ML18139B216: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
(Created page by program invented by StriderTol)
Line 17: Line 17:


=Text=
=Text=
{{#Wiki_filter:* NRC FORM 366 {7-771 UPDATE REPORT e LICENSEE EVENT REPORT U.aCLEAR REGULATORY COMMISSION PREVIOUS REPORT DATE 04/24/80 CONTROL BL.OCK: I I I';\ (PLEASE PRfNT OR TYPE ALL REQUIRED INFORMATION)
{{#Wiki_filter:{7-771
~1 --------------.6
* NRC FORM 366 UPDATE REPORT e                                                             U.aCLEAR REGULATORY COMMISSION PREVIOUS REPORT DATE 04/24/80 LICENSEE EVENT REPORT CONTROL BL.OCK:             I~1--------------.6I\.!..I           I';\                (PLEASE PRfNT OR TYPE ALL REQUIRED INFORMATION)
\.!..I ~IV! Al SI Pl SI 7 8 9 l.lCENSEE CODE 1 101 ° 1° I-I O I O I O I O I O l-I O I O 101 4 1 1 1 1 1 1 1 1 101 I I© 14 1S l.lCENSE NUMBEl'i 25 26 l.lCENSE TYPE ;JO 57 CAT ss* CON'T [iliJ '. 8  
~ I V ! Al SI Pl SI 1 101 ° 7     8     9       l.lCENSEE CODE               14      1S 1° I-     I O I O I O I O I O l-l.lCENSE NUMBEl'i I O I O 101 4 11 11 11 11 101 25     26       l.lCENSE TYPE       ;JO I
~©Io 1 5 1 o I o I o 1 2 1 8 1 o 101 o 1 3 I 2 I 7 I 8 I o I© I o I 3 I 21 11 8 I 1 I 0 60 61 DOCKET NUMBER 6S 69 EVENT CATE 74 75 REPORT CATE SO EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@)  
57 CAT ss*
/During the performance of l-PT-39B-l, Inaccessible Snubbers Visual Inspection, snub-[[II] lbers l-RC-HSS-116 and l-RC-HSS-117 were discovered installed improperly, i.e. 90° out! [[II] jof position.
I© CON'T
The snubbers were declared inoperable. .This event is reportable in CI:I]J 1accordance with Tech. Spec. 6.6.2.b.(2).
[iliJ
Since no seismic disturbances were []J:[) lenced while the unit was at power, the health and safety of the public were not [[]I) affected [IT[] 7 8 g 80 [ill] 7 8 SYSTEM cooE le IB I@ 9 10 @ I.ER/RO CVENT YEAR REPORT j 8 i O i NUMBER 21 22 CAUSE CAUSE COMP. cooe suecooe COMPONENT cooe suecooE LLJ@ Ll.J@) js ju IP !o !R !T I@ lE...J@) 11 12 13 18 19 SEQUENTIAi.
'. 8
OCCURRENCE REPORT REPORT NO. COOE TYPE VAi.VE SUBCOOE l!.J@ 20 I I 1° I 2 1 2 1 I .,..I 10 I 3 I l!_J l=J 23 24 26 27 2S 29 30 31
                  ~~~~~        ~©Io 15 1o I o I o 1 2 60            61              DOCKET NUMBER 1 8 1o 101 6S      69 o 13 I 2 I 7 I 8 I o I© I oI 3 I EVENT CATE             74       75 21 REPORT CATE 11    8I 1I SO 0
* ACTION FUTURE EFFl:C"T' SHUTt>OWN
EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@)
* t.:::\22 A'iiACHMENT NPRD-4 PRIME COMP. TAKEN ACTION ON Pl.ANT METHOD HOURS SUBMl'iiEO FORM:;ue.
            /During the performance of l-PT-39B-l, Inaccessible Snubbers Visual Inspection, snub-
SUPPi.i ER LI@W@ UJ@ L!.1 I 01 01 01 01 l!.J@. l..!..J@)
[[II] lbers l-RC-HSS-116 and l-RC-HSS-117 were discovered installed improperly, i.e. 90° out!
W@) 3:3 34 3S 36 37 40 41 42 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @ REVISION NO. l2J 32 COMPONENT MANUFACTURER I GI 2 1 5 I 5 1 44 47 DJ]] JThe snubbers were installed improperly due to deficiency of the design change utilizeq CIIlJ Ito correct pipe support deficiencies discovered under IE Bulletin 79-14. The snubber§ o:::uJ 1 will be purged and installed properly prior to unit start-up.
[[II] jof position.                           The snubbers were declared inoperable.                                       .This event is reportable in CI:I]J 1accordance with Tech. Spec. 6.6.2.b.(2).                                                     Since no seismic disturbances were experi-
D:u]I..._
[]J:[) lenced while the unit was at power, the health and safety of the public were not
_______________________________________
[[]I) affected
_ CIEJ 7 8 9 AA~LITY STATUS % POWER OTHEi'I STATUS \::::;/ tITIJ lQJ@) ! 0 I O I O l .... I _N __ /A_. ----8 9 10 12 1'3 ACTIVITY CONTENT /.:';\ REl.EASeo OF RELEASE . AMOUNT OF ACTIVITY l2liJ @ Li@)_I ___ N_/ A ____ _ 1
[IT[]
* a 9 10 11 80 METI-IOD OF DISCOVERY DESCRIPTION
7       8 g                                                                                                                                                                         80 SYSTEM               CAUSE         CAUSE                                                       COMP.           VAi.VE cooE                  cooe       suecooe                 COMPONENT cooe                     suecooE         SUBCOOE
*@ DISCOVERY l!J@1* Personnel observation 44 45 46 80 N/A _LOCATION OF RELEASE @ 44 45 80 7 PERSONNEL EXPOSURES Q. NUMBER /;;":;\TYPE(.;;;\
[ill]
DESCRIPTION
7      8 le 9
[QI] 10 IO IO '~~.....__N_/A
IB 10 I@ LLJ@ Ll.J@)           12 js ju IP !o !R !T I@
_________________________
13                              18 lE...J@) l!.J@
____, 1 a g 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION 41 [iliJ 10 t O I Ol@~ ___ I_A_. ___________________
19              20 11 SEQUENTIAi.                         OCCURRENCE           REPORT                       REVISION I.ER/RO CVENT YEAR                                        REPORT NO.                               COOE               TYPE                           NO.
