ML19100A151
| ML19100A151 | |
| Person / Time | |
|---|---|
| Site: | NuScale |
| Issue date: | 04/05/2019 |
| From: | Rad Z NuScale |
| To: | Document Control Desk, Office of New Reactors |
| References | |
| RAIO-0419-65098 | |
| Download: ML19100A151 (150) | |
Text
{{#Wiki_filter:RAI0-0419-65098 April 05, 2019 Docket No. 52-048 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk One White Flint North 11555 Rockville Pike Rockville, MD 20852-2738
SUBJECT:
NuScale Power, LLC Supplemental Response to NRC Request for Additional Information No. 11 O (eRAI No. 8932) on the NuScale Design Certification Application
REFERENCES:
- 1. U.S. Nuclear Regulatory Commission, "Request for Additional Information No. 110 (eRAI No. 8932)," dated July 30, 2017
- 2. NuScale Power, LLC Response to NRC "Request for Additional Information No. 110 (eRAI No.8932)," dated April 30, 2018
- 3. NuScale Power, LLC Response to NRC "Request for Additional Information No. 110 (eRAI No.8932)," dated May 22, 2018 The purpose of this letter is to provide the Nu Scale Power, LLC (NuScale) supplemental response to the referenced NRC Request for Additional Information (RAI).
The Enclosure to this letter contains NuScale's supplemental response to the following RAI
- Questions from NRC eRAI No. 8932:
- 03.07.02-4
- 03.07.02-6 This letter and the enclosed response make no new regulatory commitments and no revisions to any existing regulatory commitments.
If you have any questions on this response, please contact Marty Bryan at 541-452-7172 or at mbryan@nuscalepower.com.
- ~~ Zackary W. Rad Director, Regulatory Affairs NuScale Power, LLC Distribution: Gregory Cranston, NRC, OWFN-8H12 Samuel Lee, NRC, OWFN-8H12 Marieliz Vera, NRC, OWFN-8H12 Enclosure 1: NuScale Supplemental Response to NRC Request for Additional Information eRAI No.8932 NuScale Power, LLC 1100 NE Circle Blvd., Suite 200 Corvalis, Oregon 97330, Office: 541.360.0500, Fax: 541.207.3928 www.nuscalepower.com
RAI0-0419-65098 : NuScale Supplemental Response to NRC Request for Additional Information eRAI No. 8932 NuScale Power, LLC 1100 NE Circle Blvd., Suite 200 Corvalis, Oregon 97330, Office: 541.360.0500, Fax: 541.207.3928 www.nuscalepower.com
Response to Request for Additional Information Docket No. 52-048 eRAI No.: 8932 Date of RAI Issue: 07/30/2017 NRC Question No.: 03.07.02-4 10 CFR 50 Appendix S requires that the safety functions of structures, systems, and components (SSCs) must be assured during and after the vibratory ground motion associated with the Safe Shutdown Earthquake (SSE) through design, testing, or qualification methods. On Page 3.7-22 of the FSAR, in the second paragraph, to discuss the adequacy of 7P Extended Subtraction Method (ESM) model, the applicant provided 7P versus 9P ISRS comparisons for the Capitola time histories in Figures 3.7.2-8 to10. However, the FSAR does not provide a comparison of transfer functions for the 7P and 9P models. The review of transfer functions is essential to ensure that the numerical implementation of the SSI analysis methods is acceptable and consistent with the guidance in OSRS Section 3.7.2. In the same paragraph, the applicant also states, "This level of agreement justifies using a 7P versus a 9P model and, because the results are similar, demonstrates the acceptability of using the extended subtraction method as an alternative to the direct method." The staff believes that 7P vs 9P ESM comparison captures only an "incremental" enhancement between the two models. The adequacy of an ESM model should be established against the direct method (OM). Therefore, in addition to a comparison of the 7P and 9P ESM models, the applicant is requested to provide a comparison of the transfer functions for the 7P ESM and the OM models at selected nodes of the critical sections and other important locations in the RXB and CRB, or, provide technical justification for why a 7P vs 9P comparison is sufficient and acceptable. Guidance in OSRS Section 3.7.2 allows the use of reduced-size models in comparing the solutions of the subtraction or modified subtraction method (SM/MSM) with those of the OM to gain insight into t~e adequacy of SM/MSM. NuScale Nonproprietary
NuScale Response: The NRC provided the following feedback regarding the August 24, 2018 supplement (ML18236A927) to this request for additional information (RAI) question during the audit of FSAR Sections 3. 7 and 3.8 in December of 2018.
- 1. For the Reactor Building (RXB), benchmarking results appear to show that extended subtraction method (ESM) in-structure response spectra (ISRS) results exceed the direct method (OM) results at few locations by more than 15% (e.g., RAI Figures 67 and 70).
Please provide ESM/DM ISRS comparisons at the following locations: NuScale Power Module (NPM) lug and skirt support, Reactor Building crane (RBC) support, spent fuel pool rack locations, and Bioshield support. If the exceedances are greater than 15%, provide a comparison of the OM ISRS with the design basis ISRS.
- 2. For the RXB, provide a comparison of NPM design basis support loads with those obtained from the OM.
- 3. For the Control Building (CRB), benchmarking results appear to show that ESM ISRS results exceed the OM results at the technical support center (TSC) (e.g., RAI Figure 8).
Please provide ESM/DM ISRS comparisons at the following locations: TSC (Node 38298) and the emergency equipment room (Node 35713). If exceedances are greater than 15%, provide a comparison of the OM ISRS with the design basis ISRS.
- 4. Include a COL item for the COLA to establish appropriate number of planes for the ESM.
The NRC provided additional feedback during a public meeting on February 26, 2019 as follows:
- 5. ISRS exceedances should be checked at the following additional locations (other than those already covered in the previous RAI responses):
- a. RXB Crane Support
- b. RXB Bioshield Support
- c. CRB Emergency Equipment Room
- d. CRB TSC Room/MCR 6*. It is difficult to accurately quantify the extent and level of ISRS exceedances by looking at Figures only. Therefore, the applicant is requested to provide numerical Tables that indicate NuScale Nonproprietary
exceedances in terms of percentage(%) of the control cases.
- 7. Please indicate in the RAI response, a description of the analysis cases involved in the sensitivity study.
Response to Question 1 Background Information, Methodology, and Approach The methodology used for comparison of the in-structure response spectra (ISRS) data is presented here. The Reactor Building (RXB) direct method (OM) ISRS plots are developed based on 4 percent structural damping and do not require scaling in order to be compared with the corresponding design basis ISRS. The first step is to compare the DM ISRS with 1.15 times the 7P extended subtraction method (ESM) ISRS. If the DM ISRS plots are bounded by 1.15 times the 7P ESM ISRS, no further action is needed, as this shows an exceedance of less than 15 percent. However, if the DM ISRS is greater than 1.15 times the 7P ESM ISRS, a comparison between the DM ISRS and 1.15 times the peak-broadened 7P ESM ISRS is performed. Subsequently, if the DM ISRS is greater than 1.15 times the peak-broadened 7P ESM ISRS, then comparison with 1.15 times the design basis ISRS is provided. Finally, if the DM ISRS is not bounded by 1.15 times the design basis ISRS, the design basis ISRS plots are updated to account for the identified exceedances. These steps are summarized in the following flowchart. NuScale Nonproprietary
Start Read DM & 7P ESM ISRS Yes PlotDM vs.1.15 x 7P ESM ISRS Yes 1. Plot DM vs. 1.15 x 7P ESM ISRS
- 2. Plot DM vs. 1.15 x Broadened 7P ESM ISRS Yes 1. Plot DM vs. 1.15 x 7P ESM ISRS
- 2. Plot DM vs.1.15 x Broadened 7P ESM ISRS
- 3. Plot DM vs. 1.15 x Design Basis ISRS Update Design Basis ISRS
- 1. Plot DM vs. 1.15 x 7P ESM ISRS
- 2. Plot DM vs. 1.15 x Broadened 7P ESM ISRS
- 3. Plot DM vs.1.lSx Design Basis ISRS
- 4. Plot DM vs.1.lSx Updated Design Basis ISRS Write Updated Design Basis ISRS End Figure 1. Flowchart for In-Structure Response Spectra Comparison, Direct Method vs. 7P Extended Subtraction Method NuScale Nonproprietary
Direct Method and 7P Extended Subtraction Method In-Structure Response Spectra Comparison The following table provides a list of locations where ISRS comparison is performed, as well as a description of the locations. Table 1. Locations for Direct Method vs. 7P Extended Subtraction Method In-Structure Response Spectra Comparison Node Number Direction(s) Location 4831 X,Y,Z To of Basemat within Grid Lines A, B, 4, 5 5642 X,Y,Z Northeast Corner on To of Basemat 5846 X,Y,Z To of Basemat within Grid Lines B, C, 2, 3 6145 X,Y,Z RXM 3 Floor Node under Module 16257 y RXM 1 Lu 16271 X RXM 1 Lu 16287 y RXM 1 Lu 16621 y RXM 6 Lu 16635 X RXM 6 Lu 16651 y. RXM 6 Lu 26345 X,Y,Z 27649 X,Y,Z Figure 2 through Figure 12 show the locations of the nodes in the RXB for which OM vs. 7P ESM ISRS comparisons are performed. NuScale Nonproprietary
'.\'ode 5642 Addiuona Inodes Figure 2. Three Nodes on Top of Basemat NuScale Nonproprietary
Xode 1608-&Xonh at Pool Wall at Grid Line R~-5 at £ 11.5'-0" Xode 6I-t5 at RUI 3 Hoo _-ode under llidule Figure 3. Node 6145 and Node 26084 , under Module 3 (Z=132") and at Pool Wall (Z=1320") NuScale Nonproprietary
~odell329 z
y X Figure 4. Node 11329 at East Dry Dock Wall , El. 50'-0"- Northeast Corner (Z=420") Additional nodes Figure 5. Nodes 13978 and 14328 at North Wall (Z=570") NuScale Nonproprietary
*'216 Lug uppor, Locations
- 3S3 Coded RUI6 z RU!l y
X Figure 6. Lug Support Locations at RXM 1 and RXM 6 (Z=673.73") NuScale Nonproprietary
~odt I 3 .?
z y X Figure 7. Node 17372 at North Pool Wall between Grid Lines RX-3 and RX-4 , El. 75'-0" (Z=720") NuScale Nonproprietary
X Figure 8. Node 23517 at Mid-Span of North Slab between Grid Lines RX-4 and RX-5 , El. 100'-0" (Z=1020") NuScale Nonproprietary
N y z X Figure 9. Node 26435 Located at Northeast Corner of Bioshield (Z=1320") t X
- 'iode 276-19 Figure 10. Node 27649 at Crane Rail Slab at Grid Line RX-4 , El. 145'-6" (Z=1548")
NuScale Nonproprietary
~odt !909S y z X
Figure 11 . Node 29098 Located at Northwest Corner on Top of North Exterior Wall (Z=1824") NuScale Nonproprietary
Xodt 30350 Figure 12. Node 30350 , at Center of Roof Slab Direct Method and 7P Extended Subtraction Method In-Structure Response Spectra Comparison Results Figure 13 through Figure 45 present the results of the RXB ISRS comparison between OM and 7P ESM methods. As shown in Table 2, six cases show exceedances above 1.15 times the 7P ESM ISRS , with one above 1.15 times the peak-broadened 7P ESM ISRS and 1.15 times the design basis. For this location , 26345 X, the design basis ISRS is updated to account for the identified exceedances, as shown in Figure 37. NuScale Nonproprietary
Table 2. Summary of the Direct Method and 7P Extended Subtraction Method In-Structure Response Spectra Comparison Results Number Node/ Location of Cases Direction OM> 7P ESM x1 .15 6 16271 , X RXM 1 Lug Support Locations 16635, X RXM 6 Lug Support Locations 27649 , X Crane Rail Slab 26345 , X Northeast Corner of Bioshield 26345 , Y Northeast Corner of Bioshield 26345 , Z Northeast Corner of Bioshield OM > Broadened 7P ESM 1 26345 , X Northeast Corner of Bioshield x1 .15 OM> Design Basis ISRS 1 26345 , X Northeast Corner of Bioshield x1 .15 RXB ISRS, Node 4831 , X Direction 1.6 ~-~~~~~-~-~~~~-~~~~~~ 1 _4 t-LI_ __:~~:-=E~SM
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10*1 Frequ ency (Hz) Figure 13. Reactor Building In-Structure Response Spectra Comparison , Node 4831 , X-Direction NuScale Nonproprietary
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-~~~-.-..-.-.........- - . . - - - ~ - ~
- - OM
- - ?P ESMx1 .15_J_;l,---,-----;--c--_
1.4 t-L--.:..:_.::.:::.:::..::..::.:.:..:: ! -,-: __-t---=------,--c---; 1.2 ,___ _ _ _ _._._:_,I,___ _ _ _ _ _..,__._________. 0.2 o~-~~~~~~-~~-~~~-~-~~~ ...... 10*1 Frequency (Hz) Figure 14. Reactor Build ing In-Structure Response Spectra Comparison , Node 4831 , Y-Direction RXB ISRS, Node 4831 , Z Direction 1.6 ..-----.--~-.-,-.,...,--~~~-..-.-~-~..---~-~
- - OM I 14 t-L-:_-:_-:.-:.~7P~ES=M~x~1~.1~5r,l------*-*~*r----:-----:--,-;
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0 ,;;...._-~~~..................... -~-~~ ...................... 10*1 Frequency (Hz) Figu re 15. Reactor Build ing In-Structure Response Spectra Comparison , Node 4831 , Z-Direction NuScale Nonproprietary
RXB ISRS, Node 5642, X Direction 1.6 .---~-.-~...-r.............----.---.~-.-,.........,.........---.-~..--.-.-.~ 1.4 J==~:ESMx~.~sll
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10-1 Frequency (Hz) Figure 16. Reactor Building In-Structure Response Spectra Comparison , Node 5642 , X-Direction RXB ISRS, Node 5642, Y Direction 1.6 .---~-.--.-..-.-............-.---.---.--.-.-,-,-...,......---.-~~-.-.~
--?PESMx1.15
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0 ~ - - ' - ~ ~ ~ ~ ~ - - - ~ ~ ~ ~ - - - . . _ _............_._........., 10-1 Frequency (Hz) Figure 17. Reactor Building In-Structure Response Spectra Comparison , Node 5642 , Y-Direction NuScale Nonproprietary
RXB ISRS, Node 5642, Z Direction 2 ~-~~~~ .~ .~ . ,---~~~~~-~~-~~~ I .. i-----. -*-*,----.-, * :- *----:--: -*- - : :*: *
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0 ==---~~~~. . . . . . . . . .,__- ~-~~. . . . . . u....1...- ~ - ~..._.~_._...J 10*1 Frequency (Hz) Figure 18. Reactor Building In-Structure Response Spectra Comparison , Node 5642 , Z-Direction RXB ISRS, Node 5846, X Direction 1.6 ~-~~~~~~---~~~~---~~~~
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- - OM !
