Text

Proposed Tech Spec 3.8.1.1, Electrical Power Sys,Ac Sources - Operating
	ML20205J859
Person / Time
Site:	Waterford
Issue date:	03/26/1987
From:	; LOUISIANA POWER & LIGHT CO.
To:	;
Shared Package
ML20205J830	List: ML20205J859; W3P87-0950, Application for Amend to License NPF-38,consisting of Tech Spec Change Request NPF-38-59,revising Action Statements & Surveillance Requirements of Tech Spec 3.8.1.1, Electrical Power Sys,Ac Sources - Operating. Fee Paid;
References
	NUDOCS 8704010439
	Download: ML20205J859 (17)
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l-3/4.8 ELECTRICAL POWER SYSTEMS 3/4.8.1 A.C. SOURCES OPERATING LIMITING CONDITION FOR OPERATION

3. 8.1.1 As a minimum, the following A.C. electrical power sources shall be OPERA 8LE:

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

b. Two separate and independent diesel generators, each with:

1. Diesel oil feed tanks containing a minimum volume of 337 gallons of fuel, and

2. A separate diesel generator fuel oil storage tank containing a minimum volume of 38,760 gallons of fuel, and

3. A separate fuel transfer pump. {

APPLICA8ILITY: MODES 1, 2, 3, and 4.

ACTION:

a. With either an offsite circuit or diesel generator of the above required A.C. electrical power sources inoperable, demonstrate the j OPERA 8ILITY of the remaining A.C. sources by performing Surveillance {

Requirements 4.8.1.1.la. and 4.8.1.1.2a.4. 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; restore at'least two offsite circuits and two diesel generators to OPERA 8LE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months or be in at least HOT STAN08Y 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 .

b. With one offsite circuit and one diesel generator of the above required A.C. electrical power sources inoperable, demonstrate the OPERA 81LITY of the remaining A.C. sources by performing Surveillance Requirements 4.8.1.1.la. and 4.8.1.1.2a.4. within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and at i least once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereafter; restore at least one of the inoperable sources to OPERA 8LE status within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months or be in at least HOT STAN08Y 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 . Restore at least two offsite circuits and two diesel generators to OPERA 8LE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months from the time of initial loss or be in at least HOT STAN08Y within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUT 00WN within the following 30-hours.

c. With one diesel generator inoperable, in addition to ACTION a. or b.

above, verify that:

(1) All required systems, subsystems, trains, components, and devices that depend on the remaining OPERA 8LE diesel generator as a source of emergency power are also OPERA 8LE, and (2) When in M00E 1, 2, or 3, the steam-driven emergency feed pump is OPERABLE.

If these conditions are not satisfied within 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months be in at least HOT STAN08Y 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 . l WATERFORD - UNIT 3 3/4 8-1 8704010439 870326 i PDH ADOCK 05000382 P PDR

______-____-___--__n

ELECTRICAL POWER SYSTEMS ACTION (Continued)

d. With two of the above required offsite A.C. circuits inoperable, demonstrate the OPERABILITY of two diesel generators by performing Surveillance Requirement 4.8.1.1.2a.4. 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, unless the diesel generators are already operating; restore at least one of the inoperable offsite sources to OPERA 8LE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 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 . With only one offsite source restored, restore at least two offsite circuits to OPERABLE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months from time of initial loss or be in at least HOT STANOBY 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 .

i'

e. With two of the above required diesel generators inoperable,

! demonstrate the OPERA 8ILITY of two offsite A.C. circuits by performing Surveillance Requirement 4.8.1.1.la. within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and t

at least once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereafter; restore at least one of the inoperable diesel generators to OPERABLE status within 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 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 . Restore at least two diesel generators to OPERABLE status within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months from time of initial loss or be in at least liOT STANOBY 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 .

