ML20213G291
| ML20213G291 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 10/13/1986 |
| From: | PATHWAY BELLOWS, INC. |
| To: | |
| Shared Package | |
| ML20213G280 | List: |
| References | |
| NUDOCS 8611180010 | |
| Download: ML20213G291 (22) | |
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Ph0iv "YPE BELLOWS m . TEST REPORT FOR GEORGIA POWER L WAYNESBORO, GA v
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BY PATHWAY BELLOWS, INC.
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OAK RIDGE, TN PREPARED BY: 4 8f DATE: /d /,f' Manager of Engineering #
APPROVED BY: h,*,m 6 h1 DATE: 16IG\4(o Vice President, Engineering '
, APPROVED BY: _ /\w p = = DATE: (O -l3 ~8 G ,
Qua y Assurance Manager .
Reference:
Pathway S. O. #3167 Georgia Power Po. #PAV-15746 8611180010 861112 #
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1.0 INTRODUCTION
I This test procedure will be utilized to evaluate the effect of weld repairs on the 18 in. diameter encapsulation vessel expansion joint bellows by testing of a facsimile bellows in accordance with Code I Case N-315, 2.0 EQUIPMENT The following is a list of equipmer.t to be used in this test:
a) Prototype Bellows b) Test Fixture c) Surpreme Leak Detector Solution 5440 Type 3-C d) Camera e) Compressed Helium f) 0-120 PSIG Calibrated Pressure Gage No. PB-16 3.0 TEST PROCEDURE -
The following are sequential steps.
- 1. Perform receiving inspection of test bellows. Determine if
.I existing dents should be repaired so as not to hinder testing of repair weld.
- 2. Perform hydotest of expansion joint at 90 psig in presence
! of ANI.
- 3. Weld end plates on expansion joint. (Note: protect
,I bellows from weld splatter)
- 4. Mount the damaged prototype test bellows in the test I fixture and make necessary electrical and mechanical connections.
- 5. Photograph test setup and fill out the Log Sheet.
- 7. Adjust limit switches to produce axial movement of (See Table) inches from a neutral bellows length of 17.27 I inches.
- 8. Photograph test setup and fill out Log Sheet.
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3.0 TEST PROCEDURE - Continued l
- 9. With internal pressure maintained at (See Table) PSIG minimum perform cycle testing at a rate of approximately 10 CPM for (See Table) cycles keeping the outside surface or bellows saturated with leak detector solution.
- 10. After (See Table) cycles, photograph test setup and fill
[ out Iog Sheet.
- 11. With bellows at length of 13 in., increase pressure to 90 c
PSIG and check for leakage in presence of ANI.
- 12. Photograph test setup and fill out Iog Sheet.
c
- 13. Reduce internal pressure to zero and perform 100% PT examination of completed weld repair in presence of ANI.
l 14. Fill out Iog Sheet and photograph failure.
- 15. Prepare the formal test report.
- I 1
1 MOVEMENT TABLE I
CYCLES MIN. PRESSSURE AXIAL MVMT(in)
(PSIG)
I 60 15 8.69 348 15 3.96 alS I
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l 4.0 TEST RESULTS CYCLES REMARKS 0-10 INCL. Started test at 5:00 PM on 10/10/86. Set bellows length at 17. 27 in , pressure at 75 Psig min, and movement at 8.69 in compression. Bellows instability
' (squirm) noted when bellows compressed under pressure.
Movement was increased for cycle #3 only to bottom out bellows and align cowvolutions. Completed ten (10) cycles and checked for leaks - none found.
J 11-70 INCL. Set pressure at 15 PSIG min., movement at 8.69 in.
comp., and bellows length at 17.27 in. Completed sixty (60) cycles and checked for leaks - none found.71-418 INCL. Set Pressure at 15 PSIG min., movements at 3.96 in.
^ comp., and length at 17.27 in. Completed 348 cycles and checked for leaks - none found. Completed test at
~
4:00 PM on 10/11/86.
c Final hydrotest and PT were not perfomred at Pathway.
5.0 CONCLUSION
S Weld repair of f acsimile bellows did not leak after fatigue testing in accordance with code case N-315.
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PROTOTYPE BELLOWS AND MOTION CHART l
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ATTACHMENT 1
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ENCAPSULATION VES$RL WYPANSION JOINT HOVEMENTS FOR TESTING Given below are the repaired expansion joint movements for the E o
cncapsulation vessel of the Containment spray Isolation valve. -
b :
1 1 MOTION CHART
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Type of Motion Load Maximum stress Lateral Axial Torsion m M
Cycles Horisontal vertical .
i I Thermal 10 0.5" 0 0.7" EXT '.002 Radian i
Bldg. settlement 1 0 .027" 0 -
0 l .002 Radian Opiiration Basis 50 1 312" 1 046 + 0 . 4 9 'l Earthquake I .
Safa shutdown 10 +.446" +.066" + 0.7" .002 Radian l Earthquake The expansion joint is installed with .877" vertical offset, r I Note This should be considered in testing.
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APPENDIX C QUALITY ASSURANCE DOCUMENTS I
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I ' SIS DAILY INSPECTION RECORD
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6 HYDROSTATIC TEST REPORT ...
10/1/80 1 of 1 CUSTOMER 6 / M [b / A M (M/ CM PATHWAY NO. 8/ d 7 CUSTOMER P.O. A //~ /d Yd SPEC. REQ TS. >p ////I u
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