ML19323C840
| ML19323C840 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 05/09/1980 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML19323C836 | List: |
| References | |
| NUDOCS 8005190282 | |
| Download: ML19323C840 (3) | |
Text
500'5100PN DOCKET NO. 50-245
()
ATTACID1ENT MILLSTONE NUCLEAR POWER STATION, UNIT NO. 1 PROPOSED TECHNICAL SPECIFICATION CHANGE
\\
4 i
MAY, 1980 l
s LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREMENT (3) Leak repairs, if necessary to permit integrated leak rate testing, shall be preceded by local leak rate t
measurements where possible.
The leak rate difference, prior to and after repair when corrected to PT (43), shall be added to the final integrated leak rate result.
(4) Closure of the containment isola-tion valves for the purpose of the test shall be accomplished by the means provided for normal opera-tion of the valves.
(5) Test duration shall be at least eight hours and shall include at least 20 sets of data taken at approximately equal time intervals.
In addition, the test shall have a l
duration sufficiently long to accumulate and analyze enough data to verify that the measured leakage rate, at the 95% confidence level, is less than the acceptance criterion contained in Specifica-tion 4.7.A.3(b)(2),
t (6)
Each test shall be immediately followed l
by a verification test using a known superimposed leak in accordance with Appendix C to ANSI N45.4-1972.
The I
verification test shall have a duration sufficiently long to accumulate and analyze enough data to verify that at the 95%
confidence level the measured composite leakage lies within Amendment No. 51 July 6, 1978 3/4 7-6
LIMITING CONDITION FOR OPERATION SURVEILLANCE REQUIREMENT 0.25L of the sum of the a
superimposed leak rate and the measured overall containment leak rate.
b.
Acceptance criteria for IPCLT:
(1) The maximum al.lawable leak rate L shall r.ot exceed 1.2 p
i weight percent of the contained air per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> at the test pressure of 43 psig (P ).
p 3/4 7-6a
.