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{{#Wiki_filter:'
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'>                                            TVA EMPLOYEE CONCERNS         REPORT NUMBER: 232.9(B)
TVA EMPLOYEE CONCERNS REPORT NUMBER: 232.9(B)
SPECIAL PROGRAM
SPECIAL PROGRAM
( ''
(
REPORT TYPE:             SEQUOYAH ELEMENT NON-RESTART JUSTIFICATION SUMMRY REVISION NUMBER: 1 TITLE:     FREEZING 0F CONDENSATE LINES PAGE 1 0F 2 REASON FOR REVISION:
REPORT TYPE:
SEQUOYAH ELEMENT REVISION NUMBER: 1 NON-RESTART JUSTIFICATION SUMMRY TITLE:
FREEZING 0F CONDENSATE LINES PAGE 1 0F 2 REASON FOR REVISION:
To incorporate TVA consents on Rev. O.
To incorporate TVA consents on Rev. O.
m               PREPARATION PREPARED BY:
PREPARATION m
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DATE N/A MANAGER OF NUCLEAR POWER         DATE CONCURRENCE (FINALREPORTONLY) 11/08/86 - 04520 04520 - Page 1
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'ER DATE MANAGER OF NUCLEAR POWER DATE CONCURRENCE (FINALREPORTONLY) 11/08/86 - 04520 04520 - Page 1


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SEQUOYAH NUCLEAR PLANT ENGINEERING RELATED EMPLOYEE CONCERNS SPECIAL PROGRAM
SEQUOYAH NUCLEAR PLANT ENGINEERING RELATED EMPLOYEE CONCERNS
{
{
NON-RESTART JUSTIFICATION  
SPECIAL PROGRAM NON-RESTART JUSTIFICATION  


==SUMMARY==
==SUMMARY==
 
SUBCATEGORY / ELEMENT 232.9(B)
SUBCATEGORY / ELEMENT                               232.9(B)
The concern addresses a design improvement in a non-safety system that may be required to ensure more efficient operation or to eliminate a potential maintenance problem.
The concern addresses a design improvement in a non-safety system that may be required to ensure more efficient operation or to eliminate a potential maintenance problem.
4 i
4 i
ATTACHMENT:                                     List of Issues for Mechanical                 ELEMENT NO. 232.9(B)
ATTACHMENT:
Date:         11/08/86 04520 - Page 2
List of Issues for Mechanical ELEMENT NO.
232.9(B)
Date:
11/08/86 04520 - Page 2


7 h                                                                                                                                                                                         .                    .
7 h
P LIST OF MECHANICAL ISSUES
P LIST OF MECHANICAL ISSUES SON RESTART - 40 ELEE NT NUMBER 232.9 BY:
* SON RESTART - 40                                   ELEE NT NUMBER               232.9                                                                     BY:   D. L. Damon Date: 11/08/86 ELEMENT WHERE                                         RESPON-CONCERN NUMBER (5)                                                         ISSUES                 ADDRESSED                                         SIBLE   GENERAL APPROACH / METHODOLOGY FOR ELEMENT REPORT 13-85-772-005                             1. Proximity of condensate and glycol                                                                   DLD 1. Identify the location of the Air Handling Units Condensate line and glycol line           lines in Reactor Building Air                                                                                   in question.
D. L. Damon Date: 11/08/86 ELEMENT WHERE RESPON-CONCERN NUMBER (5)
running next to each other is             Handling Units may cause icing, cet a good design. Air                     clogging and reduced efficiency.                                                                           2. Walkdown the piping arrangement of the handlers in .141y/ August '84                                                                                                                             condensate and refrigerant lines and confirm were filled witn ice, causing                                                                                                                             installation per design drawings.
ISSUES ADDRESSED SIBLE GENERAL APPROACH / METHODOLOGY FOR ELEMENT REPORT 13-85-772-005 1.
Icing of drains and clogging.                                                                                                                                                          .
Proximity of condensate and glycol DLD 1.
Location: Ice Condensers (32                                                                                                                         3. Review SON Maintenance and Operation Records to air handlers) located at the                                                                                                                               determine existence and frequency of problem.
Identify the location of the Air Handling Units Condensate line and glycol line lines in Reactor Building Air in question.
Head 2 circular stairwJy up from elev. 755'-0* in Reactor                                                                                                                         4   Review ECNs and DCRs and related documentation BJilding both units. CI has                                                                                                                               on the relevant design drawings to determine if no further information.                                                                                                                                   any corrective actions are in progress or Nuclear power concern                                                                                                                                     planned.
running next to each other is Handling Units may cause icing, cet a good design. Air clogging and reduced efficiency.
: 5. Establish validity of concern and present dispositions of the issue.
2.
Walkdown the piping arrangement of the handlers in.141y/ August '84 condensate and refrigerant lines and confirm were filled witn ice, causing installation per design drawings.
Icing of drains and clogging.
Location: Ice Condensers (32 3.
Review SON Maintenance and Operation Records to air handlers) located at the determine existence and frequency of problem.
Head 2 circular stairwJy up from elev. 755'-0* in Reactor 4
Review ECNs and DCRs and related documentation BJilding both units. CI has on the relevant design drawings to determine if no further information.
any corrective actions are in progress or Nuclear power concern planned.
5.
Establish validity of concern and present dispositions of the issue.


