ML20214G835
| ML20214G835 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point, Susquehanna, Columbia, Limerick, LaSalle, 05000000, Zimmer, Shoreham, Bailly |
| Issue date: | 11/29/1977 |
| From: | Miner S Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| CON-WNP-0190, CON-WNP-190 NUDOCS 8605220550 | |
| Download: ML20214G835 (33) | |
Text
,
NOV 2 91977 NOV W 1977 Docket Hos. 50/322,50/352,50/35 50/367,50/373 50/374, 50/387, 50/
nd 50/410 Shorham Nuclear Power Station Unit No.1 Limerick FACILITIES:
Generating Station Units No.1 and 2, William H. Zimer Nuclear Power Station, Unit 1. Bailly Generating Station Nuclear No. 1. La Salle County Station Units No. 1 and 2 Susquehanna Steam Electric Station Units No. 1 and 2, WPPSS Nuclear Project No. 2. Hine Mile Point Nuclear Station Unit No. 2 Long Island Lighting Co., Philadelphia ElectHc, Cincinnati APPLICANTS:
Gas and Electric Co., Northern Indianas Pu'ulic Service Co.,
Cocr.:onwealth Edison, Pennsylvania Fower and Light Co.,
Washington Public Power Supply System and Niagara Mohawk Power Corporation.
SUMMARY
OF MEETINGS HELD ON APRIL 1 AND JULY 7, 1977 TO
SUBJECT:
DISCUSS METHODS FOR COMBINING DYtiAMIC LOADS FOR STR DESIGN OF THE MARK II CONTAINMENT e
Meetings were held on April 1,1977, and July 7,1977, between representatives of the Mark II owners, the General Electric Co., (GE) /
At a meeting held on February ll, 1977, the Mark II and the NRC staff.
owners described a proposed program for quantifying the use of the square root of the sum of the squares method (SP.SS) for combining loads 3
in structural and nochanical components design. The purpose of the r
April 1,1977 meeting was to discuss the preliminary results fmm l
l the program and to also discuss the preliminary report. The purpose of the July 7,1977 meeting was to discuss the final results from the program and to review the stenary and conclusions prepared for final report.
the slides given to the attendees are enclosed. Copies of the remainder of the slides are available in my office.
The Mark II owners stated that their basis for proposing the SRSS rule for combining dynamic loads is that there is a low probability thattthe maximum dynamic loads will occur together and it is presently used for earthquake response canbination.
To Quantify the limits of the SRSS procedure the Mark II owners have developed the Dynsum and STAGAR codes (enclosure 3) for combining two
.i or more random dynamic loads (enclosure 4). The codes provide cumulative distribution functions (CDF) which show the combined amplitude of the '
dynanic loads vs. the probability that the combined loads will not be The conditional probability of not exceedingThe Mark I exceededjenclosure5).the SRSS J(SRSS)] 15 detonad fmm the CDF c e
3 orrecs >
SURNAME >
oavs >
NRC FORM 31, (9 76) NRCM 0240 1'rv.s ovg
..g
,,,,,,,,,,,,,,,,,,y,,,,,,,,
8605220550 771129 PDR ADOCK O.000322 A
NOV 2 91977
. propose utilizing the SRSS rule for the load combinations when p(SRSS)10%.
5 The applicants in onclosure 16 provided the results of combining two dynamic loads for a number of components by the absolute sum and SRSS rules.
Representative critical locations for dynamic loads are shown in enclosure 7 and the load combination cases that are being evaluated for various components are shown in enclosures 7, 8, 9,10 and 11.
The Mark II owners conducted a reliability analysis to provide a quantitive comparison of the failure probability for structures for the SRSS and the absolute sun rules (enclosure 12). The inputs to the failure probabilityy evaluation are the probability of an event occurring, the response magnitude of the structure to the applied dynamic loads, and for metals the code (ASME Section III) capability of the structural naterials (enclosure 14). The event encounter probabilities, i.e., the probability of the events occurring, used in the analysis are shown in enclosure 14.
For example, the response time histories for three events such as pressurization, safe shutdown carthquake and loss-of-coolant accident J,
are shown in enclosure 15. The encounter probabilities for these events and the conditional probability of the rtsponse fcr these events are shown in enclosure 16. The event probability multiplied by conditional response probability will provide the response exceedence probability. An example of the total response exceedence probability for a component during its design lifetime, given three events, is shown in enclosure 17. The solid curve shows the probability that the actual response will exceed some value R given that the calculated responses from the individual events are exactly R, R The dotted curve shows the same thing exceptthatitallowkfohandR,uncer2aintyinRR2 and R. The total j
component reliability may be obtained from h s curve The total response exceedence probability provides the infomation required l
to define the component stress (left curve in enclosure 18). To establish component reliability the component stress must be evaluated against the I
component strength (e.g., ASME code), safety factors and material streggth variability, (right curve in enclosure 18). Enclosure 19 shows a typical probability density curve where the left curve shows the effective stress density and the right curve shows the material strength density obtained from material properties i.e., C min is the minimum specified ASME III Div. I strength and C max is the maximar$b'ssible strengtb.valut.r for.,iamples the e
left curve in enclosure 1$ would represent total exceedence probability for a component (same as enclosure 11) and the right curve would represent the probability of exceeding the code strees. Note in this case the SRSS rule will provide stress that is below C min or the minim ~uin allowable code Utilizing this method the applicant showed for a mumber of cases strength.