SURVEILLANCE REQUIREMENTS 4.8.1.1.1 Each of the above required independent circuits between the offsite transmission network and the onsite Class IE distribution system shall be:

a. Determined OPERABLE at least once per 7 days by verifying correct breaker alignments, indicated power availablity, 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 Each diesel generator shall be demonstrated OPERA 8LE:

a. In accordance with the frequency specified in Table 4.8-1 on a STAGGERED TEST BASIS by:

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

2. Verifying the fuel level in the diesel generator fuel oil storage tank,

3. Verifying t*e fuel transfer pump can be started and transfers fuel from tv. storage system to the diesel oil feed tank, WATERFORD - UNIT 3 3/4 8-2

ELECTRICAL POWER SYSTEM

SURVEILLANCE REQUIREMENTS (Continued)

4. Verifying the diesel starts from ambient condition and accelerates

. to at least 600 rpm.(6011.2 Hz) in less than or equal to 10 seconds.*

t The generator voltage and frequency shall-be 4160 1 420 volts and 60 i 1.2 Hz within 10 seconds

after the start signal. The diesel generator shall be started for this test by using one of the following signals:

a) Manual.

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

c) Simulated loss-of-offsite power in conjunction with an ESF actuation test signal.

d) An ESF actuation test signal by itself.

5. Verifying the generator is synchronized, loaded to greater than or equal to 4400 kW in less than or equal to 176 seconds," and I operates with a load greater than or equal to 4400 kW for at l 1 east an additional 60 minutes, and i

l 6. Verifying the diesel generator is aligned to provide standby power to the associated emergency busses.

l b. At least once per 31 days and after each operation of the diesel i / where the period of operation was greater than or equal to 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months by ii 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:

j. 1. As soon as sample is taken (or prior to adding new fuel to the LtorJqe tank) verify in accordance with the test specified in l ASTM-D975-77 that the sample has:

I a) A water and sediment content of less or equal to 0.05 volume percent, b) A kinematic viscosity 9 40*C of greater than or equal to 1.9 centistokes, but less than or equal to 4.1 centistokes, c') A specific gravity as specified by the manufacturer 9 60/60*F of greater than or equal to 0.80 but less than or equal to 0.99 or an API gravity 9 60*F of greater than or '

! equal to 11 degrees but less than or equal to 47 degrees.

! *The diesel generator start (10 sec) and subsequent loading (176 sec) from

) ambient conditions shall be performed at least once per 184 days in these surveillance tests. All other engine starts and loading for the purpose of this surveillance testing may be preceded by an engine prelube period and/or i other warmup procedures recommended by the manufacturer so that mechanical stress and wear on the diesel engine is minimized.

WATERFORD - UNIT 3 3/4 8-3 i -__, - - _ . - - _ - , _ - . - - - . . _ _ - - - . - . _ - -. . _ - _ _ _ . - _ - - . _ . -

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

2. Verify an impurity level of less than 2 mg of insolubles per 100 m1 when tested in accordance with ASTM-D2274-70; analysis shall be completed within 7 days after obtaining the sample but may be performed after the addition of new fuel oil; and

3. Verify the other properties specified in Table 1 of ASTM-0975-1977 and Regulatory Guide 1.137, Revision 1, October 1979, Position 2.a., when tested in accordance with ASTM-0975-1977; analysis shall be completed within 14 days after obtaining the sample but may be performed after the addition of new fuel oil. l

d. At least once per 18 months during shutdown by:

1. Verifying the generator capability to reject a load of greater than or equal to 498 kW (HPSI pump) while maintaining voltage at

, , 4160 + 420 volts and frequency at 60 +4.5, -1.2 Hz.

2. Verifying the generator capability to reject a load of 4400 kW without tripping. The generator voltage shall not exceed 4784 volts during and following the load rejection. i

3. !

Simulating a loss-of-offsite power by itself, and:

a) Verifying deenergization of the emergency busses and load ;

shedding from the emergency busses.

b) Verifying the diesel starts on the auto-start signal, energizes the emergency busses with permanently connected loads within 10 seconds after the auto start signal, energizes the auto-connected shutdown loads through the load sequencer and operates for greater than or equal to 5 minutes while its generator is loaded with the shutdown loads. After energization, the steady-state voltage and frequency of the emergency busses shall be maintained at 4160 i 420 volts and 60 + 1.2, -0.3 Hz during this test.

