ML20234F508
| ML20234F508 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry, Sequoyah, 05000000 |
| Issue date: | 06/26/1987 |
| From: | Phillips R, Woods T TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML082420107 | List: |
| References | |
| SI-714, NUDOCS 8709230147 | |
| Download: ML20234F508 (36) | |
Text
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TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT SURVEILLANCE INSTRUCTION SI-714 j
EXTRACTION STEAM P1PE WALL DEGRADATION MONITORING PROGRAM l
Units 1 and 2
's l
Revision 0 l
1 PREFARED BY:
T. R. Woods /R. L. Phillips j
RESPONSIBLE SECTION:
Materials Engineering (DNE)
REVISED BY:
SUBMITTED BY:
Responsible Section Supe'rfisor JUN 261987 i
PORC REVIEW DATE:
s 27/,,,,,
APPROVED BY:
Pl' ant Manager JUN 261987 DATE APPROVED:
Reason for revision (include all Instruction Change Form Nos.):
New instruction.
The last page of this instruction is number:
33 8709230147 070918 ADOCKOSOOg9 DR
f e
1 Page 5 Standard Practice SQA188 Revis,lon 1 SEQUOYAH NUCLEAR PLANT Procedure Interface / Concurrence Coversheet ATTACHMENT 1 Interim procedure system coordination / documentation
{
record for SI-714 Rev Level 0
Procedure Identity Number RESPONSIBLE SECTION:
Submitted By:
/ 4/tr/jff Responsible Section S0pervisor Date
~
CONCU
'C APPROVAL:
AD C/ezd77' Engineering
/
Date ANA Consttu/ction Date dA Safety and Licensing
. Date
~
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[0f21.d aC QualLtt fAsurance
' Date A//l Af4/2.-C/z.,-/21
/l /Z W f f Engineerin Assurance Date
.h h L
Division 6f Nuclear Services Date Y
Nuclear Per onnel Staff Date Planning ind Financial Staff Date A//F Other (itentify)
Date
$ D 8~)
~
1 e Director
/ Datp Reason for Concurrence:
~~
To document headquarters endorsement of existing site instruction in lieu of higher tier document number t
To document transfer of responsibility.
To document concurrence of procedure interface.
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SEQUOYAH NUCLEAR PLANT PLANT INSTRUCTION REVISION LOG i
SURVEILLANCE INSTRUCTION SI_7j4 REVISION Date Pages
. REASON FOR REVISION (INCLUDE COMMIT-LEVEL Approved Affected MENTS AND ALL ICF FORM NUMBERS)
JUN 2 6 1987 All New instruction.
0 l-l i
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SQN SI-714 Page 1 Revision 0 EXTRACTION STEAM PIPE WALL DEGRADATION MONITORING PROGRAM - UNITS 1 AND 2 1.0 SCOPE This surveillance consist of ultrasonic testing of localized areas of extraction steam piping to monitor pipe wall thinning.
Information obtained from this surveillance will be used.to determine repair or replacement intervals to preclude unanticipated throughwall failures.
l.1 Requirements 1.1.1 Purpose - to provide a method of monitoring degradation of the extraction steam piping system.
1.1.2 Technical Specifications - None 1.1.3 Piping operability Modes 4 1.1.4 Performance mode (s) - 5 or 6 1.1.5 Frequency - Once per scheduled outage 1.1.6 Additional Manpower Requirements 1.1.6.1 Carpenters for scaffolding, when required.
1.1.6.2 Insulators to remove insulation, when required.
4 1.1.6.3 Painters to paint 2" x 2" squares, when required.
1.1.6.4 Quallfled ultrasonic test ISI inspector.
1.2 Responsibilities
~
1.2.1 Materials Engineering Section/DNE/ Operations Engineering Services (OES) will:
1.2.1.1 Initiate the SI for ultrasonic test (UT)
]
1.2.1.2 Review and trend result of UT 1.2.1.3 Respond per Appendix A, as applicable.
1.2.2 In Service Inspection - Non Destructive Examination (ISI/NDE) Group will:
1.2.2.1 Initiate work request (WR) to remove and install insulation, as required.
1828R/lgm
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SON SI-714 Page 2 Revision 0
- 1. 0 '
SCOPE (continued)
' 1.' 2 Responsibilities (continued) 1.2.2.2 Initiate WR to have 2" x 2" squares painted on surface, as required.. Grid shall cover welds in pipe including interfacing welds between fittings and pipe.
1.2.2.3 Have scaffold built, when required.
l 1.2.2.4 Have Radiological Control (RC) survey area if.
a leak has occurred.