__,... ___ _ 7 8 9 11 12 so LOSS OF OR OAMAGE TO l"ACILJTY  
            @     REPORT NUMBER j  8 O i i              I23 I         1° I 2 1 2261 I27.,..I                 10 I 329I            l!_J           l=J           l2J 21          22                          24                                     2S                   30             31             32
'43\ TYPE DESCRIPTION I;::) DJ1) ~@. *
* ACTION       FUTURE               EFFl:C"T'         SHUTt>OWN
* N/A 7 8 9 10 so PUBLICITY C,.. R 5-0 ISSUEOt,;:;\
* t.:::\ A'iiACHMENT       NPRD-4         PRIME COMP.             COMPONENT TAKEN       ACTION             ON Pl.ANT           METHOD                   HOURS   ~22      SUBMl'iiEO       FORM:;ue.         SUPPi.i ER           MANUFACTURER LI@W@
DESCRIPTION~
3:3          34 UJ@
N C U c: NL y ., IIli] Ui..J~--*-*  
3S L!.1 I 01 01 01 01 36              37                    40 l!.J@.
--**_.:;.;N  
41 l..!..J@)
..... A...__ ______________
42 W@)
___. I j I II I I II I II I ! 7 8 9 10 68 69 80 ; J. L. W:Hson NAME OF PC>EPARE;;-----------------
43 I GI 2 15 I 5 1 44             47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS                                @
PUQNE: (804) 357-3184 o 8104020648 e SURRY POWER DOCKET NO: REPORT NO: EVENT DATE: STATION UNIT NO. 1 50-280 80-022/03X-l 03-27-80 TITLE OF EVENT: SNUBBERS l-HSS-RC-115/116 IMPROPERLY INSTALLED
DJ]]       JThe snubbers were installed improperly due to deficiency of the design change utilizeq CIIlJ       Ito correct pipe support deficiencies discovered under IE Bulletin 79-14.                                                                               The snubber§ o:::uJ 1will be purged and installed properly prior to unit start-up.
: 1. DESCRIPTION OF EVENT: During the performance of l-PT-39B-l, Inaccessible Snubbers Visual Inspection, snubbers l-RC-HSS-116 and l-RC-HSS-117 were discovered installed improperly, i.e. 90° out of proper position.
D:u]I..._________________________________________
CIEJ8 7           9                                                                                                                                                                     80
                                                                                    ~
AA~LITY STATUS               % POWER                         OTHEi'I STATUS \::::;/
METI-IOD OF DISCOVERY                              DISCOVERY DESCRIPTION          *@
tITIJ lQJ@) ! 0 I O I O lI...._N__/A_.- - - - l!J@1*
7      8   9               10               12       1'3                             44    45 Personnel observation 80 46 ACTIVITY         CONTENT                                               /.:';\
REl.EASeo OF RELEASE .                         AMOUNT OF ACTIVITY                                                       _LOCATION OF RELEASE        @
l2liJ       ~      @ Li@)_I___N_/A_ _ _ __                                                                            N/A 1
* a     9               10           11                                           44           45                                                                         80 PERSONNEL EXPOSURES                                 Q.
NUMBER         /;;":;\TYPE(.;;;\ DESCRIPTION
[QI]       10   IO IO         '~~.....__N_/A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _____,
1     a     g               11       12         13 PERSONNEL INJURIES                     ~
[iliJ 10         t OI Ol@~___I_A_._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___,...____
NUMBER                DESCRIPTION 41 7     8   9                 11       12                                                                                                                                         so LOSS OF OR OAMAGE TO l"ACILJTY TYPE        DESCRIPTION
                                                          '43\
I;::)
DJ1) ~@.                             *
* N/A 7     8   9             10                                                                                                                                                       so PUBLICITY                   C,..                                                                                                               R     5- 0 ISSUEOt,;:;\ DESCRIPTION~                                                                                                                           N C U c:   NL y       .,
IIli] Ui..J~--*-*--**_.:;.;N.....A...___ _ _ _ _ _ _ _ _ _ _ _ _ ____.                                                                                 I j   I II I I II     I II I !
7     8   9             10                                                                                                                   68   69                           80 ;
J. L. W:Hson                                                                   (804) 357-3184                            o NAME OF P C > E P A R E ; ; - - - - - - - - - - - - - - - - -                                         PUQNE:
8104020648
 
