ML20087L534
| ML20087L534 | |
| Person / Time | |
|---|---|
| Site: | FitzPatrick  |
| Issue date: | 08/24/1995 |
| From: | NRC (Affiliation Not Assigned) |
| To: | |
| Shared Package | |
| ML20087L536 | List: |
| References | |
| NUDOCS 9508250330 | |
| Download: ML20087L534 (5) | |
Text
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- 114.
JAFNPP E8 4.0 BASES
% ' A.
This specification provides that surveillance C.
Continued o
activities necessary to insure the Limiting Conditions y
for Operation are met and will be performed during the interval, defined by the provisions of Specification OPERATIONAL CONDITIONS (modes) for which the Limiting 4.0.B, as a condition that constitutes a failure to j
04 Conditions for Operation are applicable.
Provisions meet the OPERABILITY requirements for a Limiting l.
for additional surveillance activities to be performed condition for Operation. Under the provisions of this l Nj without regard to the applicable OPERATIONAL specification, systems and components are assumed to CONDITIONS (modes) are provided in the individual be OPERABLE when surveillance Requirements have been
!Eg surveillance Requirements.
satisfactorily performed within the speecified time _
W interval. However, nothing in this provision is to be i
B.
Specification 4.0.5 establishes the limit for which construed as implying that systems or components are the specified time interval for surveillance OPERABLE when they are found or known to be inoperable Requirements may be extended.
It permits an allowable although still meeting the Surveillance Requirements.
extension of the normal surveillance interval to This specification also clarifles that the ACTION facilitate surveillance scheduling and consideration requirements are applicable when surveillance of plant operating conditions that may not be suitable Requirements have not been completed within the l
for conducting the surveillance (e.g., transient allowwd surveillance interval and that the time limits conditions or other ongoing surveillance or of tha ACTION requirements apply from the point in maintenance activities).
It also provides flexibility time it is identified that a surveillance has not been to acce==adate the length of a fuel cycle for performed and not at the time that the allowed surveillances that are performed at each refueling surveillance was exceeded. Completion of.the l
outage and are specified with a 24 month surveillance surveillance Requirement within the allowable outage interval. It is not intended that this provision be, time limits of the ACTION requirements restores
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used repeatedly as a convenience to extend compliance with the requirements of specification surveillance intervals beyond that specified for 4.0.C.
However, this does not negate the fact that t
surveillances that are not performed during refueling the failure to have performed the surveillance within outages. The limitation of this specification is the allowed surveillance interval, defined by the i
based on engineering judgement and the recognition provisions of Specification 4.0.B, was a violation of
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that the most probable result of any particular the OPERABILITY requirements of a Limiting Condition l
surveillance being performed is the verification of for Operation that is subject to enforcement action.
conformance with the surveillance Requirements. The Further, the failure to perform a surveillance within limit on extension of the normal surveillance interval the provisions of Specification 4.0.B is a violation i
ensures that the reliability confirmed by surveillance of a Technical specification requirement and is, activities is not significantly reduced below that therefore, a reportable event under the requirements obtained from the specified surveillance interval.
of 10 CFR 50.73(a)(2)(1)(B) because it is a condition prohibited by the plant Technical specifications.
C.
This specification establishes the failure to perform I
a Surveillance Requirement within the allowed
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surveillance l
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i Amendment No.
(), 19W, 226 i
h aod
[
3 JAFMPP 3.6 (cont'd) 4.6 (cont'd) 2.
With one or more snubbers inoperable, within 72 2.
Visual inspection shall verify (1) that there are hours during normal operation, or within 7 days no visible indications of damage or impaired during Cold Shutdown or Refueling mode of OPERABILITY, (2) attachments to the foundation operation for systems which are required to be or supporting structure are secure, and (3) in i
operable in these modes, complete 2Ds of the those locations where snubber movements can be followings manually induced without^ disconnecting the enubber, that the snubber has freedom of movement a.
replace or restore the inoperable snubber (s) and is not frozen up.
Snubbers which appear to operable status or, inoperable as a result of visual inspections may be determined OPERABLE for the purpose of i
b.
declare the supported system inoperable and establishing the next visual inspection interval, follow the appropriate limiting condition for providing that (1) the cause of the rejection is operation statement for that system or, clearly established and remedied for that particular snubber and for other snubbers that c.
perform an engineering evaluation to show the may be generically susceptible; and (2) the inoperable snubber is unnecessary to assure affacted snubber is functionally tested in the as operability of the system or to meet the,
found condition and determined OPERABLE per design criteria of the system, ADA remove Specifications 4.6.I.7 or 4.6.I.8, as applicable.
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t the snubber from the system.
Hydraulic anubbers which have lost sufficient i.
fluid to potentially cause uncovering of the j'
fluid reservoir-to-onubber valve assembly port or bottoming of the fluid reservoir piston with i
the snubber in the fully extended position shall 3.
With one or more snubbers found inoperable, be functionally tested to determine operability.
within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> perform a visual inspection of the supported component (s) associated with the 3.