4. Verifying that on an SIAS actuation 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 steady-state generator voltage and frequency ,

shall be 4160

420 volts and 60 i 1.2 Hz within 10 seconds after the auto-start signal; the generator voltage and frequency shall be maintained within these limits during this testc

5. Simulating a loss-of-offsite power in conjunction with an SIAS actuation test signal, and a) Verifying deenergization of the emergency busses and load shedding from the emergency busses.

WATERFORD - UNIT 3 3/4 8-4 AMENDMENT NO. 4

4 i

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 4 b) Verifying the diesel starts on the auto-start signal, en-

) ;

ergizes the emergency busses with permanently connected i

loads within 10 seconds after the auto-start signal, ener-

gizes the auto connected emergency loads through the load sequencer and operates for greater than or equal to 5 min-i utes. After energization, the steady-state voltage and frequency of the emergency busses shall be maintained at t

4160 t 420 volts and 60 + 1.2, -0.3 Hz during this test.

c) Verifying that all automatic diesel generator trips, ex-

! capt engine overspeed and generator differential, are I automatically bypassed upon loss of voltage on the emer-gency bus concurrent with a safety injection actuation signal.

6. 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 test, the diesel generator j shall. be loaded to greater than or equal to 4840 kW and during i

the remaining 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 greater than or equal to 4400 kW. The generator voltage and freqency shall be 4160 1 420 volts and 60 t 1.2 Hz within 10 seconds after the start signal; the steady-state generator voltage and frequency shall be 4160 t 420 volts and t

j ' 60 + 1.2, -0.3 Hz during this test. Within 5 minutes after completing this 24-hour test, perform Surveillance

]i Requirement 4.8.1.1.2.d.4b.

! 7.

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

f

8. Verifying the diesel generator's capability to

I a) Synchronize with the offsite power source while the generator is loaded with its emergency loads upon a simulated restora-l tion of offsite power, b) Transfer its loads to the offsite power source, and.

! c) 8e restored to its standby status.

1

. 9. Verifying that with the diesel generator operating in a test l

i mode (connected to its bus), a simulated safety injection signal overrides the test mode by (1) returning the diesel i generator to standby operation and (2) automatically energizes the emergency loads with offsite power.

1

) 10. Verifying that the fuel transfer pump transfers fuel from each fuel storage tank to the diesel oil feed tank of each diesel i

via the installed cross connection lines.

! WATERFORD - UNIT 3 3/4 8-5 AMENDIENT NO. 4 l

ELECTRICAL POWER SYSTEMS l SURVEILLANCE REQUIREMENTS (Continued)

I

! 11. Verifying that the automatic load sequence timer is OPERA 8LE

! with the time of each load block within +10% of the sequenced I load block time.

i

12. Verifying that the following diesel generator lockout features

, prevent diesel generator starting only when required: ,

! a) turning gear engaged j b) emergency stop

{' c) loss of D.C.. control power d) governor fuel oil linkage tripped

) e. At the first refueling outage, and thereafter, at intervals not to ex-coed 24 months, subject the diesels to an inspection in accordance j with procedures prepared in conjunction with its manufacturer's recom-j mendations for this class of standby service.

i f. At least once per 10 years or after any modifications which could

affect diesel generator interdependence by starting the diesel generators simultaneously, during shutdown, and verifying that the

diesel generators accelerate to at least 600 rps (60 i 1.2 Hz) in j less than or equal to 10 seconds.

\ '

j g. At least once per 10 years by:

1 l 1. Draining each diesel generator fuel oil storage tank, removing j .

the accumulated sediment, and cleaning the tank using a sodium j hypochlorite solution or equivalent, and

! 2. Performing a pressure test of those portions of the diesel fuel i oil system designed to Section III, subsection NO of the ASME Code at a test pressure equal to 110% of the system design

! pressure.

