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{{#Wiki_filter:a [ ji$hVnt ' ' s na N / 'o, UNITED STATES 8' NUCLEAR REGULATORY COMMISSION a {, .c WASHINGTON, D. C. 20555 f \\+..../ APR 131982 Docket Nos: 50-329/330 01, OL MEMORANDUM FOR: Elinor G. Adensam, Chief Licensing Branch No. 4, DL FROM: Darl S. Hood, Project Manager Licensing Branch No. 4, DL SUBJCCT: NOTICE OF MEETING - MIDLAND, UNITS 1 AND 2 OATE & TIME: April 16,.1982 NA D 10:00 AM - 4:30 QQ)gg,GyRQQ@ YlPlM h M M N LOCATION: Room P-110 Phillips Building Bethesda, Maryland PURPOSE: To discuss buried piping and applicant's related submittal of March 16, 1982. PAf6 ICIPANTS: NRC Consumers Power Company R. Bosnak, et al. D. Budzik, et al. P. Chen (Consul tant) J. Mooney J. Kane D. Hood Bechtel D. Lewi s, et al. I 6W l Darl S. Hood, Project Manager Licensing Branch No. 4 Division of Licensing
Enclosure:
l cc: See next page l 1/' Meetings between NRC technical staff and applicants for licenses are open ~ for interested members of the public, petitioners, intervenors, or other parties to attend as observers pursuant to "Open Meeting and Statement of NRC Staff Policy". 43 Federal Register 28058, 6/28/78. G408030013 840718 PDR FOIA RICE 04-96 PDR l
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- i 1.ine Weber Desc ripties Strees Strees strees Strese Strees Strese Stress Stress 36/26"-0MBO-15 su supply 10.442 17,500 14,060 21.000 20,536 42,000 5,214-26,250 36/26"-0 5 0-16 SW astura 10,642 17,500 15,505 21.000 34.383 42,000 10.420 26,250 36/26*-cuso-19 su supply 10.442 17,500 17,190 21.000 34,953 42,000 10,814.
26,210 36/26"-OuBC-20 SW asture 10.442 17.500 17,190 21,001 35,232 42,000 21.613 26,250 26"-omc-53 su supply 5,842 17,500 9.536 21.000 21.47s 42,000 12.513 26,250 26"-015C-54 at Reture 5,842 17,500 9,318 21.000 26.323 42,000 25,009 26,250 NOTES: 5 1. Actual stressee are beoed os calculottene meing 3/8-inch well pipe 2. Pipig strees sammeries e. Equation S Stresses f actuded = desiga pressure, usight and susteleed leads (includes overburden) A11ouable strees e, 8 0S - la accordance with ASE NC-3652.1 and Section III Davielen 1, Appendia 1 h jj b. Eeustion 9 Stressee included = peak pressure, weight and suste1med loads (facludet overhearden), ecceelemal load (Ost) 1,2S - la occ rdance with Aas NC-3652.2 and section III, Davielen 1. Appendia 1 Allowable stress = h c. Code Case 1606 ii I I Stresses included = peak pressure, weight and sustained loads (includes overbiarden), oecesional toed (SSE) Alloweble ser me = 2.48 - la accordence with code Case 1606 and Section III Division 1. Appendia K h I d. Equation 10 Strassee factuded = thermal empenelon, amehar movement (OSS) l Alloweble stress =S - la accordance with ASW IE-3652.3 and Section III D1vielen 1. Appeedia I g f( 70 i QdL j oo J4e*l / gji ~ 1 4/14/s2 n. n