that the component reliabilities are only slightly less when using the SRSS r$Je l
than when using the absolute sum rule. The conservatism in the teliability I
i analysis is shown in enclosure 20. The Mark II owners conclusions are shown-in enclosure 12.
l l
DFFiC s &
summaus h DATs >
NRC FOlud 313 (9 76) NRCM 0240 W u. e. novenmusut eniattme oprics e,n - ese.esa
NOV 2 31977 The Mark II owners stated that the final report will be submitted for staff review on July 31e 1977. They indicated that they require a fast review of the report because the SRSS rule is c'urrently being used in their design.
We noted that the examples shown were only for metal components and no infonnation was provided for concrete containments.
Origina! Signed By:
- 6. Met Sydney Miner, Project Manager Light Water Reactors Branch No. 3 Division of Project Management
Enclosures:
As stated cc: See next page LWR #3 LWR f) o,,ie s,
es e
.o e....
- SMin
- cec _.0Parr 11/2677 11/ g/77 4
NRC FORM 3t8 (9 76) NRCM 0240 W v. e. novem= ment em= rime orrier, sere.sae.ee4
Pennsylvania Power and Light Company ATIN: Mr. Norman W. Curtis Vice President - Engineering and Construction 2 North Ninth Street Allentown, Pennsylvania 18101 cc: Mr. Earle M. Mead Project Manager Pennsylvania Power & Light Company 2 North Ninth Street Allentown, Pennsylvania 18101 Gerald Charnoff, Esq.
Shaw, Pittman, Potts, Trowbridge
& Madden 1000 M Street, N. W.
Nashington, D. C.
20036 Mr. William E. Barberich Licensing Engineer Pennsylvania Power & Light Company 2 North Ninth Street Allentown, Pennsylvania 18101 Mr. Robert J. Shovlin, Project Manager Susquehanna Pennsylvania Power & Light Company 2 North Ninth Street Allentown, Pennsylvania 18101 Ilubert Barnes, Esq.
Pennsylvania Power & Light Company 901 Hamilton Street Allentown, Pennsylvania 18101
?
Cannonwealth Edison Company ATIN: Mr. Byron IEe, Jr.
Vice President P. O. Box 767 Chicago, Illinois 60690 cc: Richard E. Powell, Esq.
Isham, Lincoln & Beale One First National Plaza 2400 Chicago, Illinois 60670 6
O
50-3'58 LWR-1 W. H. ZIMMER NUCLEAR FOWER STATION, UNIT 1 I. Peltier The Cincinnati Gas & Electric Company ATN: Mr. Earl A. Borgmann Vic? President - Engineering P. O. Bcx 960 Cincinnati, Ohio 45201 cc: Mr. William J. Moran General Counsel
'Ihe Cincinnati Gas & Electric Co.
P. O. Box 960 Cincinnati, Oaio 45201 Mr. William G. Porter, Jr.
Porter, Stanley, Arthur, & Platt 37 West Broad Street Colunbus, Ohio 43215 Mr. Robert Killen, Chairman of the Board & Chief Executive Officer The Dayton Power & uight Company P. O. Box 1034 Dayton, Ohio 45401 Mr. J. Robert Newlin, Counsel The Dayton Power & Light Company P. O. Box 1034 Dayton, Ohio 45401 Mr. Stephen Schumacher Miami Valley Power Project P. O. Box 252 Dayton, Ohio 45401 Ms. Augusta Prince 601 Stanley Avenue Cincinnati, Ohio 45226 Mr. James D. Flynn Manager, Licensing & Environmental Affairs The Cincinnati Gas & Electric Company P. O. Box 960 Cincinnati, Ohio 45201 Mr. J. P. Fenstermaker Senior Vice President - Operations Colunbus & Southern Ohio Electric Co.
215 North Front Street Columbus, Ohio 43215
. 50-338 LWR-1 WM H. ZIMMER NUCLEAR POWER STATION, UNIT L I. Peltier cc Continued:
David B. Fankhauser, PhD 3569 Nine Mile lead Cincinnati, Ohio 45230
'Ihomas A. Luebbers, Esq.
