ML17285B070

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Proposed Operational Conditions 1,2 & 3 for Tech Spec 3/4.8.1.1, AC Sources
ML17285B070
Person / Time
Site: Columbia 
Issue date: 03/02/1990
From:
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17285B069 List:
References
NUDOCS 9003130391
Download: ML17285B070 (6)
v • d • e


Text

3/4.8 ELECTRICAL POWER SYSTEMS 3/4. 8. 1 A. C.

SOURCES A. C.

SOURCES -. OPERATING LIMITING CONDITION FOR OPERATION

3. 8. l. 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.

Three separate and independent diesel generators, each with:

Q~f C 1.

Separate day fuel tanks containing a minimum of 1400 gallons of fuel, 2.

A 'separate fuel storage system containing a minimum of 53,000 gallons of fuel for diesel generator 1 {OG-1) and 53,000~lions of fuel for diesel generator 2 {OG-Z), and 33,000fjy+Pons of fuel for diesel generator 3 (00-3).

3.

A separa&

el transfer pump.

APPLICABILITY:

OPBRATIONALQAITIONGI, 2, and 3.

ACTION:

a.'ith 'either one offsite + it of the above required A;C. elec rical power sou inopera e,

emonstrate the OPERABILITY of'the remaining A.C. sourc formi Surveillance Re uirement 4.8.l.l.l.a. within 1 our en.......

n et -~a and at east once er hours theraftegQ~

g restore offsite circuity'o OPERABEE J~ud;~+)

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 least HOT SHUTDOWN within the next I p J

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12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

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With one offsite circuit and DG-I or OG-2 of the above required A.C.

electrical power sources inoperable, demonstrate the OPERABILITY of the remaining A.C. sources by erformin Surve'.llance Re u re-ments 4.8.l.l.la. within 1 hou thereafter estore at. least one of the inoperable A.C. sources to OPERABLE s

a s 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 SHUTOOMN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOMN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore at least two offsite circuits and DG-1 and OG-2 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 time of initial loss or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, MASHINGTON NUCLEAR - UNIT 2 3/4 8-3.

9003130391 900302 PDR ADOCK 05000397 PQC

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~ I ELECTRICAL POMER SYSTEMS LIMITING CONDITION FOR OPERATION Continued ACTION (Continued) e P.

Mith DG-3 of the above required A.C. electrical power sources in-'~d

~~54-once-peMMeu~~~~

restore the inoperable DG-3 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 declare the HPCS system inoperable and take the ACTION required by Specification 3.5. 1.

qC'ith DG-1> DG-2~ or-BGM of the above required A.C. electrical power sources i~noperable, in addition to ACTION a., b., or c.,

as applicable, verify within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> that all required systems, subsystems,

trains, corn onents, and devices that depend on the remaining OPERABLE <he.~ 0< ~

as a source of emergency power are also OPERABLE; otherwise, e

>n at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Mith two of the above required offsite uits inoperable, demonstrate the OPERABILITY of three diesel gene bo s by performing Surveillance Re uirement 4.8. 1. 1. 2a. 4. for ne enerator at a time, within P,'f

&ereefhep-unless the diesel generators are a ready opera sn estore at least one of the inoperable offsite circuits t ABLE 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 SHUTDOMN with e next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

With only one affsite circuit restored taf6$ E ABLE status, restore at least two offsite circuits to OPER~status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from time of initial loss or be in at ~st HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN wi the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Mith DG-1 and DG-2 of the above required A.C. electrical power sources.

inoperable, demonstrate the OPERABILITY of the remainin A.C.

so rces by performing Surveillance Requirements A.B. 1. 1. Ia. mn within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 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@

estore at least one of the inoperable DG-1 and DG-2 to OPERABLE st t s 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 SHUTDOWN within the next 1 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and in COLD SHUTDOMN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore b

G-1 and DG-2 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 time of initial loss or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOMN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

v WASHINGTON NUCLEAR - UNIT 2 3/4 8-2

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INSERT A Unless the respective diesel generator has been successfully tested within the past 24

hours, demonstrate the OPERABILITY of DG-1 and DG-2 by performing Surveillance Requirement 4.8. 1. 1.2.a.4, for each DG, within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

INSERT B

b.

With either DG-1 or DG-2 inoperable, demonstrate the OPERABILITY of the above required offsite sources by performing Surveillance Requirement 4.8. l. 1. l.a within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 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.

Unless the cause of the inoperable DG is known to not impact the OPERABILITY of the remaining OPERABLE DGs, demonstrate the OPERABILITY of the remaining OPERABLE DGs by performing Surveillance Requirement 4.8. 1. 1.2.a.4 for each DG within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore the inoperable DG 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 least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

INSERT C

Demonstrate the OPERABILITY of the remaining OPERABLE DGs by performing Surveillance Requirement 4.8. 1. 1.2.a.4 for each DG, within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

INSERT D

Unless the cause(s) of the inoperable DGs is known to not impact the OPERABILITY of DG-3, demonstrate the OPERABILITY of DG-3 by performing Surveillance Requirement 4.8. 1. 1.2.a.4 for DG-3 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

INSERT E

With DG-1 and DG-3 or DG-2 and DG-3 of the above required A.C. electrical power sources inoperable, demonstrate the OPERABILITY of the remaining A.C.

sour ces by performing Surveillance Requirements 4.8. l. 1. I.a within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and at least once per 8

hours thereafter.

Unless the cause of the inoperable DGs is known not to impact the operability of the remaining operable DG, demonstrate the operability of the remaining DG 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 />.

Restore at least one of the inoperable DGs 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 SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Restore both i'noperable DGs 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 time of initial loss or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

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