ML13308B468
| ML13308B468 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 03/06/1977 |
| From: | Ottoson H SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| RO-77-05, RO-77-5, NUDOCS 8103060038 | |
| Download: ML13308B468 (2) | |
Text
LICNSE EVENT REPORT LER 77-05 CONTROL BLOCK:
(PLEASE PRINT ALL REQUIRED INFORMATION]
1 6
LICENSEE LICENSE EVENT NAhE LICENSE NUMBER TYPE TYPE CIA SI 0 SI I 010 1-101 0j 01 01-10101 1 41 11111 11 1l 1
7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE o1CON'T[PIjP
[11
[ L 0 1510-j0121 01 61 10 12121017171 10 10 1617[7.
7 8
57 58 59 60 61 68 69 74 75
- 80.
EVENT DESCRIPTION o I While conducting the containment integrated leak rate test at accident pressure, 7
8 9 80 a leak of approximately one nercent o the sohere volume in 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, or more than 7
8 9 80 04 110 times the allowable leakaqe was noted. This event is nonrepetitive (77-05).
7 8 9 8o 0O5 I I
7 8 9 80 7
8 9 PRIME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIOLATION 07 1f Al LJ IVI EI SI SIEIL I
I B 113101 LNj 7
8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION 08 IThe leakage was the result of two holes, inadvertently drilled through the shell of 7
8 9 80 0 Ithe containment vessel.
Construction..and inspection procedures for concrete I
7 89 80 MiI [drilling will be revised.
7 8 9 80 FACILITY METHOD OF STATUS
% POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION
[D 10101 01 NA I L C NA I
7 8
9 10 12 13 44 45 46 80 FORM OF ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 12 L J L zi NAJ NA 7
8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 13 10 1010 1 LZ I
NA 7
8 9 11 12 13 80 PERSONNEL INJURIES.
NUMBER DESCRIPTION 714 1010 101 NA 7
8 9 11 12 80 OFFSITE CONSEQUENCES NA 7
8 9 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION 16 [I I
NA 7
8 9 10 80 PUBLICITY NA 7
8 9
80 ADDITIONAL FACTORS 18 NA 7
89 80 19 I.
7 89 s
NAME:
H. L. Ottoson PHONE: (714) 492-7700 so 1GPO 881 667