Cincinnati City solicitor Room 214 - City Hall Cincinnati, Ohio 45202 Troy d. Conner, Esq.
Conner, Moore & Cober 1747 Pennsylvania Ave. N.W.
Washington, D.C.
20006 S
Philadelphia Electric Company cc: Tro,y D. Conner, Jr., Esq.
Phil3delphia Electric Company Conner, Moore & Corber ATTN:
Mr. Edward G. Bauer, Jr.
Vice President and Gen.3ral 1747 Pennsylvania Avenue, N. W.
Washington, D. C.
20006 Counsel 2301 Market Street W. William Anderson, Esq.
Philadelphia, Pennsylvania 19101 Deputy Attorney General Room 512, Main Capitol Building Harrisburg, Pennsylvania 17120 Frank R. Clokey, Esq.
Epecial Assistant Attorney General Room 218, Towne House Apartments P. O. Box 2063 liarrisburg, Pennsylvania 17105 lionorable Lawrence Cougnlin llouse of Representatives Congress of the United States Washing ton, D. C.
20515 Roger B. Reynolds, Jr., Esq.
324 Swede Street,
i.orristown, Pennsylvania 19401 Willard C. Hetzel, Esq.
312 Main Street East Greenville, Pennsylvania 18041 I4wrence Sager, Esq.
Sager & Sager Associates 45 High Street L
Pottstown, Pennsylvania 19464 Joseph A. Smydt Assistant County Solicitor County of Montgomery Cour thouse Norristown, Pennsylvania 19404 Eugene J. Bradley Philadelphia Electric Company Associate General Counsel 2301 Market Street Philadelphia, Pennsylvania 19101 4
--~ew.
..-,m
l l
Iaig Island Lighting Company ces: Edwj.ra M. Barrett, Esq.
General Counsel Long Island Lighting Company 250 Old Country Road Mineola, New York 11501 Edward J. 6ialsh, Esq.
General Attorney Long Island Lighting Company 250 01d Country Road Mineola, tiew York 11501 Mr. Thomas Burke Project Manager Shoreham Nuclear Power Station P. O. Box 618 i
llading River, tiew York 11792 Director, Technical Development Programs State of ilew York Energy Office Agency Building 2 Empire State Plaza Albany,liew York 12223 iicuard L. B1au Blau and Cohri, P.C.
380 North Broadway Jericho, New York 11753 Irving Like, Cay.
Reilly, I.ike and Schnieder 200 West Main Street Babylon, tiew York 11702 Mila Technical Associates 366 California Avenue Suite 6 Palo Alto, California 94306 Long Island Lighting Ccmpany ATTN:
Mr. Andrew W. Wofford Vice President 175 East Old Country Road HicksvlIle, New York l1801 4
o O
Cc93 Eugene B. Thomas, Jr.
LeBoeuf, Lamb, Leiby & MacRae 1757 N Street, N. W.
Washington, D. C.
20036 Anthony Z. Roisman, Esq.
Roisman, Kessler & Cashdan 102515th Street, NW
. Washington, D. C.
20036 Mr. Richard Goldsmith Syracuse University College of Law E. I. White Hall Canpus Syracuse, New York 13210 T. K. DeBoer, Director Technological Development Programs New York State Energy Office Swan Street Building Core 1 - 2nd Floor Enpire State Plazd Albany, New York 12223 Niagara Mohawk Power Corporation ATTN: Mr. Jerald K. Rhode Vice President Engineering 300 Erie Boulavard West Syracuse New York 13202 e
i
ccs:
Joseph B. Knotts, Jr., Esq.
Debevoise & Liberman 700 Shoreham Building 806 Fifteenth Street, N. W.
Washington, D. C. 20005 Richard Q. Quigley, Esq.
Washington Public Power Supply System P. O. Bcx 968 Richland, Washington 99352 Washington Public Power Supply System ATTN: Mr. Knell 0. Strand Managing Director 3000 George Washington Way Richland Washington 99352 I
m
Northern Indiana Public Service Company ces:
tieredith Hemphil1, Jr Esq.
Assistant General Counsel Bethlehem Steel Corporation Martin Tower Bethlehem, Pennsylvania 18016 William H. Eichhorn, Esq.
Eichhorn, Morrow & Eichhorn 5243 Hohman Avenue Haarnond, Indiana 46320 Edward W. Osann, Jr., Esq.
Wolfe, Hubbard, Leydid, Voit & Osann, Ltd.
Suite 4600 One Ist Plaza Chicago, Illinois 60611 tiarvin N. Benn, Esq.
Special Assistant Attorney General 134 Nor th LaSalle Street Suite 2222 Chicago, Illinois 60602 Robert J. Vollen, Esq.
