ML20153G736
| ML20153G736 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 09/23/1998 |
| From: | WISCONSIN ELECTRIC POWER CO. |
| To: | |
| Shared Package | |
| ML20153G728 | List: |
| References | |
| NUDOCS 9809300204 | |
| Download: ML20153G736 (7) | |
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' to NPL 98-0759 Marked up Technical Specifications Changes for TSCR 209 i-l This attachment consists of a marked up Technical Specification 15.4.13 indicating the l
changes requested by this TSCR. This attachment contains four (4) pages (including this page).
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- Attachment 3 to NPL 98-0759 Comparison of the Relevant Testing Requirements Contained in the ASME Code and TS 15.4.13 for TSCR 209 Page 1of3 ASME/ ANSI OM Part 4, OM-Current PBNP TS 15.4.D ASME Section XI 1986 Edition, 1987 Requirements (OM-4)
Requirements IWF-1000,2000 and 5000 Comparison Analysis i
- 1) Applies to snubbers which affect a Applies to safety-related Applies to Class I,2,3, and MC Equivalent requirement. PBNP function described in the plant Safety snubbers.
component supports.
FSAR Table 6.2-12 lists the safety-Analysis Report. Applicable to snubbers related snubbers at PBNP.
i whose malfunction, as determined by the owner, would significantly increase the probability of occurrence or the consequences of an accident or the malfunction of equipment important to j
safety.
- 2) Describes minimum test procedure Describes test requirements for Describes examination and test result OM-4 provides comprehensive content, examination and test result functional tests only methods, and snubber maintenance and additional detail not explicit in l
methods, personnel qualification modification control.
TS 15.4.13 or the 1986 edition of requirements, instrumentation and test the ASME Code.
t requirements including calibration control, and snubber maintenance and modification control.
3)lias preservice inspection Does not contain preservice IIas preservice test requirements OM-4 provides comprehensive
[
requirements including: preservice inspection requirements.
including: preservice examination additional detail not explicit in operability testag, preservice requirements.
TS 15.4.13 or the 1986 edition of l
examination requirements, and thermal the ASME Code.
i movement examination requirements.
j
- 4) Describes minimum visual inspection Does not describe minimum Describes minimum visual inspection OM-4 provides comprehensive criteria.
visual inspection criteria.
criteria (VT-3).
additional detail not explicit in TS 15.4.13, and is equivalent to the 1986 edition of the ASME Code i
requirements.
- 5) Contains visual inspection interval Contains visualinspection Does not contain this requirement.
OM-4 and TS 15.4.13 have frequencies that are inversely frequencies in parallel with equivalent requirements, and the proportional to the number of inoperable OM-4.
1986 edition of the ASME Code snubbers found during the inspection.
does not contain this requirement.
b
=
l
+ to NPL 98-0759 Comparison of the Relevant Testing Requirernents Contained in the ASME Code and TS 15.4.13 for TSCR 209
(
i Page 2 0f 3 r
ASMEhfNSI OM Part 4, OM-Current PBNP TS 15.4.13 ASME Section XI1986 Edition, 1987 Requirements (OM-4)
Requirements IWF-1000,2000 and 5000 Comparison Analysis
?
- 6) lias reduced examination option if an Does not provide this option.
Does not provide this option.
Although TS 15.4.13 and the 1986 examination of a group of snubbers edition of the ash 1E Code do not include during (2) successive 18 month this option. This allowance to decrease examination intervals reveal no sample size is appropriate. IIaving (2)
[
unacceptable snubbers. If an successive 18 month examinations with unacceptable snubber is revealed during no unacceptable snubbers is evidence of a subsequent required group highly reliable snubbers. Therefore, examination, the sample size for that reducing examination populations is required examination shall be increased justified in this case. In addition, this to 100%.
option requires 100% examination increase if a unacceptable snubber is revealed during sub.,equent testing, which is conservative.
