ML20055G945
| ML20055G945 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 07/17/1990 |
| From: | Larkins J Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20055G946 | List: |
| References | |
| GL-89-14, NUDOCS 9007240386 | |
| Download: ML20055G945 (16) | |
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UNITED STATES.
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NUCLEAR REGULATORY COMMISSION a-
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SOUTHERN CALIFORNIA EDISON COMPANY SAN DIEGO GAS AND ELECTRIC' COMPANY THE CITY OF RIVERSIDE, CALIFORNIA THE CITY OF ANAHEIM, CALIFORNIA DOCKET NO. 50-361 SAN ONOFRE NUCLEAR GENERATING STATION, UNIT NO. 2 j
AMENDMENT TO FACILITY OPERATING LICENSE Amendment ' No. 90 License No. NPF-10
-1.
The Nuclear Regulatory Comission (the Comission) has found that:
-A.
The application for amendment to the license for San Onofre-Nuclear Generating Station, Unit 2 (the facility) filed by Southern California Edison Company (SCE) on behalf of
-itself and San Diego Gas and Electric Com)any, the City of Riverside,) California and the City of Analeim,. California (licensees dated May 14, 1990 complies'with'the standards and; requirements of the Atomic Energy Act of 1954, as amended
- (the Act), and the Comission's. regulations set forth. in 1
10 CFR Chapter I;
- B.
The~ facility will operate in conformity with the applica-tion, the provisions of the Act, and the regulations of the-Commission; C.
There'isreasonable-assurance (1)thattheactivitiesauthor-ized by. this amendment can be conducted without endangering the health'and safety of the public, and (ii).that such e
activities will be conducted in complianceLwith the Commission's.
regulations; m
.D.
The issuance of'this amendment will not be inimical to the comon defense and security or to the health and safety of-
'l the public; and y'
E.
The issuance of this amendment is in accordance with 10 CFR Part 51 of the Commission's regulations and all applicable l
requirements have been satisfied.
9007240386 900717 ADOCK0500gp1 DR j
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2.
Accordingly, the. license is amended by changes to the Technical Speci-
.fications as indicated it the attachment to this license amendment, and paragraph 2.C(2) of Facility Operating License No. NPF-10 is hereby amended to read as follows:
'(2) Technical Specifications
..The Technical Specifications contained in Appendix A, and the Environmental Protection Plan contained in Appendix B, as revised through Amendment No. 90
, are hereby incorporated
_in.the license.
SCE 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 its issuance and I
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must be fully implemented no later than 30 days from the date of issuance.
FOR THE NUCLEAR REGULATORY C0tHISSION V
John T. Larkins, Acting Director Project Directorate V Division of Reactor Projects - III,
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.IV, Y and Special Projects Office of Nuclear Reactor Regulation i
Attachment:
t Changes to the Technical Specifications Date of Issuance: July 17, 1990 L
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- n ATTACHMENT TO LICENSE AMENDMENT N0.90 FACILITY OPERATING LICENSE NO. NPF-10 DOCKET NO. 50-361 Revise Appendix A Technical Specifications by removing the pages identified below and inserting the enclosed pages.
The revised pages are identified by amendment number and contain marginal lines indicating the area of. change.
Also enclosed are the following overleaf pages to the arended pages.
AMENDMENT PAGE OVERLEAF PAGE 3/4 0-2 3/4 0-1 B 3/4 0-4 B 3/4 0-3
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e' 3/4 LIMITING CONDITIONS FOR OPERATION AND SURVEILLANCE REQUIREMENTS 3/4.0 APPLICABILITY LIMITING CONDITION FOR OPERATION 3.0.1 Compliance with the Limiting conditions for Operation contained in the succeeding specifications is required during the OPERATIONAL MDDES or other conditions specified therein; except that upon failure to meet the Limiting Conditions for Operation, the associated ACTION requirements shall be met.
3.0.2 Noncompliance with a specification shall exist when the requirements of the Limiting Condition for Operation and/or associated ACTION requirements are not met within the specificd time intervals._ If the Limiting Condition for Operation is restored prior to expiration of the spec 1fied time intervals, completion of the ACTION requirements is not required.