- - 7PESMx1 .15 !
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10-1 Frequency (Hz) Figure 19. Reactor Building In-Structure Response Spectra Comparison , Node 5846 , X-Direction NuScale Nonproprietary
RXB ISRS, Node 5846, Y Direction 1.6 ~-~~~~~~-~~~~~~-~-~~~~
- - OM 1.4 f"'"'L--.:_:_=:.:..::.:~J-t-----.,.-:--:--:-t-- - - - - - , - ,:--:-i C
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0.4 1--- - - --v-..1,:...:..., + - - ~ - -~ -:....: * *-1-----~-----CC, o~-~~~~~~-~~~~~~--'~~~~~ 10*1 Frequency (Hz) Figure 20 . Reactor Bu ilding In-Structure Response Spectra Comparison , Node 5846 , Y-Direction RXB ISRS, Node 5846, Z Direction 2----~~~~---~--~---~~~~
- - OM 1.6 - ---~-+..,....,...-rl--~-----+---t-h-
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0 =-~~~...i......L.........._.....___~~~~~o....i...1..--'~~~~............J 10*1 Frequency (Hz) Figure 21 . Reactor Building In-Structure Response Spectra Comparison , Node 5846 , Z-Direction NuScale Nonproprietary
RXB ISRS, Node 6145, X Direction 1.6 - - - - - ~ ~ ~ - ~ - ~ - ~ ~ - - - - , - - ~ - ~
.1~511
.:_:~P:_ME::::S::.:.M::,:x:_:1~ 1, - - - -:m;----r--:--:---:--:-*- *- i 1.4 ' .
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0.2 1--- ~.,.s..<c.......--,......,._-+---+----.,....,.-~--,--~-___,,-...,., o~-~-~_._._~~-~~~-~~-~~~~~~ 10*1 Frequency (Hz) Figure 22 . Reactor Building In-Structure Response Spectra Comparison , Node 6145 , X-Direction RXB ISRS, Node 6145, Y Direction 1.6 .---~~--.--.--,-.--,..-,-. r
, ------,--.---,--,-~TTT--~~~,-,-.,..,....,
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10*1 Frequency (Hz) Figure 23. Reactor Building In-Structure Response Spectra Comparison , Node 6145 , Y-Direction NuScale Nonproprietary
RXB ISRS, Node 6145, Z Direction 1.6 ~-~-r-~~~~-~----,-~~~~-----,--~~~~
- - OM 1.4 t""L-::_-::_-::_-::_.:_:7P.. . :E::.:S:.::M::.. :x:.. :1:.. :. 1.::..5tt-------:----i----:--:----:---=-1 ..
Frequency (Hz) Figure 24. Reactor Building In-Structure Response Spectra Comparison , Node 6145 , Z-Direction RXB ISRS, Node 16257, Y Direction 4 .5 .---~~-r--.-,.-""T"T"rr----.-~----,--r-T""T""....,--~-~..........-,-,-,-,-, 4 ~= = ~:ESMx1.151-
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u~ 1.5 Cl) 0 -====-~~_.._..........................__~~~~................i...----'--'-....__.__.__._j_LJ 10*1 Frequency (Hz) Figure 25 . Reactor Building In-Structure Response Spectra Comparison , Node 16257, Y-Direction NuScale Nonproprietary
RXB ISRS, Node 16271 , X Direction 3.5 .----..----.--,-.,...................-----.-~~-,-.,...,...,...,..,..-~.---..---r--o--,-,~ 3 I==.~;. . ESM x1 .; 5 I .
--~---***"W'
§ 2.5 C:
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o---~-~~~---_,-- ~----~~~--_.__. u:g_ 1/) 0 ==----'---~-'---'-...i...L......__--'--____.---i..~.L.L........,__ ___;'-----'--....___......_.u.....i 10* 1 Frequency (Hz) Figure 26 . Reactor Building In-Structure Response Spectra Comparison , Node 16271 , X-Direction (a) RXB ISRS, Node 16271 , X Direction 3.5 .----..----.--,-.,...................-----.-~~-,-.,...,...,...,..,..-~--..---r--,--,-,~
- - OM
- - Broadened 7P ESM x1 .15
§ 2.5 C:
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RXB ISRS, Node 16287, Y Direction 4 .---~~-.--.-,-......,..,-,---,--,---,.-,-..-,-,........---,-~...--.-~
- - OM 3 .5 r1--:=..-:=_-:=_-::__:_:7P_E:::.:S::::M'.'...:x:..:1~
.1~5.J-t------:--,'\"-;-----:,--:-----,-,,--:;
3- - - - - - - - *-*-*-*-t ' - - - - --H-11-- t - - - - - - --1 0 ='---~__.___.__._._.......,__J...L__ _..___.___.___._........__..........__~_~.._,.~....._._. 10*1 Frequency (Hz) Figure 28. Reactor Bu ild ing In-Structure Response Spectra Comparison , Node 16287, Y-Direction RXB ISRS, Node 16621 , Y Direction 5 .---~~-.-.,.....,........,..,-,---,----,---,.-,-,-,-,,..,.......--,-~~....,.....,....-r,
- - OM 4 .5 - - 7P ESM x1 .15 i+------*-*- *-*1---------1 4 I - - - + - - + --+-.;-+-+*_,._.-+-----+----+-H 1---'-i----f-+-+--i-~-
? 3.5 - - - - - - .-.-.-.-- - i--- - --t-l*.-. ---------1 i 3 . . . ...
~
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0 ~=-~~_._..........................,___~~~__._~.......J....-~-~............~.........J 10* 1 Frequency (Hz) Figure 29. Reactor Building In-Structure Response Spectra Comparison , Node 16621 , NuScale Nonproprietary
Y-Direction RXB ISRS, Node 16635, X Direction 3.5 .-----.-----,---,-.,......,..~..-r-----.-~--.-..-.-..-.-r-~--.--~~........,
.____........... -.........""'~. .. .... ..,._.__ ----------. : .. . .......
§2.5 C
0
~ 2 - - - - - - - - - + - - - - - +-+---+--+- - - -- --,-------;
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~
tiGI a. U) 0.5 1--- - - - - - ' - - ' - ,,r, r- + - - - - - ' - - - - ' - - ' - ' + - - - - - - ' -'-'-I Frequency (Hz) Figure 30. Reactor Building In-Structure Response Spectra Comparison , Node 16635, X-Direction (a) RXB ISRS, Node 16635, X Direction 3.5 .--------r----.---r--.--r--.--r-rr-----.----,,..........---,-,--r-,.......,.----,,--,--~--,-......-.-,
- - OM
- - Broadened 7P ESM x1 .15
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0
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- 10-1 Frequency (Hz)
NuScale Nonproprietary
Figure 31 . Reactor Building In-Structure Response Spectra Comparison , Node 16635, X-Direction (b) RXB ISRS, Node 16651 , Y Direction 3.5 .---~......-...,.......,.....,....,.........,---~......-~,......,...................--....--~......-,.....,....T'"T"T"'O 3 I==~~ ESM x1 .15 I
-------* . ----..._. .. ------.-.......... * ~- - P -'Y"-w..
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8- 11--..---+--~.._.----,,....,,.___ _.--.,--_,,__.......,__-;---.---...-~ Frequency (Hz) Figure 32 . Reactor Building In-Structure Response Spectra Comparison , Node 16651 , Y-Direction NuScale Nonproprietary
RXB ISRS, Node 26345, X Direction 5~-~--~~~--~~-~~---~~~~
- - OM
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~ 1.5 0.5 0 -===-~~ ~ ~ . . . . . ........__-~___.~~~. . . . . . - -~~~~i.....o....i...
10*1 Frequency (Hz) Figure 33 . Reactor Building In-Structure Response Spectra Comparison , Node 26345 , X-Direction (a) RXB ISRS, Node 26345, X Direction 5~-~--~~~-~-~-~~---~~-~
- - OM 4.5 - - Broadened 7P ESM x1 .15 ,__ _ __,__ _ _ _ _ __
. ---**--***-.A.........
4 *-**-*--------'--'-~ "-'- -------~-- .
...J- * *
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~ 1.5 ...,.._,_.-+ * .
0 -===-~ ~ ~....._._..........._......__ __..____.~_.._~'---'--'------'~...__..__.~..........., 10*1 Frequency (Hz) Figure 34 . Reactor Building In-Structure Response Spectra Comparison , Node 26345 , X-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 26345, X Direction 5 ~ - ~ - . - - . - ~ ~ ~ - - . - ~ ~ - . -..........~---~~~~
- - DM 4.5 - - Design Basis ISRS x1 .15 4 1---- - - - + - + - " - - ' - + - - r l - - - - -_,..---,...;-+-~'------'--
§ 3.5 1---- - - - - - ' - - - + - - - - - +-+-,H--,-t C: **
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0.5 -- - ~ - * -..---**-...... ---------------* *. . 0 = = -~~~.....__.~....,_-~~-~........_.........__ _ ~ _ _.__.~L..L...LJ 10-1 Frequency (Hz) Figure 35. Reactor Building In-Structure Response Spectra Comparison , Node 26345 , X-Direction (c) RXB ISRS, Node 26345, X Direction 5 ~ - ~ ~ - . -.........................--~~~-.-...................---~~-.-....,......,
- - DM 4 .5 - - - Updated Design Basis ISRS x1 .15 **----....:.* -----*-*:*---*;-::-..--~-.:-.:
4 -----'--* ' * * * ~ : ; _ ~ : _: _: . . . . : . ::
- 1 . : : .1 . ..
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' I : ~ : : : :
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.: i : .. ..
0 ~!':::':::::::._~.....,__,.__._....;__,_.L.__~_,__.....L_,.__._~J__-__._~_,___.__.__........_,J 10-1 Frequency (Hz) Figure 36 . Reactor Building In-Structure Response Spectra Comparison , Node 26345 , X-Direction (d) NuScale Nonproprietary
RXB ISRS, Node 26345, X Direction 5~--..---,-~-..--~~--~~~~~~--.--.--,r-r....--,-~
- - Design Basis ISRS 4.5 - - Updated Design Basis ISRS 1-----+--- - -- - ---;
........"i",-----........~ - - - - - -.........--++1 i
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- i" . . 1- - ~ - - . . . . . . _ _ _ . _ . _ _ . . . . . . . ,
10*1 Frequency (Hz) Figure 37 . Reactor Building In-Structure Response Spectra Comparison , Node 26345 , X-Direction (e) RXB ISRS, Node 26345, Y Direction 5 ,----.---r--r°""T""°T"'T'""'TT--...---..---..--..-,-............-r---,--...--,.......,.~...,......,
- - OM 4.5 - - ?P ESM x1 .15 t - t - - - - - - - - - - 1 r - - - - - , - - - - - c - - ---t 4 1-------+-+--i->-t----11--~...,.....,+-------+-<----t
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~ 1.5 2 1---------------r--~ T- -t-1'-#- -tt--- - - - - - ;
- ----+-~-:---i--- - - - ~-,..,~....---~-~......,
0.5 .
------.. ' --4---~--- '.-- i-**-- - - ---V"'--+--;.--*---4-i 0 t==:=-.......___.___._......_...............,__ _....___...._~..................u......_~.......... ~ ...........................,
10*1 Frequency (Hz) Figure 38. Reactor Building In-Structure Response Spectra Comparison , Node 26345 , Y-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 26345, Y Direction 5..---~~~~~~--~~~~~-~-~-~~
*: j~ ~~*~d7Pr ~ 15~ --'~ =---=-=-
§ 3.5 -*-*-- --*---*-*--**-*-- -----*-**-*-*-----*-----*----**-
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. ..***----.~
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<(
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en 1.5 1------+-+---+-+-'---,- __,--,.__._ - ++-\-- - - - - . - ,,__ 0.5 0 =~~~~......._. . . . . .....__ _._~~_._.......__.........__~_...__. . . . . . . . . . ~ 10* 1 Frequency (Hz) Figure 39. Reactor Building In-Structure Response Spectra Comparison , Node 26345 , Y-Direction (b) RXB ISRS, Node 26345, Z Direction 2.5 ..---~~~~~~--~~~~~-~-~-~~ 2 : . .J.... * ..
..- *
- t,
- 1. * - - - - - - ~ - - -.. * - -
- 0.5 0 ==--...i_.....L.~..i......l.................__ __,_____..........~........_.........__ ___._ ..;.__..;.__;.~..........,
10*1 Frequency (Hz) Figu re 40. Reactor Bu ilding In-Structure Response Spectra Comparison , Node 26345 , Z-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 26345, Z Direction 2.5 .----~--,---,--r--,---.--,--.-r------r---.---.--,--.-,-rTT--~~..,.......,,..................,
- - DM
- -Broadened 7P ESM x1 .15 2 t---~~---+------- -'-'---'1-~----,---l--~ . . .
§ C
0
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u q;
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*- - .. '*,o*o-*o.... * ,.*
uCl) .. Q. (I) 0 ==:::..._~~~.....___.................,__~~~~~........i.--~~~*....._..... * ....... 10*1 Frequency (Hz) Figure 41. Reactor Building In-Structure Response Spectra Comparison , Node 26345 , Z-Direction (b) RXB ISRS, Node 27649, X Direction 5 .----~----r---.--r-r........-.-r------r---.---.--,--.-,-.,...,....--~~..,.......,,..........r-T'"T"
- - OM 4.5 - - 7P ESM x1 .15 r t - - - - - - - - + - - - - - - -
4 ---- *-**-* *. . . *. . . ' ____ _;,.__..._~ * -.&.---, . ---~----"-**--. -
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~
~ 1.5 0 '===-'---'-~........................u....._ _.____.__.._~......................--..___.....__........_......_i.....o...i.J 10* 1 Frequency (Hz)
Figure 42 . Reactor Building In-Structure Response Spectra Comparison , Node 27649 , X-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 27649, X Direction 5.-----~--.---.-"T""T""T""T"~-~--.~--.-~~---.-~~~~
- - OM 4.5 - -Broadened 7P ESM x1 .15 1-----'---'--'+--------'--'----'-l
** : I
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~.
QI 3
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t; QI
~ 1.5
---~-~-*-
0 i;;;;;,,::::::::::::_~~~............l-~-~~..............l..-_;_~~.........................J 10*1 Frequency (Hz) Figure 43 . Reactor Building In-Structure Response Spectra Comparison , Node 27649 , X-Direction (b) RXB ISRS, Node 27649, Y Direction 15.-----~~--.-"T""T...,....,.~--.---.~--.-~~---.-~~~~ I==~: ESM x1 .151
§ . . ______..___ _ ..