Once every 24 months, 10% of each type of l
inoperable snubber (s) and document the results.
enubbers shall be functionally tested for For all modes of operation except Cold shutdown operability, either in place or in a bench test.
and Refueling, within 14 days complete an For each unit and subsequent unit that does not i
l engineering evaluation as per Specification meet the requirements of 4.6.I.7 or 4.6.I.8, an 4.6.I.6 to ensure that the inoperable snubber (s) additional 10% of that type of snubber shall be has not adversely affected the supported functionally tested until no more failures are component (s).
For Cold Shutdown or Refueling found, or all units have been tested.
mode, this evaluation shall be completed within 30 days.
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l Amendment No.
id,11, pg, f4d, idd, 226 145c
=
JAFNPP 3.6 (cont'd) 4.6 (cont'd) c.
Snubber release rate, where required, is within the specified range in compression or tension. For snubbers specifically required not to displace under continuous load, the ability of the snubber to withstand load without displacement shall be verified.
9.
Snubber Service Life Konitoring A record of the service life of each snubber, whose failure could adversely affect the primary coolant or other safety-related system, the date at which the designated service life commences, and the installation and maintenance records on which the designated service life is based shall be maintained as required by specification 6.10.B.13.
l Once every 24 months, the installation and maintenance records for each snubber, whose failure could adversely affect the primary coolant or other safety related system, shall be reviewed to verify that the indicated service life has not been exceeded or will not be exceeded prior to the next scheduled snubber service life review.
If the indicated service life will be exceeded prior to the next scheduled snubber service life review, the snubber service life shall be reevaluated or the snubber shall be replaced or reconditioned so as to extend its service life beyond the date of the next schedule service life review. This reevaluation, replacement or reconditioning shall be indicated in the records.
Amendment No.
pf, $$, 226 14sg
<m--
JAFMPP 3.6 and 4.6 BASES (cont'd) in each category from the previous inspection. The order to determine if any safety-related component or intervals may be increased up to 48 months if few system has been adversely affected by the inoperability unacceptable snubbers are found in the previous of the snubber. The engineering evaluation shall inspection. The visual inspection interval will not determine whether or not the snubber mode of failure exceed 48 months. However, as for all surveillance has imparted a significant effect or degradation on the activities, unless otherwise noted, allowable
. supported component or system.
i tolerances of.25% are applicable for snubbers. Table 1
4.6-1 establishes three limits for determining the To provide assurance of snubber functional reliability,
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next visual inspection interval corresponding to the a representative sample of the installed snubbers will i
population of each category of snubbers. For a be functionally tested every 24 months. Selection of a j
category that differs from the representative sizes representative sample of 10% of each type of safety provided, the values for the next inspection interval related snubbers provides a confidence level within may be found by interpolation from the limits acceptable limits that these supports will be in an l
provided in Columns A, B,
and C.
Where the limit for operable condition. Observed failures of these sample unacceptable snubbers in Columns A, B, or C is snubbers shall require functional testing of additional determined by interpolation and includes a fractional units.
value, the limit may be reduced to the next lower i
integer. The first inspection interval determined Hydraulic enubbers and mechanical snubbers may each be using Table 4.6-1 shall be based upon the previous treated as a different entity for the above inspection interval as established by the surveillance programs.
requirements in effect before amendment 180.
Any l
inspection whose results require a shorter inspection The service life of a snubber is evaluated w ing interval will override the previous schedule. When manufacturer input and information and also through the cause of the rejection of a snubber is clearly consideration of the installation and maintenance established and remedied for that snubber and for any records (newly installed snubber, seal replaced, spring t
other snubbers that may be generically susceptible, replaced, in high radiation area, in high temperature i
and verified by inservice functional testing, that area, etc...).
The requirement to monitor the snubber snubber may be exempted from being counted as service life is included to ensure that the snubbers inoperable. Generically susceptible snubbers are periodically undergo a performance evaluation in view those which are of a specific make or model that have of their age and operating conditions. These records the same design features directly related to will provide statistical bases for future rejection of the snubber by visual inspection, and consideration of snubber service life. The are similarly located or exposed to the same requirements for the maintenance of records and the l
environmental conditions such as temperature, snubber service life review are not intended to affect radiation, and vibration. When a snubber is found plant operation.
inoperable, an engineering evaluation is performed, f
in addition to the determination of the snubber mode of failure, in f
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i Amendment No.
W, WA, /pW, 226
'i 156a m
i DATED:
August 24. 1995 AMENDMENT NO. 226 TO FACILITY OPERATING LICENSE NO. DPR-59-FITZPATRICK C0ecket:Filea PUBLIC" PDI-1 Reading S. A. Varga, 14/E/4 L. B. Marsh C. E. Carpenter r
Slittle l
OGC G. Hill (2), T-5 C3 C. Grimes, 11/E/22 ACRS (4)
C. Cowgill, Region I cc:
Plant Service list i
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