ML20054F276
| ML20054F276 | |
| Person / Time | |
|---|---|
| Site: | Satsop |
| Issue date: | 06/03/1982 |
| From: | Larry Wheeler Office of Nuclear Reactor Regulation |
| To: | Miraglia F Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8206160001 | |
| Download: ML20054F276 (6) | |
Text
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o UNITED STATES 3
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D-NMEAR REGULhTORY COMMSSION D
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MAY. 2 5 1932 Docket Nos.: 50-508/509 k
&E 3; /W2-MEMORANDUM FOR:
F. J. Miraglia, Chief, Licensing Branch No. 3. DL FROM:
L. L. Wheeler, Project Manager, Licensing Branch No. 3, DL
SUBJECT:
WPPSS MEETIriG WITH NRR TO DISCUSS ITT - GRINfiELL P HANGER STIFF CLAMP 5 9
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/F N@gQ-. -l DATE & TIME:
June.W, 1982 6
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LOCATION:
Phillips Building, Room e i.;
o PURPOSE:
UgilitybriefsNRRontechnicalaspectsofI
> Grinnel,1%
d Figure 215 Pipe Hanger Stiff Clamps 6*/w\\P AGENDA:
See enclosed copy R. Bosanic A. Dodds, D. Haist, D. Smith, D. Terao, L. Wheeler l
PARTICIPANTS:
NRC:
R PNL:
G. Beeman (NRC consultant)
WPPSS:
- 0. Trapp Ebasco:
J. Ruimerman, F. Stomel, M. Mancini ITT: J. Hare, A. Laurenson, P. Stanish
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Licensing Branch No. 3 Division of Licensing
Enclosure:
As stated cc:
See next page NOTE:
NRC meetings are open to interested members of the public to attend as observers.
Members of the public who wish to attend this meeting must contact L. Wheeler (301/492-7792) no later than 3:45 p, June X l
1982.
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/82 nac m su aisoo eom ucu c240 OFFICIAL RECORD COPY
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WNP 5 Mr. R. L. Ferguson Managing Director Washington Public Powr Supply System P. O. Box 968 3000 George Washington Way Richland, Washington 99352 Nicholas S. Reynolds, Esq.
DeBevoise & Libennan 1200 Seventeenth St., N. W.
Washington, D. C.
20036 Richard Q. Quigley, E:q.
Washington Public Power Supply System 3000 George Washington Way Richland, Washington 99352 Nicholas D. Lewis, Chairman Energy Facility Site Evaluation Council 820 East Fifth Avenue Olympia, Washington 98505 Mr. Kenneth W. Cook Washington Public Power Supply System P. O. Box 1223 Elma, Washington 98541
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Mr. Thomas W. Bishop Washington Public Power Supply (WNP-3/5)
P. O. Box 1156 01ymphia, Washingtor, 98507 Resident Inspector /WPPS 3/5 c/o U.S. Nuclear Regulatory Commission P. O. Box 545 Elma, Washington 98541
I ENCLOSURE I
AGENDA j
ITT-GRINNELL PIPE _H, ANGER STIFF CLAMP _ PRESENTATION I.
Design Concept A.
Sti f fness Requirement 1.
Use of pre-load 2.
Method of applying pre-load B.
Qaalification Procedure 1.
Code requirements 2.
Pre-test analysis performed 3.
Testing performed a.
Strength verification (code) b.
Stif fness verification (spec.)
4.
Analysis of Results II.
Field Failure
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A.
Field problems encountered 1.
Tie rod bending 2.
Torqua relaxation 3.
Broken Strap B.
Cause of problems encountered C.
Testing dane in response to failure 1.
Torque testing 2.
Metallurgical D.
kemedy 1.
New trunnion design a.
Additional testing performed 1.
Re-qualification testing n
ii.
Ultimate strength of straps and rivet connection iii.
Ultimate torque test iv.
Torque relaxation b.
Effects on nested applications g
PRESENTATION OUll.INE~~ ~
(Continued)
III.
Strap Edge Indications A.
Discovery B.
Site Review C.
Cause u.
bve s tL L I VU ML L luri E.
Effect on Performance IV.
Use of Rivets A.
Method of design B.
Cause of initial questions 1.
LCD errors 2.
Documentation control C.
Review of NRC V.
Material Concerns A.
Re-qualification of Strap Material 1.
Code Case F.
Strength 3.
Combined stresses a.
Failure b.
S ti f fness B.
Rivet Material 1.
Code Case 2.
Heat treatment a.
Not to SA spec.
'b.
Sequence of heat treating straps c.
NAS Specification (AMS-5737) 3.
No rivet failurcs
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j PRESENTATION OUTLINE TEDntinueo)
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Additionally:
Creep Stress Corrosion Effects of Elevated Temp.
Effects of Heat Treatment Load Capacity Data Sheet limitations 350F_V. 650F Actual V. Code for Material Allowables Pipe Wall Stress
- Re-aging Rivot Material
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MEETING NOTICE DISTRIBUTION Document Control (50-508/509)
NRC PDR LPDR TERA NSIC LB#3 Files JLee Project Manager _ L. Wheeler ECase DEisenhut/RPurple RTedesco (only if participant or if held in Bethesda)
JYoungblood ASchwencer FMiraglia EAdensam JMiller Glainas WRussell DCrutchfield TIppolito JKnight WJohnston DMuller TSpeis RHouston LRubenstein FSchroeder MErnst JKramer (Division Directors - only if participant in meeting)
Attorney, OELD B. Vogler OI&E Regional Administrator, Region _V Resident Inspector ACRS (16) 0SD (7)
NRC
Participants:
R. Bosnak R. Dodds D. Haist D. Smith D. Terao L. Wheeler cc: Service List