1.2.2.5 Perform TI-51 (N-UT-26) on extraction steam piping.
1.2.2.6 Respond per Appendix A, as applicable.
1.2.2.7 Prepare data package.
2.0 REFERENCES
2.1 Ultrasonic testing proc,edure TI-51 (N-UT-26).
2.2 Memo from J. P. Vineyard to H. B-Rankin dated June 26, 1985,
" Minimum Wall Acceptance Criteria for Extraction Steam Piping" (B25-85-0626-007)-
2.3 Memo from J. M. Miller to C. R. Brimer dated December 4, 1984,
" Inspection of Crossaround Piping, Target Tees, and Extraction Steam Piping for Wall Degradation" (L29 841203 983) i 2.4 TI-78, " Inspection Program for Steam / Water Erosion and Corrosion of Raw Water Carbon Steel Pipe: 25 Mechani. cal Extraction Steam Piping Drawing 47W410-1,
-2,
-3, -4 3.0.
PREREQUISITES 3.1 Verify plant is in mode 5 or 6 prior to ultrasonic test.
3.2 Notify Shift Engineer prior to start of this surveillance.
3.3 Contact RC, if required, prior to ultrasonic testing.
f i
1828R/1gm
SON
.SI-714 Page 3 Revision 0 4.0 PRECAUTIONS 4.1 Use safety belts as required when' working off of scaffolding.
4.2 Check that scaffolding is tagged prior to use.
5.0 SPECIAL TEST EOUIPMENT 5.1 Ultrasonic test instrument USL-38 or equivalent.
6.0 INSTRUCTIONS 6.1 Perform UTs in accordance with TI-51 (N-UT-26) on piping as described on location Sheet and Sketches.
6.2 Record low measurements for each grid quadrant on TI-51 (N-UT-26) data sheet or equivalent.
6.3 Testing should start adjacent to weld, if applicable.
6.4 Document test'results.on TI-51 (N-UT-26) data sheet or equivalent to show any weld, obstruction, protrusion, curvature of pipe, etc.
6.5 Record lowest reading of wall thickness per grid in minimum detected column on Data Sheet 1.
6.6 Record the degradation location.from TI-51 (N-UT-26) data sheet and affected area size of lowest reading on Data Sheet 1.
i 6.7 Compare minimum detected wall thickness with the review criteria on Data Sheet 1.
6.8 If the measurement meets the review criteria, initial and date the applicable grid on Data Sheet 1.
If the_ wall thickness falls to meet the review criteria, see Appendix A.
6.9 Assemble Data Package with Cover Sheet.
l 1828R/lgm
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SON SI-714 Page 4
- Revision 0 7.0
'ACCEPTkNCECRITERIA 7.1-When wall loss exceeds review criteria as shown on Data Sheets l' and 2, piping shall be evaluated for continued' operation.
The OES Materials ~ Engineering Section shall examine the ultrasonic test data:and determine if the piping is suitable for continued operation, or.make recommendations regarding corrective actions i
to restore system integrity.
L M
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_ = - _ - _ _ - _ _ _ _ _ _ _ _
SQN SI-714 Page.S.
. Revision 0 ATTACHMENT.1 Page 1 of 2 SI DATA PACKAGE C0VER SHEETL EXTRACTION STEAM PIPE WALL DEGRADATION MONITORING PROGRAM Date/ Time Started Date/ Time Complete.
Performed By N.
ii Permission to perform test (SRO)
/
Name Date
~ Reason for test (2)
Required by schedule-
' Maintenance. complete on (Instruction
.)
Another system (
) inoperable i
Plant condition (explain)
Other (explain)
List of data sheets attached.
No. of Instruction No.
Data Sheet No.
Paces SI 714 TI51 (N-UT-26)
.i Did all SI data meet acceptance criteria:
Yes No Verified by:
/
Signature and Title date If criteria were not satisfied, notify the SE who completes the following:
Was A Potential Reportable Occurrence Initiated?
,Yes No Was a LCO action required?