L.:-- u.-.::-.. png.:.w./? w.:u: w: s.: ~ [.i. - wy., a.( Enab,rure. / PRELIMINARY RESULTS OF WALL PENETRATION ANALYSIS g lj, d a-saE* I Due to( I %eismic Dispt N 1-1 y 1-1/2" Settlement ~ S Annulus at Wall l' Line Penetration (in) Penetrat. ion (in) 30' from Wall (in) Margin' (in) Number' (A) (B) (C) A- (B + C) 36"-OHBC-15 2.625 0.1741 0.204 2.2469 3 6"-0118 C-16 2.625 0.1801 0.0705 2.3744 3 6"-OllB C-19 2 625 0.3361 0.204 2.0849 l ]. 3 6"-O HB C-2 0 2.625 0.7220 0.1935 1.7095 i 26"-OllB C-5 3 2.0 0.163 0.2505
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1 26"-OHBC-54 2.0 0.163 0.2505 1.5865 NOTES: (1) Seismic displacement was determined by combining the absolute values of the following four motions: a. Building movement - lateral and vertical b. Soil movement - lateral and vertical c. Pipe in soil - lateral and vertical 2 d. Pipe in building - lateral and vertical ls The lateral and vertical absolute sums were then combined by the square-root-h, of-the-sum-of-the-squares method. 'I (2) Settlement displacement is the pipe displacement at the penetration becaube l; j of 1-1/2" of settlement 30 feet from the building. i-L 4/15/82 I f } j l se \\
s " gi -~ 1 1... T " 2 5;_c_2. a _.. .of. , 't.. - J_.___.._. _;,.. _ __ -J - ^ Em/asure / PRELIMINARY RESULTS OF TERMINAL END ANALYSIS t III Allowable Maximum Stress Settlement at Line Stress 3S for 1-1/2" Settlement 30' for Stress C Number (psi) 30' from Wall (psi) to be 3Se (in) 36"-OHBC-15 52,500 9,374 8.401 3 6"-OllB C-16 5?,500 8,403 9.3717 36"-OHBC-19 52,500 9,374 8.401 3 6"-OllB C-2 0 52,500 8,403 9.3717 NOTE: ' iM III ASME 1977 Edition, Subsection NC-3652.3, Equation 10a = 3.0S D g c O kb) D W 6 a tsy> ( W ash % bb*l M*h f ~a'4 b 3 *(, y c< kieaumo3 l, J4edJ 4/15/82
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(_ L' };..- t. facbhun A 48-INCH DIAMETER SERVICE WATc.i LINE .] ' TO COOLING TOWER eg 4-(LINE 48"-OHBC-2/48"-0YJJ-1) This.line is'used to route the returning service water to the cooling tower in lieu of discharge to the emergency - i cooling water reservoir. Inside the service water pump 8 structure (SWPS), there are two Seismic Category.I butterfly l' valves isolating this line from the normal routing to the '.] cooling pond. Functionally, the class change is at the .{- butterfly valves; however, design practice is to extend the pipe class to the first anchor point beyond the safety /non-safety isolation valves. This anchor point was the soil 'E outuide the structure. At the class change, the line also .j changes from carbon steel to concrete. 1 The routinglof this line is shown in drawings: i M-183, Sh 1 M-183, Sh 2 -l M-184, Sh 1 M-184, Sh 2 8' M-618, Sh 1 The analysis of.the piping system inside the SWPS included a terminal end analysis which continued to an assumed anchor at the change from steel pipe to concrete pipe. 1 ci ,J I el-l1 l.* l_ p 2 { l = = -
x
-= =
- 3. k%.
