ML20039E199
| ML20039E199 | |
| Person / Time | |
|---|---|
| Site: | Fermi  |
| Issue date: | 01/04/1982 |
| From: | Tauber H DETROIT EDISON CO. |
| To: | Kintner L Office of Nuclear Reactor Regulation |
| References | |
| EF2-55-980, NUDOCS 8201070005 | |
| Download: ML20039E199 (57) | |
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o c g yF.CIiEM 2 J AS 6 1982'" 42 T_ acy$$[ ] m: 4 January 4, 198R d' EF2 - 55,980 4, Mr. L. L. Kintner U. S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation Division of Licensing Washington, D. C. 20555
Dear Mr. Kintner:
Reference:
Enrico Fermi Atomic Power Plant, Unit 2 NRC Docket No. 50-341
Subject:
Purge Valve Operability You requested that three (3) items relating to purge f valve operability be submitted. This letter, and attachments thereto, contain this information. Attached.are the combined loading stress analysis _ on the shafts and a valve stress recort. __ ( The third item relates to the effect of an upstream elbow on an out-of-plane shaft orientation. Detroit Edison agrees to install (re-orient) and maintain all of the purge valves with an in-plane orientation, shaft relative to an upstream elbow. This agreement, supplemental to our closure analysis and stress reports, fully addresses this item. A copy of the stress report was also sent to T. Restivo. Sincerely, ,e W /
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~ -,,=~-.n=.----:...,. ..-~.~c, e i / i Attachment to: EF2 - 55,980 4 e + COMBINED LOADING STRESS ANALYSIS ON SHAFT FOR PURGE VALVES DETROIT EDISON - FERMI 2 f \\ (
PURGE VALVE COMBINED LOADING STRESS
SUMMARY
TABLE DETROIT EDISON - FERMI 2 1 VALVE COMPONENT SIZE [ SHAFT 6" 37,736 32,411 56,371 37,503 105,000 63,000 17-4 PH 10" 20,945 20,718 33,687 23,214 105,000 63,000 17-4 PH 20" 25,628 26,090 41,881 29,067 110,000 66,000 1144 Stress Proof 24" 9,907 11,396 17,380 12,426 30,000 18,000 316 SS BRACKET 6" 31,085 17,121 38,666 23,124 40,000 24,000 Duct. Iron 10" 9,632 6,853 13,192 8,376 40,000 24,000 Duct. Iron 20" 0 14,044 14,044 14,044 30,000 18,000 Carb. Stl. 24" 21,091 0 21,091 10,546 30,000 18,000 Carb. Stl. BRACKET 6" 21,529 14,482 28,809 18,044 105,000 63,000 SA 193-B7 BOLTS 10" 12,730 2,819 13,326 6,961 105,000 63,000 SA-193-B7 20" 52,226 40,628 74,409 48,296 105,000 63,000 SA-193-B7 24" 27,537 3,672 28,018 14,250 105,000 63,000 SA-193-B7 BODY NECK 6" 10" 15,202 1,974 15.454 7,853 30,000 18,000 SA-216 20" 4,271 2,596 5,497 3,361 38,000 22,800 SA-515 OR 70 24" 2,076 162 2,089 1,051 38,000 22,800 SA-515 GR 70 = Axial Plus Bending Stress (psi) = Transverne Plus Torsional Shearing Stress (psi) = Principal Normal Stress (Combined Stress, psi) i = Maximum Chear Stress (psi) = Allowable Normal Stress = Tension (or Compression) Yield Stress, psi = Allowable Shear Stress = Shear Yield Stress =.6 , psi DATA BASED ON SEISMIC QUALIFICATION REPORT JHA-76-34 (PI-2406) r
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_ y +.-. =, j.q:_;..... 3 1 Attachment to: EF2 - 55,980 1 SEISMIC QUALIFICATION OF 6" PURGE VALVE BASED ON REPORT JHA-76-34 (PI-2406) t e 9 Q_ ~ w w--o n, +< -, - -. m-e.,-a w a ~m, *. - - - - ~-- ~ .--,+w nes,~--er o w ww-w ww. n, - -, - w. ~v"=e w w - -.e-~~-e w ow e ---see.~e--*--
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s ' ".."-... I.s ~ ^ g. [.... ,r L.. b 'r.'f. - SEISMIC QUALIFICATION OF VALVES COVERED BY DETROIT EDISON COMPANY PURCHASE ORDER N0. IE-86782 TOR THE r ENRICO FERMI A'!OMIC PLANT UNIT No. 2 AND PROCESSED UNDER JAMESBURY ORDER NOS. NC 46261. NC 34252, AND JPB 73111 r REPORT NO. JHA 34 EMA-16-S*/ .r Prepared For ir JAMESBURY CORPORATION ~ 640 LINCOLN ST. WORCESTER MASS. 01605 <4 i , JAMESBURY CORPORATION P.O. 39286 TO JOHN HENRY ASSOCIATES INC. AUGUST 31, 1977 g I l e INI \\ / \\ N f 8 %. [gOz k '4D RET [.' .Q k 6 h lP 1 [-john hennj associates inc. ~.