- 7) Includes requirements for Does not include these includes requirements for evaluation of Oht-4 provides comprehensive additional examination failure evaluations requirements.
examination results, but not for failure detail not explicit in TS 15.4.13 and the including identifying failure mode evaluations and identifying failure mode 1986 edition of the ash 1E Code.
groups and corresponding requirements.
groups.
- 8) Describes operability testing Describes functional test Describes inservice test requirements Equivalent requirement. Ilowever, the I
requirements.
requirements consistent with the consistent with the operability testing 1986 edition of the ash 1E Code does not 3
operability testing requirements and functional test requirements of Oht-contain test requirements for snubbers contained in Oht-4.
4 and TS 15.4.13. Ilowever, does not rated at 50 kips or greater.
i contain inservice test requirements for snubbers rated 50 kips or greater.
- 9) Provides an option for qualitative Does not provide this option.
Does not provide this option.
Although TS 15.4.13 and the 86 edition 7
operability testing in lieu of quantitative of the ash 1E Code do not include this measurements provided adequate option, this allowance is appropriate.
justification can be presented for Justification includes the ability of the l
position.
snubber parameters to be within specifications based upon service history or testing. A test report for each snubber i
exempted must be provided and verify that the parameter was within specifications to allow the exemption.
Attachrnent 3 to NPL 98-0759 Comparison of the Relevant Testing Requirements Contained in the ASME Code and TS 15.4.13 for TSCR 209 t
Page 3 of 3 t
ASME/ ANSI OM Part 4, OM-Current PBNP TS 15.4.13 ASME Section XI1986 Edition, 1987 Requirements (OM-4)
Requirentents IWF-1000,2000 and 5000 Comparison Analysis
- 10) Provides requirements for Does not include these Does not include these requirements.
OM-4 provides comprehensive additional operability testing faihire evaluation, and requirements.
detail not explicit in TS 15.4.13 and the testing methods.
1986 edition of the ASME Code.
I1) Requires once every 18 months Requires that during each Requires that during each inspection Equivalent requirement, except the 1986 1
(+/- 25%) that either 10% or 35, refueling shutdown, period,10% of the snubbers rated less edition of the ASME Code applies to whichever is less, of the snubbers approximately 10% of the than 50 kips be inservice tested.
snubbers rated less than 50 kips. PBNP installed be operability tested.
snubbers installed be has (50) snubbers listed as safety-related functionally tested.
in FSAR Table 6.2-12.
- 12) Requires that for each snubber Requires that for each snubber Requires that for each snubber found Equivalent requirement in prmciple.
determined to be unacceptable, another found inoperable, an additional inoperable, an additional 10% of that Each ensures that the examination sample sample of at least (1/2) the size of the 10% of that type snubber be type snubber be tested until no more size is expanded as necessary to ensure
[
initial lot be tested until the total number tested until no more failures are failures are found or all umts have been snubber operability.
e
= initial sample size * (1+c/2), where found or all units have been tested.
c = number of snubbers found to be tested.
unacceptable. The testing of additional sample lots is also required for snubbers determined to be unacceptable in
[
subsequent test lots. Another sample of at least (1/2) the size of the initial lot shall be tested for each subsequent snubber determined to be unacceptable.
I
- 13) Includes requirements for records Includes requirements for includes requirements for records and Equivalent requirement.
I and record keeping.
reccrds and record keeping record keeping similar to the i
similar to the requirements of requirements of OM-4.
OM-4.
- 14) Does not contain a snubber service Requires a snubber record Does not contain a snubber service life Although OM-4 and the 1986 edition of life record review requirement.
review at least once per 18 record review requirement.
the ASME Code do not require this months to verify that the service life review, this TS 15.4.13 l
indicated service life has not or requirement will be proceduralized in an will not be exceeded prior to the owner controlled document. PBNP has l
next snubber service life review.
determined that this review is useful and
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necessary.
s I
-