L %' eta %\\sz i ~ de C9( hleda3 meCwsua 4 m g uip.4P.pq TABLE 1.0 . Monitoring Station Ovality and Corresponding Strain Line: 26-OHBC 15 A11ovable Strain =.k8% l .f e,., DJ (iq o fa.ag'),3 %om
Reference:
Figure 1. St ation* Measured Ovality (%) Meridieral Strain TT u*'I h 5 "* *' '" "$ 1 2.3h' O.35 04b-6%+0%bvilk 2 1.88 0.32 JulM los 3 2.34 0.35 6% \\ k 2.3h 0.35 dN a'O 5 1.24 0.25 Y taw p. i-Line: 26-OkBC16- - "N O*E ""9
Reference:
Figure 2 g h tW 1 2.18 0.3h 2 2.18 0.3h 3 2.34 0.35 h 2.18 0.3h 5 1.12 0.23 Line: 26-0BBC 53
Reference:
Figure 3 1 1.k0 0.27 2 2.96 0.k0 c %-0 A" 'C oYh 3 2.18 0.3h k 2.18 0.3h Line: 26-OHBC Sk
Reference:
Figure k 1 2 50 0 36 2 2.50 0.36 3 2.18 0.3h h 2.03-0.32 5 2.50 0.36 6 2.03 0.32 Line: 26-OHBC 55
Reference:
Figure 5 1 2.03 0.32 2 1.kT 0.27 3 1.56 0.28 h 1.56 0.28 ,i i . ~ - -. -
(
- c 2
.l Statione Measured Ovality (5) Meridional Strain (%) Line 26-OHBC 56
Reference:
Figure 5 1 1.09 0.22 2 1.87 0.31 3 0.90 0.21 h 2.49 0.36 Line 26-OHBC 19
Reference:
Figure 6 1 1.87 0.31 2 1.87 0.31 3 1.87 0.31 4 0.89 0.21 Line 26-OHBC.20
Reference:
Figure 6 1 1.87 0.31 2 1.87-0.31 3 1.87 0.31 4 1.79 0.30
- The station number.s are numbered from left to right from the given reference figure.
3 e e a - I I i i 5 4 1 I t' _ _ - _ -.. ~. _ _ _ _ i
s J s.__) J.huni 2 ik.d cielsi en 8,, UNITED STATES [). g N,UCLEAR REGULATORY COMMISSION j ;. r, J wasmwarow.o.c.2ases 3 e / 4! ~ J SEP 2 31981 i Docket Nos. 50-329 OM, OL and 50-330 OM, OL - l 1 ~ ~ APPLICANT: Consumers Power Company FACILITY: Midland Plant, Units.1 & 2
SUBJECT:
SUfeARY OF JANUARY 20, 1981 MEETING ON UNDERGROUND PIPING On January 20, 1981, the NRC staff and its consultant, Energy Technology Engineering Center (ETEC), met in Bethesda, Maryland, with Consumers Power Company (the applicant) and Bechtel to discuss stresses in underground piping due to differential settlement at the Midland site. A summary of the applicant's stress calculations had previously been provided by cover-letter dated November 14, 1980. The sumary of the January 20, 1981 meeting, including identification of attendees and the agenda, is provided by Enclosure 1. Viewgraph slides used during the applicant's presentation are shown in Enclosure 2. oiI e i. ~. Hood, Proje Manager Licensing Branch #4 Division of Licensing
Enclosures:
As stated l 6 l i l m ,r, sex 2%d j. l b c i w Jw&^ /
.~ ';3 ~ ) MIDLAW O I . Mr. J. W. Cook I' Vice President Consumers Power Company 1945 Wert Parnall Road-Jackson, Michigan 49201 ( cc: Michael I. Miller, Esq. Mr. Don van Farrowe, Chief ) Ronald G. Zamarin, Esq. Division of Radiological Health ~ Alan S. Farnell, Esq. Department of Public Health Isham, Lincoln & Beale P.O. Box 33035 Suite 4200 Lansing, Michigan 48909 1 First National Plaza Chicago, Illinois 60603 William J. Scanlon, Esq. 2034 Pauline Boulevard James E. Brunner, Esq. Ann Arbor, Michigan 48103 Consumers Power Cogany 212 West Michigan Avenue U.S. Nuclear Regulatory Comission Jackson, Michigan 49201 Resident Inspectors Office Route 7 Myron M. Cherry, Esq. Midland, Michigan 48640 1 IBM Plaza Chicago, Illinois 60611 Ms. Barbara Stamiris 5795 N. River Ms. Mary Sinclair Freelar.d. Michigan 48623 5711 Summerset Drive Midlana, Michigan 48640 Mr. Paul A. Perry, Secretary Consumers Power Cogany Stewart H. Freeman 212 W. Michigan Avenue Assistant Attorney General Jackson, Michigan 49201 State of Michigan Environmental Protection Division Mr. Walt Apley 720 Law Building c/o Mr. Max Clausen i Lansing, Michigan 48913 Battelle Pacific North West Labs (PNWL). Battelle Blvd. Mr. Wendell Marshall SIGMA IV Building Route 10 Richland, Washington 99352 Midiend, Michigan 48640 i Mr. Steve Gadler 2120 Carter Avenue St. Paul, Minnesota 55108 5 e 6 I, ti t ~ . ~ -.-