I

{ h. By performing a visual inspection of the interior of the diesel i

generator fuel oil storage tanks each time the tank is drained and, if necessary, clean the tank with a sodium hypochlorite solution, or equivalent.

1 4.8.1.1.3 Roports - All diesel generator failures, valid or nonvalid, shall

! be reported <n a Special Report to the Commission pursuant to Specification

] 6.9.2 within 30 days. Reports of diesel generator failures shall include the

information recommended in Regulatory Position C.3.b of Regulatory Guide 1.108, l Revision 1, August 1977. 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 information recommended in Regulatory

! Position C.3.b of Regulatory Guide 1.108, Revision 1, August 1977, i

l WATERFORD - UNIT 3 3/4 8-6 AMENDMENT NO. 4 i

l l

TABLE 4.8-1 l l

DIESEL GENERATOR TEST SCHEDULE 4

NUMBER OF FAILURES IN LAST 100 VALID TESTS.* TEST FREQUENCY

$1 At least once per 31 days 2 At least once per 14 days 3 At least once per 7 days

>4 At least once per 3 days

" Criteria for determining number of failures and number of valid tests shall be in accordance with Regulatory Position C.2.e of Regulatory Guide 1.108, Revision 1, August 1977, where the last 100 tests are determined on a per nuclear unit basis. For the purposes of this test schedule, only valid tests conducted after the Operating License issuance date shall be included in the computation of the "last 100 valid tests". Entry into this test schedule shall be made at the 31 day test frequency.

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WATERFORD - UNIT 3 3/4 8-7

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3/4.8 ELECTRICAL POWER SYSTEMS 3/4.8.1 A.C. SOURCES OPERATING

. LIMITING CONDITION FOR OPERATION

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 1E distribution system, and

b. Two separate and independent diesel generators, each with:

1.

Diesel oil feed tanks containing a minimum volume of 337 gallons of fuel, and

2. A separate diesel generator fuel oil storage tank containing a minimum volume of 38,760 gallons of fuel, and

3. A separate fuel transfer pump.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTION:

a. With either an offsite circuit or diesel reg red A.f# electrical nerator or the above wer source noperable, d hgg7 OP RABIL ( of the r ning A.C. rces by per nstrate sing Sur e

lance g equir er,ts 4.8. . .la, and 4. .1.2a.4. wi n I hour d at leas once per hours there er; restore least two ffsite ci uits an wo diesel rators to OP 8LE status ithin 7 hours8.101852e-5 days 0.00194 hours 1.157407e-5 weeks 2.6635e-6 months o be in least HOT NOBY within t next 6 ho s and

)

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

/.O ' With one offsitejcircuit and one diesel generator of the above offsfe required A.C. electrical power sources inoperable, demonstrate the A. f _. c/r g OPERABILITY of the remaining ^. 9 :: r::: by performing Surveillance Requirement / 4.8.1.1.la. = d '.".1.1. h.'. 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 thereafterw Restore at least one of the I/95Eg7 inoperable sources to OPERA 8LE status within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months or be in at g least HOT STANOBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUT 00WN within and wo thedi followina el gene 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .I Restore at least two offsite ircuits rs to RABLE us wi 72 h fro INS t ti of init loss e in least STANOB ithi e next hours d in COL SHUTO within e follo na 30- urs.

b

/.d With one diesel generator inoperable, in addition to ACTION /.Aor/.6*

above, verify that:

(1) All required systems, subsystems, trains, components, and devices that depend on the remaining OPERABLE diesel generator as a source of emergency power are also OPERA 8LE, and (2) When in MODE 1, 2, or 3, the steam-driven emergency feed pump is OPERA 8LE.