C: 10 . . 0 QI Gi LI LI C(
~
i 5 ------***--*-*-** . :-;-~- .. 0 l - - = =.::::::::I:::::::~....L-.....__~............~..i.1.-~~~..;__j_.........J 10*1 Frequency (Hz) Figure 44. Reactor Building In-Structure Response Spectra Comparison , Node 27649 , Y-Direction NuScale Nonproprietary
RXB ISRS, Node 27649, Z Direction 3 .----~---r---r-..-,-m~-~---r---r-..-r-..-.-.~---r----,----r-,-,-"T""T"Ti I==~~ ESM x1.1 s I
. . : -.-+--l+W'---**-*---- - -
0.5 0 1=:::::=-~~__.__._._~.,__-~~~~...........-'----- __.__~~.......... ~ 10*1 Frequency (Hz) Figure 45 . Reactor Building In-Structure Response Spectra Comparison , Node 27649 , Z-Direction NuScale Nonproprietary
Updated Design Basis In-Structure Response Spectra for Floor Elevations Node 26345 , shown in Figure 46 , is used to develop the design basis ISRS for floor elevation 126 ft. Therefore, any changes to this node's design basis ISRS should be examined and compared with the enveloped ISRS for floor elevation 126 ft . Figure 47 provides this comparison for the X-direction . As shown , the floor's enveloped ISRS bounds the updated ISRS for node 26345 in the X-direction . Thus, updating the design basis ISRS for the enveloped floor elevation 126 ft ISRS is not necessary. Figure 46. Node Numbers for Floor El. 126' In-Structure Response Spectra Generation NuScale Nonproprietary
RXB Design Basis ISRS Comparison, 5% ISRS Damping 5 ,-----.----,----,---.-.....,....,........,.--,----,--,--.-r~.-r-----.--,--.......,.....,.........,...,..,
- - Floor Elev. 126 ft, X Direction : : : : : : : :
4 .5 * - - Node 26345, X Direction .....:-~-;---:, - - - -- - * *--* ~-..:.....:..
- : l .. . .. ....
- i
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- * : :1 . : : : : : :
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0.5 0 10*1 100 101 102 Frequency (Hz) Figure 47. Reactor Building Design Basis In-Structure Response Spectra Comparison , Floor El. 126' vs. Node 26345 , X-Direction NuScale Nonproprietary
Response to Question 2 Forces and moments in the north pool wall are provided in Table 4, below. The NPM1 bay walls, including the pool wall and two wing walls, are shown in Figure 48. The 16 elements in the pool wall around the north lug support of NPM1 are selected to compare forces and moments. The maximum forces and moments among the 16 elements are compared in Table 4 and the percent differences are included. The percent difference is calculated using the formula
% difference = (ESM-DM)/DMx100%
A positive difference indicates the ESM value is greater than the corresponding DM value. A negative difference indicates the DM result is greater than the ESM result. If a negative difference is not more than 15 percent, the ESM value associated with the negative difference is deemed acceptable. As shown in Table 4 all the ESM values in the pool wall elements are acceptable because the differences are less than 15 percent. NuScale Nonproprietary
East Wing Wall Indicated by dashed rectangles are the 16 selected pool wall shell elements near NPM1 north lug support in the pool wall for force and moment comparison between ESM and DM. North lug Support z y X Figu re 48 . Selected Shell Elements in North Pool Wall near NPM1 Lug Support NuScale Nonproprietary
Table 4. Comparison of Maximum Forces and Moments in the North Pool Wall near the North Lug Support of NPM 1 between ESM and DM Force or Description Maximum Values Moment ESM OM Difference (% )t Compared Sxx (kip/ft) In-plane force in 182 186 -2.3% the EW direction Syy (kip/ft) In-plane force in 164 172 -4.9% the vertical direction Sxy (kip/ft) In-plane shear 211 221 -4.6% force Mxx (kip-ft/ft):t Bend ing about 326 347 -6.1% the vertical axis Myy (kip-ft/ft):t Bending about 372 393 -5.2% EWaxis Vxz (kip/ft) Out-of-plane 214 228 -6.1% shear in the vertical section Vyz (kip/ft) Out-of-plane 92 97 -4.4% shear in the horizontal (EW) section t % = (ESM-DM )/DM *100. A negative % indicates the ESM value is less than the DM value
- t: The twisting moment Mxy was added to Mxx and Myy.
NuScale Nonproprietary
Response to Question 3 Background Information, Methodology, and Approach This section presents the methodology used for comparing the ISRS data, as well as the methodology for scaling ISRS acceleration data from 7 percent structural damping to 4 percent structural damping. ISRS Acceleration Comparison Methodology The approach used for comparing the OM vs. 7P ESM ISRS is presented here. The OM ISRS plots are developed based on 7 percent structural damping and require scaling in order to be compared with the corresponding design basis ISRS. The first step is to compare the OM ISRS with 1.15 times the 7P ESM ISRS. If the OM ISRS plots are bounded by 1.15 times the 7P ESM ISRS , no further action is needed , as this shows an exceedance of less than 15 percent. However, if the OM ISRS is greater than 1.15 times the 7P ESM ISRS , a comparison between the SS ISRS and 1.15 times the peak-broadened 7P ESM ISRS is performed . Subsequently, if the OM ISRS is greater than 1.15 times the peak-broadened 7P ESM ISRS, comparison with 1.1 5 times the design basis ISRS is provided. Finally, if the damping-scaled OM ISRS is not bounded by 1.15 times the design basis ISRS, the design basis ISRS plots are updated to account for the identified exceedances. These steps are summarized in the flowchart below. NuScale Nonproprietary
Start Read OM & 7P ESM ISRS Yes Plot OM vs . 1.15 x 7P ESM ISRS Yes 1. Pl ot OM vs . 1.15 x 7P ESM ISRS 2 . Plot OM vs . 1.15 x Broadened 7P ESM ISRS Scale OM ISRS using a constant scale factor Yes 1. Plot OM vs. 1.15 x 7P ESM ISRS
- 2. Plot OM vs . 1.15 x Broadened 7P ESM ISRS
- 3. Plot Scaled OM vs . 1.15 x Design Bas i s ISRS U pdate Design Basis ISRS
- 1. Plot OM vs . 1.15 x 7P ESM ISRS
- 2. Plot OM vs . 1.15 x Broadened 7P ESM ISRS
- 3. Plot Sca l ed OM vs.1.15 x Desi gn Basis ISRS
- 4. Plot Sca l ed OM vs.1 .15 x Updated Design Basis ISRS Write Updated Des ign Basis ISRS End Figu re 49 . Flowchart for In-Structure Response Spectra Comparison , Direct Method vs.
7P Extended Subtraction Method NuScale Nonproprietary
Direct Method and 7P Extended Subtraction Method In-Structure Response Spectra Comparison Table 3 provides a list of locations where ISRS comparison is performed and a description of the locations. Table 3. Locations for Direct Method vs. 7P Extended Subtraction Method In-Structure Response Spectra Comparison Node Number Direction(s) Location 35713 X, Y, Z Emergency Equipment Room Between Grid Lines CB-D and CB-E at El. 76'-6" 38298 X, Y, Z Slab between Grid Lines CB-A and CB-B (Technical Support Center) at El. 100'-0" The following figures show the locations of the nodes in the CRB for which OM vs. 7P ESM ISRS comparisons are performed . Figure 50 . Selected Node for In-Structure Response Spectra Comparison at Top of Concrete , El. 76'-6" NuScale Nonproprietary
Figure 51 . Top of Concrete at Technical Center and Grade El. 100'-0" In-Structure Response Spectra Node Locations Direct Method and 7P Extended Subtraction Method In-Structure Response Spectra Comparison Results None of the scaled DM ISRS plots show exceedances above 1.15 times the peak-broadened 7P ESM ISRS. Therefore, ISRS scaling and comparison with the design basis ISRS is not required. NuScale Nonproprietary
CRB ISRS, Node 35713, X Direction 2.5 ~-~~~~~~-~~~~~~---~~~~ 2 1--- + ---;-+-+-'-+-..+--~- --..---,H-+-~--+-- *~ *""T"M
- 0.5 1--- - , - --,--'---cr+.c.+-- - : - - - - -;...,-+-- - - ---'- ...;....-i 0 =--~-~_.____._. . . . . . .i...J.__ __._~~-~.......i.-----~..._.~.........LJ 10*1 Frequency (Hz)
Figure 52 . Control Building In-Structure Response Spectra Comparison , Node 35713 , X-Direction CRB ISRS, Node 35713, Y Direction 2.5 ~-~~-~~~-~-~~~~---~~-~ 2 *-: . -~ . -* : - - -..~--- - ---; *- C: 0 1;
~
QI 1.5 1----.----....-...-,.--...--1---.---;....,.µ........,,,___.....-+----+----.....;,-..-..j u
~
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- - --~-
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. ______.... *-4-**----.
0 ,::.__......__~~................._--~~~~.....u..-~--'--~....................., 10*1 Frequency (Hz) Figure 53 . Control Building In-Structure Response Spectra Comparison , Node 35713 , Y-Direction NuScale Nonproprietary
CRB ISRS, Node 35713, Z Direction 3.5 ,---....--,--,.- . ~. ..,._..,._.....,.., _.---~~-.--.........~-,---..---.-~,.......,CT"! I==~~ x1 .151 ESM 3 f-=======;'-+---.....---;...-.....+---..,---:.---~ 0.5 *-- * - .: ---- . -*- :. ---- 0 -====-~~~..i......C-'-'-.ll--~~~-'-~.........__ __.c.__~ ...___;~....._.., 10*1 Frequency (Hz) Figure 54 . Control Building In-Structure Response Spectra Comparison , Node 35713 , Z-Direction CRB ISRS, Node 38298, X Direction 5 .----.---.--,.-~........T'T"""--,--,---.-,.-.-.-........- - , - . . . . - . . . - - , - . . -..........
. . *1 . .. . . . : .
4.5 *1==~~ESMx1.15~----.. ,- ._: *>-'.: . ._.___
.. *"i:
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4 I-----.....;.....;.-.,....;...,-:-+-!--....-r-_._+-,-IH+- - - - , - - - -
- *1 ..
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g ; =: .I
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. ..-,-**+
0 1==:=-.....__~~~........_......__ _ _ . _ ~ ~ ~ ~ . L . I . J . . - - ~ . . . . . _ _ ~................, 10*1 Frequency (Hz) Figure 55. Control Building In-Structure Response Spectra Comparison , Node 38298 , X-Direction NuScale Nonproprietary
CRB ISRS, Node 38298, Y Direction 5~--~~~~~-~--~~~----~~~
- - OM *
- 4.5 - - 7P ESM x1 .15 ..._; - - ' - - - - - - + - - - - - - - - *--1
- 4 -----+-+-,---.-...;..----,---.--.-;-+-.-m+------'-ii--'--,oi
§ 3.5 1--- - - - - - - - - - - - -Jit-t----,,--------1 C : :1 0
~ 3 ai : :. i
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;£ : : :i
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0.5 0 ===~__..__._.._............i...l...._ _.______.__.__.._...... .....
. w* *...1....-_ _.___.__.__._.'--'--'.J.J 10-1 Frequency (Hz)
Figure 56. Control Building In-Structure Response Spectra Comparison , Node 38298 , Y-Direction CRB ISRS, Node 38298, Z Direction 10 9 ==~:ES~ 11 iI~-----~s IL**--***-~*--: X . I I
-~--,~-:
.__[,___ _i: __.:_:_;
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Q) Q. (/) 3 2 0 L--==::::::=........L_......._~. . . . . .~ ;_jj_--~~..:.........._..........j 10-1 Frequency (Hz) Figure 57 . Control Building In-Structure Response Spectra Comparison , Node 38298 , Z-Direction NuScale Nonproprietary
Responses to Questions 4, 5, 6, and 7
- 4. NuScale has included COL Item 3.7-15 in the attached FSAR markup.
- 5. The information has been provided as a part of Responses 1 and 3 above.
- 6. As discussed with the NRC on February 26 , 2019 , in lieu of providing tables, NuScale has provided plots of 1.15 times ESM to show where or if there are exceedances greater than 15 percent. This allows clear inspection of the data.
- 7. The following describes the analysis cases involved in the sensitivity study.
Two models were used for the RXB. The first model using the 7P ESM for the FSAR is a full , three-dimensional model. The term '7P' indicates the nodes in seven selected planes of the excavated soil model are used as the interaction nodes for soil impedance calculation. The seven planes include four side planes, top and bottom planes , and an intermediate horizontal plane. In order to analyze the RXB with the OM , a half RXB model must be used so the number of interaction nodes is within the capability of the SASSl2010 program . Therefore , a half model of the north half of the RXB was analyzed for the OM . Both models were then analyzed for Soil Type 7, cracked concrete condition with 4 percent concrete damping . The five certified seismic design response spectra (CSDRS)-compatible time histories (i.e., Capitola , Chi-Chi , El Centro, lzmit, and Yermo) are used as the seismic input by averaging the results from the five inputs. Similarly , two models were used for the CRB. The first model uses the ESM and generates the FSAR results. The second model is the same model , but uses the OM. Both models were analyzed for Soil Type 7, cracked concrete condition with 4 percent concrete damping . The same five CSORS-compatible time histories are used by averaging the results from the five inputs. Impact on DCA: The FSAR Section 3.7.2 , Tables 1.8-2 and 3.7.2-56 , and Figures 3.72-114 , 3.7.2-11 Ba and 3.7 .2-119a have been revised as described in the response above and as shown in the markup provided with the response to question 03 .07.02-6. NuScale Nonproprietary
Response to Request for Additional Information Docket No. 52-048 eRAI No.: 8932 Date of RAI Issue: 07/31/2017 NRC Question No.: 03 .07 .02-6 10 CFR 50 Append ix S requires that the safety functions of structures, systems, and components (SSCs) must be assured during and after the vibratory ground motion associated with the Safe Shutdown Earthquake (SSE) through design , testing , or qualification methods.
- a. DSRS 3.7.2 provides guidance that effects of potential separation or loss of contact between the structure and the soil during the earthquake should be considered in SSI analysis. On Page 3.7-23 of the FSAR , in the second paragraph from the bottom, the applicant states, "To model the soil separation , the Young 's modulus of the backfill elements down to a depth of 25' (the top four layers of backfill elements) was decreased by a factor of 100 ." The applicant is requested to provide a basis for 25 ft of separation depth . Also , please clarify if the modulus reduction by a factor of 100 applies only to the backfill elements interfacing with the exterior walls or to all the backfill elements outside the exterior walls.
- b. On Page 3.7-23 of the FSAR , in the bottom paragraph , the appl icant states, "Soil separation has negligible effect on the response of the structure. The primary point of comparison is at the NPM . The study showed that the maximum reaction force at the base of the NPMs decreased by approximately 5 percent, and the maximum reaction force at the NPM lug restraints decreased by more than 15 percent. " The applicant is requested to provide information on soil separation effect on computed transfer functions and seismic demands (forces , ISRS) at critical section locations and external walls. Please provide comparison plots for results between the intact and soil-separated cases. When soil- separation results in increased seismic demands, such increased demands should be taken into account in establishing the design basis seism ic demands.