109 North Dearborn Street Chicago, Illinois 60602 Northern Indiana Public Service Company ATTN: Mr. H. P. Lyle, Vice President Electric Production & Engineering 5265 Holman Ave.
Hammond, Indiana 46325 O
ENCLOSURE 1 ATTENDEES LIST MEETING APRIL 1, 1977 NRC Stone & Webster S. Miner S. Chow I. Sihweil R. Klause S. Hou
~
B. Bosnak P. Chen P. Kuo F. Schauer Sargent & Lundy D. Jeng I. Peltier G. Kitz H. Brammer B. Erler K. Wichman NUTECH G.E.
A. Deardorff F. Rally D. Ditmore L. Frauenholz C. Subramanian NSC R. Koppe S. Tagart PP&L Co.
E. Mead Lilco H. Chau
ENCLOSURE 2 ATTENDEES LIST JULY 7,1977 NRC Sargent & Lundy D. Jeng R. Crawford S. Miner A. Singh P. Kuo D. Terao R. Bosnak P. Chen F. Schauer Cinn. Gas & Elect.
H. Brinkmann G.E.
L. Liu F. Rally E. Kiss D. Di tmore -
NSC C. Subramanian L. Frauenholz R. Koppe K. Hazifotis S. Tagart Lilco Bechtel B. McCaffrey E. McFarland H. Chau Burns & Roe Stone & Webster M. Fakelmann R. Klause L. Nieh
ENCLOSURE 3 IEstE -
C0ltliES IM) LOADS USliiG A ;UERICAL TE0WIQlE STAGAR -
01BI!ES Tn'0 OR MDE LDADS USliiG A SIMULATIQ1 GDfiE CARLO)
APPNA01 OtffFJT FPm BOTil PEGPAM
-CDFPLOTS FROM CDF PLOTS, COMBIED ATLITUiES FOR ALL PR06MILITY LEWLS FAY BE GTAliE.
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ENCLOSURE 7 REPRESENTATIVE CRITICAL LOCATIONS RPV o TOP 0F GUIDE TUBE o RPV SKIRT o SHROUD SUPPORT PIPING o MAIN STEAM o FEED WATER o RHR (WETWELL)
CONTAINMENT o BASE MAT EL o DRYWELL FLOOR EL o STABILIZER EL REACTOR PEDESTAL o BASE MAT EL o DRYWELL EL f
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ENCLOSURE 8 RPV & INTERNALS LOAD COMBINATIONS TWO LOAD CASES VERT-SSE + SRV NM 3tg HORZ-SSE + SRV MMO 3tg HORZ-SSE + SRV Mm 3tg HORZ-SSE + CHUG (ASYM)
HORZ-0BE + SRV (ASYM)
HORZ-0BE + SRV (ASYM)
THREE 10AD CASES VERT-SSE + SRV (ADS) + CHUG (AXISYM)
- ENCLOSURE 9 PIPING LOAD COMBINATIONS i
TWO LOAD CASES OBE + SRV3tga SRV
+W 3tos BUBBLE SRVBUBBLE +
BLDG OBE + SRVBUBBLE OBE + SRV BLDG SRVDISCHARGE +
BLDG OBE + SRVDISCHARGE OBE + SRV3tos SSE + LOCA stoo LOCAIMPULSE + LOG 3toa l
_ _,, _ _ _ _ _ _ - - - - - - - - - + - ~ ^ ^ ' ^ ^ ^
~
ENCLOSURE 10 PIPIflG LOAD COMBIflATI0tlS CONTINUED THREE LOAD CASES OBE + SRVBUBBLE +
BLDG OBE + SRVDISCHARGE +
BLDG SSE + LOCA3tgg + LOCAIMPULSE FOUR LOAD CASES OBE + SRVDISCHARGE BUBBLE BLDG e
C0itTAlflMEf;T LOAD COMulf;ATIO:S ENCLOSURE 11 TWO 10AD CASE 1.
OEF.., i SRV,,
n 3
7.
ORF, u i SRV,,
3 3.
3tt it. SSE
+W gg 3tg 5.
SRVAns + CHUG 20-Hz 6.
SRVAns + Cil0G30-Hz THREE LOAD CASES 1.
OBE -s + SRV3g3 + CiluG20-HZ n
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o ENCLOSURE 12 OBJECTIVES OF RELIABILITY At1ALYSIS provide improved perspective concerning use of SRSS in MK 11 e
provide quantitative comparison of SRSS and peak rules e
illustrate the signi ficance of low P(SRSS) < 50%
e
ENCLOSURE 13
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ENCLOSRE 14 EVENT PROBA0lllTY SUMNARY - 40 YEAR Individual Events P(E)
Combined Event Ewanoles i
OBE 0.33
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ENCLOSURE 15 r o.tu4 r e-n
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