..i_... _r,....,.,....,, e f.. [. '. TABLE OF CONIENTS Title Page No. Section [ 1.0 Certification 1 2.0 Introduction 2 6 3.0 Stannary 3 .J 4.0 Stress Analysis 4 - r 5.0 References 27 IW ,L p. e [ n i. g b g P t m l r" ,4 ,o pj-2 V0 G dPD l r l h. r. N E:.- e 1 pohn henry associates.nc. i g. ._m, Ae v-. --..=- - 1 w 'T
1. .,..,..........s.-- (.. \\ Seetion 1.0 I.' CERTIFICATION [. This Naport No %-76-34; presents the qualification for seismic { loading of the Jamesbury valves supplied to Detroit Edison Company a der their P.O. No..IE-86782 for the Enrico Fermi Atomic Plant Unit [. No. 2 and processed under Jamesbury Order No. NC 46261. g The analysis, performed in accordance with Detroit Edison Company. E , Specification No. ,5 concludes and is hereby certified to our best knowledge and belief that the valve designs will withstand with- [ . eut loss of function the service conditions given in the specification. [' Basic Valve Types Qualified Valve Size Type Actuator I: 1 6 8923EX ST290MS Mhn R. Henry [ p 8 8226EX SMC-04-2/HOBC Registered Professional Engineer, k 10 8923EX ST880MS Mass. Reg. No. 25929 20 8922EX T316-SR1 24 8922EX T416-SR2 24 , 8222EX SMB00/10-H3BC h (.See attachment number 46261 on Page la. ) l l r .s l p a vos w k. g 'g g% EB g1 sro af atsRY ~E 7 I 4~ 'Q,F!.s.'.hfI5' s.. w n :c I [ _,e q..oa.. - f [-john henry associates Inc. =
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^ 3.. s f.,' - r ~ [- Section 2.0 t T INTRODUCTION r-L' . In accordance with the Jamesbury Corporation Purchase Order No. 39286, John Henry Associates Inc. has performed a seismic qualification for the Wafer Sphare. Valves listed in Sect; ion 1.0. This report docu- 'N ments the analysis required by the Detroit Edison Company Speci- ~ fication (Ref
- 1) to complete this seismic qualification.
seeh ol e J The stress analysis was performed using hand calcu1'ations and results of previously performed analyses ~ (using finite element com - puter models) of similar valves and ac,tuators. In, the finite element model, the valve bonnet, linkage bracket, and main shaft were modeled ~ in considerable structural detail. Where the valve's body flexibility. .c was considered important in the stress calculations, the body, or a' } portion of it, was alsoh cluded in the model. c l The valves were analyzed for'the fo11owing1i6cfc. equivalent g ' ~ v loads (Ref.1): ,-s. [ 5.1) g in the horizontal plane 3.0 g in the vertical plane The seisg cd oads were applied in the horizontal and vertical directions ;s,imultaneot? sly. In addition, the ' shaft torque and pressure loads were applied ihising the seismic loading. Computations to deter-mine the stresses developed in the bolts of the bonnet flange were 2 also. performed. l l l F l }/-2V0 b l l A .[ pohn henry associates Inc. ~ = ~
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.z-....v.,...-.-.. :. DOCUMENT CONTROL Ml-oo-r-9oo.g.,g_ SEPS 1977 . i RRW2 STATUS Y f. ' 8.- Co.-- TAiOEs LTR.NO._ SEISMIC QUALIFICATION OF THE WAFER-SPHERE BUTTERFLY VALVE COVERED BY JAMESBURY ORDER NO. JPB-45525 $HA 68 RFPORT Mo rrA-7g-gg Prepared For JAMESBU?.Y CORPORATION 640 LINCOLN ST. WORCESTER, FMSS. 01605 ( JAMESBURY CORP 02ATION P.O.'45203 TO JOEH HErRY ASSOCIATES INC. APRIL 15, 1977 m {' Ul d 16c 9/-2Y0b l , vw:. lw L Q '.Cc b om. l ~ .c i o -- 'l FEB 011978 fl-2 & b am ) f 3.' f/" ---john henry associates inc.. j i L-- =. . m-
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,.g' .a. O TABLE OF CONTENTS Section Title Page No. 1.0 Certification ,1 2.0 Introduction 2 3.0 Sum: nary of Results 5 8 4.0 Materials Data '50 Geometry, Beam Property, and Weight . 10 Data s ~ 6.0 HQR Frequency Analysis- ' 57 7.0 Stress and Displaceinent Calculation 58 8.0 References 65 f Appendices 4 A. Co=puter Program Verification B. Computer Output Bl. 6 inch USV W/MA-020 B2. 10 inch WSV W/MA-030 B3 12 inch WSV W/MA-040 'g Earg7, + 'o o %.'N T, FEB 01197g 6 % = % s- >3 -s A i. p, a 9'o &. [ John henry associates inc. ~ . ~...
