nominal, whichever11s less'..

3.

Verifying the diesel generator capability toieject a load of

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3030-3130 kw*** for diesel-generators.1A and 11B ' and; 2500-2600: kw***

for diesel generator IC-without. tripping.

The generator voltage shall not exceed 47841 volts for diesel generator 1A and IB and-5400 volts for diesel generator IC'during and~following'the load-rejection.

4.

Simulating a loss of.offsite power by _itself, and:

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a).

For divisions'I'and Ili 1)

Verifying deenergization of the emergency busses and load. shedding from the emergency busses.

1. For any start of a-diesel, the_ diesel must be operated with a load in' accordance with the manufacturer's recommendations.

• • • Momentary transients due to changing bus loads shall not invalidate the.

test.

• • • • Except 4.8.1.1.2;f.1 to be performed every refueling outage, for diesel generators IA and IB only.

RIVER BEND - UNIT 1 3/4 8-6 Amendment No. 5, 9,43 r

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ELECTRICAL POWER SYSTEMSL

' SURVEILLANCE REQUIREMENTS (Continued)-

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'2). _ Verifying the diesel generator starts ** on the' auto-start 1 signal, energizes!the emergency busses ~with permanently; connected loads 1within 10 seconds,! energizes the auto-z a

connected. loadsithrough= the sequencing logic, and oper-1 t

ates: for greater than-or equal; tn.5 minutes while ~its:

generator isiloaded with the' loads.;.After energization, i;

'the steady-state' voltage;andLfrequency ofLthe emergency, busses ~shall.be maintained at 4160.t 420' volts'and 60 L

• 1.2 Hz during this test.L q

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.b)

For division III:: '

1)

Verifying de-energization of.the emergency bus.

2)' Verifying the diesel generator. starts

• on#the. auto-start r

. signal, energizes the emergency busLwith the permanently j

connectedsloads within 10. seconds, energizes the) auto-

.L connected loads through the_ sequence logic, and oper--

ates for greater than or equal to.5 minutes while its l

generator is loaded with the loads.< After energiza-:

Ltion,_~the steady-state voltage and frequency.of the I

emergency bus.shall be. maintained at'.4160.1 420 volts:

and 60

• 1.2 Hz during this test.

c)

Operating ** with the diesel generator lo~aded toL3000-31001 l

kW*** for diesel generators lA and;18 :and 2500-2600'kW***

for diesel' generator.IC for atJ1 east.60' minutes'or until-i-

l operating temperayures haveistabilizea. 1With.5. minutes-i l

-after completing this' test, perform Surveillance:

E Requirement 4;8.1.1.2.f,4.a)2) and b)2).;

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Verifying that, Eon an ECCS actuation' test' signal without. loss' l

of offsite power, the-diesel generator starts' on the~ auto-start' signal and operates on standby ~ for greater than or equal to.

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i 5 minutes.. For diesel-generator 1A and~IB,_the. generator volt-age and frequency shall be 4160 t 420 volts:and 60 t 1.2 Hz1

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i within 10 seconds after the auto-start signal, For diesel l

generator IC, the generator voltage and-frequency shal1Jnot exceed a maximum of 5400 volts:and 66.75 Hz and shallibe greater q

i than 3740 volts and 58.8'Hz within 10 secondstand 4160 t 420. volts and 60 i 1.2 Hz within:13 seconds..The steady-state' generator.

voltage and= frequency'shall be maintained within these limits during this test.

-6.

Simulating a loss of offsite power in conjunction with an ECCS l

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-actuation test signal and:

a)

For divisions I and:II:

1)

Verifying deenergization of the emergency busses and load shedding from the emergency busses.-

• • A111 diesel generator starts for the purpose of this surveillance test may be preceded by an engine prelube period.. Further, all surveillance tests, with' the exception of once per'184 days, may also be preceded by warmup procedures and may also include gradual loading (> 150 sec).as recommended by the manu-facturer so that the mechanical stress and wear on the diesel engine is minimized.

