05000280/LER-2076-005, Re Greater Overall Integrated Containment Leakage Rate
| ML19105A165 | |
| Person / Time | |
|---|---|
| Site: | Surry  |
| Issue date: | 05/27/1976 |
| From: | Stallings C Virginia Electric & Power Co (VEPCO) |
| To: | Moseley N NRC/RGN-II |
| References | |
| Serial No. 052 LER 1976-005-00 | |
| Download: ML19105A165 (4) | |
| Event date: | |
|---|---|
| Report date: | |
| 2802076005R00 - NRC Website | |
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.ICENSEE EVENT REPORT e USRE-S2-76-05 CONTROL BLOCK; I 1 I I I I
- I I [PLEASE PRINT ALL REGUIRED INFORMATION]
LICENSEE NAME
@El Lv !A Is IP! sl 21 7
8 9 14 CATEGORY REPORT TYPE.
6 LICENSE NUMBER lo lo I-lo Io I ol ol o!-lo lo I 15
. 25 REPORT SOURCE DOCKET NUMBER LICENSE TYPE I 411 ! 1 I 26 EVENT DATE 30 EVENT TYPE I o I 3 I 31 32 REPORT DATE
@ElcoNT I Pl o I w LJJ lo Is lo I-lo 12 Isl 11 lo I 41 2!1 !1161* I o I s 1 2 I 411 I 6 I 7
8 57 58 59 60 61 68
EVENT DESCRIPTION
.@lg] ! Perfomance of the Type A 7
8 9 69 74 75 80 I
80
@@JI 10CFR50 revealed that the 7
8 9 containment leak rate test as required by Appendix J of overall integrated containment leakage rate was greater than I 80 jo!41 j the acceptance cri terioU:.
7 8 9 The leak *rate was measured to.be
- 2989% by weight per 24
- .~: Lhours from a 7
8 9 least squares fit of the hourly calculations of the mass of air in the lol6! !containment.
7 8 9 The acceptance criterion, as specified in 10CFR50, is 0.075%/24 hour~
SYSTEM CODE
@El Isl Al 7
8 9 10
CAUSE
CODE w
11 CAUSE DESCRIPTION COMPONENT CODE Iv I A I LI vi Elx I 12 17 PRIME COMPONENT SUPPLIER L.u 43 COMPONENT MANUFACTURER z I 9 I 9 I 9J 44 47 VIOLATION L1.I 48 I
80 I
80 l
80 l£Ifil !The performance 7
8 9 of Type Band C tests of containment penetrations and isolation valves I 80
~ lis in progress.
7 8 9 Repairs will be made to leaking components as revealed by these testsJ 80 lI@.] l The results of Tyne 7
8 9 FACILITY STATUS
% POWER A.B &C leak rate tests ~be the subject of a summary (CONT'D)
OTHER STATUS METHOD OF DISCOVERY DISCOVERY DESCRIPTION
. I 80 L!_J N/A 44 45 4._6--....:.------------------8---'0 l2EJ LJiJ Io I o I o I N/A 7
8 9
10 12 13 FORM OF ACTIVITY CONTENT rn RELEASED OF RELEASE AMOUNT OF ACTIVITY uJ WI N/A LOCATION OF RELEASE N/A 7
8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE
DESCRIPTION
rr@lolol ol w IN/A 7
8 g 11 12 13 BO PERS'ONNEL INJURIES NUMBER
DESCRIPTION
EEi IO I 01 01
._N_/A _______________________ _J 7
8 9 11 12 BO OFFSITE CONSEQUE~!CES tilil N/ A 7
8 9 LOSS OR DAMAGE TO FACILITY TYPE
DESCRIPTION
[ili1 ~ N/A 7
8 9 10 PUBLICITY [if?]
N/A 7
8 9
...... -~
ADDITIONAL FACTORS 12:Ifil I The health and safety of the general public were not affected by this occurrence.
7 8 9 [Tifil 7
8 9 NAME:E* M. Sweeney, Jr_. ______________ PHONE:(804) 357-3184 80 80 80
~,
- 80.
80 GPO 861-667
CAUSE
DESCRIPTION (CONTINUED)
~-
e technical report to the Commission.
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