ML19031B180
| ML19031B180 | |
| Person / Time | |
|---|---|
| Site: | Salem  |
| Issue date: | 01/19/1977 |
| From: | Schneider F Public Service Electric & Gas Co |
| To: | O'Reilly J NRC/IE, NRC Region 1 |
| References | |
| LER 1976-028-42 | |
| Download: ML19031B180 (5) | |
Text
Frederick W. Sc.hneider Vice President Public Service Electric and Gas Company 80 Park Place Newark, N.J. 07101 201/622-7000 Production Mr. James P~ O'Reilly Director of USNRC January 19, 1977 Off ice of Inspections and Enforcements Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406
Dear Mr. O'Reill~:
LICENSE NO. DPR-70 DOCKET NO. *50-272 REPORTABLE OCCURRENCE 76-28/lT
~
-I 51 I Pursuant to the requirements of Salem Generating Station Unit
- No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 76-28/lT.
This report is required.within fourteen (14) days of the occurrence.
Unfortunately, due to an administrative error, this submittal is five (5) days late.
Sincerely, CC:
Director, Office of Inspections and Enforcements (30 copies)
Director, Office of Management Information and Program Contr (3 copies) 893 I
I j
c-------- -- -
Report Number:
Report Date:
Occurrence Date:
Facility
--28/lT 1/10/77 12/31/76 Salem Generating Station Public Service Electric & Gas Company Hancocks Bridge, New Jersey *08038 IDENTIFICATION OF OCCURRENCE:
Radioactive spill and unauthorized release.
CONDITIONS PRIOR TO OCCURRENCE:
Operational Mode 3, Plant Pressure 2235 psig, Plant Temperature 547°F.
DESCRIPTION OF OCCURRENCE:
On 12/31/76, the Shift Supervisor was notified of a liquid leak on Unit No. 2 side of the Auxiliary Building dividing wall, elevation 100'.
It was determined to be radioactive and the source to be an open-ended sample line in a tray in front of the Boric Acid Evaporator Room.
All sample isolation valves were ordered closed.
The leak continued*.
'The boron analyzer valving was checked and valves found to be open were closed.
This action terminated the flow.
All personnel in the area were checked for contamination and the area was secured.
No detectable con-tamination was found on personnel.
The estimated volume released was 240 gallons.
DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:
The cause of this occurrence was due to inadvertent opening of Unit No. 2 boric acid sample line valves, after maintenance, on the Boron Analyzer.
Lines to No. 2 Unit were not complete and liquid was spilled into a sample line tray, and down the dividing wall.
Upon the discovery of incorrect valving, the leak was immediately isolated.
ANALYSIS OF OCCURRENCE:
No detectable contamination was found on personnel.
The first estimates of-contamination levels via smears indicated approximately 4000 dpm/100cm 2 on wetted surfaces.
Air sample analysis indicated less than 1/10 mpc.
Tray smears read 138,000 dpm and W187,
C0 58, Xe 135,
NA 24 and F-18 isotopes were identified, with an effective half-life of approximately seven hours.
The estimated volume released was 240 gallons which is contained in No. 22 RHR Sump.
On 1/2/77, the calculated activity was less than.4 mpc for water in unrestricted areas and a total activity of 1.397 µci.
At no time was there any hazard to the general public or site personnel.
Report 76-28/lT 2 -
1/10/77 CORRECTIVE ACTION:
,The open ended sample line valves have been lock wired closed and capped.
An investigation is in progress to assure procedures used to isolate Unit No *. 2 fro~ the operating plant are adequat~.
FAILURE DATA:
This is the first occurrence of this type.
Equipment identification not applicable.