3.0.3 When a Limiting Condition for Operation is not met, except as provided in the associated ACTION requirements, within one hour, action shall be initiated to place the unit in a MODE in which the specification does not apply by placing-it, as applicable, in:
1.
At least H0T. STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, 2.
At least HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and 3.
At least COLD SHUTDOWN within the subsequent 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
' Where corrective measures are completed that permit operation under the ACTION requirements, the ACTION may be taken in accordance with the specified time limits as measured from the time of failure to meet the Limiting Condition for' Operation.
Exceptions to these requirements are stated in the individual-specifications.
This specification is-not applicable in MODE 5 or 6.
' 3.0.4 Entry into an OPERATIONAL MODE or other specified condition shall not be made unless the conditions of the Limiting Condition for Operation are met without reliance on provisions contained in the ACTION requirements. This provision shall not prevent passage through or to OPERATIONAL MODES as required
-to comply with ACTION requirements.
Exceptions to these requirements are stated in the individual Specifications.
-SAN ONOFRE-UNIT 2 3/4 0-1 J
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> APPLICABILITY
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-SURVEILLANCE RE0VIREMENTS i
1-4.0.1 Surveillance Requirements shall be applicable during the OPERATIONAL MODES or other conditions specified for individual Limiting Conditions for Operation unless otherwise stated in an individual Surveillance Requirement.
4.0.2 Each Surveillance Requirement shall be performed within the specified surveillance interval with a maximum allowable extension not to exceed 25%
of the specified surveillance interval.
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4.0.3 Failure to perform a Surveillance Requirement within the allowed surveillance interval, defined by Specification 4.0.2, shall constitute
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noncompliance with the OPERABILITY requirements for a Limiting Condition for Operation.
The time limits of the ACTION ?squirements are applicable at the-time it is identified that a Surveillance Requirement has not been performed.
The ACTION requirements may be delayed for up to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> to permit the completion of the surveillance when the allowable outage time limits of the
' ACTION requirements are less than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
Surveillance Requirements do not have to be performed on' inoperable equipment.
'q 4.0.4 Entry into an OPERATIONAL MODE or other specified condition shall not be made unless the Surveillance Requirement (s) associated with the-Limiting Condition for Operation have been performed within the stated surveillance interval or as otherwise specified. This provision shall not prevent passage through or to OPERATIONAL MODES as required to comply with ACTION requirements.
4.0.5 Surveillance Requirements for inservice inspection and testing of ASME Code Class 1, 2 and 3 components shall be applicable as follows:
j Inservice inspection of ASME Code class 1, 2 and 3 components and a.
inservice testing ASME Code Class 1, 2 and 3 pumps and-valves shall-be performed in accordance with Section XI of the ASME Boiler and Pressure Vessel Code and applicable Addenda as required by 10 CFR 50, Section 50.55a(g), except where specific written relief has been granted by the Commission pursuant to 10 CFR 50, Section 50.55a(g)
(6)(1).
b.
Surveillance intervals specified in Section XI of the ASME Boiler and Pressure Vessel Code and applicable Addenda for the inservice inspection and testing activities required by the ASME Boiler and Pressure Vessel Code and applicable Addenda shall be applicable as follows in these Technical Specifications:
t SAN ONOFRE - UNIT 2 3/4 0-2 AMENDMENT NO. 90 I
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3/4.0 APPI.]CABILI]
BASES (Continued) required, the time limit for reaching the next lower MODE of operation applies.
However, if a lower MODE of operation is reached in less time than allowed, the. total allowable time to reach COLD SHUTDOWN, or other applicable MODE, is not reduced.
For example, if HOT STANDBY is reached in 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />, the time allowed to reach HOT SHUTDOWN is the next 11 hours1.273148e-4 days <br />0.00306 hours <br />1.818783e-5 weeks <br />4.1855e-6 months <br /> because the total time to reach HOT SHUTDOWN is not reduced from the allowable limit of 13 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br />.
Therefore, if remedial measures are completed that would permit a return to POWER operation, a penalty is not incurred by having to reach a lower MODE of operation in less than the total time allowed.
