Text

Amend 1 to License DPR-80,revising Tech Specs Re Min Shift Crew Composition & Testing Frequency Requirements for Diesel Generator 3
	ML20127D822
Person / Time
Site:	Diablo Canyon
Issue date:	04/26/1985
From:	Knighton G; Office of Nuclear Reactor Regulation
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UNITED STATES

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NUCLEAR REGULATORY COMMISSION

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PACIFIC GAS AND ELECTRIC COMPANY DIABLO CANYON NUCLEAR POWER PLANT, UNIT 1 DOCKET NO. 50-275 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 1 License No. DPR-80 1.

The Nuclear Regulatory Comission (the Comission) has found that:

A.

The application for amendment dated January 30, 1985 by Pacific Gas & Electric Company (the licensee) complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Comission's rules and regulations set forth in 10 CFR Chapter 1; B.

The facility will operate in conformity with the application, as amended, the provisions of the Act, and the rules and regulations of the Commission; C.

There is reasonable assurance (1) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Comission's regulations; D.

The issuance of this 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 accordance with 10 CFR Part 51 of the Commission's regulations and all applicable requirements have been satisfied.

2.

Accordingly, the license is amended by a change to the Technical Specifications as indicated in the attachment to this license amendment, and paragraph 2.C(2) of Facility Operating License No. DPR-80 is hereby amended to read as follows:

h 51 g f50 75 p

PDR

. (2) Technical Specifications The Technical Specifications contained in Appendix A and the Environmental Protection Plan contained in Appendix 2, as revised through Amendment No. I are hereby incorporated in this license. The Pacific Gas & Electric Company shall operate the facility in accordance with the Technical Specifications and the Environmental Protection Plan.

3.

This license amendment is effective as of the date of issuance of an operating license for Diablo Canyon Nuclear Power Plant, Unit 2.

FOR THE NUCLEAR REGULATORY COMMISSION George WF'ffd4' GfCc y

Knighton, ef Licensing Branch No 3 Division of Licensing

Attachment:

Changes to the Technical Specifications Date of Issuance: APR 2 61985

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ATTACHMENT TO LICENSE AMENDMENT NO. 1 FACILITY OPERATING LICENSE NO. DPR-80 DOCKET NO. 50-E75

-Replace'the following pages of the Appendix A Technical Specifiations with the enclosed pages. The revised pages are identified by Amendment Number and contain vertical-lines indicated the area of change. Also to be replaced are the following overleaf pages to the amended pages.

Amendment Pages Overleaf Pages 3/4 8-1 3/4 8-2

.3/4 8-3 3/4 8-4 3/4 8-5 3/4 8-6 3/48-7(Reissuedwithoutchange) 3/4 8-8 6-4 6-3

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:

Two independent circuits (one with delayed access) between the a.

offsite transmission network and the Onsite Class 1E Distribution System, and b.

Three separate and independent diesel generators,* each with:

1.

A separate engine-mounted fuel tank containing a minimum volume of 200 gallons of fuel, and 2.

Two supply trains of the Diesel Fuel Oil Storage and Transfer System with a combined storage of 31,023 gallons of fuel for one unit operation and 52,046 gallons of fuel for two unit' operation.

APPLICABILITY:

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 OPERABILITY of the remaining A.C. sources by performing Specifica-tions 4.8.1.1.la and 4.8.1.1.2a.2) 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 three diesel generators 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 offsite circuit and one diesel generator of the above required A.C. electrical power sources inoperable, demonstrate the OPERABILITY of the remaining A.C. sources by performing Specifica-

.tions 4.8.1.1.la. and 4.8.1.1.2a.2) 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 one of the inoperable sources to OPERABLE status within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-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 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 three diesel generators to OPERABLE 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 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 .