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• • • Momentary transients due to changing bus loads shall not invalidate the

' 4 test.

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RIVER BEND - UNIT I 3/4 8-7 Amendment No. 9,43 i

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_ElL ECT RIC AL' POWER, SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)E

.2)

. Verifying 'thef diesel l generator starts ** on the auto-start signal,. energizes;thelemergency busses ~with permanently-connected loads within.101 seconds, ener-

_gizesithe auto-connected loads through-the sequencing-

logic, and operates for greater than or equal-to 5 minutes.while its generator is. loaded with the

. emergency loads; 1

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• • A111 diesel generator starts for the purpose of this-surveillance test may be preceded by an engine 'prelube period.

Further,'all. surveillance tests with the exception of once per 184 days, may also be preceded by warmup proc,edures and may also include gradual loading (> 150 sec) as recommended by.the.manu-facturer so.that the mechanical stress and wear on the diesel engine is minimized.

RIVER BEND - UNIT 1 3/4 8 7a Amendment.No. 9 l

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s.9 ELECTRICAL' POWER SYSTEMS SURVEILLANCE-REQUIREMENTS (Continued)

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a l-After energization, the steady-state voltage:and R

frequency of the. emergency b'usses shallsbe maintained L,

at 4160 t 420 volts'and 60 1.1.2'Hziduring this test.-

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b)

For division III:(

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-1)l ' Verifying de-energization of the' emergency bus.

2). Verifying the diesel generator. starts **. on the auto-

-start tignal, energizes the emergency bus-.with its permanently, connected loads within 10 seconds, ener-

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gizes the auto-connected loads,through the sequencing-t-

logic,cand operates for-greater than'or. equal to 5 minutes whilefits generator.is loaded-with~the emergency ~ loads.< After energization. the steady->

-state voltage and frequency of the' emergency. bus shall be maintained ~at 4160 1 420 volts and 60 i 1.2 Hz-during this-test, a

. 7.

Verifying that.. upon 'an ECCS actuation signal.: alli automatic ~.

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diesel generator. trips are' automatically bypassed except engine' 3

overspend and generator differential current..

8.

' Verifying the1 diesel generator. operates-for! at least.24= hours.:

Diesel generators 1A:and 1B shall-beEloaded:to' 3030-3130 kw***-

a for the duration of the test; Diesel generator'1Cashall;be' loaded to.2750-2850 kw*** for the first'2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of the test and to 2500-2600 kw*** for the remaining 22 hours2.546296e-4 days <br />0.00611 hours <br />3.637566e-5 weeks <br />8.371e-6 months <br /> of theltestE For i

diesel generator 1Aland:1B, the generator voltage andsfrequency-J shall be:4160 i 420 volts 'and 60

• 1.2 Hz withinl10' seconds after the start signal.

For diesel generator 10,.the-generator voltage and frequency shall not exceed:a maximum-of:5400 volts and 66' 75 Hz-and shall be. greater than-3740; volts and 58.8 Hz within.

10. seconds and 4160'i 420' volts.and 60 1: 1.2 Hz within 13-seconds.

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The steady-state generator: voltage'and frequency.shall be-main-tained within these limits during this test.'

9.

Verifying that the auto-connected loads to:each diesel generator do not exceed 3130 kw for diesel generator 1A and IB and 2600 kw-for diesel generator 10.-

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• • All diesel generator starts for the purpose.of this surveillance test may be preceded by an engine prelube period.

Further, all surveillance' tests, with:

i the-exception of'once per.184 days, may also be preceded by warmup procedures and may also include gradual loading (>'150 sec) as recommended by the manufac--

.turer so that the mechanical stress and wear on the diesel engine is-minimized.

• • • Momentary transients due to changing bus loads shall not invalidate the: test.