The same principle applies with regard to the allowable outage time limits of the ACTION requirements,-if compliance with the ACTION requirements for one specification results in entry into a MODE or condition of operatior for anotner specification in which the requirements of the Limiting Condition for Operation are not met.
If the new specification becomes applicable in less time than specified, the difference may be added to the allowable outage time limits of the second specification.
However, the allowable outage time limits of ACTION requirements for a higher MODE of operation-may not be used to extend Lthe allowable outage time that is applicable when a Limiting Condition for Operation is not met in a lower MODE of operation.
The shutdown requirements of Specification 3.0.3 do not apply in MODES 5 and 6, because the ACTION requirements of individual specifications define the remedial measures to be taken.
Specificatior. 3.0.4 establishes limitations on MODE changes when a Limiting Condition for Operation is not-met.
It precludes placing the facility in a higher-MODE of operation when the-requirements for a Limiting Condition for Operation are not met and continued noncompliahce to these conditions would result in a' shutdown to comply with the ACTION requirements lif a change in MODES were permitted.
The purpose of this specification is to ensure that facility operation is not initiated or that higher MODES of operation are not entered when corrective action is being taken to obtain compliance with a specification by restoring equipment to OPERABLE status or parameters to
-specified limits.
When a shutdown is required to comply with ACTION requirements, the provisions of Specification 3.0.4 do not apply because they would delay placing the facility in a lower MODE of operation.
Exceptions to this specification have been provided for a limited number of specifications when startup with inoperable equipment would not affect plant safety.
These exceptions are stated in the ACTION statements of the appro-i priate specifications.
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SAN ONOFRE - UNIT 2 B 3/4 0-3 AMENDMENT NO. 81 DEC 7 1989
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- 3/4.'O APPLICA3ILITY 1
BASES'(Continued)
Specifications 4.0.1 throuch 4.0.5 establish the general requirements applicable to Surveillance Requirements.
These requirements are based on the Surveillance Requirements stated in the Code of Federal Regulations, 10 CFR 50.36(c)(3):
" Surveillance requirements are requirements relating to test, calibration, or inspection to ensure that the necessary quality of systems and components is maintained, that facility operation will be within safety limits, and that the limiting conditions of operation will be met."
Specification 4.0.1 establishes the requirement that'surveillances must be performed during the OPERATIONAL MODES or other conditions for which the requirements of the Limiting Conditions for Operation apply unless otherwise stated in an individual Surveillance Requirement.
The purpose of this specification is to ensure that surveillances are performed to verify the operational status of systems and components and that parameters are within specified limits to ensure safe operation of the facility when the plant is in a MODE or other specified condition for which the associated Limiting Conditions for Operation are applicable.
Surveillance Requirements do not have to be performed when the facility is in an OPERATIONAL MODE for which the requirements of the associated Limiting Condition for Operation do not apply unless otherwise specified.
The Surveillance Requirements associated with a Special Test Exception are only applicable when the.Special Test Exception is used as an allowable exception to the requirements of a specification.
Specification 4.0.2 establishes the limit for which the specified time interval for Surveillance Requirements may be extended. -It permits an allowable extension of the normal surveillance interval to facilitate surveillance scheduling and consideration of plant o may not be suitable for conducting the surveillance;perating conditions that e.g., transient conditions or other ongoing surveillance or maintenance activities.
It also provides ficxibiU ty to~ accommodate the length of a fuel cycle for surveillances that c e performed at each refueling outage.
It is not intended that this provision be used repeatedly as a convenience to extend surveillance; intervals beyond that spelfied for surveillances that are not performed during refueling outages. The limitation of Specification 4.0.2 is based on engineering judgement and the recognition that the most probable result of any particular surveillance being performed is the verification of conformance with the Surveillance Requirements.
This provision is sufficient to ensure that the reliability ensured through surveillance activities is not significantly degraded beyond that obtained from the specified surveillance interval.
Specification 4.0.3 establishes the failure to perform a Surveillance Requirement within the allowed surveillance interval, defined by the provisions of.' Specification 4.0.2, as a condition that constitutes a failure to meet the OPERABILITY requirements for a Limiting Condition for Operation.