Prepared by __ B_. _c_a_n_f_i_e_l_d ____ _
Manager -
Salem Ge6erating Station 4-77 SORC Meeting No. ----------
LICENSEE EVENT REPORT CONTROL BLOC!<
L.!CENSEE L.ICENSE EVENT NAME L.lCENSE NUMBER TYPE TYPE
~~NjJjSjGISl\\l jp!ol-!O!OIOIO!O!-!Olg~ k4lll ll ll 1~ ~
REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT CATE REPORT CATE loTil CON'Tf p I 0 I L1J L1:J I 0 I 51 0 ! -I 0 I 21 71 21 11 I 2 I 3 11 17 I 6 I l 0 111 l l 0 I 7 I 6J
~
57 58 59 60 61 68 69 74 75 EVENT OESCR!PTION
@lil I During Hode 3, the Shift Supervisor was notified of a liquid le.ak on 112 I 7
B 9 00
@IT]
Unit side of the Auxiliary Building dividing wall, elev. 100'. It was 7
8 9
@El determined to be radioactive and the source to be an open-ended sample 7
8
@Jfill line in a tray in front of the Boric Acid Evaporator Room.
All sample 7
8 9
~I isolation valves were ordered closed.
The leak continued.
The boron 7
B 9 SYSTEM
~1 pl 0i1 7
8 9 10 CAUSE cooe:
LA.l 11 CAUSE DESCRIPTION COMPONENT COOE lZIZIZIZIWJ 12 17 PRIME COMPONENT SUP<>L.IER L2J 43 COMPONENT MANUFACTURER I z 19 19 19 I 44 47 VIOL.ATION w
48 I
eo I
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@))I The cause of this occurrence was due to inadvertent opening of Unit ff2 J
~9 l.2..12JI boric acid sample line valves, after maintenance, on so the Boron Analyzer.!
7 8 9
[1£]1 Lines
. 7 8 9 12))
7 0
FACIL.ITV
-STATUS LQJ.
9.
FORM OF to No. 2 Unit were not complete and liquid was spilled into METHOO OF
'J<oPOWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION 10 lo 10 I 10 12 l~~~N~/~A,__~__.I lEJ 13
~
45 N/A ACTIVITY CONTENT co a samp~e EO REL.EASED OF REL.EASE AMOUNT OF ACTIVITY GliJ W
LRJ
- 11. 397µCi Total I
LOCATION OF REL.EASE I Sample Room to. Unit 2 El. 100' 7
8 9
10 11 44 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION
[ili]!O IO I 0 I lZJ I
N/A j
1 a e 11 12 1~3,..._~~~-"-'-'-=-';:__~~~~~~~~~~~~~--~~~~~-~~~80~
PERSONNEL INJURIES NUMBER DESCRIPTION (IE]10[010 I NA 7
8 9 11 12 OFFSITE CONSEQUENCES
~
NA LOSS OA DAMAGE TO FACILITY f":"T:l TVP1" DESCRIPTION
.. L.!2.11 Z I L_I,--------...:.:N:.L../.:.:.A ______ --:------------d 7 as to PUBLICITY GE 1
8~9~~~~~~~-~-~~-=.~>--~--~~~~~~~~~~~--~~-~~~~-ao~
ADDITIONAL FACTORS
~I Informed New Jersey.Bureau of.Radiation Protection.
1 a 9 ITEJI EVENT DESCRIPTION & CAUSE DESCRIPTION (Continued on Page 2) 7 8 ~
I 00 I
eo NAME: _______
B_._._E_._c_a_n_f_i_e_l_d ___ _
PHONE: (609) 365-7000 Ext.Salem-525
e License Event Report 76~28/lT Page 2 EVENT DESCRIPTION (Continued) analyzer valving was checked and valves found to be open were closed.
This terminated the flow.
All personnel in the.area were checked for contamination and the area was secured.
No detectable contamination was found on personnel.
The estimated volume released was 240 gallons.
This is the first occurrence of this type.
Redundant systems do not exist.
(76-28/lT).
CAUSE DESCRIPTION (Continued) line tray, and down the dividing wall.
Upon the discovery of incorrect valving, the leak was immediately isolated.
Manufacturers nameplate data is not applicable.