ML20148E529

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Proposed Tech Specs,Providing Specific Actions to Be Taken When One Battery Supplying Dc Control Power to 230 Kv Switchyard Breakers Inoperable
ML20148E529
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 01/20/1988
From:
FLORIDA POWER CORP.
To:
Shared Package
ML20148E493 List:
References
NUDOCS 8801260054
Download: ML20148E529 (8)
v • d • e


Text

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~3/4.8 ELECTRICAL' POWER SYSTEMS _

,3/4.8.1 A.

C.

SOURCES OPERATING

' LIMITING CONDITION FOR'0PERATION 3.8.1.1 A s' a uinimum,.the following electrical power. sources shall-l be' OPERABLE:

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:

l..

A separate day fuel. tank containing a minimum volume of 400 gallons of fuel, 2.

A separate fuel storage system containing a minimum volume of 20,300 gallons of fuel, and 3.-

A separate fuel transfer pump, and c.

Two separate battery / charger combinations supplying D.C control power to the 230 kv switchyard breakers.

APPLICABILITY:

MODES 1, 2,

3 and 4.

ACTION:

a.

With one-of the above offsite circuits inoperable, demonstrate the OPERABILITY of the remaining A.C.

sources by performing Surveillance Requiremenc 4.~8.1.1.1.a within one hour and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter; and 4.8.1.1.2.a.4 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, unless the diesel generators are already operating.

Restore at 'least two offsite circuits to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at i

leest HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

b.

With one diesel generator inoperable, demonstrate the operability of the remaining A.C.

sources by performing Surveillance Requirement 4.8.1.1.1.a within one hour end at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter; and 4.8.1.1.2.a.4 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore two diesel generators to OPERABLE status witnin 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at lease HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

l

~ CRYSTAL RIVER - UNIT 3 3/4 8-1 Amendment No.

'P

s ELECTRICAL POWER SYSTEMS LIMITING CONDITION FOR OPERATION (continued)

ACTION: (Continued) c.

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 Surveillance Requirements 4.8.1.1.1.a within one hour and at least once per - 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter; and 4.8.1.1.2.a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, unless the diesel generator i c.

already operating.

Restore at least one of the inoperable sources to OPERABLE status within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

Restore at least two offsite circuits and two diesel generators to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from the time of initial loss or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, d.

With two of the above required offsite A.C.

circuits inoperable, demonstrate the OPERABILITY of two diesel generators by performing Surveillance Requirement 4.8.1.1.2.a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, unless the diesel generators are already operating; restore at least one of the inoperable offsite sources to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

With only one offsite source restored, restore at least two off-site circuits to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from the time of initial loss or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

e.

With two of the above required diesel generators inoperable, demonstrate the OPERABILITY of two offsite A.C.

circuits by performing Surveillance Requirement 4.8.1.1.!.a within one hour and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter; restore at least one of the inoperable diesel generators to OPERABLE status within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in at least HOT STANDBY within the next 6

hours and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

Restore at least two diesel generators to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from the time of initial loss or be in at least HOT STANDBY within the next G hours and in COLD SHUTDOWN within the j

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

f.

With one of the batteries or chargers supplying D.C.

control power to the 230 kv switchyard breakers inoperable, restore both batteries and chargers to OPERABLE status or supply all D.C.

control power to the 230 kv switchyard from l

a single OPERABLE battery / charger combination within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

CRYSTAL RIVER - UNIT 3 3/4 8-2 Amendment No.

l

ELECTRICAL POWER SYSTEMS LIMITING CONDITION FOR OPERATION (continuedl ACTION:

(Continued) g.

With a

single battery / charger combination supplying D.C.

control power to the redundant 230 kv breaker tripping

coils, demonstrate the OPERABILITY of that battery by performing Surveillance Requirement 4.8.1.1.1.c.1 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> and at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> thereafter.

Restore both batteries and chargers to OPERABLE status within 7 days or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

SURVEILLANCE REQUIREMENTS 4.8.1.1.1 Each independent circuit between the offsite transmission network and the onsite Class lE distribution system shall be:

a.

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

b.

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

CRYSTAL RIVER - UNIT 3 3/4 8-2a Amendment No.

~1 O

-ELFCTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 2.

Verifying the generator-capability-to reject a load of 1515 kw without. tripping.

  • 3.

S'imulating a loss of offsite power in conjunction with

'l' Reactor Building high pressure and Reactor Building high-high pressure ~ tests signals, and; a)

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

Verifying that the 4160 v.

emergency bus tie breakers open, c)

Verifying the diesel starts-from ambient condition on-the -auto-start signal, energizes the emergency buses with permanently connected loads, energizes the auto-connected emergency loads ~through the load sequencer, and operates for 15 minutes while its generator is loaded with the emergency loads.

4.

Verifying the diesel generator operates for 160 minutes while loaded to 13000 kw,

  • S.

Verifying that the auto-connected loads to each diesel l

generator do not exceed the 2000 hour0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br /> rating of 3000 kw, and 6.

Verifying that the automatic load sequence timers are OPERABLE with each load sequence time interval within 110%.

i

  • This test shall be performed in MODE 3 i

l f

l i

CRYSTAL RIVER - UNIT 3 3/4 8-5 Amendment No.