If these conditions are not satisfied within 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months be in at least HOT STAN08Y within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in COLD SHUTOOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

WATERFORO - UNIT 3 3/4 8-1

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 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. If either diesel generator 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 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 0.00667 hours 3.968254e-5 weeks 9.132e-6 months . Restore the offsite A.C. 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 in 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.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 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. If the diesel generator became inoperable due to any cause other thar preplanned preventive maintenance or testing, demonstrate the OPER ABILITY of the remaining OPERABLE diesel generator by performing Surveillance Require-ment 4.8.1.1.2a.4 within 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 SIANDBY 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 .

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 0.00222 hours 1.322751e-5 weeks 3.044e-6 months (unless it is already operating) .

INSERT C Restore the other A.C. power source (of fsite 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.

ELECTRICAL POWER SYSTEMS ACTION (Continued) 4. 0-

/. With two of the above required offsite A.C. circuits inoperable, l demonstrate the OPERABILITY of two diesel generators by performing !

Surveillance Requirement 4.8.1.1.2a.4. within 1 5: r d :t !:::t

;;r 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months th:r::'ter, unless the diesel generators are alread operating; restore :t ?:::t one of the inoperable offsite ::u : . to OPERABLE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months or be in at least HOT STANOBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months . IWith only one ffsite sour restore rest e at Id564T lea two o site c' cuits to RABLE st s within hour fro

) t' e of i tial ss or be at least T STANDB ithin e hours and COLD S WN withi e follow' o 30 h s.

/. - With two of the above required diesel generators inoperable. l demonstrate the OPERABILITY of two offsite A.C. circuits by performing Surveillance Requirement 4.8.1.1.la, 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; restore et ?:::t one of the l inoperable diesel generators to OPERABLE status within 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 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 SHUT 00WN within the followina 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months . I Restore least t o diese generators N$ EAT to 0 ERABLE atus thin 72 ours fr time o nitial ss or E i t lea HOT NDBY w in th ext 6 h rs and LD 00WN w thin e foi owino ours. '

SURVEILLANCE REQUIREMENTS 4.8.1.1.1 Each of the above required independent circuits between the offsite transmission network and the onsite Class 1E distribution system shall be:

a. Determined OPERABLE at least once per 7 days by verifying correct breaker alignments, indicated power availablity, 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 Each diesel generator shall be demonstrated OPERABLE:

a. In accordance with the frequency specified in Table 4.8-1 on a STAGGERED TEST BASIS by:

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

2. Verifying the fuel level in the diesel generator fuel oil storage tank,

3. Verifying the fuel transfer pump can be started and transfers !

fuel from the storage system to the diesel oil feed tank, l I

WATERFORD - UNIT 3 3/4 8-2 1 1

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.

4 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.

INSERT F, 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. 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 b.

1 i

u I

l I

s ( N l 1 k[, -;

E I r b.

S

) ci ELECTRICAL 10WER SYSTEM 9 '

j SURVEILLANCE REQUIREMENTS -(Continued) .

g

.(

{ f. s r I

4. Verifying the dii$,e1 starts frh.n ambient conditfor'ted accelerates i .

to at least :(0dype (60 i 1.2 Mz) in less than or equal to 10 seconds."

i The generator 4citage and frequency shall be 4I60Lt 420 volts and 60 i 1.2 Hz within 10 seconds

after the start signal. The '

) diesel genetator shall be started for this test by using one of j the following signals: \. . <

[ ,

l a) Manual. '

.,' \ -

l b) Simulated loss of-offsite power by itself. l 4

s

c) Simulated loss-of-offsite power in conjunction with an ESF 'pm

! actuation test signal. , N, j/

j 5.

d) AnESFactuattor,testsignalbyitspif(

Verifying the generator is synchronized,i Ioaded to ,1:r 9 d- E ,

gyg M ) '

r: ;r' t: 4400 kW in less than or equal'to 176 seconds,* and operates with a load

::t:r t.'.: :r 7x' t 4400 k for at least an additional 65 minutes, and Qs:um,W, 4, g 1 6. Verifying the diesel generator,is aligne# to provide standby ;

power to the associated emergency busses- .