0PERABILITY of the third (common) diesel generator shall include the capability of functioning as a power source for Unit I upon automatic demand from Unit 1 DIABLO CANYON - UNIT 1 3/4 8-1 AMENDMENT NO. 1 g_

ELECTRICAL POWER SYSTEMS I

LIMITING CONDITION FOR OPERATION ACTION (Continued)

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

c.

above verify that:

1.

All required systems, subsystems, trains, components and devices that depend on the remaining OPERA 8LE diesel generators as a source of emergency power are also OPERABLE, and 2.

When in MODE 1, 2, or 3 that at least two auxiliary feedwater pumps are 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 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 , d.

With two of the above required offsite A.C. circuits inoperable, demonstrate the OPERABILITY of three diesel gener..tnrs by performing the requirements of Specification 4.8.1.1.2a.2) wiviin 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months and at-l 1 east once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereafter, unless the diesti generators are already operating; restore at least one of the inoperable offsite sources to OPERABLE status within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months or be in et least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

With only cne offsite source restored, restore at least two offsite circuits to OPERABLE status r

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

~

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 e

following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

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

demonstrate the OPERABILITY of two offsite A.C. circuits by performing r

the requirements of Specification 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 at least two 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 three diesel genera-tors 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 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 .

i f.

With one supply train of the Diesel Fuel Oil Storage and Transfer l

System inoperable, restore the inoperable system 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 be in HOT SHUTDOWN within the following 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

g.

With both supply trains of the Diesel Fuel Oil Storage and Transfer System inoperable, restore at least one supply train, including the common storage system, to OPERABLE status within 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-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 be in COLD SHUTDOWN within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

'DIABLO CANYON - UNIT 1 3/4 8-2 AMENDMENT N0.1 d

m

rc ELECTRfCAL POWER SYSTEMS SURVEILLANCE RE0VIREMENTS 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 availability, and b.

Demonstrated OPERABLE at least once per 18 months during shutdown by:

1)

Transferring 4 kV vital bus power supply from the normal circuit to the alternate circuit (manually and automatically) and to the delayed access circuit (manually), and 2)

Verifying that on a Safety Injection test signal, without loss of offsite power, the preferred, immediate access offsite power source energizes the emergency busses with permanently connected loads and energizes the auto-connected emergency (accident) loads through sequencing timers.

4.8.1.1.2 Each diesei generator

shall be demonstrated OPERABLE:

I a.

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

l 1)

Verifying the fuel level in the engine-mounted fuel tank, 2)

Verifying the diesel starts from ambient condition and accelerates to at least 900 rpm in less than or equal to 10 seconds.

The generator voltage and frequency shall be 4160 1 420 volts and 60 1 1.2 Hz within 13 seconds after the start signal.

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

l a) lianual, or b)

Simulated loss of offsite power by itself (Startup bus under voltage), or c)

A Unit 1 Safety Injection actuation test signal by itself.

Tests of Diesel Generator 3 to satisfy the frequency specified in Table 4.8-1 and in' Surveillance Requirement 4.8.1.1.2.b for Unit 2 may be counted in determining whether the frequency specified in Table 4.8-1 and in Surveil-lance Requirement 4.8.1.1.2b for Unit.1 is satisfied.

Unit-specific portions of this Surveillance Requirement for Diesel Generator 3 shall be performed on an alternating schedule with signals from Units 1 and 2.

- All 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 (e.g., gradual acceleration and/or gradual loading > 150 sec) as recommended-by the manufac,turer so that the mechanical stress and wear on the diesel engine is minimized.

DIABLO CANYON - UNIT 1 3/4 8-3 AMENDMENT NO.1

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 3)

Verifying the generator is synchronized, loaded to greater than or equal to 2484 kW in less than or equal to 60 seconds, and operates for greater than or equal to 60 minutes, 4)

Verifying the diesel generator is aligned to provide standby power to the associated emergency busses,* and l

5)

Verifying the diesel engine protective relay trip cutout switch is returned to the cutout position following each diesel generator test.

b.