e SURRY POWER STATION UNIT NO. 1 DOCKET NO:      50-280 REPORT NO:      80-022/03X-l EVENT DATE:    03-27-80 TITLE OF EVENT:   SNUBBERS l-HSS-RC-115/116 IMPROPERLY INSTALLED
: 1. DESCRIPTION OF EVENT:
During the performance of l-PT-39B-l, Inaccessible Snubbers Visual Inspection, snubbers l-RC-HSS-116 and l-RC-HSS-117 were discovered installed improperly, i.e.
90° out of proper position. The snubbers were declared inoperable. This event is reportable in accordance with Tech. Spec. 6.6.2.b,2.
: 2. PROBABLE CONSEQUENCES:
The snubbers were installed with the reservoir below the valve block. This could have caused air intro~uction into the valve block or cylinder thus preventing the snubbers from performing their intended function. However, since no seismic disturbances were encountered while the Unit was at power, the health and safety of the public were not affected.
: 3. CAUSE OF EVENT:
The snubbers were ins~alled improperly due to a dificiency of the design change utilized to correct pipe support deficiencies discovered under IE Bulletin 79-14.
: 4. IMMEDIATE CORRECTIVE ACTIONS:
The snubbers were declared inoperable.
The snubbers were declared inoperable.
This event is reportable in accordance with Tech. Spec. 6.6.2.b,2.
: 5. SUBSEQUENT CORRECTIVE ACTIONS:
: 2. PROBABLE CONSEQUENCES:
The snubber end mounting bracket will be removed, rotated 90° and reinstalled.
The snubbers were installed with the reservoir below the valve block. This could have caused air intro~uction into the valve block or cylinder thus preventing the snubbers from performing their intended function.
The snubber will be purged and reinstalled in the proper orientation pr,ior to Unit Startup.
However, since no seismic disturbances were encountered while the Unit was at power, the health and safety of the public were not affected.
: 6. ACTION TAKEN TO PREVENT RECURRENCE:
: 3. CAUSE OF EVENT: The snubbers were ins~alled improperly due to a dificiency of the design change utilized to correct pipe support deficiencies discovered under IE Bulletin 79-14. 4. IMMEDIATE CORRECTIVE ACTIONS: The snubbers were declared inoperable.
: 5. SUBSEQUENT CORRECTIVE ACTIONS: The snubber end mounting bracket will be removed, rotated 90° and reinstalled.
The snubber will be purged and reinstalled in the proper orientation pr,ior to Unit Startup. 6. ACTION TAKEN TO PREVENT RECURRENCE:
Design personnel have been apprised of the importance of proper snubber orientation.
Design personnel have been apprised of the importance of proper snubber orientation.
7, GENERIC IMPLICATIONS:
7, GENERIC IMPLICATIONS:
The Visual Inspection performed at Unit shutdown covers all snubber installations.
The Visual Inspection performed at Unit shutdown covers all snubber installations.
Since no other snubbers were discovered installed improperly, this event possesses no generic implications.}}
Since no other snubbers were discovered installed improperly, this event possesses no generic implications.}}