b. At least once per 31 days and after'each operation of the diesel where the period of operation was greater 4than or equal to I hour by j checking for and removing accumulated water from the diesal 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 meet.s the following minimum requirements and is tested within the sppcified i time limits:

I !

i 1. As soon as sample is taken (or prior to adding new' fuel to the j storage tank) verify in accordance with the test specified in ASTM-0975-77 that the sample has:

a) A water and sediment' content of less or equal;to 0.05 volume percent, s

) b) Akinematicviscosity040*Cofgreaterthanorchialto I 1

1.9 centistokes, but less than or equal to 4.1 y. coh.tistokes, f c') A specific gravity as sfecified by the manW acturer 9 60/60*F of greater than or egaal to 0.80s but less than or !

equal to 0.99 or an AP,I gravity 4 60'F of greater than or :

equal to 11 degrees but less than or equal to 47 de'rees.

j g si 1 g , w y

The diesel generator start (10 sec) .and subsequent loading'(176 sec) from e I

ambient conditions shall be perforned sat least once per 124 days in these , g' t i surveillance tests. All other engine starts and loading for the purpose of ,

{

< this surveillance testing may be'p*eceded by an engine prelube period and/or other warmup procedures recommended,by the manufacturer so that mechanical (

j stress and wear on the diesel engine is minimized, s, ,

WATERFORD - UNIT 3 3/4 8-3 1

' A\\.

1 '

i . '

4 l

ELECTRICAL POWER SYSTEMS j '

m

, SURVEILLANCE REQUIREMENTS (Continued) !

I i

( 2. Verify an impurity level of less than 2 mg of insolubles per

,' -i :

100 ml when tested in accordance with ASTM-02274-70; analysis '

j j

shall be completed within 7 days after obtaining the sample but ,

,j may be performed after the addition of new fuel oi}; and l TNSW f p- 3. Verify the other properties specified in Table 1 of ASTM-0975-1977 and Regulatory Guide 1.137, Revision 1, October 1979, Position N A 2.a., when tested in accordance with ASTM-0975-1977; analysis shall be completed within 14 days after obtaining the sample but maybeperformedaftertheadditionofnewfueloilj

[ '

d. At least once per 18 months during shutdown by:

' 1. Verifying the generator capability to reject a load of greater than or equal to 498 kW (HPSI pump) while maintaining voltage at l ,. 4160 + 420 volts and frequency at 60 +4.5, -1.2 Hz.

2. Verifying the generator capability to reject a load of 4400 kW without tripping. The generator voltage shall not exceed 4784 volts during and following the load rejection.

3. Simulating a loss-of-offsite power by itself, and:

~

j a) Verifying deenergization of the emergency busses and load shedding from the emergency busses.

i b) Verifying the diesel starts on the auto-start signal, energizes the emergency busses with permanently connected i

loads within 10 seconds after the auto-start signal,

! onergizes the auto-connected shutdown loads through the load sequencer and operates for greater than or equal to i 5 minutes while its generator is loaded with the shutdown

! loads. After energization, the steady-state voltage and i

l frequency of the emergency busses shall be maintained at 1

4160 i 420 volts and 60 + 1.2, -0.3 Hz during this test.

[ '

4. Verifying that on an SIAS actuation 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 steady-state generator voltage and frequency i

I shall be 4160 1 420 volts and 60 2 1.2 Hz within 10 seconds after the auto-start signal; the generator voltage and frequency ;

[ shall be maintained within these limits during this test.'

i Simulating a loss-of-offsite power in conjunction with an SIAS i

l .s S.

a actuation test signal, and

' a) Verifying deenergization of the emergency busses and load l

shedding from the emergency busses.

i j WATERFORD - UNIT 3 3/4 8 4 AMENDMENT NO. 4

_INSERI F Failure to meet this requirement shall not affect diesel generator OPERABILITY; however, corrective action shall be initiated within 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months to return the fuel oil supply to within acceptable limits.

'(

t

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (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 loads through the load sequencer and operates for greater than er cquel to 5 min-utes. After energization, the steady-state voltage and frequency of the emergency busses shall be maintained at 4160 2 420 volts and 60 + 1.2, -0.3 Hz 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 signal.

bus concurrent with a safety injection actuation 6.