3 Mr. J. W. Cook ) j i cc: Comander, Naval Surface Weapons Center ATTN: P. C. Huang *- White Oak Silver Spring, Maryland 20910 Mr. L. J. Auge, Manager I Facility Design Engineering Energy Technology Engineering Center P.O. Box 1449 Canoga Park, California 91304 ~ Mr. William Lawhead U.S. Corps of Engineers NCEED - T 7th Floor 477 Michigan Avenue Detroit, Michigan 48226 Charles Bechhoefer, Esq. Atomic Safety & Licensing Board U.S. Nuclear Regul'atory Comission Washington, D. C. 20555 Mr. Ralph S. Decker Atomic Safety & Licensing Board U.S. Nuclear Regulatory Comission Washington, D. C. 20555 Dr. Frederick P. Cowan Apt. B-125 6125 N. Verde Trail Boca Raton, Florida 33433 e i I l ~.,..,
--->re-- ENCLOSURE 1 d I "~ TE File: Ok85.16 i 1 l-f,/ 1 I >hlljs i - s , II, 2 Face - OSKeeley, Pik-113B G / CQnSUNCTS b Pytllgf }' February k,198]L '1 Darc CP*t com"any E .tesect )GETING WITH NRC AND ETEC ON j UNDERGROUND PIPING UFI: 00234(S) (71'01) SERIAL: 11372 c,"Z Q,,,,, i 1 ~ cc Al Boos, Bechtel Ann Arbcr M4111er, IL&B HWSlager, P14-30k DMBudzik, P2k-517A / 1 TRThiruvengadam, Pik koo On January 20, 1931 a meeting was held in Bethesda with the NRC staff and their consultanti (ETEC). An agenda for the meeting is attached. Personnel present at the meeting were: Bechtel CP Co IL&B NRC ETEC Al Boos GCDoerr IMiller 'DHootd Chen Bransner j Agit Patel DNBudzik Joann Bloom Joe Kane John Legette GSKeeley Jim Brammer BM51ager Lt. C< pp es s $ D. C vp t a. During the initial part of the meetings there was a general discussion about the survey information which was fed to the stress engineers for calculations of piping stress for the underground piping. It was, pointed out that the Bechte1 project engineering does the analysis for Class II, III and B31.1. Class I piping stresses are calculated by the Bechtel staff group. It was pointed out that there is no Class I underground pipe. i4$ ends I?em r : e A.1: ~ The staff and their consultant were updated on the status of responses to the 50 5hF questions. Nine of the pipes shown in Table 17-2 are pipes which had nev profile data taken in September 1979 after removal of the surcharge areas. The other four pipes were in the areas of the surcharge. In Amendment 85 ve provided data taken from the September 1979 profile and in cur recent letter to them dated November ik,1980, we gave them some of the results and conumented on the new stress calculations. A.2 a: There was a discussion of the two techniques used for taking profile data. A i mancmeter was used by consultant on the invert of the pipe to provide this profile, l, j infernatien. For piping 21" and larger, n : nan was placed in the pipe. Information jl from the censultant indicates that the reading device vr.s accurate to - 1/h", not j inclu.iir.d arv error en placing the device on -he invert. On sone of the lines ll s -(bornte1 vater and service water), an optical check was made. Piping not in the g 4
i
- Filos 0485.16 2
Meeting with NRC and ETEC cn j u Underground Piping i; February t, 1981 ) 1 1 J 4 }- - surcharge area was profiled only once, while those in the area of the surcharge ,f 1 were profiled prior to and after th'e surcharce. Only one pipe in each set was l profiM sir.:e -hey were. jtn case proximity. "Close proximity" vss defined a:: 10' to 20'. It was agreed to provide.the staff a percentage of the pipes profiled j. as well as a copy of the drawings of all piping in the area.. We responded nega-tively to their' question on whether we compared soil condition 4 to which piping 3 runs should be provided and whether we compared profiles of two pipes in the same trench. A.2 b: ~ We inforned them that we had fitted the survey