~ -. --. -n - -.-. ... = := * =.p u m - ii ;-X.--.' ~ ~ L+ -- i.-.. ~.--- .~ Section 1.0 l'. ' CERTIFICATION .- - m This report No. 'JRA_ZfL-61 presents the qualification for seismic loading of the Jamesburg valves listed below and supplied to the Tennessee Valley Authority under Jamesburg Order No. JPB-45525. The analysis performed in accordance with the TVA Specification No. W4-50-D723, Attachment C, Rev. 1, dated September 16, 1975; concludes and is hereby certified to our best knowledge and belief that the valve designs will withstand without loss of I function the service conditions given in the Specification. Size Type Actuator 6" 8126A MA-020 6" 8163A MA-020 8" 8126A MA-030 8"
- 8163A,
' MA-030 (, 10" 8126A MA-030 12" 8126A MA-040 ff-2 Y0 f ..y John R. Henry 8 Registered Professional Engr. Mass. Reg. No. 25929 gttis: ~ hm"... _"*w. 6N I.h *,' g e 4S ~... - 4pgot s 4 1 l --john henry associates inc---) ..r - - -=
~=-n=E25.:. ~ :.. ~:'.~.... = = - - ~ Section 2.6 INTRODUCTION I.. ' Obj eetive The purpose of. this report is to determine the structural adequacy of the'following Jame,sburg Corporation Wafer Sphere Valves: Size Type Actuator 6" 8126A MA-020 6" 8163A MA-020 8" 8126A MA-030 8" 8163A MA-030 10" 8126A MA-030 12" e 8126A MA-040.- A high degree of reliability is required because of the critical ( functions serve.d by the valves. Metheds of Ansivsis The analysis was performed in accordance with the require-ments of the TVA Specification,.Ref. 4. To complete the analysis it was convenient to first divide into' three groups such that l only one valve in each group would req'uire detaile_d_ analysis. ^ The other valves of the group were qualified geometric and the material allowable simularity to the valves analyzed. For the complete analysis of the three valves, couputer ( models were constructed for use with the CDC 6600 co=puter code STARDYNE (Appendix A). i pha O4 e .( gonn hennj associates inc. j . _. m ~ ...,... _.. _.. _. -......., - - -. ~,, -. v~+--~~-+~~
.,. J ..... - 5. E4.;1d?Ava,:s.. c.; _.. ~ "~ ~ Q Each valve was simulated by beam and plate elements to mathematically describe the mass and stiffness distribution of the valve upper-structure. In general, these elements were terminated at nodal points wherever structural discontinuities occurred, i.e., co'rners, changes in moments of inertia, etc. i Further, very stiff members such as the gear box and portions of the valve body were not structurally modeled, but their weight was included. The fundamental natural frequencie.s of the valves were determined by processing the mathematical models by the HQR model extraction. technique of the STARDYNE code. In each of the.three analyses perform'ed, the lowest natural frequency calculated was above 33Hz; therefore, a static analysis was perforhed to determine the stresses and deflections in the seismic environment. The accelerations imposed in the static analysis were 3g horizontal and 3g vertical. applied simultan-s.ously (Re,f. 4 para. 2.2). To implement this loading requirement c.v, fo load cases were performed for each of the three valves analyzed. In addition to the imposed accelerations, which are listed belou, the actuator torque and pressure stresses were also imposed. The torques and stresses were al,so.imposec. torques and pressures are listed below. t G Valves in Global Coerdin.tes l ) Load Case G1 G2 G3 1 p'7 3. 3. 4. 2 3. 3. pp -2 Load Case 1 shows the 'fect of vertical accoleratio adding to deadweight while Load e 2 shows the effee f vertical acceleration subtracting fro cau @.. gf 1 4 PE 2 SPe c. Tovi-roe 'To e e-Cg & J 3 [--john henry associares inc. m-
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- 8126A 205 275 275 6"
8163A 205 8" 8126A 325 275 8" 8163A 325 '275 10"
- 8126A 460 275 12"
- 8126A 560 275
- Indicates the valves mcdeled with STARDYNE.
Stress Limits In the stress evaluation of the valves, two different ^ sets of design allowable stresses were used. For non-pressure [ retaining parts, th'e allowables of the AISC Code (Ref. 7) were used, and for pressure retaining parts, the allowables from 'the ASME B & TV Code (Ref.1) Class-2 and 3 components were used. Cc=putation to determine the stresses developed in the bolts of the bonnet flange were also perfonted. l f/- 2 YAb ( l i d e ( ( 4 --john henry associates inc.. l C ,-.,...~.s_
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