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RIVER BEND - UNIT 1 3/4 8-8 Amendment No. 9,43' s:

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,w ELECTRICAL POWER SYSTEMS'

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' SURVEILLANCE REQUIREMENTS (Continued)

10. -Verifying the diesel generator's capability to:

l a):

Synchronize with the offsite power source, while the gener-ator.is loaded with its: emergency loads, upon~a simulated-restoration of offsite power,

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Transfer its-loads to the offsite' power source, and A

c)

Be restored to its standby sta'tus.

' 11.

Verifying that, with the diesel generator' operating in a-test

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mode and connected to its bus,;a simulated ECCS actuation signal I

overrides the test mode by- (1) returning the diesel generator i

to standby operation and-(2) automatically energizing the emer-

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.gency loads with offsite power.

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12. -Verifying that the automatic load sequence timers are OPERABLE:

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j with thexinterval between each load block within i 10% of its

. design interval for diesel generators 1A,- 1 Bland 10.

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13.

Verifying that the following diesel generator'lo'ckout features /

prevent diesel, generator starting only wh_en-required::

l a)

For Diesel Generators IA and IB:'

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Loss of control-power to diesel control panel.-

2).

Starting air pressure'below 150 psi.:

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3)

Stop-solenoid energized.

-1 4)

Diesel in the maintenance mode l(includes'barring device:

1 engaged).

1 5)

Overspeed trip device; actuated.

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Gent.rator backup protection lockout relay tripped.-

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b)

For Diesel Generator IC:

1)

Diesel generator lockout relays not re' set.

2)

Diese) engine mode switch not in:"AUT0" position.

3)

' Diesel generator output breaker: closed before. start of-diesel. ~

a" 4)

' Diesel generator output breaker in racked-out' position.

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5) tDiesel generator regulator mode switch not in "AUT0"

-position.

R 6)

Insufficient starting air pressure.,

7)

Loss of de power to diesel generator controls.

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By verifying the Division-III diesel l generator ambient room temperature to be 1 40 F.

I 1.

At least once per 14 hours1.62037e-4 days <br />0.00389 hours <br />2.314815e-5 weeks <br />5.327e-6 months <br /> with the last : reported room temperature-l t 50'F, or i

s tItem 5) does not electrically. block diesel generator from emergency starting,;

i however, it will affect the' loading and operation.of the diesel.

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RIVER BEND - UNIT 1 3/4 8-9 Amendment No. 9,43 l

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ELECTRICAL POWER SYSTEMS.

SURVEILLANCE REQUIREMENTS'(Continued) j

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At 1 east once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> with theLlast' reported room temperature'

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< 50*F..

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At least once per'10iyears :or.after any modifications ~which couldi N

affect diesel generator interdependence, by starting all three-diesel-generators simultaneously, during shutdown, and' verifying that alli

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three diesel generators accelerate to at least 450 rpm for diesel

- generators 1A and 18 and 900.rps for diesel generator 1C in -less-i than'or equal to 10 seconds.'

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At least once per.10' years by:?

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Draining each fuel oil storage tank', r4 moving the accumulatedt sediment, and cleaning the-tank using-a sodium hypochlorite or 1

equivalent solution,=and 2.

-Performing a pressure test of those portions of theLdiesel: fuel-

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oil system designed to Section.III, subsection ND of the ASME i

Code, in accordance with ASME; Code'Section XI Articlei!WD-5000,-

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4. 8.1.1. 3 -Reports - All diesel generator failures, valid or non valid, shall j

a be reported to the Commission, pursuant ~to. Specification 6.9.2,?within.30 days.-

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Reports: of diesel generator fanilures shall.. include the information~ recommended.

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in Regulatory Position C.3.b of Regulatory. Guide 1.108 Revision 1,* August 1977.

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If the ' number of failures' in the.last'100 valid. tests.on a per nuclear.. unit;.

basis, is greater than or equal. to-7,~ the report"shall be supplemented.to -include.

the additional informatior, recommended in Regulatory Position C;3.b of Regulatory il Guide '1.108, Revision:1, August 1977.

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