data by computer to a smoothed curve which was forced to be within 1/h" of actual survey data taken. It was believed that this was better than using actual data. ETEC was worried whether the criterion of 1/h" is good enough and whether the interval being used was short enough in smoothing curve to the actual survey data. It was agreed that we vill update and submit new stress calculations for the September 1979 data with the nodel discussed above and vill then add to this stress assuming maximum possible settlements obtained from GeoTech for lifetime settleJnent of soils. Two of these have been run so.far and one is over the limit of 3 3. It appeared that the initial position of ETEC was that they would consider that there were not prob'.e:s if I S was the criteria and if " standard" nethods are used. It is still debatable on whet is considered " standard." A.2 a and b: During the profiling of this 8" line there was confusing data obtained since there was water in the line and the TV was fouled up as a result of this. Since this line was enly two feet from the surface when the tie rods from the diesel generator building to the turbine building were removed, the line was dug up and the indicated 6" dip was not there. The line was rebedded. We vill correct the data on this line in the next submittal. A. 3: There was a lengthy discussion on the results of the calculations to date and new curves on pipe positions were shown to them. It was indicated by Brammer (NRC Staff) that nonlinear analysis had been accepted on North Anna and it is agreeable to the staff to sharpen the pencil to demonstrate that the piping is okay; however, there must be adequate substantiation of the philosophy for doing this. It was agreed that the curve of the 260HBC-5h pipe was not in the package sent to them and will be provided to them. B: Method of calculations: (G12c) The reason for the different allevables was given to them including the a. specs used for the different size pipes. 4 t 5
- u. :_ -
x :-.. - ~ ~ - -
1 'Filot o 85.16 3 Meeting with M C and ETEC on {' Un'erground Piping d 1 February k. 1981 } 1 i 3 ? b. Same as Item a. f I 3C 't s 2 G " ? Anere was a discussioneca the connection detail; hcwever, we agreed to pro-j c. vide a more detailed drawing of the connection. ^ .I With respect to profiling, it was agreed that we would provide them a clear [ d. table of profile readings of all lines both before and after surcharge and an index of which lines in the survey are representative of other lines and why we consider these representative. It was agreed that this information would be provided in approximately a month and a half. It was explained to them that the reason for the change in the profiles e. was because the reference point is different on Figure 19-1 from September to June profiles and that this could be due to the fact that an optical profile was taken in September 1979 We vill check and let them know the reason for this-as well as why 100BC27 shows a rise after the surcharge. f. The new curves were reviewed and there was still a disagreement on how frequently the stresses should be calculated and whether it should be based upon the smoothing technique. g. There was dissigreement on how much rotational flexibility should be per- =1:ted and it was pointed out that we consider N as being over conserva-tive; however, we vill have to some how reach agreement between the more-conservative and less conservative end points for calculations during sur-charge. The calculation of end point stress during settlement over the lifetime of the plant will have to take into account the actual end point conditions and vill also have to address branch connections. We