Yes (explain in remarks)
No (explain in remarks) l Verified By Date SE Time 1828R/lgm 1
l
l:-
l SON l-SI-714 Page 6 Revision 0 ATTACHMENT I Page 2 of 2 SI DATA PACKAGE COVER SHEET EXTRACTION STEAM PIPING WALL DEGRADATION MONITORING PROGRAM Review of Test ISI Level III Date Review and Approval of Test OES MET. Engr Date OE&C Review of Test QE&C REPRESENTATIVE Date Remarks I
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SQN s
SI-714 Page 13 Revision 0 LOCATION SHEET PIPE GRID DIAMETER
' NUMBER LOCATION (IN) _
l-1 Turbine Building, el 726, Unit 1, No. 3 Extraction 20 (see Sketch 1) 1-2 Turbine Building, el 700, Unit 1 No. 3 Extraction 20 (see Sketch 1) 1-3 Turbine Building, el 700, Unit 1, No. 3 Extraction 28 (see Sketch 1) 1-4 Turbine Building, el 700, Unit 1, No. 3 Extraction 28 (see Sketch 1) 1-S Turbine Building, el 7.04, Unit 1, No. 2 Extraction 14 (see Sketch 2) 1-6 Turbine Building, el 704, Unit 1, No. 2 Extraction 14 (see Sketch 2) 1-7 Turbine Building, el 704, Unit 1, No. 2 Extraction 20 (see Sketch 2) 1-8 Turbine Building, el 704, Unit 1, No. 1 Extraction 12 (see Sketches 3 & 4) 1-9 Turbine Building, el 704, Unit 1, No. 1 Extraction 12 (see Sketches 3 & 4) 1-10 Turbine Building, el 704, Unit 1, No. 1 Extraction 16 (see Sketches 3) 1-11 Turbine Building, el 726, Unit 1, No. 3 Extraction 20 J
(see Sketch 1) j 1-12 Turbine Building, el 716, Unit 1, No. 1 Extraction 12 (see Sketch 4) l 1
l f
l 1828R/lgm
m l
b SQN
~
SI-714 Page 14 p.
Revision 0 LOCATION SHEET H
PIPE
, GRID 0IAMETER NUMBER LOCATION (IN) _
1-13 Turbine Building, el 697, Unit 1, F. W.' Heater'IC2 10-i Extr. Steam Inlet (see Sketch 9) 1-14 Turbine Building, el 697. Unit 1, F. W.-Heater 182 10 Extr. Steam Inlet (see Sketch 9) 1-15 Turbine Building, el 697, Unit 1, F. W. Heater 1 A2 10 Extr. Steam Inlet (see Sketch 9) 1-16 Turbine Building, el 699, Unit 1 No. 2 Extraction 20 4
Steam (see Sketch 9) 1-17 CS Turbine Building, el 697. Unit 1, No. 2 Extraction
-20 Steam Carbon Steel (see Sketch 9)
.l.-17 SS Turbine Building, el 697, Unit 1, No. 2 Extraction 20 Steam Stainless Steel (see Sketch 9) 1-18 Turbine Building, el 699, Unit 1, No. 3 Extraction 28
-Steam (see Sketch 9) 1-19 Turbine Building, el 718, Unit 1, F. W. Heater IC3 16 l
Extr. Steam Inlet (see Sketch 9) 1-20 Turbine Building, el 718, Unit 1, F. W. Heater IC3 16 Extr. Steam Inlet (see Sketch 9) 1-21 Turbine Building, el.718, Unit 1, F. W. H.ealgr 183 16 Extr. Steam Inlet (see Sketch 9) 1 1-22 Turbine Building, el 718, Unit 1, F. W. Heater 183 16 Extr. Steam Inlet (see Sketch 9) 1-23
' Turbine Building, el 718, Unit 1, F. W. Heater 1A3 16 Extr. Steam Inlet (see Sketch 9) 1828R/1gm l
I SQN SI-714 Page 15 Revision 0 LOCATION SHEET 1
PIPE l
GRID DIAMETER l
NUMBER LOCATION (IN)
I 1-24 Turbine Building, el 718, Unit 1, F. W. Heater 1A3 16 Extr. Steam Inlet (see Sketch 9) 1-25 Turbine Building, el 699, Unit 1, F. W. Heater ICI 10 Extr. Steam Inlet (see Sketch 10) 1-26 Turbine Building, el 699 Unit 1, F.
W'. Heater 181 10 Extr. Steam Inlet (see Sketch 10) 1-27 Turbine Butiding, el 699, Unit 1, F. W. Heater IAI 10 Extr. Steam Inlet (see Sketch 10) l l
k
)
~
1828R/1gm
-SI-714 Page 16 Revision 0 LOCATION SHEET PIPE GRID DIAMETER NUMBER.
LOCATION (IN) 2-1
- Turbine Building, el 726, Unit 2, No. 3 Extraction-20 (see Sketch S) 2-2 Turbine Building, el 700, Unit 2,.No. 3 Extraction 20
~(see Sketch S)
~
2-3 Turbine Building, el'700, Unit 2, No. 3 Extraction.
