ML19319D988
| ML19319D988 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 01/06/1977 |
| From: | Colombo R, Eisenhuth F SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| To: | |
| Shared Package | |
| ML19319D984 | List: |
| References | |
| NUDOCS 8003270699 | |
| Download: ML19319D988 (1) | |
Text
n LICENSEE EVENT REPORT
(
)
' CONTROL BLOCK:s l
l l
l l
l (PLEASE PRINT ALL REQUIRED INFORMATION) 1 6
NAME LICENSE NUMBEA E
TYPE lC l Al Rl Sl Sl1 l l0l0l-l0l0l0l0l0l-l0l0l l 4l 1l 1l 1l 1l l 0l1 l 1
7 09 14 15 25 26 30 31 32 b
CATEGORY TP DOCKET NUMBER EVENT DATE REPOAT DATE 01 CON'T [ P l 0 ]
l Pl lL l l0 l 5 l 0 l-l 0 l 3l 1l2 l l1 l 2 l 2 l 8 l 7l 6l l 0l 1l 0 l 6 l 7 l 7 l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCR:PTION 33 l The NSSS vendor (B&W) informed SMUD that a Westinghouse Model 59PH pressure trans-l 7 09 80.
Ql mitter may fail high when subjected to a post-LOCA environment.
This type lN 7 89 80 El l transmitter is used on the DHR isolation valve interlock. An Emergency Procedure l
7 89 80
@l was revised to include bypassing the interlock if the transmitter fails.
(R0 76-18) l [
7 89 80 90 1 1
7 89 pn,ug 80,
EE CODE CCMPONENT CODE M
FACT R
VOLATON M l ClF l W l Tl Nl SlT lR lUl lNl l Wl 1l 2l 0l lN l 7 89 10
.1 12 17 43 44 47 48 g
CAUSE DESCRIPTION N
DE l Uithin seven days following a LOCA the DHR isolation valves must be opened to permit' l 7 89 80 ~
gg j recirculation flow through the reactor core, preventing boron precipitation.
If the l 7 89 80
[] l transmitter fails above 255 psig, the valve will not open.
l'.
FACluTY METHOD OF STATUS
% POWER OTHER STATUS DISCOVEAY OfSCOVERY DESCAtPTION lE l l 1l 0l0 l l NA l
lDl l NA l
1 7 8 9
10 12 13 44 45 46 80 ACTIVITY CONTENT
]
NA l
l NA
~ !'
REll'ASE D OF AELEASE l AMOUNT OF ACTIVITY LOCATON OF AELEASE.
]l lZ l l
7 8 9
10 11 44 45 80 -
PERSONNEL EXPOSURES NUMDfR TYPE DESCA!PTON gg l0l0l0l ]
l NA l
7 89 11 12 13 80.
PERSONNEL INJUR;ES NUMBER CESCAiPTON gg l0l0l0l l NA l
7 89 11 12 80 OFFSITE CONSEOUENCES
-l g l Minimal to None l
7 09 80
-l
,l LOSS OR OAMAGE TO FACIUTY TYPE DESCRIPTICN dl NA l
1 7 89 10 80 PUBUCITY M l Local newspapers notified December 28, 1976.
l 7 89 80 S
7N AOOITIONAL FACTORS 8003270 5
]l l
-j
' v' ~ 0 9 80 DE I l Li 7 89 80 om senhth NAME:
PHONE:
GPO 881 667 i
g