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

'm During the first 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months of this test, the diesel generator Je/uten M shall. be loaded to ;;n:t:r,th= tr :;=1 :: 4840 kW and during l odd the remaining 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 greater than or equal to 4400 kW. The generator voltage and freqency shall be 4160 2 420 volts and 60 1 1.2 Hz within 10 seconds after the start signal; the steady-state generator voltage and frequency shall be 4160

420 volts and

60 + 1.2, -0.3 Hz during this test. Within 5 minutes after completing this 24-hour test, perform Surveillance Requirement 4.8.1.1.2.d.46.

3b.

7.

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 emergency loads upon a simulated restora-tion of offsite power, b) Transfer its loads to the offsite power source, and c) Be restored to its standby 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 the emergency loads with offsite power.

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 lines.

WATERFORD - UNIT 3 3/4 8-5 AMENDMENT NO. 4 l

TABLE 4.8-1 DIESEL GENERATOR TEST SCHEDULE

.20 NUMBER OF FAILURES IN Namd/4 of /4//v/e5 /4' LAST s VALIO TESTSd utsr /40 vsh/D Trsis

TEST FREQUENCY

_1 f ',4 At least once per 31 days

- ^t ?;st =n er M day ,

> 2."

gg At least once per 7 days

-+- ^t 1;st ;.;; pc.- 2 de,a

" Criteria for determining number of failures and number of valid test shall be in accordance with Regulatory Position C.2.e of Regulatory- 10"d Guide 1.108, Revision 1, August 1977, where the last+100 tests are determined on a perju !::r crit basis. For the purposes of this M) test schedule, onTy valid tests conducted after the Operating License l

Ynt issuance date shall be included in the computation of the "last 100 valid tests". Entry into this test schedule shall be made at the 31 day test frequency. Increcsed test defeesef de one diese/

fenetsfor c/w// no/ offee d Me desf ikf"kf A' A* Mni"'h ofesel feneredog even sinder fje s7,44grtsp 7Es7~adsn en *-

7Ne essoc.4feo' des / rGegeency sAaN de inch /9shed andi/ SeVen consecu/ive (gi/ure-Gee deinends /xve been perge,ned end fAe nWinbe' af fei/ ares in fle /9s/ .20 n/id demends /xs been rea'aceo' /o one.

i

+MM f0t j duffCS*5 o l Clederntkliny fde rcyaiN/ feg/ yfgp,y,ygf, .pg, p,my,ou3 bG3/ fri/ufe Co"nY MQ 8e /edgeed to 2ero // 4 pp,np/efg c/,;oye/

over49e/ fo /iA'e-ness a2<1d,4bns is completed, ftwided tAef tAe overAcuf opre66n end fer&;<>

ine/udity offropno/e fosf-nkinfenencespecikc/f o oAle afj radec/ b re/iedi//7y' Acs Aeen c/entonsfrded 7);e m/;eJ;&fy cridenan {

shen de success &/ comphfian of /4 conseea//ve les/s in a ;

Sinf 4 Series; /0 of /dese des /s $4cf de A7 & co r o c' n c e tJ'YA SUNeill4nce /eftdMmen/ 9'2 4 / .fw . .ch, f on of 4 of Ylese l"b SbqU incluo'e /de $s/ $ferf eno' fesf foodby 116fv/Wm!Ab~ h"'

cmdion/ eareb/kns) es c/eseri4ed in fde esderi:ssed (*)no/e d'o

//,e 9,Gresen/knea' survei/Anee ierairemenis. If his cri&i o is not sok hd s' a rmy /ue /Ae

/Je k rf seria 7Gh"' re o do'nig

'knt f t' any e// erne /e criterien t~~W a;/4,orar offMve/ dy .7%e A/,fc.~~

~~WATERFORD - UNIT 3 3/4 8-7~~

ML20205J859

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