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 that the load sequence timers are OPERABLE with each load sequence timer within the limits specified in Table 4.8-2; 3)

Verifying the generator capability to reject a load of greater than or equal to 508 kW while maintaining voltage at 4160 + 420 volts and frequency at 60 + 3 Hz; 4)

Verifying the generator capability to reject a load of greater than or equal to 2484 kW without tripping.

The generator voltage shall not exceed 4580 volts during and following the load rejection; 5)

Simulating a loss of offsite power by itself, and:

a)

Verifying de-energization of the emergency busses and load shedding from the emergency busses, and b)

Verifying the diesel starts on the auto-start signal, energizes the emergency busses with permanently connected loads within 10 seconds, energizes the required auto-connected loads through sequencing timers and operates for greater than or equal to 5 minutes while its generator is loaded with the permanent and auto-connected loads.

After energization of these loads, the steady state voltage and frequency of the emergency busses shall be maintained at 4160 t 420 volts and 60 1 1.2 Hz during this test.

May be the associated bus in Unit 2 if Unit 2 is in MODE 1, 2, 3 or 4.

l DIABLO CANYON - UNIT 1 3/4 8-4 AMENDMENT NO. 1

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 6)

Verifying that on a 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 4160 1 420 volts and 60 1.2 Hz within 13 seconds after the auto-start signal; the steady state generator voltage and fre-quency shall be maintained within these limits during this test; 7)

Simulating a loss of offsite power in conjunction with a Safety i

Injection test signal, and a)

Verifying de-energization 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, energizes the auto-connected emergency (accident) loads through sequencing timers and operates 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 of the emergency buses shall be maintained at 4160 1 420 volts and 60 1 1.2 Hz during this test; and c)

Verifying that all automatic diesel generator trips, except engine overspeed, low lube oil pressure and generator dif-forential, are bypassed when the diesel engine trip cutout switch is in the cutout position and the diesel is aligned for automatic operation.

8)

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 shall be loaded to greater than or equal to 2750 kW and durir.g 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 2484 kW.

The generator voltage and frequency shall be 4160 1 420 volts and 60 1 1.2 Hz within 13 seconds after the start signal; the steady state gener-ator voltage and frequency shall be maintained within these limits during this test.

Within 5 minutes after completing this 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months test, perform Specification 4.8.1.1.2b.5)b);*

9)

Verifying that the auto-connected loads to each diesel generator do not exceed the maximum rating of 2750 kW; "If Specification 4.8.1.1.2b.5)b) is not satisfactorily completed, it is not necessary to repeat the preceding 24-hour test.

Instead the diesel generator may be operated at 2484 kW for 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months or until operating temperature has stabilized.

DIABLO CANYON - UNIT 1 3/4 8-5 AMENDMENT N0.1 L.m__.m.

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ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

10) Verifying the diesel generator's capability to:

a)

Synchronize its isolated bus 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)

Be restored to its standby status.

11) Verifying that with the diesel generator operating in a test mode, connected to its bus, a simulated safety injection signal l

opens the auxiliary transformer breaker and automatically sequences the emergency loads onto the diesel generator; and

12) Verifying that the Shutdown Relay lockout feature prevents l

diesel generator starting only when required:

a)

Generator differential current-high, or b)

Engine lube oil pressure-low, or c)

Emergency stop button actuated, or d)

Overspeed trip actuated.

c.

At least once per 10 years or after any modifications which could affect diesel generator interdependence by starting all diesel generators simultaneously, during shutdown, and verifying that all diesel generators accelerate to at least 900 rpm in less than or equal to 10 seconds.

d.

At least once per 31 days and after each operation of the diesel where the period of operation was greater than or equal to I hour by checking for and removing accumulated water from the day tank.

4.8.1.1.3 The diesel fuel oil Storage and Transfer System shall be demonstrated OPERABLE:

a.