28 (see Sketch S) 2-4 Turbine Building, el 700, Unit 2, No. 3 Extraction:
28 (see Sketch S) 2-S Turbine Building, el 704, Unit 2, No. 2 Extraction 14 (see Sketch:6)
'2-6
~ Turbine Building, el 704, Unit 2, No. 2 Extraction 14 (see Sketch 6)
I I
2-7 Turbine. Building, el 704, Unit 2, No. 2 Extraction 20 (see Sketch 6) 2-8 Turbine Building, el 704, Unit 2, No. 1 Extraction 12 (see Sketches 7 & 8) 2-9 Turbine Building, el 704, Unit 2, No. 1 Extraction 12 (see Sketches 7) i l
2 Turbine Building, el 704, Unit 2, No.1 Extraction 16 (see $ ketches 7 & 8) 2-11 Turbiae Building, el 726, Unit 2, No. 3 Extraction 20 (see Sketch S) 2-12 Turbine Building, el 716, Unit 2, No. 1 Extraction 12 (see Sketch 8) 1 l
1828R/lgm L
SQN SI-Y14 Page 17 Revision 0 LOCATION SHEET PIPE GRID DIAMETER 2
NUMBER LOCATION (IN) 2-13 Turbine Building, el 697, Unit 2, F. W. Heater 2C2 10 Extr. Steam Inlet (see Sketch 11) 2-14 Turbine Building, el 697, Unit 2, F. W. Heater 282 10 Extr. Steam Inlet (see Sketch 11) 2-15 Turbine Building, el 697, Unit 2, F. W. Heater 2A2 10 Extr. Steam Inlet (see Sketch 11) 2-16 Turbine Building, el 699, Unit 2, No. 2 Extraction 20 Steam (see Sketch 11) 2-17 CS Turbine Building, el 697, Unit 2, No. 2 Extraction 20 Steam Carbon Steel (see Sketch 11) l 2-17 SS Turbine Building, el 697, Unit 2, No. 2 Extrac-tion 20 Steam Stainless Steel (see Sketch 11) 2-18 Turbine Building, el 699, Unit 2, No. 3 Extraction 28 Steam (see Sketch 11) 2-19 Turbine Building, el 718, Unit 2, F. W. Heater 2C3 16 Extr. Steam Inlet (see Sketch 11) 2-20 Turbine Building, el 718, Unit 2, F. W. Heater 2C3 16 i
Extr. Steam Inlet (see Sketch 11) 2-21 Turbine Building, el 718, Unit 2, F. W. Hettte 283 16 Extr. Steam Inlet (see Sketch 11) 2-22 Turbine Building, el 718, Unit 2, F. W. Heater 283 16 Extr. Steam Inlet (see Sketch 11) 2-23 Turbine Building, el 718, Unit 2. F. W. Heater 2A3 16 Extr. Steam Inlet (see Sketch 11) 1828R/lgm
l SQN SI-714 Page 18-Revision 0 i
LOCATION SHEET i
PIPE GRID-DIAMETER NUMBER LOCATION (IN) 2-24 Turbine Building..el 718, Unit 2,-F..W.' Heater 2A3 16 1
Extr. Steam Inlet (see Sketch 11)- 25 Turbine Building, el 699, Unit 2, F. W. Heater 2Cl 10 Extr.. Steam Inlet.(see Sketch.12)
~~
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APPENDIX A ACTIONS TO BE.TAKEN IF AN SI-714 STANDARD 15 NOT MET 1.
If' wall thickness is less than the review criteria on Data. Sheet 1, the Inservice Inspection-(ISI) Group should, determine if the readings-represent degradation.
ISI should specifically document on Data Sheet l_the boundary of the' degraded area and obtain all.possible information about the degraded measurements that do not meet the review criteria and must be acknowledged and cosigned by a Level III NDE engineer..ISI.shall, contact the Sequoyah OES Materials Engineering Section (MES) and inform them that a problem exists.
2.
If a reading is found below the review criteria on Data Sheet 1, the ISI inspector shall' record the grid on the SI-l Deficiency Log.
This-deficiency shall be dispositioned by MES.
Consult A!-12 (Part I)-
and/or SI-l to determine if a CAQR is needed.
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MES shall perform a technical evaluation on the data received.from ISI to determine the appropriate corrective actions or determine if the piping is suitable for' continued operation. ~This evaluation shall be-attached to the SI.
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MES will notify maintenance regarding the extent of the problem and recommend appropriate corrective actions if required, i
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