1

ELECTRICAL POWER SYSTEMS SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.1.2 As a minimum, the following electrical power sources shall l

be OPERABLE:

a.

One circuit between the offsite transmission network and the onsite Class lE distribution system, and b.

One diesel generator with:

1.

Day fuel tank containing a minimum volume of 400 gallons of fuel, 2.

A fuel storage system containing a minimum volume of 20,300 gallons of fuel, and 3.

A fuel transfer pump, and c.

One battery / charger combination supplying D.C.

control power to the 230 kv switchyard breakers.

APPLICABILITY:

MODES 5 and 6.

ACTION:

With less than the above minimum required A.C.

electrical power sources OPERABLE, suspend all operations involving CORE ALTERATIONS or positive resetivity changes until the minimum required A.C.

electrical power sources are restored to OPERABLE status.

SURVEILLANCE REQUIREMENTS 4.8.1.2.1 At least one circuit between the offsite transmission network and the onsite class lE distribution system shall be:

a.

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

b.

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

c.

Demonstrated OPERABLE by determining that at least one battery supplying D.C.

control power to the 230 kv switchyard breakers is OPERABLE; CRYSTAL RIVER - UNIT 3 3/4 8-6 Amendment No.

q ELECTRICAL POWER SYSTEMS SURVfLLANCEREQUIREMENTS (Continued) 1.

At least once per 7 days by verifying that:

a)

The electrolyte level of each pilot cell is between the minimum and maximum level indication marks, b)

The pilot cell specific gravity, corrected to 770F, and full electrolyte level is 11.20.

c)

The pilot cell voltage is 12.15 volts, and d)

The overall battery voltage is 1120 volts.

2.

At least once per 92 deys by verifying that:

a)

The voltage of each connected cell is 12.15 volts under float charge and has not decreased more than 0.10 volts from the value observed during the base-line tests, and b)

The specific gravity, corrected to 77aF, and full electrolyte level of each connected cell is 11.20 and has not decreased more than 0.01 from the value observed during the previous tests, and c)

The electrolyte level of each connected cell is between the minimum and maximum level indication marks.

3.

At least once per 18 months by verifying that:

a)

The cells, cell plates and battery racks show no visual indication of physical damage or abnormal deterioration.

b)

The cell-to-cell and terminal connections are clean, tight and coated with anti-corrosion materials, c)

The battery charger will supply at least 95 amperes at 125 volts for at least 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

4.

At least once per 18 months, by verifying that the battery capacity is adequate to supply and maintain in OPERABLE status all of the actual emergency loads for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> when the battery is subjected to a battery service test.

CRYSTAL RIVER - UNIT 3 3/4 8-Ga Amendment No.

ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) 5.

At least once per 60 months, by verifying that the battery capacity is at least 80% of the manufacturer's rating when subjected to a performance discharge test.

This performance discharge test shall be performed subsequent to the satisfactory covpletion of the required battery service test.

4.8.1.2.2 At least one diesel generator shall be demonstrated OPERABLE:

a.

At least once per 31 days by:

1.

Verifying the fuel level in the day fuel tank, 2.

Verifying the fuel level in the fuel storage tank, 3.

Verifying the fuel transfer pump can be started and transfers fuel from the storage system to the day tank, 4.

Verifying the diesel starts from ambient condition and can be accelerated to at least 900 rpm, 5.

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

b.

At least once each 92 days by verifying that a sample of diesel fuel from the fuel storage tank is within the acceptable limits specified in Table 1 of ASTM D975-68 when checked for viscosity, water and sediment.

c.

At least once per 184 days in lieu of surveillance 4.8.1.2.2.a.4 by verifying the diesel starts from ambient condition and accelerates to at least 900 rpm in less than or equal to 10 seconds.

l i

d.

At least once per 18 months, by:

1.

Subjecting the diesel to an inspection in accordance with procedures prepared in conjunction with its manufacturer's recommendations for this class of l

standby service,

{

l 2.

Verifying the generator capability to reject a load of l

1515 1:w wi t hout tripping.

l l

l CRYSTAL RIVER - UNIT 3 3/4 8-6b Amendment No.

l l

l

s ELECTRICAL POWER SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

  • 3.

Simulating a loss of offsite power in conjunction with Reactor Building high pressure and Reactor Building high-high pressure tests signals, and; a)

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

Verifying that the 4160 v.

emergency bus tie breakers open, c)

Verifying the diesel starts from ambient condition on the auto-start signal, energizes the emergency buses with permanently connected loads, energizes the auto-connected emergency loads through the load sequencer, and operates for 15 minutes while its generator is loaded with the emergency loads.

4.

Verifying the diesel generator operates fo~ 160 minutes while loaded to 13000 kw,

  • 5.

Verifying that the auto-connected loads to each diesel generator do not exceed the 2000 hour0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br /> rating of 3000 kw, and 6.

Verifying that the automatic load sequence timers are OPERABLE with each load sequence time interval within

+10%.

  • This test shall be performed in MODE 3.

CRYSTAL RIVER - UNIT 3 3/4 8-6c Ainendment No, i.

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