At least once per 31 days by:

1)

Verifying the fuel level in the fuel storage tank, and 2)

Verifying that each fuel transfer pump. starts and transfers fuel from the storage system to each engine-mounted tank via installed lines, b.

At least once per 92 days by verifying that a continuous *, ample obtained in accordance with ASTM-D270-1975, while the storage tank is on recirculation, has a water and sediment content of less than or equal to 0.05 volume percent and a kinematic viscosity at 40'C of greater than or equal to 1.9 but less than or equal to 4.1 when tested as specified in ASTM-0975-77; DIABLO CANYON - UNIT 1 3/4 8-6 AMENDMENT NO. 1 l

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) c.

By verifying that a sample obtained in accordance with ASTM-D270-1975 has a:

1)

Water and sediment content of less than 0.05 volume percent and a kinematic viscosity at 40"C of greater than or equal to 1.9 but less than or equal to 4.1 when tested as specified in ASTM-D975-77 prior to addition of new fuel to the storage tanks; 2) thurityleveloflessthan2mg.ofinsolublesper100ml.when tested in accordance with ASTM-D2274-70 within 14 days after addition of new fuel to the storage tanks.

d.

At least once per 10 years by:

1)

Draining each fuel oil storage tank, removing the accumulated sediment and cleaning the tank using a sodium hypochlorite or equivalent solution, ans 2)

Performing a visual examination of accessable piping during an operating pressure leak test.

4.8.1.1.4 Reports - All diesel generator failures, valid or non-valid, shall be reported to the Commission pursuant to Specification 6.9.1.

Reports of diesel generator failures shall include the information recommended in Regulatory Position C.3.b of Regulatory Guide 1.108, Revision 1, August 1977.

If the number of failures (on a per nuclear unit basis) in the last 100 valid tests 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).

DIABLO CANYON - UNIT 1 3/4 8-7

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O!ABLO CAfiYOff - UtlIT 1 6-3

TABLE 6.2-1 MINIMUM SHIFT CREW COMPOSITION POSITION NUMBER OF INDIVIDUALS REQUIRED TO FILL POSITION BOTH UNITS IN BOTH UNITS IN ONE UNIT IN MODE 1, 2, 3 OR 4 MODE 1, 2,'3, MODE 5 OR 6 AND OR 4 OR DEFUELED ONE UNIT IN MODE ~5 OR 6 OR DEFUELED SS 1

1 1

D SOL 1

none 1

8 8

8 OL 3

2 3

8 8

8 A0 3

3 3

t STA 1*

none la SS Shift Supervisor with a Senior Operators License SQL -

Individual with a Senior Operator License OL Individual with an Operator License

.AO Auxiliary Operator STA - Shift Technical Advisor The Shift Crew Composition may be one less than the minimum requirements of Table 6.2-1 for a period of time not to exceed 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months in order to accommodate unexpected absence of on duty shift crew members provided immediate action is taken to restore the Shift Crew Composition to within the minimum requirements of Table 6.2-1.

This provision does not permit any shift crew position to be unmanned upon shift change due to an oncoming shift crewman being late or absent.

During any absence of the Shift Supervisor from the control room while the unit is in MODE 1, 2, 3 or 4, an individual (other than the Shift Technical Advisor) with a valid Senior Operator license shall be designated to assume the control room command function.

During any absence of the Shift Supervisor from the control room while the unit is in MODE 5 or 6, an individual with a valid Senior Operator or Operator license shall be designated to assume the control room command function.

MAt least one of the required individuals must be assigned to the designated position for each unit.

NAt least one lic' nsed Senior Operator or licensed Senior Operator Limited to

[

e Fuel Handling must be present during Core Alterations on either unit, who has no other concurrent responsibilities.

"The STA position shall be manned in MODES 1, 2, 3, and 4 unless the Shift Supervisor or the individual with a Senior Operator license meets the qualifications for the STA as required by the NRC.

i i

DIABLO CANYON - UNIT 1 64 AMENDMENT NO. I r.

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ML20127D822

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