(   f REFERENCE   - ECPSI20J-ECPSI21C                     TENNESSEE VALLEY AUTHORITY '                               PAGE                   -
f
131
(
* FREGUENCY    - L.EGUEST                               OFFICE OF NUCLEAR POWER                                   RUN TIME - 12:57:19 RUN DATE - 12/02/86
REFERENCE
* O ONP - 1555 - RWI                                     EMPLOYEE CONCERN PROGRAM SYSTEM (ECPS)
- ECPSI20J-ECPSI21C TENNESSEE VALLEY AUTHORITY '
LIST OF EMPLOYEE CONCERN INFORMATION CATEGORY: EN DES PROCESS & OUTPUT       SUBCATEGORY: 23209 FREEZING OF CONDENSATE LINES O                                   S     GENERIC                                                                 KEYWORD A H       APPL     QTC/NSRS         P                                           KEYNORD B CONCERN               SUB R PLT BBSW     INVESTIGATION       S     CONCERN                                 KEYNORD C NUM3ER       CAT   CAT D LOC FL98           REPORT         R   DESCRIPTION                                 KEYHORD D O
PAGE 131 FREGUENCY
IQ 772-005     EN   23209 N NBN NNYY     IN-85-772-005       NO CONDENSATE LINE AND GLYCOL LINE RUNN   NONCONFORMANCE T50121                           REPORT                             ING NEXT TO EACH OTHER IS NOT A GOOD   DESIGN REVIEN DESIGN. AIR NANDLERS IN JULY /AUGUS     PIPING O                                                                           T '84 NERE FILLED WITH ICE, CAUSING         PIPE ICING OF DRAINS AND CLOGGING. LOCAT ION: ICE CONDENSERS (32 AIR HANDLERS 3 LOCATED AT THE HEAD 2 CIRCULAR STA O                                                                           IRMAY UP FROM ELEV. 755'-0" IN REACT OR BUILDING BOTH UNITS. CI HAS NO F URTHER INFORMATION. NUC POWER CONCE O
- L.EGUEST OFFICE OF NUCLEAR POWER RUN TIME - 12:57:19 O ONP - 1555 - RWI EMPLOYEE CONCERN PROGRAM SYSTEM (ECPS)
RUN DATE - 12/02/86 LIST OF EMPLOYEE CONCERN INFORMATION CATEGORY: EN DES PROCESS & OUTPUT SUBCATEGORY: 23209 FREEZING OF CONDENSATE LINES O
S GENERIC KEYWORD A H
APPL QTC/NSRS P
KEYNORD B CONCERN SUB R PLT BBSW INVESTIGATION S
CONCERN KEYNORD C NUM3ER CAT CAT D LOC FL98 REPORT R
DESCRIPTION KEYHORD D O
IQ 772-005 EN 23209 N NBN NNYY IN-85-772-005 NO CONDENSATE LINE AND GLYCOL LINE RUNN NONCONFORMANCE T50121 REPORT ING NEXT TO EACH OTHER IS NOT A GOOD DESIGN REVIEN DESIGN. AIR NANDLERS IN JULY /AUGUS PIPING O
T '84 NERE FILLED WITH ICE, CAUSING PIPE ICING OF DRAINS AND CLOGGING. LOCAT ION: ICE CONDENSERS (32 AIR HANDLERS 3 LOCATED AT THE HEAD 2 CIRCULAR STA O
IRMAY UP FROM ELEV. 755'-0" IN REACT OR BUILDING BOTH UNITS. CI HAS NO F URTHER INFORMATION. NUC POWER CONCE O
I CONCERNS FOR CATEGORY EN SUBCATEGORY 23209 O
I CONCERNS FOR CATEGORY EN SUBCATEGORY 23209 O
O O
O O
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Latest revision as of 20:46, 6 December 2024

Rev 1 to Sequoyah Element Nonrestart Justification Summary, Freezing of Condensate Lines
ML20207K942
Person / Time
Site: Sequoyah  
Issue date: 12/23/1986
From: Mcnutt G, Russell J
TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20207K654 List:
References
232.9(B), 232.9(B)-R01, 232.9(B)-R1, NUDOCS 8701090567
Download: ML20207K942 (4)
v • d • e


Text

'

TVA EMPLOYEE CONCERNS REPORT NUMBER: 232.9(B)

SPECIAL PROGRAM

(

REPORT TYPE:

SEQUOYAH ELEMENT REVISION NUMBER: 1 NON-RESTART JUSTIFICATION SUMMRY TITLE:

FREEZING 0F CONDENSATE LINES PAGE 1 0F 2 REASON FOR REVISION:

To incorporate TVA consents on Rev. O.