NuScale Nonproprietary
- c. The staff notes that a soil-separation study was conducted for the RXB but not for the CRB.
The applicant is requested to provide a technical justification for not conducting a similar study for the CRB. NuScale Response: The NRC provided the following feedback regarding the August 24 , 2018 supplement (ML18236A573) to this request for additional information (RAI) question during the audit of FSAR Sections 3. 7 and 3.8 in December of 2018.
- 1. For the Reactor Building (RXB) , a soil-separation/nonsoil-separation (SS/NSS) in-structure response spectra (ISRS) comparison is needed at the following locations: NuScale Power Module (NPM) lug and skirt support, Reactor Building crane (RBC) support, spent fuel pool (SFP) rack locations, and bioshield support. An NPM support and the RBC support load comparison is also required .
- 2. For the Control Building (CRB) , benchmarking results appear to show that SS ISRS results exceed the NSS results at few locations by more than 25 percent (e.g., FSAR Figures 3.7.2-136 and 138. RAI Figures 75 , 78 , and 90) . At these locations, provide a comparison of SS cases with the design basis demand .
The NRC provided additional feedback during a public meeting on February 26 , 2019 , as follows :
- 3. ISRS exceedances should be checked at the following additional locations (other than those already covered in the previous RAI responses):
- a. RXB Crane Support
- b. RXB Bioshield Support
- c. CRB Emergency Equipment Room
- d. CRB TSC Room/MCR
- 4. It is difficult to accurately quantify the extent and level of ISRS exceedances by looking at Figures only . Therefore , the applicant is requested to provide numerical Tables that indicate exceedances in terms of percentage(%) of the control cases.
- 5. Please indicate in the RAI response , a description of the analysis cases involved in the sensitivity study.
NuScale Nonproprietary
Response to Question 1 The NPM support reactions were provided in Table 1 of the May 22 , 2018 RAI response submittal (ML18142C204), which shows close agreement in the soil-separation case and the design basis. Background Information, Methodology, and Approach This section presents the methodology used for comparing the ISRS data and the methodology for scaling ISRS acceleration data from 7 percent structural damping to 4 percent structural damping. In-Structure Response Spectra Acceleration Comparison Methodology The approaches used for comparing the direct method (DM) vs. 7P extended subtraction method (ESM) ISRS and the SS versus NSS ISRS are almost identical. The difference is the DM ISRS plots are based on 4 percent structural damping and do not require scaling in order to be compared with the corresponding design basis ISRS. The first step is to compare the SS ISRS with 1.15 times the NSS ISRS . If the SS ISRS plots are bounded by 1.15 times the NSS ISRS , no further action is needed , as this shows an exceedance of less than 15 percent. However, if the SS ISRS is greater than 1.15 times the NSS ISRS , a comparison between the SS ISRS and 1.15 times the peak-broadened NSS ISRS is performed . Subsequently , if the SS ISRS is greater than 1.15 times the peak-broadened NSS ISRS, comparison with 1.15 times the design basis ISRS is provided . Finally , if the damping-scaled SS ISRS is not bounded by 1.15 times the design basis ISRS , the design basis ISRS plots are updated to account for the identified exceedances. These steps are summarized in the following flowchart. NuScale Nonproprietary
Read SS & NSS ISRS Yes PlotSS vs . 1.lS x NSS ISRS Yes 1. Plot ss vs . 1.lS x NSS ISRS
- 2. Plot SS vs . l.lS x Broadened NSS ISRS Sca le SS ISRS using a constant sea le factor Yes 1. Plot SS vs . 1.15 x NSS ISRS
- 2. Plot SS vs . 1.15 x Broadened NSS ISRS
- 3. Plot Sca led SS vs . 1.15 x Desi gn Basis ISRS Update Design Basis ISRS
- 1. Plot SS vs . 1.15 x NSS ISRS
- 2. Plot SS vs. 1.15 x Broadened NSS ISRS
- 3. Plot Scaled SS vs. 1 .1S x Des ign Basis ISRS
- 4. Plot Scaled SS vs.1.15 x Updated Des ign Basis ISRS Write Updated Design Basis ISRS End Figure 1. Flowchart for In-Structure Response Spectra Comparison , Soil-Separation vs.
Nonsoil-Separation NuScale Nonproprietary
In-Structure Response Spectra Damping Scaling Methodology Soil-separation ISRS acceleration plots are based on 7 percent structural damping , whereas design basis ISRS plots are based on 4 percent damping. Therefore , SS ISRS plots are scaled to 4 percent damping in order to be equivalent and are compared with the design basis ISRS, if needed. Hence, a scaling methodology has been developed and a constant scale factor is selected through comparison of the results of three different methods. The ISRS damping scaling methodology is summarized in the following steps:
- 1. Identify all node and direction combinations where ISRS scaling is needed.
- 2. Run a SAP2000 fixed-base time history analysis using certified seismic design response spectra (CSDRS)-compatible , Capitola time history input in east-west, north-south , and vertical directions, with 4, 5, 7 percent structural damping.
- 3. For each node and direction identified in step 1, calculate the square root of the sum of the squares ISRS using 5 percent ISRS damping .
JSRS (SAP 2000, 4 % Damping ) 4 . Calculate a --------- ISRS (SAP2000. 7 1\ Damping )
- 5. Generate ISRS for 4 percent structural damping using the NUREG/CR-6728 method based on the SAP2000 fixed-base analysis and 5 percent structural damping from step 3.
JSRS (NUREG , 4 % Damping )
- 6. Calculate b JSRS (SAP2000, ? % Damping )
- 7. Generate ISRS for 4 percent structural damping using the White-Noise Method (Reference
- 1) based on the SAP2000 fixed-base analysis and 5 percent structural damping from step 3.
JSRS (i. - Noise , 4 % Damping )
- 8. Calculate c= .
JSRS (SAP 2000, 7 % Damping )
- 9. Compare a , b , and c to determine a constant damping scaling factor.
NUREGICR-6728 Method Section 4.9 of NUREG/CR-6728 provides several methods for estimating design response spectra for damping values other than 5 percent based on the 5 percent damped spectrum. The random vibration method is described as the most theoretically consistent method to account for damping. The procedure presented below is used for scaling the ISRS acceleration plots. NuScale Nonproprietary
_ 1 + 4.9 ( f D _ . SA (J, () - SA (J, 0.05) [1 + 4.9 x 0.05 f D] 0 41 1 :5 f < 5 Hz Equation 1 SA (J, 0 = {PGA 2
+ [SA (J, 0.05) 2 2 1 + 4.9 ( f D -o.a2}1/2
- PGA ] [1 + 4.9 x 0.05 f D] 5Hz <f Equation 2 Where:
SA: Spectral Acceleration f: Frequency f Damping D: Strong Motion Duration PGA: Peak Ground Acceleration Per NUREG/CR-6728, in Equation 2, the second term on the right-hand-side (involving subtraction) should not be less than 0. The following assumptions are made while using Equations 1 and 2:
- PGA for horizontal and vertical directions is 0.5g
- Duration of strong motion is 7 sec
- CSDRS-compatible Capitola acceleration time history input is used White-Noise Method The White-Noise Method , shown below, uses the square root of the damping ratio as the scale factor.
DSF cc j Equation 3 Where: DSF: Damping Scaling Factor
/3: Damping ratio(%)
NuScale Nonproprietary
As shown in the following sections, SS ISRS accelerations exceed 1.15 times the peak-broadened NSS ISRS at one location only , i.e. , 27529 Z, requiring the damping scaling factor to be developed. In accordance with the damping scaling methodology described above , a SAP2000 fixed-base time history analysis using CSDRS-compatible , Capitola time history input in the east-west, north-south , and vertical directions is performed for structural damping of 4 , 5, and 7 percent. Then , ISRS plots are generated as shown in Figure 2. Damping scaling factors , described in steps 4 , 6, and 8 of the methodology, are plotted in Figure
- 3. After comparing these plots, a constant damping scaling factor of 1.15 is selected to scale the ISRS accelerations from 7 percent structural damping to 4 percent structural damping .
For verification purposes, a comparison is made between the ISRS plot generated by the SAP2000 fixed-base analysis and three ISRS plots calculated based on the scaling methods described in this section . As seen in Figure 4 , the estimated ISRS accelerations reasonably match the calculated SAP2000 ISRS. RXB Fixed-Base ISRS, Node 27529, Z Direction 4 .--~-.-...,......-.-,,...,....,---...--~-.-,...................---...--~-.-.....-.,....,...,..,
- - 4% Damping *: I 3 _5 - - 5% Damping i-,+---,.----,....*+, --.---,------
- - 7 % Damping
. ;i C . .. . .
~ 2.5 - - -:- - - ; , - + - ' ! - -* ~ ~--:----~! :-*:*-+- -,. -...
- -..:~
C'CI QI
~ 2 1 - - - - - ~ ~ 1 - - - - - ~-t-'---+~ - - - * - * -*~
NSS x 1.15 18 3996 , Z NW Corner on Top of Basemat 6017 , Z RXM 1 West Pool Wall at Floor - NW Corner 6069 , Z RXM 1 East Pool Wall at Floor- NE Corner 6277 , Z RXM 6 West Pool Wall at Floor - NW Corner 6325 , Z RXM 6 East Pool Wall at Floor - SE Corner 16257, Y RXM 1 at West Lug Support Location 16287, Y RXM 1 at East Lug Support Location 16621 , Y RXM 6 at West Lug Support Location 16651 , Y RXM 6 at East Lug Support Location 25826 , Y Northwest Corner of Bioshield 25826 , Z Northwest Corner of Bioshield 26345 , Y Northeast Corner of Bioshield 27529 , Y Crane Rail Slab 27529 , Z Crane Rail Slab 27885 , Y Crane Rail Slab 27885 , Z Crane Rail Slab SS > Peak- 1 27529 , Z Crane Rail Slab Broadened NSS x 1.15 Scaled SS > Design 1 27529 , Z Crane Rail Slab Basis ISRS x 1.15 NuScale Nonproprietary
RXB ISRS, Node 3996, X Direction 1.8 . - - - ~ - ~ ~ ~ ~ - - - - ~ ~ ~ - - - ~ ~ ~ ~
.-------. : j
- -ss . '
- - NSS x1 .15 ,_'-:'....i _ _ _ _ _ _*_ *_ _,___ _ _ _ _ _._.-,
- 1.6 .___ _ _ __, . l . * ..
m, .. ---+-- '--- } - ;____ ;-+>-- --. *i---'* +'
~ 1.2 ; '. : . ; .: : ' :: *. * : :
~
i 1 ~ *
- J
* .... .. -<-j-
~
u IJ
< 0.8 e
-IJ
~
en 0.6 0.4 f - -- - - - -,<::;<- i- - - - - - - + - - - - - - --'-1
. 1 !
0 .2 1---.......-:"9'-,,--r-+-~..+---+--""'-+~~--+---a-~-'--'"~~
- 1 ***
0 ,...__......__._......_.....................__ _.___..__.__,_._.........__ __.._ _..__...._._.................... 10* 1 Frequency (Hz) Figure 10. Reactor Building In-Structure Response Spectra Comparison , Node 3996 , X-Direction RXB ISRS, Node 3996, Y Direction 1.6 . - - - ~ - ~ ~ ~ ~ - - - - - ~ ~ - - - ~ ~ ~ ~
. - - - - - - - .*: *1
- - ss : i 1.4 r1-__ - -.:..:..::::::...::..:.:..:..:::.
NSSx1 .15 .r.. . ,'. .,-t I
- i---,--- -,--,--.,...,...,-i-- --:-----~.-=.-,-,;
1.2 ---* '-*-****--- ' -:--;- :_'. *-!----*--*--* -**-*-*-- : _____ ..,...... _..,... ....,,. __:_:
§ : . : I C: 1::; I
~
~
Cl>
~u 0.8 eti 0.6 Cl>
Q. en 0.4 -**-*-***--:-----'--: -: : :--!----**-*-* :-- :---:*----:. *i".
*
- I **
- . _ 1:1 .....
0.2 1----,.-7"9'-+-..--.......,...,-;---, * ......~-...a.+--.. . . . . -~~ .........----1 0 .___......__......_~~---__..~......_~~-__..-~...._._ ..........~ 10-1 Frequency (Hz) Figure 11. Reactor Building In-Structure Response Spectra Comparison , Node 3996 , Y-Direction NuScale Nonproprietary
RXB ISRS, Node 3996, Z Direction 2 ,---..,..---,--,-...,......,.....,....,...,.......---,----,,........,.-,-...........,....,..,..--..--.--..--,--,-.......,....
- -ss .:.i .. .
1.8 - - NSS x1 .15 t-:-::-,.;--------i---------t
'------~ *: ..
1.6 - - - - - ~.-.....'-'
- :i 1------- ,. . . . .~ ------*--*.-;.-,.-<
§ 1.4 g
~ 1.2 ------ * * -~ - -
t : ;1 *..
~ 1 - ---~---'~ :;...---,.-.-- - ~ + ---- - - - ---,
CJ * * . . j . *
-f! ----..--- . _: . ~--
-CJ GI io.6 0.8 0.2 0 =--_.___.__.._........................._:i _ __.__.~_._.........i..U.._ __...__....__.....................i...........,
10*1 Frequency (Hz) Figure 12. Reactor Building In-Structure Response Spectra Comparison , Node 3996 , Z-Direction (a) RXB ISRS, Node 3996, Z Direction 2 .----.---.--.-.......................---.----.,........,.-,-.,...,...........----,..--.--..--,~~
- -ss 1.8 - - Broadened NSS x1 .15 1 - - - - - - *-,*- - - - - - * - -* 1
- 1.6 1-------;.-;........
-----------;--,-----;-,-,,-;-,-l
§ 1.4 1--- - - - - - - - - ~.,__-+--il----++--- - - - - - - 1 C
~0 1.2 - - - - - - ~ _ _ , __ _____ _ _ _ __ __________,
~ !
~ 1- - - - ~.- .--,....:.....+----,- -----,,--,-+
CJ : '
~ 0.8 1--- --*
uGI io.a 0.4 --**---*-**
- l * * * *
- 0.2 --~* -*-t-*---r *--*-**-;.------:-:- -**--------...*--*-* *.. :-* -{-{
0 i=....._....___.__._~~.....__ __._~__.__._.......,.......... . _ __._...._..__.........._._._. 10*1 Frequency (Hz) Figure 13. Reactor Building In-Structure Response Spectra Comparison , Node 3996, Z-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 4741 , X Direction 1.8 ~--~~~~~----~~~~-~-~~-~
~ -- - - ~ : '! "
- -ss 1.6 - - NSS x1.15 >-:- '-.'
. : :}
'--------+--------..
ci 1.4
=,,:*'.'I :.!
~ 1.2 **--**-- .. *--- ......
