ML19308D245
| ML19308D245 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 02/16/1977 |
| From: | Stewart W FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19308D235 | List: |
| References | |
| NUDOCS 8002270700 | |
| Download: ML19308D245 (1) | |
Text
._- -.
(b LICENSEE EVENT REPOHT (p,)
CONTROL 8 LOCK:l l
l l l l
l
[PLEASE PRINT ALL REQUIRED INFORMATION) 8 NAME LCENSE NUMBER VPE TV E I F1 tl cl RI e131 10101-l 0101010l 01 -IO I 0 l I 4 l 111.11 l 1l l 0l 11 7 89 14 15 25 26 30 31 32 CATEGORY T
R DOCKET NUMBER EVENT OATE REPORT OATE h CLNT l
- l
- l
[ P_)
(_I. l l0 l5 l0 l-l 0 l 3 l 0l 2l l0 l2 l1 l 0 l 7 l 7 l l0 l2 11 l6l7l7l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION Q j During cleanup of Reactor Coolant System after injection of NaOH, Boron concentration l 7 89 80 SE l was diluted by 23C ppm.
Mixed bed demin. placed in service instead of cation bed as l
7 89 80 EE l intended. Redundant systems were available.
Second inadvertent deboration.
First l
7 89 80
@ l from this cause. ! fixed bed immediately by-passed.
Added boric acid immediately.
Be-l 7 89 80 DE lcause of the Reactor Coolant cleanup operation in progress, (Cont'd-Additional Factorsl 7 89 (77-12) 80 paue E
CODE COMPONENT CODE R
MAP R
VIOLATON EE l Cl Cl W l D l E l Ml IlN l X l lNl l Bl 0l 1] 5l
[Nj 7 89 10 11 12 17 43 44 47 48_
CAUSE DESCF11PTION DE l Personnel erred in loading mixed bed vice cation to demin. Operators cautioned to l
7 89 80 l carefully check resins before introduction to systems.
Also, all drums clearly l
89 80 l marked to preclude recurrence.
l SA S
% POWER OTHER STATUS O SCOVERY OrSCOVERY OESCR6PTON y
l0l0l0l l Mode 5 l ]
l Result of special 30 min. analysis l 1
7 8 9
10 12 13 44 45 48 80 REL E SED OF EL SE AMOUNT OF ACTMTV LOCATON OF RELEASE
(_j Ul N/A l
.l l
7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBE R TYPE DESCR* TON DE l l l l Ul N/A l
7 89 11 12 13 80 PERSONNEL INJURIES NUMBER OESCRIPTON BE I I l l l
N/A l
7 89 11 12 80 OFFSITE CONSEQUENCES gg l N/A l
7 89 80 LOSS OR OAMAGE TO FACluTY 8 0 02 270 20C TYPE DESCRIPTON D] U l
N/A l
7 89 10 80 PUBLICITY E1E l N/A l
89 80 ADDITIONAL FACTORS (Event Description Continued) special Boron analyses were being per-l formed at intervals o f approximately thirty (30) minutes to identifv Boron changes, l
7 8 9 and during this time period, inverse count rate ratios were continally monitored to 80 assure safe conditions. Shutdown margin was maintained at least 8.51% AK/K, assuming l <
19 l rho hichose worth con trol rod withdrawn. - Actual shutdown marcin (hichest uorth rod 7 8 9 inserted) was greater than 11% AK/K.
80 NAME:
W. P. Stewart
( dg (813) 866-4159 PHONE:
..