Under the-provisions of this specification, systems and components are assumed to be OPERABLE when Surveillance Requirements have been satisfactorily performed within the specified time interval.
However, nothing in this provision is to be construed as. implying that systems or components are OPERABLE when they are l
SAN ONOFRE - UNIT 2 B 3/4 0-4 AMENDMENT NO.90
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UNITED STATES o- [T gi NUCLEAR REGULATORY COMMISSION r
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Er WASHINGTON, D, C 20555 Yf j
SOUTHERN CALIFORNIA EDISON COMPANY 4
SAN DIEGO GAS AND ELECTRIC COMPANY I
THE CITY OF RIVERSIDE, CALIFORNIA s
THE CITY OF ANAHEIM, CALIFORNIA DOCKET NO. 50-362 t
L SAN ONOFRE NUCLEAR GENERATING STATION, UNIT NO. 3 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 80-License No NPF-15 H
i 1.
- The Nuclear: Regulatory Comission (the Comission)' has found that:
i L
A '.
The application for amendment to the license for San Onofre L
NuclearGeneratingStation, Unit 3(thefacility) filed by Southern California Edison Company (SCE) on behalf of itself and San Diego Gas and Electric Com)any, the City of
~
Riverside,) California and the City of Analeim, California (licensees dated May 14, 1990 complies with the standards K.b and requirements of the Atomic Energy Act of 1954, as amended l i (the. Act), and the Comission's regulations set forth in.
Lz 10~CFR Chapter I; B.
The facility will operate in conformity with the-applica-I:
tion, the provisions of the Act, and'the regulations of'the Comission;-
L C.-
There is reasonable assurance (i) that the activities author-ized 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;.
l D.
The: issuance of this amendment will not be inimical to the h'
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 Comission's regulations and all applicable h
requirements have been satisfied.-
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.f.;
2.
Accordingly, the license is amended by changes to the Technical Speci-fications as indicated in the attachment to this license amendment, and paragraph 2.C(2) of Facility Operating License No. NPF-15 is hereby amended to read as follows:
(2) Technical Specifications The Technical Specifications contained in Appendix A, and the Environmental Protection Plan contained in Appendix B, l
as revised through Amendment No. 80, are hereby incorporated L
in the license.
SCE'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 its issuance and must be fully implemented no later than 30 days from the date of issuance.
FOR THE NUCLEAR REGULATORY COMMISSION v'
b
. John T. Larkins, Acting Director Project Directorate V Division of Reactor Projects - III, IV, V and Special Projects Office of Nuclear Reactor Regulation Att'chment:
a
' Changes to the. Technical Specifications
.Date of Issuance: July 17,-1990 e
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4
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-(v ATTACHMENT TO LICMSE AMENDMENT NO. 80 FACILITY OPERATING LICENSE NO. NPF-15 DOCKET NO. 50-362 i
Revise Appendix A' Technical Specifications by removing the pages identified below and inserting the enclosed pages. The revised pages are identified by amendment number ai.d contain marginal lines indicating the area of change.
Also enclosed are the following overleaf.pages to the amended pages.
AMENDMENT PAGE OVERLEAF PAGE 3/4 0-2 3/4 0-1 B 3/4 0-4 B 3/4 0-3
m TABLE 2.2-1~
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REACTOR PROTECTIVE INSTRUENTATION TRIP SETPOINT LIMITS o
~5 i
2 T FUNCTIONAL UNIT ~
TRIP SETPOINT ALLOWABLE VALUES Eq 1.
Manual Reactor Trip Not Applicable Not Applicable w
2.
Linear Power Level - High -
Four Reactor Coolant Pumps S-110.0% of RATED THERMAL POWER
$ 1U.0% of RATED THElumL POWER Operating 3.
Logarithmic Power Level - High (1) $ 0.83% of RATED THERMAL POWER
$ 0.935 of RATED THEiWML POWER 4.
Pressurizer Pressure - High 5 2375 psia 5 2385 psia 5.
Pressurizer Pressure - Low (2) 1 1740 psia 1 1700 psia 6.
Containment Pressure - High 5 3.1 psig i 3.4 psig 7.