L_~l--. : 0
~ -----~-~ i G)
Qi (.) CJ
< 0.8
~
CJ 8_ 0.6 Cl) 0 .___ _.___..__.__._................._ _~_._....._._._.....,._....__ _.___..___.__._..._._._._, 10* 1 Frequency (Hz) Figure 14. Reactor Building In-Structure Response Spectra Comparison , Node 4741 , X-Direction RXB ISRS, Node 4741 , Y Direct.ion 1.6 - ~- -_~_-_-~_-.::.::~.:::;~:~*~1-----~~~-~-~~-~
- -ss : :i
- - N$Sx1 .15 *:
- 1 . *::
1 '4 t-l-- -..:.::::.:::..::..:.:..:.::.i:-,, -,-:-1----,~--=- . .,...-:-:
..:1----:-----:-"7"7- ,;
': j ' ..
1.2 * - -....-*****..**---: -:--.-....--=-=-!- :--- *
§ ,= ,,I C . ; I
~
~
Cl)
~
(.) 0.8
~
ti 0.6 Cl) Cl.
.. :: .ii Cl) * ' **
0.4 , :;
*- *.... I.----- .. --**-*
, i ' .* '
- l ..
0.2 1--- ~7'9~ ~ . -'--!-: +
, ;------~---~--~*~---!
.. ' I
': :1 0 ~---'--~~~-~~--~~ * *~--~~-~~
10-1 Frequency (Hz) Figure 15. Reactor Building In-Structure Response Spectra Comparison , Node 4741 , Y-Direction NuScale Nonproprietary
0 c;___ _.___.___,__,._.._._.......,__ _ .___.__,__......._......,_i.J..__ __,__...._.__._..............._;,_J 10*1 Frequency (Hz) Figure 16. Reactor Build ing In-Structure Response Spectra Comparison , Node 4741 , Z-Direction RXB ISRS, Node 5642, X Direction 1.6 ,-----,---,---,--..-,-,-......,..--,----,-~~~~-~-.....-~~~
- - ss 1.2 -******-**--: : .. :.--:*-*: : .-+-**--******:. -~-
§ : !
0 .___...,____,___.__._~ . ' .......-~~...,__~......_............__~~~__,_~*~* ..... . 10*1 Frequency (Hz) Figure 17. Reactor Building In-Structure Response Spectra Comparison , Node 5642 , X-Direction NuScale Nonproprietary
RXB ISRS, Node 5642, Y Direction 1.6 . , :,I
- -ss t:*i :
1 _4 1- - NSS x1 .15 ..~ ~:. _____; _ __ . * .. - :- -** : .:.. :...
. . i
. I :i 1.2 I-------'--'---:~.-'-:-. !-
- .. I
, ~:.- --,---~,.........'-,-,.+-- - - ----,....,.........;
0.2 r -- - - ,-,9'-,-.,......,..........
- : . *1 ..
o~-~_.__._~~----_..._._~~---~-~~ 10*1 Frequency (Hz) Figure 18. Reactor Building In-Structure Response Spectra Comparison , Node 5642 , Y-Direction RXB ISRS, Node 5642, Z Direction 2 .----....--.--,-.,.....,..................----.---.---.--.-,.....,....,"'T'T"---.-.....-T"""'T....,.............,
. - - - - - - - ,*
- i
~~ ss . 1-I 1.8 - - NS$ x1 .15 1- _ - ,+ i - - - - - *.---t - - - - - - - ---1
, , : : 'I 1.6 1------.--+-,;...,...,--,---.---+;-,.,...,;..,+----,-----,---;--
§ 1.4 t--- - , - - - - , - -- - , . - - + - -- ---,-,Hlo +-c-,--+- - - - , - - , - - ~ ~---t g . .. I i 1.2 1--- - - -.. . . . . ,. . ;.'.*. .i_ _~ -,,....,- .........-....a++- - ' - - - - - ' - - . . . ; . . . . ,--i J
1
":""f_._.
--+--~- : -i
~ 0.8 - - *- *- : '-+--
i . :: :. *; !
~ 0.6 0.4 , , . ; ; .;,I : , , : <: ; , i ,: .
0.2 ~ : ; ;:t**--***-* -- :---,-----,-0.: ----*-(-*-* =-*---~-'--i-.-. 0 =-~_.__._..........................___ _.__..._..._._~u...1....-----'-~..........~~ 10*1 Frequency (Hz) Figure 19. Reactor Building In-Structure Response Spectra Comparison , Node 5642 , Z-Direction NuScale Nonproprietary
RXB ISRS, Node 6013, X Direction 1.8 ~-....----.-~~~.,...,..----.-~~~~~----,-....--~~~
~----~ **= : l
- -ss . 1 1.6 - - NSS x1 .1s 1-* -: :-,.;-------,--1--------,--*_. -1
. 'i 1.4 *--*"'-*-*--**---- ..
cii
~ 1.2
~Ill
- 1 Gi 0
0
,ci: 0.8
~
-0
~
IJ) 0.6 0.2 f-----'--,~ '-----..,......;-...-,..j-. d ------if--'-,--,-+---a----+--+-.-,_-<-_...;..J _ 0 c:.__
.. : : f
_.__.__.._.....................i...L-._ __.____.__...__._.._._l...J..l.._~....__._...__.__;_............, 10* 1 Frequency (Hz) Figure 20 . Reactor Building In-Structure Response Spectra Comparison , Node 6013 , X-Direction RXB ISRS, Node 6013, Y Direction 1 .6 ..---......---.-..............................,...,....---.-~---...............,........-r----,,---....--.,........,--,-.........,
~ -- - - ~ : t
- - ss :*,1
- - NS$x1.15 * : 1
'_,! ---*-***,- .--* '*--*-:-*-t: --------=--**-:----.--*-,-
0.2 f--- - ; - -,,.-S<-....~ , ....., ~ , !- - " ' " - - - : - - ; - - - ;_-.,... _ '-"--1-----,--,.----,---,c-+-'-l
- .!:j 0 ..____ _.___.__._......................~ - - - ' - ~ ~ _ . _ ~ ~ - ~ - ~ ~ ~ ~
10*1 Frequency (Hz) Figure 21. Reactor Building In-Structure Response Spectra Comparison , Node 6013 , Y-Direction NuScale Nonproprietary
RXB ISRS, Node 6013, Z Direction 2~-~--~~~-----.~-~~----,-~.,........,~~
~ -- - - - , ; :i
- - ss .. ,
1.8 1.6 1---....------.;..-.;-....-....-'.... : 1--.;.---..-...;.-;-+-*.;....*-,+-f--t-<-..;.--,--.,-.....i-'--rl
§ 1.4 1 - - - - - - -:-*-;--,:l---,------+---Ht - - - - --i i 1.2 ---- :---; -+ _: . : :1----~--.
i
~
11 ! 1 1 ---~~----c-,..-,....---,.--N--M',__"'"4',-,-!--t+--;t, - - ~ c - , - ~ u ; : :i
~ ; ; !
~ 0.8 ti 41
~ 0.6 0 =-...l............i..._...l.....l....,........._..u.__ _.....__.L-.J._.J...J.....i........_J.._ _ .__...1....................................J 10* 1 Frequency (Hz)
Figure 22. Reactor Building In-Structure Response Spectra Comparison, Node 6013 , Z-Direction RXB ISRS, Node 6017, X Direction 1.6 .----.---,-..,.......,....,...,..T-r-_ ____,,........._.,....,............_ ___,,----.-.,........,-,-,.......,...,
- f
- - ss : .i
- - N$S x1 .15 ::. i 1 .4 f-L _ _ .:..::::::::....:..:~ Jc .-:-,'(,---..,..---,"1,r--:-~-j---:----:-,- __:---:-c-1.2 ---..-**-*******--: _: __ *_ ..1.=.t--*-*-* .-***
~ .!
*---*.--** * * * -* :_: -* .-:-*+-----: -:____:- :-..:-:- ---** *-*- . . . . _.. . . . . ;*'*:
. :'I .. ::
0.2 1-----'--,~ -i-.,- : +-:~. ;,-,.;+-1----,-...,-~_~_+--~--.. . .. .:. 4: : 0 ~-~~~~*~*~~-~~~~~~ * *~--~~-~~ 10*1 Frequency (Hz) Figure 23. Reactor Building In-Structure Response Spectra Comparison , Node 6017 , X-Direction NuScale Nonproprietary
RXB ISRS, Node 6017, Y Direction 1.6 ..---,---,.---,.--,-~~--~-.--.-..........,.......~---,.-- ........,......,....,........,...,...,
-
- s~ *1 :::!:
t: : : : : :*:: 1 _4 I- - NSS x1 .15 .:.: ;----~--,--;-~--:: i ~ ~ : : :
- . : :j 1.2 1---- - - - - ~ - _ - j- - --1 ,,-- -.....-.,V-'-1*- . - -- ~ -
~
C:
.2 a,
1 - -~---.-~'.....,...........,
-----,-\ . ;-c,. ;.+- ---.. . . __,_~.......,..i
~ 0.8 - - - - _ . , . . ~ , - - - - ,:-:,-.'ll-J--,............,..--,--.-t-'b-ff--, + - --1\,.,Y-- - - , - -:~:_: -,..f:
u
~
t, 0.6 a, Q. U) 0.4 ~ -...;._-c--.....P.~ :..+--_;_~_.;.-~.....+---=-~~===l 0 ..__ _.__.._...................................._ __..._...._....._.__._..............___........__...__._.._.................., 10* 1 Frequency (Hz) Figure 24 . Reactor Building In-Structure Response Spectra Comparison , Node 6017 , Y-Direction RXB ISRS, Node 6017, Z Direction 2 ...----.---,.---,.--,-,............,..,..--~-.--.-..........,.........,......-......,...-........,......,....,........,...,...,
- - ss 1.8 - - NSSx1 .15 i
1.6 - ----_,__,........: _ _ _...;..__ _.... . ...
. .* --l-+-<-- - - - ~...............,..i
§ 1.4 - - - - - - -..........- - - - - - - * * -- ~,__ _ _ ___.
C: 0
~ 1.2 i-------........_>--+i--......------,-n-~ *9----t-++--11.--'--------"--'-i a, I
~ --*- .- . . ... -* !i ***---**** :....
u c( . : . ! eti o.e a, 1
!1 5, 0.6 0.4
., I ;
-- * +---r-------: *--*-**-*---: ---- :-:- * ***--------****:---**** :--- *- ..
0.2 0 =._ _.__
, "' I . . . . .: ,
__._...._..........,u..L._ __..._...._...._......._~....__ _.___...__.'-'--~...<..J.J 10*1 Frequency (Hz) Figure 25 . Reactor Building In-Structure Response Spectra Comparison , Node 6017 , Z-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 6017, Z Direction 2 .-----.-~---.---.-.................--,---.--,-..-,-.,....,.....-,-----,.--,-,......,............~
- -ss 1.8 - - Broadened NSS x1 .15 r - - - - - - - r - - , - - - - -*-*-,,
1.6 1----.---'-~-.-.-,~,~.----....-.,.....;..-'-,-,-l-./---+,-..----..--,-;.*.....i*
- =:'I
§ 1.4 1----------...--------+-l-++-i*- - - - --
c 0
~ 1.2
...a,
~ 11----~--~--..--.,.,._-l,I'---;----\-------*'- --,--~*~*
CJ c( E o.8 CJ a,
~0.6 0 = ---'---'---'--'-'-'--'.........__ _,____.__._.._.._.............__ _.__,___.__.__._.-'--LJ 10-1 Frequency (Hz)
Figure 26. Reactor Building In-Structure Response Spectra Comparison , Node 6017 , Z-Direction (b) RXB ISRS, Node 6065, X Direction 1.6 .----,----.---.---.-,-.,-,...,.....--,----.--,-..-,-.,....,..,....----,.--.--,,......,.................,...,
- -ss .; I
- - NSSx1 .15 *: i ** :
- 1.4 t-L-__'.:::::.::.:'....'.'...'...:..~:..,. :-r,- - : --;;,--:~--c----:-~~-,,
1.2
; : ~ . 1 ! **-***-* **----.-**- ..... *.......
- l I. .JI
. : I
- *1
--*. -. . . ,+ I I
--*- '. . . :_,'. ._ :. i-.-. .- -: :*'-f .----- : :_ :.. '. :-.-
- ::, 1 . '.' :
0.2 1--- - , --,4,' ~-,-""' , ----,--,-.o.-;-.,..,-.+----,..-,--~....,....,.-"-!
.. :*1 0 ..___ _.___.___.__._~~--'---'--'-.._.._........ ~ _ __._~~'--'--'-'~
10-1 Frequency (Hz) Figure 27. Reactor Building In-Structure Response Spectra Comparison , Node 6065 , X-Direction NuScale Nonproprietary
RXB ISRS, Node 6065, Y Direction
- - ss 15,----,---,---,--.--r--,-,-,-,---.-~---.--..-..-.--,.......,..-~--,--...-.-,-,....,......,
i : 1.4 I l: :!
- -,- NSSx1.1~ :~.~----**- *+-
l . 1.2 1---..;._-c..._ _: ~ 1 "i, !
- . :
- l
- : j o--......_--~~~-~~~-~~--~......_~~~
10*1 Frequency (Hz) Figure 28 . Reactor Building In-Structure Response Spectra Comparison , Node 6065 , Y-Direction RXB ISRS, Node 6065, Z Direction 1.6 .----,---.--,-"'T'""'T........... . . . . - - - - . - -.........- . -.................--.---,--.......-,--,-,.........
- i ..
- -ss . : .!
- - NSSx1 .15 : : . i 1.4 t-'L--~::..::_:_~1,...,--r---:-----:---,-,t---rt-:----~~
' . : ;l ..
1.2 --~-*-*---:; -:-.-/=.!*---*-*-- . .. C
; :l :: *i.,
0 zIll
...a>
G>
~ 0.8
~
t, 0.6
,,,g_
0.4 0.2 ~ - - --:h'4-;.,-'-,-:"'" : l- - - ' -~ -~_....,-1--~.
. . : j **
0 c....._......__ ( '! _._...................._.....__~~~-......._Li..L .. _ __..J.___.._.........,~~ 10*1 100 Frequency (Hz) Figure 29. Reactor Building In-Structure Response Spectra Comparison , Node 6065 , Z-Direction NuScale Nonproprietary
RXB ISRS, Node 6069, X Direction 14 1- ss l:*;!__ :__* 1.6 . - - -.....- ~ . -,-.,......,.."T'"T""
- --- N~Sx1 .15 :::
* - - , - - - , ,_--....-.-~.........- - - - - . - . . - -.........--,-,~
- 'i
- § C:
~
ftl Cl)
~ 0.8 t----c-----,.-~--,...,.....,.,--'-xt.....,....--:--.....-1+-1~- - - ,H----:---:-*-,..;
- u
~ 0.6 0Cl)
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--ss 1 .6 ,---....---.--.-.,.....,..."T'"T"".-r----.---....--....-.-.........."'T"T'"---,-..--~--,-,...,.......,
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RXB ISRS, Node 6069, Z Direction 2 ,-----.---.---..-~...,....,..,........---,---,--,--..-,.....,....,,......,..---,--.--.,.......,.-,-,....,..,...