PREPARATION m

PREPARED BY:

[2

/7/)

l 0

A' M

' SIGNATURE DATE REVIEWS VIEW COMITTEE V A-2)

" ~

SibNATURE

/ K TE nA

//

lE

,g SIGNATURE DATE CONCURRENCES h

h CEG-H:b 4 % M b' N

/2-S M

)

^

k

/

"E SRP:

SIGNATURE DATE SIGNATURE

  • DATE
  • SRP Secretary's algnature denotes SRP concurrene are in files.

APPROVED BY-('

O

/,f@f$

N/A ECSP'

'ER DATE MANAGER OF NUCLEAR POWER DATE CONCURRENCE (FINALREPORTONLY) 11/08/86 - 04520 04520 - Page 1

J.

/

SEQUOYAH NUCLEAR PLANT ENGINEERING RELATED EMPLOYEE CONCERNS

{

SPECIAL PROGRAM NON-RESTART JUSTIFICATION

SUMMARY

SUBCATEGORY / ELEMENT 232.9(B)

The concern addresses a design improvement in a non-safety system that may be required to ensure more efficient operation or to eliminate a potential maintenance problem.

4 i

ATTACHMENT:

List of Issues for Mechanical ELEMENT NO.

232.9(B)

Date:

11/08/86 04520 - Page 2

7 h

P LIST OF MECHANICAL ISSUES SON RESTART - 40 ELEE NT NUMBER 232.9 BY:

D. L. Damon Date: 11/08/86 ELEMENT WHERE RESPON-CONCERN NUMBER (5)

ISSUES ADDRESSED SIBLE GENERAL APPROACH / METHODOLOGY FOR ELEMENT REPORT 13-85-772-005 1.

Proximity of condensate and glycol DLD 1.

Identify the location of the Air Handling Units Condensate line and glycol line lines in Reactor Building Air in question.

running next to each other is Handling Units may cause icing, cet a good design. Air clogging and reduced efficiency.

2.

Walkdown the piping arrangement of the handlers in.141y/ August '84 condensate and refrigerant lines and confirm were filled witn ice, causing installation per design drawings.

Icing of drains and clogging.

Location: Ice Condensers (32 3.

Review SON Maintenance and Operation Records to air handlers) located at the determine existence and frequency of problem.

Head 2 circular stairwJy up from elev. 755'-0* in Reactor 4

Review ECNs and DCRs and related documentation BJilding both units. CI has on the relevant design drawings to determine if no further information.

any corrective actions are in progress or Nuclear power concern planned.

5.

Establish validity of concern and present dispositions of the issue.

f

(

REFERENCE

- ECPSI20J-ECPSI21C TENNESSEE VALLEY AUTHORITY '

PAGE 131 FREGUENCY

- L.EGUEST OFFICE OF NUCLEAR POWER RUN TIME - 12:57:19 O ONP - 1555 - RWI EMPLOYEE CONCERN PROGRAM SYSTEM (ECPS)

RUN DATE - 12/02/86 LIST OF EMPLOYEE CONCERN INFORMATION CATEGORY: EN DES PROCESS & OUTPUT SUBCATEGORY: 23209 FREEZING OF CONDENSATE LINES O

S GENERIC KEYWORD A H

APPL QTC/NSRS P

KEYNORD B CONCERN SUB R PLT BBSW INVESTIGATION S

CONCERN KEYNORD C NUM3ER CAT CAT D LOC FL98 REPORT R

DESCRIPTION KEYHORD D O

IQ 772-005 EN 23209 N NBN NNYY IN-85-772-005 NO CONDENSATE LINE AND GLYCOL LINE RUNN NONCONFORMANCE T50121 REPORT ING NEXT TO EACH OTHER IS NOT A GOOD DESIGN REVIEN DESIGN. AIR NANDLERS IN JULY /AUGUS PIPING O

T '84 NERE FILLED WITH ICE, CAUSING PIPE ICING OF DRAINS AND CLOGGING. LOCAT ION: ICE CONDENSERS (32 AIR HANDLERS 3 LOCATED AT THE HEAD 2 CIRCULAR STA O

IRMAY UP FROM ELEV. 755'-0" IN REACT OR BUILDING BOTH UNITS. CI HAS NO F URTHER INFORMATION. NUC POWER CONCE O

I CONCERNS FOR CATEGORY EN SUBCATEGORY 23209 O

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