Revision as of 03:15, 21 October 2019

Updated LER 80-022/03X-1:on 800327,snubbers 1-RC-HSS-116 & 1-RC-HSS-117 Found Out of Position During Inaccessible Snubbers Visual Insp 1-PT-39B-1.Caused by Improper Installation Due to Design Change Deficiency
ML18139B216
Person / Time
Site: Surry Dominion icon.png
Issue date: 03/27/1981
From: Joshua Wilson
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18139B212 List:
References
IEB-79-14, LER-80-022-03X, LER-80-22-3X, NUDOCS 8104020648
Download: ML18139B216 (2)
v • d • e


Text

{{#Wiki_filter:{7-771

  • NRC FORM 366 UPDATE REPORT e U.aCLEAR REGULATORY COMMISSION PREVIOUS REPORT DATE 04/24/80 LICENSEE EVENT REPORT CONTROL BL.OCK: I~1--------------.6I\.!..I I';\ (PLEASE PRfNT OR TYPE ALL REQUIRED INFORMATION)

~ I V ! Al SI Pl SI 1 101 ° 7 8 9 l.lCENSEE CODE 14 1S 1° I- I O I O I O I O I O l-l.lCENSE NUMBEl'i I O I O 101 4 11 11 11 11 101 25 26 l.lCENSE TYPE ;JO I 57 CAT ss* I© CON'T [iliJ '. 8 

                  ~~~~~        ~©Io 15 1o I o I o 1 2 60             61               DOCKET NUMBER 1 8 1o 101 6S      69 o 13 I 2 I 7 I 8 I o I© I oI 3 I EVENT CATE             74       75 21 REPORT CATE 11    8I 1I SO 0

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@) 

            /During the performance of l-PT-39B-l, Inaccessible Snubbers Visual Inspection, snub-

[[II] lbers l-RC-HSS-116 and l-RC-HSS-117 were discovered installed improperly, i.e. 90° out! [[II] jof position. The snubbers were declared inoperable. .This event is reportable in CI:I]J 1accordance with Tech. Spec. 6.6.2.b.(2). Since no seismic disturbances were experi- []J:[) lenced while the unit was at power, the health and safety of the public were not [[]I) affected [IT[] 7 8 g 80 SYSTEM CAUSE CAUSE COMP. VAi.VE cooE cooe suecooe COMPONENT cooe suecooE SUBCOOE [ill] 7 8 le 9 IB 10 I@ LLJ@ Ll.J@) 12 js ju IP !o !R !T I@ 13 18 lE...J@) l!.J@ 19 20 11 SEQUENTIAi. OCCURRENCE REPORT REVISION I.ER/RO CVENT YEAR REPORT NO. COOE TYPE NO. 