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10*1 Frequency (Hz) Figure 32. Reactor Building In-Structure Response Spectra Comparison , Node 6069 , Z-Direction (a) RXB ISRS, Node 6069, Z Direction 2 ,-----.---r--r-"T"""r...,....,.......----,---.--.--..-,.....,....,,......,..---,--.--.,.......,.-,-,....,..,...
- - ss 1.8 - - Broadened NS$ x1 .15
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10*1 Frequency (Hz) Figure 33 . Reactor Building In-Structure Response Spectra Comparison , Node 6069 , Z-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 6273, X Direction 1.8 ~-....----.,.....,..........~----.--~~---.-....--.,.......,...........~
- -ss *!
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- - ss :: I
- - NSSx1 .15 ::. i ..
1.4 rL--,--:.:.:::::::..::.:.:...:.::,.1-,.,..,--r- -,----:---,--:-~t---=--:---,---:; 1 1.2 -=***-**** :_____:....-....._ C: 0 ftl GI "i 8 0.8
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t, 0.6 fl) 0.4 0 ~-...,,___..__.._.........._._._~_ __.___.~_.._._._.~---'-~~_._.~ 10*1 Frequency (Hz) Figure 35 . Reactor Build ing In-Structure Response Spectra Comparison , Node 6273 , Y-Direction NuScale Nonproprietary
RXB ISRS, Node 6273, Z Direction 1.6 .---....---,--.-"T"""T"..,....,.......,----,---.--,--,-,....,...,,..,..,...---,.--,--~--.--."TT"> 1 .4 1--ss l': .
- - NSS x1.1 5 .~.~---* _ ~ -
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- *** i 0.2 f--~--.-77'~ ..,......"'-'----.-~--,-.,--,-,..j--~~....-...__,~~
0 "----'--'--'-.....................-'-'---4---'---'--'-'--'-......__ __.~..._..__._,_,.........., 10*1 Frequency (Hz) Figure 36 . Reactor Building In-Structure Response Spectra Comparison , Node 6273 , Z-Direction RXB ISRS, Node 6277, X Direction 1.6 ,---....---.-......................----.---.--.--,-............,...,...---.-....-.........-..........,....,...,
--ss
- - NSSx1 .15 : *:
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RXB ISRS, Node 6277, Y Direction 1 . 6--~---.-~~~--~~~~~~-~-~~~~ 14 l== ~~s x11sLJ *.. i . .' _____ ~-~L-~'.
! :: d 1.2 ,___~-'--;..-.. - -.~: - - - -r, -,,.- - *-*.........;;---t11- - - - ---t
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0 ..___.....,___,___,_......_~.....,__ _............._..._.._.._......_.....__ __.__.........~~........, 10*1 Frequency (Hz) Figure 38. Reactor Building In-Structure Response Spectra Comparison , Node 6277 , Y-Direction RXB ISRS, Node 6277, Z Direction 1.6 ,---~---,,-.-.,.........,..,...,.--.--~~.......-..,........T"T"""---r--..--,.......,.""T"""I...,......,
- -ss 1.4 H--- --NS8 x1.15::
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0 c..__.....,___,___.__._~.........- ~............._..._......._......... .......__ __.__ .....__~...........~* .._, 10*1 Frequency (Hz) Figure 39 . Reactor Building In-Structure Response Spectra Comparison , Node 6277 , Z-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 6277, Z Direction 1.6 .---~-,-...,.....,.........,.........,..,..---,---.----.-,-,-,..........,..---,--~-.-..-.-~ 0 c:..__..,___.__.....__._._..........__.___...__.__._.._,_.........._.___...__..__._.._._............._. 10*1 Frequency (Hz) Figure 40 . Reactor Building In-Structure Response Spectra Comparison , Node 6277 , Z-Direction (b) RXB ISRS, Node 6325, X Direction 1.6 .---~-,--,--,-,-,..........,..---,----.---.-,-,-,.........~--.--~-.-..-.-~
- - ss 1.4 jt..- _
- NSSx1 .15 : :
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RXB ISRS, Node 6325, Y Direction 1.6 1 _4 1--ss l,.i.;.+*----~.
- - NSS x1 .1~ :
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Figure 42 . Reactor Building In-Structure Response Spectra Comparison , Node 6325 , Y-Direction
- i>I ., : :
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RXB ISRS, Node 6325, Z Direction 1.6 ,----~--,-..,..........,....,...,..,----,----,,--,--,-..-.-........- -.---~.-,-,..,...,.., 1.4 i- -ss
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u Ill ti 0.6 G> C. fl') 0.4 1----'--_;_~"cf~ ri--~-'~-~.-.+------'--~ .. ::::::::--'-'-i 0.2 1--- - , - --0--.......,~--+---..--,---,~-,....,.......y.--,---,-~,........~ 0 ~ - ~ - - ' - - ' - ~ ~ ~ - ~ - ~ ~....................--~~~........................ 10* 1 Frequency (Hz) Figure 44. Reactor Building In-Structure Response Spectra Comparison , Node 6325 , Z-Direction (b) RXB ISRS, Node 6329, X Direction 1.6 ,----~--.--.--.-.-,--,-,----,----,.--,--,-..-.-........--.---~.-,-,..,...,..,
- -ss
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RXB ISRS, Node 6329, Y Direction 1.6 r---.----.--.,..........,....,..,....---,---,--,--.--.....,.......,.......---,-....-.,......,.....,.....,-r,-i
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- - ss
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RXB ISRS, Node 6340, X Direction
- 1. 5 ,---,----,--,-..,.....,.-,-,-~----..----.-.-,-.......-....,.,.--,--~-.-.--.-,......,..,
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10*1 Frequency (Hz) Figure 48. Reactor Building In-Structure Response Spectra Comparison , Node 6340, X-Direction RXB ISRS, Node 6340, Y Direction 1.5 l==~~s x1 .151: ..
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RXB ISRS, Node 6340, Z Direction 1.8 ,----,---,---,-..,....,....,.......,-,----,--.--.---,-.......-,...,....-----,--,--.,.......-,-,,""T"T,
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RXB ISRS, Node 6430, Y Direction 1.6 ~-~~~~~~--~~~~~~-~-~~~~ 1 .4 J==~~s L_L____j___** ~--~--~j__ : x1 .*15
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10*1 Frequency (Hz) Figure 52. Reactor Build ing In-Structure Response Spectra Comparison , Node 6430 , Y-Direction RXB ISRS, Node 6430, Z Direction 1.6 ~-~~~~~~--~~~~~~-~-~~~~ 0 c:.._-~~~_._.................__ _.__~~._._. . . . . . '"'---~~~~........... ~ 10-1 Frequency (Hz) Figure 53 . Reactor Building In-Structure Response Spectra Comparison , Node 6430 , Z-Direction NuScale Nonproprietary
RXB ISRS, Node 16257, Y Direction 3.5 ~--~~~~~-~~~~~~---~~~~
- -ss
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10-1 Frequency (Hz) Figure 55 . Reactor Building In-Structure Response Spectra Comparison , Node 16257, Y-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 16271, X Direction 3 ,----.----,----.-.........-.--.-.,..,----,---,,_....,.---.-.,........rrr---.---,--..,......,--,-,.....-r, 2.5 l==~~s~usl :*+*-.
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10-1 Frequency (Hz) Figure 56 . Reactor Building In-Structure Response Spectra Comparison , Node 16271 , X-Direction RXB ISRS, Node 16287, Y Direction 3.5 .----.----.---,-~~~----.---.~--.-~~---~~~~
- -ss , I
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Figure 57. Reactor Building In-Structure Response Spectra Comparison , Node 16287, Y-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 16287, Y Direction 3.5 ~-~~~~~~-~~~~~~-~-~~~~
- -ss
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0= =--~~~~...........'-'--~~~~~L..L.1..------'-~~_._.............., 10-1 Frequency (Hz) Figure 58. Reactor Building In-Structure Response Spectra Comparison , Node 16287, Y-Direction (b) RXB ISRS, Node 16621, Y Direction 4~-~~~~~~-~~~~~~-~-~~~~
- d 3 1---...:.-~---'--"---.---'---__;._-1-1--4-----:--'--.:__;.-~
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Figure 59. Reactor Building In-Structure Response Spectra Comparison , Node 16621 , Y-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 16621 , Y Direction 4.---~~~~~~-~~~~~~---~~~~
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0 ==--~~~~~......._-~~~~~. . . . . . --'--~-'----'-'-............, 10*1 Frequency (Hz) Figure 60 . Reactor Bu ilding In-Structure Response Spectra Comparison , Node 16621 , Y-Direction (b) RXB ISRS, Node 16635, X Direction 3.--- . -~ . ~. ~ ~ . . ~-~-~~~~--.---~~~
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RXB ISRS, Node 16651 , Y Direction 3 . - - -~ ~ ~.,.....,.....,........-,-----,----,~~.-.-..........- - - - . - ~.........-.-.....,....., 2.5 l==~;sx1.1sl} ---r---**-*.------*
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RXB ISRS, Node 25826, X Direction 4 ' . .
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- -ss 1;:: : , : '. :: : : * : ,; :
35 j- - NSS x1 .15 P ----: __ '. :_: -** '. '. ------*-:*--**-------'_:-'. .:
. : :i : : : : ..
- id : : .. . . ..
§ 3 __ ,, ,.,.., _____,__ :.... :--- :~---*---* : *--**._..
- :: 1 .
C ' : : : i
~ 2.5 t--- - - ~. . . . . .----'.:. .'; ---+--~-Ht-'++---'--'+--- - - ~ ~-rl l! : f .*.
QI .. ! ai u 2 u iv
~ 1.5 - - - - ---------- - --1-"1*- +- - - - - - - *~*
QI Q. rn 0 ==-~~~~ . . . . . .-'-'-----'-~~__._~. . . . . . .-~~~~--'-~ 10*1 Frequency (Hz) Figure 64 . Reactor Building In-Structure Response Spectra Comparison , Node 25826 , X-Direction RXB ISRS, Node 25826, Y Direction 7 .---~-.-~~~~---,---,.~~~~---~~~~
- -ss *, I 6
- - NSSx1 .15 :: !
§5 . . "!
C 0
- \ .1 I!
QI 4 ... . .. . ai u u
- i
~ 3 I!
-----:-----~*--:-;-~--~-+-+. -:-
~Q. ;: .:*I ,
rn 2 --**-**-**---*--:-. : .!------- . - . 0 i.-==---'-~~. . . . . ...i.J._-~__;__;,~.i................i.._ _.__...._.......................;w.......J 10*1 Frequency (Hz) Figure 65 . Reactor Building In-Structure Response Spectra Comparison , Node 25826 , Y-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 25826, Y Direction 7 ,----,----,---.-...............,..,.,.....---,---,--,---.-,.....,....,.......,..---,--.--.,.........~,...,..,,
- -ss
- - Broadened NSS x1 .15 6 ~ - ,,,,,,,,.....,.,,,,,,,,,.,-,=,~...,..,.,.""""'"'-i-- H-1--+---!----;----;.-;-+-f
- . :d Frequency (Hz)
Figure 66 . Reactor Building In-Structure Response Spectra Comparison , Node 25826 , Y-Direction (b) RXB ISRS, Node 25826, Z Direction 3~- ---,---,-~~~-~ - ~ --.-~~-- --,--~-~
. s~
- 1: i I= = NSS x1 .1s :: .1 2.5 1--- - - - , - - . - - . . ; . . . . . ; . - , - : . . - ; - . - ~ - ' - - ' - " - i - - ' + --,l i-,- - ~ - ' - - - -
\:!
§ 1;: 1,,
C 2 1-----..;__--+--------.--1+11-- - - ---1 z0 ... . ..
~ : . ; .i ..
~ 1.5 1------...-~'_I _,_I" !--.,..__,_....,_~ ~ +--4+--++---....,_,...,*--;*
;[ : : : .!
~ : .: *i u . :~ l
- g_
Cl) 0 i : = = = - ~ ~......l-...................u......_ _.____.__._~................ 10-1 100 101 102 Frequency (Hz) Figure 67. Reactor Building In-Structure Response Spectra Comparison , Node 25826 , Z-Direction (a) NuScale Nonproprietary
RXB ISRS, Node 25826, Z Direction
--ss 3 .-----.--,--.,.......,...
- - Broadened NSS x1 .15 :
. .--..----.-.-,-,...........,---~~---,--,....,...-.-,
2.5 . . . : :.::i : : ~ ;: *-t* *N ..NNM:_ .... : .. . w*_,..........;....;
; . j i
§ C
.2
"§ 2 , , :: ,,:r , : ,:, :
- : . 'i
- ~
QI * ' j
- : : . : :i
~0 1.5
< 1 : : . 1'i
~
0 Cl> C. 1/)
- : i
* ' I 0.5
. ' i 0 -===-~~~~~......__ ___._~~~~............--'-----'--...._;~..........w 10*1 Frequ en cy (Hz)
Figure 68. Reactor Bu ilding In-Structure Response Spectra Comparison , Node 25826 , Z-Direction (b) RXB ISRS, Node 26345, X Direction 4 .-----.--.-,--.--r.,...,-- -.---,--.-.-..-,-......,..--,.--,-,--,~rrr, 3.5 J==~~s x1 .1s 1:.:J_________ .~ ___:. . . '. .:. :____
. . : .l 3- ---------~-'...,i_ _ _ _-., .ff*H-- - t - - - - - - --t
.: ... : ..: ' Ii C
~ 2.5 .. : --..*-: ~ * : - :*.. G: ~ ----+--:
I! QI
~ 2 f--- - - ~ ~*~*-*..,.....--~----++----4-~+-- - - - -*- *,-....--i
- i .. !
1i : : . : .I
~ 1.5 f------'-..c.....;.-----l+- --r-<l-1rl-- - - - - -~
8. 1/) 0 -===-~~_._...._.__._._......__ ____._~~_._~i...U.--~~~....J.....,~ 10*1 Frequency (Hz) Figure 69. Reactor Bu ilding In-Structure Response Spectra Comparison , Node 26345 , X-Direction NuScale Nonproprietary
RXB ISRS, Node 26345, Y Direction 3.5 ~-~~~...,......,..........-~-~~~~~~--.---~-.-.-.-~
- - ss 0.5 ~ ----...;._-Ir-- + - - - - - - - ' - - - - + - - - - - -~
0 =;c__-~~~~......._-~-~~~.......,_--~-~~. . . . . . . 10-1 Frequency (Hz) Figure 70 . Reactor Building In-Structure Response Spectra Comparison , Node 26345 , Y-Direction (a) RXB ISRS, Node 26345, Y Direction 3.5 .....--~-r~~.........~ - - r - ~ ~ ~ ~- -.--~..,........,,..,.............,...,
- - ss
- - Broadened NSS x1 .15
- § 2.5 C
0
~Cl) 2
-a; u
u 4( 15
~ -
uCl) Q. Cl) 1 0.5 --*----- -** 0 , =: : ; _ _ - ~ _ , _.............................__ __._~~~...._._.......,__ _~-~._._..........., 10-1 Frequency (Hz} Figure 71. Reactor Building In-Structure Response Spectra Comparison , Node 26345 , Y-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 26345, Z Direction 2.5 .---,----.--.--.........