are to provide an indication of which pipes were free to move during the surcharge and Table 17-2 vill indicate the highest stress points and where piping was cut loose. The NRC seems to have a problem that we do not have data on how the pipe was originally installed. We agreed to plot data on 8-1HBC-81 prior to cutting the line. On Unit 2 condensate line, it was agreed that it will have to be handled in the same method as Unit 1 condensate line, . which has been shown to be over stressed just south of the diesel generator bui'.ii.g. C: There was then a discussion on possible other methods of analysis which could be used to show that there is no problem with the lines. This included using non-linear stress strain relationships. The staff seemed to be receptive to this, but has no acceptance criteria. They also indicated that seismie loading has to be addressed. O I l 4 e s a ,*ms',s = ,ee a w. s e e. . - - - -. -, - - - - -,... ~ - -, ,w --w-
DISCUSSION TOPICS NRC-ETIC-BECHTIL MEETING 'ANUART 20, 1981 3 J BETHESDA, MARTLAED 7 5 A. Status Update I-1. 50.54f Questions and Responses ^ f. 2. Survey Data a. 8-1ZBC-81 Re-bedded Condition ~ b. Purpose of Re-bedding 3. Calculations a. Results b. Affect on Previous Information 3. Method of Calculatians 1. ETIC Telecon Questions of 1/14/81 a. Reason for Different Allowables b. Bdsis for Allevables c. Connection Detail 36" to 26" Service Water d. Two Profiles of 26-OHBC-54 e. Reason for Change in Profiles Rev 2 to Rev 10 f. High Stress Levels 3 End Support Assu:nptions, 71xad or Einged l l l ? F -f e
...__.i.. _. i g' r. 'u, J. N I I 1 4 E i de u S W 8 + e e ENCLOSURE 2 VIEW-GRAPH SLIDES USED DURING JAMAURY 20, 1981 MEETING I e -e- ,--e. ,e- ,--,- - - -a s-< ,e e n
g e un e-i s;, ETEC BENDING NALYSIS Elastic Stress = 212.2 ksi Young 's Modulus = 29x10 ksi 3 ~ Equivalent Strain = 0.0073 in/in. 1 I I ) l S t t I
1 j l i i e MATERIAL PROPERTIES f ASME SA 155 KC70 (Fine Grain Killed Carbon Steel) F;pe is Fabricated From ASTM A516 Grade 70 Material Specified Properties: UTS : 70-90ksi Yield Strength : 38ksi min. Elongation in 8 in : 17% min. Eiongation in 2 in: 21% min. Stress limits : 3[c = 52.5 ksi Per equation 10, of NC-3652.3(b) \\ s -.
t A f,1 \\ 4 -4 i .i l' CODE LIMIT ELASTIC STRAINS i Code Stress Limit: 52.5 kai i Youngs Modulus: 29 x 10 kai Elastic Strain : 0.0018 in/in i l r- -,-r---. <-.w. .-w-.-+- c-r- .e-- r. . - -n-.
j 3 -g p I! e CODE LIMIT PLASTIC STRAINS I! s a i
- =KE"
~ Assume : n = 0.23 -l i I Ynt.rt For a Plastic Strain of e= 0.002 the Stress is 38 kal (from the definition of Yield Stress) K can be calculated to be : 159 ksi i l Plastic Strains Can be Plotted on a Log-Log Plot Plastic Strain for 52.5 ksi is 0.0084 G E e -w- ---c --y-, ,%,.,-y,- -,..,,,w---,,y,,,-,,p ,,---r-w ge-
""8"* LDGAreTHMeC /*'y. O CYCLCD184 CYCLC l 4 100 r.;. ll 'l -l _[ '! Alf p j I TT7 I i g!r% 43 c: M -- fl[4 -- 4 .l-l l> g ]lj; y ci: = y ..g y +y H
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i j 1 5, TOTAL STRAINS i i .~; Elastic strain = 0.0018 in/!n Plastic Strain = 0.0084 in/in Total Strain = 0.0102 in/in Strain Equivalent to 212.2 ksl Elastic Strain 0.0073 in/in Therefore Pipe Strain And Stress is Lower Than Code Limit Stress i 5 1 -~~~'--..T
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4 ~ 1 TABLE 17-3 SETTLEMENT, STRESSES OF PROFILED SYSTEMS ^Y' ME 5I setente Imeetten Profile Code ML 'I' N 'I 't1 Category Shown In shown in stresell) A11ewablel3) '. TA r lo s 1) tine 1 _rgeere _rieure thell ~g, f,y pf, _,,_i _ i (er.teewater11aes theil l isi30 25*/3s*-susc-Is Tee / 17 1 17-3 <fC b lS.2 52.s h o14o ,a s-na
=ar-n e v.. v 17 1 n.s 27.s n
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