            @      REPORT NUMBER j  8 O i i               I23 I          1° I 2 1 2261 I27.,..I                  10 I 329I            l!_J            l=J            l2J 21          22                          24                                      2S                    30             31             32
  • ACTION FUTURE EFFl:C"T' SHUTt>OWN
  • t.:::\ A'iiACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON Pl.ANT METHOD HOURS ~22 SUBMl'iiEO FORM:;ue. SUPPi.i ER MANUFACTURER LI@W@

3:3 34 UJ@ 3S L!.1 I 01 01 01 01 36 37 40 l!.J@. 41 l..!..J@) 42 W@) 43 I GI 2 15 I 5 1 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @ DJ]] JThe snubbers were installed improperly due to deficiency of the design change utilizeq CIIlJ Ito correct pipe support deficiencies discovered under IE Bulletin 79-14. The snubber§ o:::uJ 1will be purged and installed properly prior to unit start-up. D:u]I..._________________________________________ CIEJ8 7 9 80 

                                                                                    ~

AA~LITY STATUS  % POWER OTHEi'I STATUS \::::;/ METI-IOD OF DISCOVERY DISCOVERY DESCRIPTION *@ tITIJ lQJ@) ! 0 I O I O lI...._N__/A_.- - - - l!J@1* 7 8 9 10 12 1'3 44 45 Personnel observation 80 46 ACTIVITY CONTENT /.:';\ REl.EASeo OF RELEASE . AMOUNT OF ACTIVITY _LOCATION OF RELEASE @ l2liJ ~ @ Li@)_I___N_/A_ _ _ __ N/A 1

  • a 9 10 11 44 45 80 PERSONNEL EXPOSURES Q.

NUMBER /;;":;\TYPE(.;;;\ DESCRIPTION [QI] 10 IO IO '~~.....__N_/A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _____, 1 a g 11 12 13 PERSONNEL INJURIES ~ [iliJ 10 t OI Ol@~___I_A_._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ___,...____ NUMBER DESCRIPTION 41 7 8 9 11 12 so LOSS OF OR OAMAGE TO l"ACILJTY TYPE DESCRIPTION 

                                                         '43\

I;::) DJ1) ~@. *

  • N/A 7 8 9 10 so PUBLICITY C,.. R 5- 0 ISSUEOt,;:;\ DESCRIPTION~ N C U c: NL y .,

IIli] Ui..J~--*-*--**_.:;.;N.....A...___ _ _ _ _ _ _ _ _ _ _ _ _ ____. I j I II I I II I II I ! 7 8 9 10 68 69 80 ; J. L. W:Hson (804) 357-3184 o NAME OF P C > E P A R E ; ; - - - - - - - - - - - - - - - - - PUQNE: 8104020648

e SURRY POWER STATION UNIT NO. 1 DOCKET NO: 50-280 REPORT NO: 80-022/03X-l EVENT DATE: 03-27-80 TITLE OF EVENT: SNUBBERS l-HSS-RC-115/116 IMPROPERLY INSTALLED

1. DESCRIPTION OF EVENT:

During the performance of l-PT-39B-l, Inaccessible Snubbers Visual Inspection, snubbers l-RC-HSS-116 and l-RC-HSS-117 were discovered installed improperly, i.e. 90° out of proper position. The snubbers were declared inoperable. This event is reportable in accordance with Tech. Spec. 6.6.2.b,2.

2. PROBABLE CONSEQUENCES:

The snubbers were installed with the reservoir below the valve block. This could have caused air intro~uction into the valve block or cylinder thus preventing the snubbers from performing their intended function. However, since no seismic disturbances were encountered while the Unit was at power, the health and safety of the public were not affected.

3. CAUSE OF EVENT:

The snubbers were ins~alled improperly due to a dificiency of the design change utilized to correct pipe support deficiencies discovered under IE Bulletin 79-14.

4. IMMEDIATE CORRECTIVE ACTIONS:

The snubbers were declared inoperable.

5. SUBSEQUENT CORRECTIVE ACTIONS:

The snubber end mounting bracket will be removed, rotated 90° and reinstalled. The snubber will be purged and reinstalled in the proper orientation pr,ior to Unit Startup.

6. ACTION TAKEN TO PREVENT RECURRENCE:

Design personnel have been apprised of the importance of proper snubber orientation. 7, GENERIC IMPLICATIONS: The Visual Inspection performed at Unit shutdown covers all snubber installations. Since no other snubbers were discovered installed improperly, this event possesses no generic implications.}}

Retrieved from "https://kanterella.com/w/index.php?title=ML18139B216&oldid=1933342"