Steam Generator Pressure - Low (3) 1 741 psia 1 729 psia 8.
Steam Generator Level - Low 1 21.05 (4) 1 20.0E (4) 9.
Local Power Density - High (5) i 21.0 kw/ft 5 21.0 kw/ft
- 10. DNBR - Low 1 1.31 (5) 1 1.31 (5) 11.
Reactor Coolant Flow - Low k
a) DN Rate
-5 0.22 psid/sec (6)(8)
$ 0.231 psid/sec (6)(8) g b) Floor 3 13.2 psid (6)(8) 2 12.1 psid (6)(8) g c) Step 5 6.82 psid (6)(8)
$ 7.25 psid (6)(8) z
[ 12. Steam Generator Level - High
_$ 89% (4)-
5 89.7% (4)
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- 13. Seismic - High
_$ 0.48/0.60 (7) 1 0.48/0.60 (7)
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14.
Loss of Load Turbine stop. valve closed Tusine stop valve closed
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TABLE 2.2-1 (Continued)
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- REACTOR PROTECTIVE INSTRUMENTATION 1 TRIP SETPOINT LIMITS og TA8LE NOTATION 3
(1)
Trip may be manually bypassed'above 10-4% of RATED. THERMAL POWER; bypass shall be automat 4.
removed when THERMAL POWER.is less than or equal ts 10-4% of RATED THERM 4L POWER.
(2)
Value may be decreased manually, to a minimum value of 300 psia,.as pressasizer pressure is reduch provided the margin between the pressurizer pressure and this value is' maintained at less than or equal to 400 psi; the setpoint shall be increased automatically as pressurizer pressure is increased until the-trip setpoint is reached.~
i Trip may be manually bypassed below 400 psia;.
bypass shall be automatically removed whenever pressurizer pressure is greater than or equal to 500 psia.
1 (3)
Value may be decreased manually as steam generator pressure is reduced, provided the margin between the steam generator pressure and this value is maintained at less than or equal to i
200 psi; the setpoint shall be increased automatically as steam generator pressure is increased
~
1 until the trip setpoint is reached.
I (4) % of the. distance between steam generator upper and low level instrument nozzles.
(5) As stored within the Core protection Calculator (CPC).
Calculation of the trip setpoint includes measurement, calculational and processor uncertainties, and dynamic allowances.. Trip may be manually bypassed below 10-4% of RATED THERMAL-POWER; bypass shall be automatically removed when THERMAL POWER.is greater than or equal to 10-4% of RATED THERMAL POWER.
l The approved DNBR limit accounting for use of HID-2 grid is 1.31.
The bypass.setpoint may be changed during testing pursuant to Special Test Exception 3.10.2.
3 i
(6) DN RATE is the maximum decrease rate of the trip setpoint.
l
' FLOOR is the minimum value of the trip setpoint.
f STEP is the amount by which the trip setpoint is below the input signal unless limited by DN. Rate or Floor.
.g (7) Acceleration, horizontal / vertical, g.
i (8) Setpoint may be altered to disable trip function during testing pursuant to Specification 3.10.3.
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3/4 LIMITING CONDITIONS ~FOR OPERATION AND SURVEILLANCE REQUIREMENTS 3/4.0 APPLICABILITY LIMITING CONDITION FOR OPERATION 3.0.1 Compliance with the Limiting Conditions for Operation contained in the succeeding specifications is required during the OPERATIONAL MODES or other a -
conditions specified therein; except that upon failure to meet the Limiting Conditions for Operation, the associated ACTION requirements shall be met.
3.0.2 Noncompliance with a specification shall exist when the requirements of the Limiting Condition for Operation and/or associated ACTION requirements are
-not met within the specified time intervals.
If the Limiting Condition for.
Operation is restored prior to expiration of the specified time intervals, completion of the ACTION-requirements is not required.
3.0.3 When a Limiting Condition for Operation is not met, except as provided 6
in the associated ACTION requirements, within one hour, action shall'be initiated to place the unit in a MODE in which the specification does not apply by placing it, as; applicable, in:
1.
At least H0T STAND 8Y within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
-2.
At least H0T SHUTDOWN within the-following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and 3.