-.-.-....---.---,---,--,-,....,...,e-T'T'"---,--,--.......,.--.-,...,...,...
- *1 1--NSS x1.15 1*:;i* ;
- -ss
- . : =!
2- - - - - - ~ - ,.... , ,- --_,__.,..__._.....,-+-_,-....._ _ _ _...... i
.. :: i
. . . : :l . .
--..;---*""----:- ~"::t--**--*-i'---:--* ;~-
- : :1 . :
.. :: i
- ,"'i 0.5 ............ *---****
. : . *. ~ ---------*-****--**--*-*------**-*
0 ==--_.__~_,_~....._;._......,__ __._~~~~....u...-~-~~........J...........J 10*1 Frequency (Hz) Figure 72 . Reactor Building In-Structure Response Spectra Comparison , Node 26345 , Z-Direction RXB ISRS, Node 27529, X Direction 4 ,----,---,--,-.,..........,........-,---,---,---,--,-..-,-..-rr---.-,--T"""T--.-,...,...,... 3.5J==~~Sx1.15,:_:J: !_________:____:. :_.. :_. . .'.. . . . . . ;_ _ . :__ :_;_ .'. ::
. i 3 1----"-----------'--.....-----'----.-it+-f---+------------'--~
- , : :1 C
] 2.5
-+-: . . ...
- : 4-~::* *~
.-........ ?'"'"'"""* - - * , - , .... , -.:...... -.:
e Cl>
~ 2 1--- - - ~ ~ ~~ - ~ ----~----+----~-*..........*
Q. 1/) 0 =;;__~~_._~..._._....__~~~_._~.........-~-~~_._._._._, 10*1 Frequency (Hzl Figure 73. Reactor Build ing In-Structure Response Spectra Comparison , Node 27529 , X-Direction NuScale Nonproprietary
RXB ISRS, Node 27529, Y Direction
- -ss
..
- l.
8 ,-----,---,--,--..,.....,....,...,...-,.---,----.--..-,-,....,..,........---,--,---,--,.-..-,...,...... I ; 7 J- - NSS x1 .1 5
- _;,.,.l...---*-* _..:...___ -:---~-- ..------***-* .. .._______,,_... ___,,.
- l
- : :
- .
- i
- :I
- 6 - - - .........__ :**.*- . . . +----*.--- - --*: :*- _,............ *----*-**.
§ : . : :: I : :
C : ::
.2 5 1----~-'--+--'-+~:,_.:*- - i - -<fr --f*-,,...-'--,-,-,+---'---'-----"-....,...-'-'-+-,,
~ : '>i .. .
~ 4 ; -'. [ ~~ l u
<(
iii
~ 3- - - - - - - - - -*- - - ---~--------*-*
CIJ
- a. ..
(/) 2 0 '---===~~~......._;._J..i..__ ___L.__,~~~........1._ __;c..._...L,_.L.............Jc..........J 10-1 Frequency (Hz) Figure 74 . Reactor Building In-Structure Response Spectra Comparison , Node 27529 , Y-Direction (a) RXB ISRS, Node 27529, Y Direction 8 ,-----,---,--,-,-..-..,...,...-,.---,---,--..-,-,....,..,~-- - , --,---,--,.-..-,~
- -ss 7
- - Broadened NSS x1 .15 __ _ -- *--*-----*-
. .i
. : :'. .I 6 1-------'-..;..........;..;,.;----i--~...-.;..._--+-------'~
. :,: !i ..
1 5 .,, ______ : *--: : ~ : y,i ---**--* i-* *.. ,.. ~-,****:: **--**-: - *-'---* '**~... ;: i 41-----,-~--~*~:~*-*~!-----,;- ,...._-+--~~-e--,....~~
<u .. .
ii zI 3- - - - - - . ..- - - -- -~ ,- - --------< .. (/) .. . 2 1---- - - - - -.......... --------------"-'- ,..;+---,----'. . . . *- *"'-t o b:::2::=:::;::d _j_~........:.....l_~.._._i......l.;..J 10*1 Frequency (Hz) Figure 75 . Reactor Building In-Structure Response Spectra Comparison , Node 27529 , Y-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 27529, Z Direction 2.5 ~ - ~ ~ - . . - ~ ~ ~ - ~ ~ - - , . - . . - ~ ~ - - - ~ ~ ~ ~ 1- ss ** 1;:i
- - NSS x1 .15 ; :i
- . : :i 2 1--- - - - - - - - - - -*- - - - - > - " - - H+ll---------+-"+--"-l
~ ! :i . .
- § C:
- /1: ::
~ . .
0
~ 1.5 Q)
-~---** ~ :~* i ----.--~-..*
. . ... "I
~
'i : . : *i . . .
u u
------~--~-'----+---+>-------<
~
u Q) Q. ti) 0.5 -.. . ----- .. --- .**-- 0 =--~~~~..._,.__-~~-~~. . . . .--._~~~........_, 10*1 Frequency (Hz) Figure 76. Reactor Building In-Structure Response Spectra Comparison , Node 27529 , Z-Direction (a) RXB ISRS, Node 27529, Z Direction 2.5 ~ - ~ ~ - . . - ~ ~ ~ - ~ ~ - - , . - . . - ~ ~ - - - ~ ~ ~ ~
--ss
- - Broadened NSS x1 .15 2 : : : : "t : . .
. . ; : . :i .
- § C:
0 1 = = ;= i
- 1.5 Q) 1---...;.--'--.-...;-..-'-,-.;...j--~__.~ .../.;....;....-...,+-1--<1--....-..;_.----;~
ai u .. u
~ 1 1--------------'--+---+-f - - ' - ' - - ' + - - -4-+--'--'~
uQ) Q. ti) 0.5 *+ -.;,.,+-- - - ---- *-'"-- - - , ---:--*** 0 ==;:__-~__.__._.........,_..._,.___ __._~--'-~.w....L--'--~'-'-.........., 10*1 Frequency (Hz) Figure 77. Reactor Building In-Structure Response Spectra Comparison , Node 27529 , Z-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 27529, Z Direction 2.5 r----,----,--.--.--,--,-,-.-,----,-~---.--.-..-.-.....,--~-~.........--,-,r-rT,
- - ScaledSS
- - Design Basis ISRS x1.1 5 i
2 r-----.-~*--.-:...!- - ~ - - - - ,=::J.-,-t+-+-+-----......;,........-<-1
=
. ,: I
________:.__,_: ,;:I ------,--'- . , .,.-..--,-1,__.- ...~
- . : :i
* ~ ::i 0.5
- "i 0 = --'--~~~ ~....._-~~~~~....i..-~--'--~~~
10*1 Frequency (Hz) Figure 78 . Reactor Building In-Structure Response Spectra Comparison , Node 27529 , Z-Direction (c) RXB ISRS, Node 27529, Z Direction 2.5 ~-~-.-~~~~---.--~~~~~-~-~~~~
- - Scaled SS
- - Updated Design Basis ISRS x1 .15 E!
C: 0
~ 1.5 :
a; . . ! ai ** f u .. Ji iv i (/) 0= --'--~~......._......._......__~~~~~~ 10*1 100 101 102 Frequency (Hz) Figure 79. Reactor Building In-Structure Response Spectra Comparison , Node 27529 , Z-Direction (d) NuScale Nonproprietary
RXB ISRS, Node 27529, Z Direction 2.5 .------.-~~--.-~.-rr--.---~~T""T".,...,...~-~-.---~~...,...,..,
- - Design Basis ISRS
- - Updated Design Basis ISRS 2
. , . :: I '
..__ . ,__ _,. __,._-!--4-~~-*****-i***- ~ - - ! *
= * : : . -: : I = :
C . : : : ; .l 0
~ 1.5 ---*---- : : . : *1 ---+-*--*-- :~-.-;.:- --*- . ...........
iii : : :I 1
- ::: i jij
- 0 8.
(/') 0.5
.i
. !i Frequency (Hz)
Figure 80 . Reactor Building In-Structure Response Spectra Comparison , Node 27529 , Z-Direction (e) RXB ISRS, Node 27885, X Direction 4.5 .------.-~~--.-~.-rr--.---~~T""T".,...,...,.,--~-.---~~...,...,..,
- -ss 4 - - NSS x1 .15 t-
. -* -+- - - - - - - - - - ,t-'t--- - + - -_..;.- - ~ --.;..i 1
en 3.5 - :+I,----,......-~~--~-~-~...,.....-
- - - - . . .........~_ ~-,..,,
~ 3 1---'-_..;.--~.~.-+,--'----~ -'-++~-+---~-;.._;_,._~
- 8
~ *
- : :. . !I * * **
a, 2.5 **----- >--: : !'"'" , - - ; - - * ** *--* *--, --:----:-*-;-*-<-+--
~ : ; : : : ..
u : *! .
< 2 . : ... ~ : . . .. : . :
~ .. : __ :.I .
en!!! 1.5 -------...........:--...+-----*
- : : :: I : - --; -,-+-
. --i- * - - - - - - - --
------,-:---:-r
. . = I =,, *I ---
,
- I * , : * ,
o.s --*:-****-**;--...;--:- * ....,*rI. . -----r--.
. . -***=. .,......-... *.. - ............ :---.....--"-*:-... ,:-*-*-"'=.
o==-~~~~~......,_--~~~~~.....__-~-~~~~ 10*1 Frequency (Hz) Figure 81. Reactor Building In-Structure Response Spectra Comparison , Node 27885 , X-Direction NuScale Nonproprietary
RXB ISRS, Node 27885, Y Direction 4.5 .-----,--,--,-..,......,....,...,.....-,---,-~~-.-...-.-~---....-....-,-.-~
- -ss 4 - - NSS x1 .15 1-'~:.+! - - ~ - - - " ' * - ' * -..;..,-------'-__;,.....,;..i
= ,==I 3.5 ci
~ 3
-~*-!--t--*!-- ----~
.': J
' : : .. i
- 8 : :i I!CII 2.5 -- * -*----~~-~~........,._,~ .. . . . --- ..
ai : : *i 0 . : ! 0
.:( 2 *-*** ----***
. . *-*-*-*---: ; . : :I.t-----** . *--: - .
~
c., 1.5
*----+--i-+-H-M-*
; . i 0 -=::::::...__.___~~~~........_-~~~~~.............- ~_ _.___~~.............
10-1 Frequency (Hz) Figure 82. Reactor Building In-Structure Response Spectra Comparison , Node 27885 , Y-Direction (a) RXB ISRS, Node 27885, Y Direction 4.5 .-----....--,--,-..,......,....,...,.....-,----.--~-.-...-.-rrr--.---....-....-,,--,-~
- -ss 4 - - Broadened NSS x1 .15 r-'---::= --"---'-'-t------'-----'-'-i ' *
. l ci 3.5 1----~ - ~ i -~ _;__ .
-+- : '
~
~
3- --------t----i-Ht------+-------*~ e 2.5 CII
- .. : .1 f--- ~ ~ ~ . . . , . _ . _ ~ - - - - - - - " - IH-'-+-'-+-,-+-'---,-+- . -~e----;--~'---,-1 ai c.,
c.,
< 2 eu
& 1.5 - - . . . . - - -........._,......--,---t--.,..- --t__,_-1--"-"1-.....---f"t,.,.-<.,..------<~;-+-i fl) 0.5 ...... J,..........................- -.. --....-_..........,..............- - -*--* ..... - ......__,.. ;. .....__,.....,....
- *I . .
0 -==--'---'-~~-'-'-"-'---~~__._~...._._..........__~~_.___...__._._............, 10-1 Frequency (Hz) Figure 83 . Reactor Building In-Structure Response Spectra Comparison , Node 27885 , Y-Direction (b) NuScale Nonproprietary
RXB ISRS, Node 27885, Z Direction 2.5 .-----,--......--,--.,...................,...,..----,-----,---,.......-......-,...,.....-----,--,---...---.--.-,........,
,- ss ,. : :;
- - NSS ~U S * ; :1
- . i 2 I--- - ' - - - - ~ - + ,..... ,
,- ----.------ ------------,,-+-. . . ..
. : i
- § .* :: i C
0 . _.,..____.... :>l .
~ 1.5 QI
**
- 1
~~-
- :f
'ii : . * !
V
~
~V Cl)
Q.
.
- l
(/) 0.5 0= =---....___,_~~................__ __,_~~__,_~........._-~~...._~__.._............., 10*1 Frequency (Hz) Figure 84. Reactor Building In-Structure Response Spectra Comparison , Node 27885 , Z-Direction (a) RXB ISRS, Node 27885, Z Direction 2.5 ~-~--.-......-~~~-~----.......,.--,-~~-----.--.--~--.-.~
- - ss
- - Broadened NSS x1 .15 :
- i 2 : 1 ~ : iI 0.5 0 1::::=--....___,__._......._~.....__ __,__;---'--'-~u.J..-~-...._~__.._............
10*1 Frequency (Hz) Figure 85. Reactor Building In-Structure Response Spectra Comparison , Node 27885 , Z-Direction (b) NuScale Nonproprietary
Updated Design Basis In-Structure Response Spectra for Crane Wheels Table 3 provides a list of the node numbers used to develop the crane wheels' enveloped ISRS. As shown in the table, crane slab node 27529 is not listed as a location used to generate the crane wheel nodes' enveloped ISRS. Figure 86 shows the comparison between the crane wheels' enveloped ISRS and updated design basis ISRS for node 27529. As shown in the figure , the 5 percent damped , crane wheels' enveloped ISRS does not bound the ISRS for node 27529 . Therefore, a new enveloped design basis ISRS, as shown in Figure 87, is developed to take this exceedance into account. Table 3. Crane Wheel Locations for In-Structure Response Spectra Presentation Location Node Nodal Coordinates (inch) Location No. No. X (E-W) Y (N-S) Z (VT) Description 1 27679 2215.00 -453.00 1548.00 SW crane wheel 2 27680 2215.00 453.00 1548.00 NW crane wheel 3 27797 3067.25 -453 .00 1548.00 SE crane wheel 4 27798 3067.25 453 .00 1548.00 NE crane wheel NuScale Nonproprietary
RXB Design Basis ISRS Comparison, 5% ISRS Damping 3 .----,-~~~........T"T"T--...---,--,-.,........,.........,.......---,---.......,....,...,....,.......,
- - Envelope Crane Wheel Nodes, Z Direction
- - Node 27529, Z Direction 2.5 1--------'-+----...,._~~...+----'----...;.....---1 0 ==--~~~~~......t..--~~~~~..L--~-~~~..J....i..J 10*1 Frequency (Hz)
Figure 86 . Reactor Building Design Basis In-Structure Response Spectra Comparison , Crane Wheels' Enveloped ISRS vs. Node 27529 , Z-Direction RXB Design Basis, 5% ISRS Damping 3 .----,----.-~................--.---,--.-..........,.................-----,--,--.--,....,...,...,......,
- - Updated Envelope Crane Wheel Nodes and Node 27529, Z Direction 2 .5 - -~-~__;.........