At least COLD SHUTDOWN within the subsequent 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
Where corrective measures are completed that permit operation under the ACTION requirements, the' ACTION may be taken in accordance with the specified time.
limits as measured from the. time of failure to meet the Limiting Condition for Operation.
Exce specifications. ptions to these requirements are stated in the individual This specification is not applicable in MODE 5 or'6.
3.0.4 Entry into an OPERATIONAL MODE or other specified condition shall not be made unless the conditions of the Limiting Condition for Operation are met without reliance on provisions contained in the ACTION requirements. This provision shall not prevent passage through or to OPERATIONAL MODES as required
.to comply with ACTION requirements.
Exce stated in the individual Specifications. ptions to these requirements are t
. SAN ONOFRE-UNIT 3 3/4 0-1
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APPLICABILITY' i
i SURVEILLANCE REQUIREMENTS 4.0.1 Surveillance Requirements shall be applicable during the OPERATIONAL MODES or other. conditions specified for individual-Limiting Conditions for Operation unless otherwise stated in an individual Surveillance Requirement.
4.0.2 Each Surveillance Requiresent shall be performed within the specified surveillance interval with a maximum allowable extension not to exceed 25% of the surveillance interval.
4.0.3 Failure to perform a Surveillance Requirement within the allowed-surveillance interval, defined by Specification 4.0.2, shall constitute noncompliance with the OPERABILITY requirements for a Limiting Condition for Operation.'
The time limits of the ACTION requirements are applicable at the
=l time it is. identified that a Surveillance Requirement has not been performed.
The ACTION requirements may be delayed for up to 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s-to permit the completion of the surveillance when the allowable outage time limits of the ACTION requirements are less than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
Surveillance Requirements do not have to be performed on inoperable equipment.
'1 4.0.4 Entry into an OPERATIONAL-MODE or other specified condition shall not be made unless the Surveillance Requirement (s) associated with the Limiting i
Condition for Operation have been performed within the stated surveillance interval or as=otherwise specified.
This provision shall not prevent passage through or to OPERATIONAL MODES as required to comply with ACTION requirements.
4.0.5 Surveillance Requirements for inservice inspection and testing of ASME Code Class 1, 2 and 3 components shall be applicable as follows:
Inservice inspection of ASME Code Class 1, 2 and 3 components and-a.
inservice testing ASME Code Class 1, 2 and 3 pumps and valves shall be performed in accordance with Section XI of'the ASME Boiler and Pressure Vessel Code and applicable Addenda as required by 10 CFR-50, Section 50.55a(g), except where specific written relief has been l
-granted by the Commission pursuant to 10 CFR 50, Section 50.55a(g)
(6)(i).
1 b.
Surveillance intervals specified in Section XI of the ASME Boiler and Pressure Vessel Code and applicable Addenda for the inservice inspection and testing activities required by the-ASME Boiler and 4
Pressure Vessel Code and applicable. Addenda shall be applicable as follows in these Technical Specifications.
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SAN ONOFRE - UNIT 3 3/4 0-2 AMENDMENT NO. 80 4
3/4.0 APPLICABILITY BASES (Continued) required, the time limit for reaching the next lower MODE of operation applies.
However, if a lower MODE of operation is reached in less time than allowed, the total allowable time to reach COLD SHUTDOWN, or other applicable MODE, is not reduced.
For example, if HOT _ STANDBY is reached in 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />, the time allowed to reach HOT SHUTDOWN is the next 11 hours1.273148e-4 days <br />0.00306 hours <br />1.818783e-5 weeks <br />4.1855e-6 months <br /> because the total time to reach HOT SHUTDOWN is not reduced from the allonable limit of 13-hours.
Therefore, if remedial measures are completed that would permit a return to POWER operation, a penalty is not incurred by having to reach a lower MODE of operation in less than the total time allowed.
The-same principle applies with regard to the allowable outage time limits of the ACTION requirements, if compliance with the ACTION requirements for one specification results in entry into a MODE or condition of operation for another specification in which the requirements of the Limiting Condition for Operation are not met.
If the new specification becomes applicable in less time than specified, the_ difference may be added to 1.he allowable outage time -
limits ofithe second specification. However, the allowable outage time limits of ACTION requirements for a higher MODE of operaticn may not be used to extend the allowable outage time that is applicable when a Limiting Condition for Operation is not met in a lower MODE of operati m.
The shutdown requirements of Specification 3.0.3 do not apply in MODES 5 and 6, because the ACTION requirements of individual specifications define the remedial measures to be taken.
Specification 3.0.4 establishes limitations on MODE changes when a Limiting condition for Operation-is not met.
It precludes placing the facility in a-higher MODE of' operation when the requirements for a Limiting Condition for Operation-are not met and continued noncompliance to these conditions would result in a shutdown to comply with the' ACTION requirements if a change in MODES were permitted.
The purpose of.this specification is to ensure that facility operation is not initiated or that higher MODES of operation are not u
entered when corrective action is being taken to obtain compliance with a specification by restoring equipment to OPERABLE status or parameters to specified limits.
When a shutdown is required to comply with ACTION requirements.the provisions of Specification 3.0.4 do not apply because they would delay placing the facility in a lower MODE of operation.
Exceptions to this specification have been provided for a limited number of specifications when startup with inoperable equipment would not affect plant safety.
These exceptions are stated in the ACTION statements of the appro-priate specifications.
SAN ONOFRE - UNIT 3 B 3/4 0-3 AMENDMENT;iq 70 DEC 7 d
~ ' ' ' ' '
3/4.0 APPLICABILITY BASES (Continued)
Specifications 4.0.1 through 4.0.5 establish the general requirements applicable to Surveillance Requirements.
These requirements are based on the Surveillance Requirements stated in the Code of Federal Regulations,10 CFR 50.36(c)(3):
Surveillance requirements are requirements relating to test, calibration, or inspection to ensure that the necessary quality of systems and components is maintained, that facility operation will be within safety limits, and that the limiting conditions of operation will be met.
Specification 4.0.1 establishes the requirement that surveillances must be performed during the OPERATIONAL MODES or other conditions for which the requirements of the Limiting Conditions for Operation apply unless otherwise stated in an individual Surveillance Requirement.
The purpose of this specification is to ensure that surveillances are perfonned to verify the operational status of systems and components and that parameters are within specified limits to ensure safe operation of the facility when the plant is in a MODE or ot ? specified condition for which the associated Limiting Conditions
' Operation are applicable.
Surveillance Requirements do not have to be peteormed when the facility is in an OPERATIONAL MODE for which the requirements of the associated Limiting Condition for Operation do not apply unless otherwise specified.
The Surveillance Requirements associated with a Special Test Exception are only applicable when the Special Test Exception is used as an allowable exception to the requirements of a specification.
Specification 4.0.2 establishes the limit for which the specified time interval for Surveillance Requirements may be extended.
It permits an allowable extension of the normal surveillance interval to facilitate surveillance scheduling and consideration of plant operating conditions that may not be suitable for conducting the surveillance; e.g., transient conditions or other ongoing surveillance or maintenance activities.
It also provides flexibility to accommodate the length of a fuel cycle for surveillances that are performed at each refueling outage.
It in not intended that this provision be used repeatedly as a convenience to extend surveillance intervals beyond that specified for surveillances that are not performed during refueling outages.
The limitation of Specification 4.0.2 is based on engineering judgement and the recognition that the most probable result of any particular surveillance being performed is the verification of conformance with the Surveillance Requirements.
This provision is sufficient to ensure that the reliability ensured through surveillance activities is not significantly degraded beyond that obtained from the specified surveillance interval.
Specification 4.0.3 establishes the fad ur- *o perform a Surveillance Requirement within the allowed survei V erval, defined by the provisions of Specification 4.0.2, as a conditic titutes a failure to meet the OPERABILITY requirements for a Limiti on for Operation.
Under the provisions of this specification, sy components are assumed to be OPERABLE when Surveillance Requireme.
)een satisfactorily performed within the specified time interval.
I nothing in this provision is to be construed as implying that systems or compoi.ents are OPERABLE when they are SAN ONOFRE - UNIT 3 B 3/4 0-4 AMEN 0 MENT NO.80
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