- )"j
;~ . .'-+i--~__;...._;;_.............;...*'-l"--+----..,......;*-'*--*~
E? C 2 _ _ _ _ * ., _______ ,._M __ w*,. * ~:
.. : ; i I____**--*'---
0
<ii . 1 : : . ; :1 ai
~ 1.5 -- ;*-* * -"---: :. !::: .:+------ '-*-*- -*
~
~ * * ; *i
**
- l
~
tia, Q. (/) o='--~~~~~........--~~~~~....._-~-~~~. .... . . 10*1 Frequency (Hz) Figure 87 . Reactor Building Design Basis In-Structure Response Spectra , Updated Envelope of Crane Wheels and Node 27529 , Z-Direction NuScale Nonproprietary
A frequency-dependent scale factor, a r, is presented to modify the ISRS plots for other damping ratios , as shown below:
- (Updated Design Basis ISRS, 5% Damping))
Equation 4 aft Design Basis /SRS, 5% Damping fi Where , for each frequency point, { ; , the scale factor, a r, is calculated by dividing the updated 5 percent damped design basis ISRS by the 5 percent damped design basis ISRS. Then , ISRS plots for each damping ratio are scaled in accordance with Equation 5 Updated Design Basis ISRS, ( Damping Equation 5
= a11 (Design Basis ISRS, ( Damping)
Figure 88 shows the updated enveloped ISRS of crane wheels and node 27529 in the Z-Direction for all damping ratios. Vtrtical {Z) ISRS. Ennlope of 4 Cnmr Whttl od.. and Nodt' 27529
!- 2'11o - 3'M, - 4% - S'Mo - 7'Mo - 10% !
35 3 . 05 10 100 Ff"Nllll'I'" (lb.) Figure 88 . Updated Enveloped In-Structure Response Spectra of Crane Wheels and Node 27529 , Z-Direction NuScale Nonproprietary
Response to Question 2 Background Information, Methodology, and Approach The methodology, approach , and steps taken for comparing the Control Building (CRB) ISRS data are similar to those for the RXB , described in the Response to Question 1. As subsequently shown , SS ISRS accelerations exceed 1.15 times the peak-broadened NSS ISRS at two locations, i.e., 34380 Zand 35713 Z, requiring the damping scaling factor to be developed. In accordance with the damping scaling methodology, a SAP2000 fixed-base time history analysis using CSDRS-compatible Capitola time history input in the east-west, north-south , and vertical directions is performed for structural damping values of 4, 5, and 7 percent. Then , ISRS plots are generated , as shown in Figure 89 and Figure 90. Damping scaling factors , described in steps 4 , 6, and 8 of the methodology, are plotted in Figure 91 and Figure 92 . After comparing these plots, a constant damping scaling factor of 1.25 is selected to scale the ISRS accelerations from 7 percent structural damping to 4 percent structural damping . For verification purposes, a comparison is made between the ISRS plot generated by the SAP2000 fixed-base analysis and three ISRS plots calculated based on the scaling methods described in this section . As seen in Figure 93 and Figure 94 , the estimated ISRS accelerations reasonably match the calculated SAP2000 ISRS . Using a larger constant damping scaling factor would excessively overestimate the ISRS accelerations at lower frequencies. It is expected that the underestimation of the peak response for node 35713 Z would not adversely impact the results of the comparison made here. As seen in Figure 131 , the scaled SS ISRS obtained from soil-structure interaction analysis is bounded by the updated design basis ISRS, with substantial margin . NuScale Nonproprietary
CRB Fixed-Base ISRS, Node 34380, Z Direction 14.---~--.---.-~~~--...--~-...-~~~-~-~~~~
- - 4% Damping i
- - S%Damping i 12 * :' .+--+-+--....---..-..-r-H
- - 7 % Damping t-:-+,- - . - - - - . . . -.................
-*--------- 1
. * : "i
.
- l
- § 10 ~ --------!------- * -* -*
C: 0 (II cii 8 ci u u
<{
iv 6 : . : .1 i (/) 4
- :I
.. : I 2
0 10-1 Frequency (Hz) Figure 89 . Control Building Fixed-Base In-Structure Response Spectra, Node 34380 , Z-Direction CRB Fixed-Base ISRS, Node 35713, Z Direction 16 . . 'I
- - 4%Damping .I 14 - - 5% Damping ...*....i _ _ _ _ _ _. - *4* - - - . - - - -*- *~*
- - 7 % Damping
- 1 12
. : ~ '. 1 * !
- § : : I C:
- :i
- 8IV 10 cii : ..
- 1' ci . !
u 8 . .. , u
<{
~ 6
- ; : ;:1
._ *- * ~-....... i - - .
i (/)
- : *: i
. :. I
- : :1 j
4 2 0 10*1 Frequency (Hz) Figure 90. Control Building Fixed-Base In-Structure Response Spectra, Node 35713 , Z-Direction NuScale Nonproprietary
CRB ISRS Damping Scale Factors, 4%17% Damping, Node 34380, Z Direction 1.5 . .
- - SAP2000 Fixed-Base Analysis
- - NUREG Method 1.4 - -White-Noise Method
- I
* : : i
- :1 1.3 1-------=-....;_-*;..;:-+-,- - - ' ' - - - - " - - - ' - - ' - - l -4~1-,l.f-l..<...!1--'---'-~
~ : : = *I
~C1J 1.2 _,, ___________ : . : _j__ I___~-*-*;..~....
~
- : ::::.i : ::. -*
Cl) 11 -:***i 0.9 ~-~~~~~~-~~~~~~~-~~~~~~ 10*1 Frequency (Hz) Figure 91 . Control Building In-Structure Response Spectra Damping Ratios for 4 Percent to 7 Percent Damping , Node 34380, Z-Direction CRB ISRS Damping Scale Factors, 4%17% Damping, Node 35713, Z Direction 1.6 . .., ..
- - SAP2000 Fixed-Base Analysis
- - NUREG Method 1.5 - -White-Noise Method 1.4 *----**- :_ : -* . :--+--*** ._. . . '. ---. .. . . '. *-: : ------*-*- -*-*-****
* . J
. . : *1 j 1.3 - ------i-=: ;1 : :::.
... ~ ; : : 1 . . ...
~ . i
~ 1.2 1------------'-"+----,~----+-.f------.......,.""--I Cl)
Frequency (Hz) Figure 92. Control Building In-Structure Response Spectra Damping Ratios for 4 Percent to 7 Percent Damping , Node 35713, Z-Direction NuScale Nonproprietary
CRB 4% Damping ISRS Comparison, Node 34380, Z Direction 14 . . .., . . :: . :
- - SAP2000 Fixed-Base Analysis
- - NUREG Method 12 --White-Noise Method
- - Scale Factor= 1.25
§ 10 ..
C:
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=:::
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----*-**-*---- . -~ --*H------*-----= :___ : :_
- .l
- =1 2 -----.. .-.. . _.. . .--.----*_. .*-r-----..---------*------- - .-.
* : * ' : i , :
* =: I
. . * . : *1 0
10-1 Frequency (Hz) Figure 93 . Control Building In-Structure Response Spectra for 4 Percent Damping , Node 34380 , Z-Direction CRB 4% Damping ISRS Comparison, Node 35713, Z Direction 16 . . . . . . ::
- - SAP2000 Fixed-Base Analysis 14 - - NUREG Method
--White-Noise Method
- - Scale Factor= 1.25 12
§ '.;I. !
.. : .i C .. !
j 10 C'J .. *1
* . i ai . .i "ijj u 8 u . ': :i
<t
~ 6
- * - : _: . : , 1 -**------ *. ---*. -- ----.. - * - . = . . ,*---
i IJ) t ; : 1; :1
- : :. l 4
2 Frequency (Hz) Figure 94. Control Building In-Structure Response Spectra for 4 Percent Damping , Node 35713, Z-Direction NuScale Nonproprietary
Soil-Separation and Nonsoil-Separation In-Structure Response Spectra Comparison Table 4 provides a list of locations where ISRS comparison is performed , as well as a description of the locations. Table 4. Locations for Soil-Separation vs. Nonsoil-Separation In-Structure Response Spectra Comparison Node Number Direction(s) Location 32345 X, Y, Z Northwest Corner at Top of Base mat (El. 50'-0") 32526 X, Y, Z Center of Basemat at El. 50'-0" 34320 X, Y, Z Northwest Corner at El. 63'-3" 34380 X, Y, Z Slab Between Grid Line CB-D and CB-E at El. 63'-3" 35637 X, Y, Z Northwest Corner at El. 76'-6" 35713 X, Y, Z Emergency Equipment Room Between Grid Lines CB-D and CB-E at El. 76'-6" 38144 X, Y, Z Northwest Corner at El. 100'-0" 38298 X, Y, Z Slab between Grid Line CB-A and CB-B (Technical Support Center) at El. 100'-0" 39105 X, Y, Z Northwest Corner at El. 120'-0" 39214 X, Y, Z Mid-span of Slab Between Grid Lines CB-B and CB-C at El. 120'-0" 39715 X, Y, Z Northwest Corner of Roof at El. 140'-0" Figure 95 through Figure 100 show the locations of the nodes in the CRB for which SS vs. NSS ISRS comparisons are performed. NuScale Nonproprietary
Figure 95 . Top of Concrete at Basemat El. 50'-0" In-Structure Response Spectra Node Locations Figure 96 . El. 63'-3" In-Structure Response Spectra Node Locations NuScale Nonproprietary
N z
,..J....,
Figure 97 . Top of Concrete at Main Control Room El. 76'-6" In-Structure Response Spectra Node Locations Figure 98. Top of Concrete at Technical Center and Grade El. 100'-0" In-Structure Response Spectra Node Locations NuScale Nonproprietary
N z
,..J_..,
Figure 99 . Top of Concrete at Mechanical Room and Base of Steel Structure El. 120'-0" In-Structure Response Spectra Node Locations N z
,.J..,.
Figure 100. Roof El. 140'-0" In-Structure Response Spectra Node Location NuScale Nonproprietary
Soil-Separation and Nonsoil-Separation In-Structure Response Spectra Comparison Results Figure 101 through Figure 154 present the results of the comparison between SS and NSS ISRS. As shown in the following table , 15 cases show exceedances above 1.15 times the NSS ISRS, with two above 1.15 times the peak-broadened NSS ISRS and 1.15 times the design basis. For these locations, 34380 Zand 35713 Z, the design basis ISRS is updated to account for the identified exceedances, as shown in Figure 120 and Figure 132. Table 5. Summary of the Soil-Separation and Nonsoil-Separation In-Structure Response Spectra Comparison Results
# of Node/ Location Cases Direction SS > NSS x1 .15 15 32345, Z Northwest Corner at Top of Basemat 32526 , Z Center of Basemat 34320 , Z Northwest Corner at El. 63'-3" 34380 , X Slab Between Grid Line CB-D and CB-E at El. 63-3" 34380 , Z Slab Between Grid Line CB-D and CB-E at El. 63-3" 35637 , Z Northwest Corner at El. 76'-6" 35713 , X Emergency Equipment Room 35713 , Z Emergency Equipment Room 38144 , Z Northwest Corner at El. 100'-0" 38298 , X Technical Support Center 38298 , Z Technical Support Center 39105 , X Northwest Corner at El. 120'-0" 39105 , Z Northwest Corner at El. 120'-0" 39715 , X Northwest Corner of Roof at El. 140'-0" 39715 , Z Northwest Corner of Roof at El. 140'-0" SS > Peak- 2 34380 , Z Slab Between Grid Line CB-D and CB-E at El. 63-3 Broadened 35713 , Z Emergency Equipment Room NSS x1 .15 Scaled SS > 2 34380 , Z Slab Between Grid Line CB-D and CB-E at El. 63-3 Design Basis 35713 , Z Emergency Equipment Room ISRS x1 .15 NuScale Nonproprietary
CRB ISRS, Node 32345, X Direction 1.8 r- ~ -_ -_ -._-_-_-r-_-.::.::::-_:;. . .,n-,,-l--.---.--.-...-T"T"T"'r"r--......--.---,-,-~--r-T"I
- -ss . .
1.6 - - NSS x1 .15 t-.--t--------+----------1 j =I 1.4 , , , , : :,I , * * . .I
- : l. :
ci :
- l
~ 1.2
~
~
CD "i u u
< 0.8
~
u
~
fJ) 0.6 0.2 l--- - - ' - -- 6L+-;-'--;.-;.+--;.----'--....;......,-+-+-,-,-l---+--'----,-~*-,*-'-'-,-1 0 .____~_....__._~,._._........__ _.__~_,_..._._.........._.....__ __.__,.__._.__._._._._, 10* 1 Frequency (Hz) Figure 101 . Control Building In-Structure Response Spectra Comparison , Node 32345 , X-Direction CRB ISRS, Node 32345, Y Direction 1.8 ..--....-~--.-....-.........,...,...,..--,---,--,-.,....,...,...,..,-,----,.--,--.......,.....,.....,....,.....,
- - ss * ,.i 1.6 - - NS$ x1 .15 !---'--------;----'---'------'-----'-<
1'-:- :....,
.! =i .. . ..
ci
~ 1.2 .- --*-* ..._____ .....-.....
0 I!CD "i u u
< 0.8
. . 1 *1 .
-~
u
!_ 0.6 fJ) 0.4 1--- - - _ . ; . . _ _ c .,1.~ - - +- - ' - -- - - . . ; _ *_. -
" +----'---'----'-_..;.-'-'-l 0.2 ...................,_~----~--- . -- **--'r'-,*--*** :- ----------..---------~--
.: i I - -..
0 '----~--'---'-~~~-- .___,__,_~.......... ~ -~ -~._._~~ 10* 1 Frequency (Hz) Figure 102. Control Building In-Structure Response Spectra Comparison , Node 32345 , Y-Direction NuScale Nonproprietary
CRB ISRS, Node 32345, Z Direction 2 r----.----~..,....,......,..--,---,---,--..-,-.,....,...,...,......--,---,........,,....,....,......""T"Tl
. - -- - --~ * . I
- -- ss NSS x1.15 1- :,:1
, -,:* +i_ _.;...__ _.;...__ __ _ _ _ _ _ .... .....c..c.j 1.8
. i 1.6 1---..;-____._...__;-:..;;.......! : : : : I --,--....,_...;.._;,-;....;.i;...,,+----+-->----'--.--~
- : I :! ...
§ 1.4 t--- - : - - - - : - - ~ : - + - - : - - - - - ;cr.;;r.+.-tt-1----:-~:-----:--*.....,-t
~ 1.2 - - :*--*-* ; ._ ; ; ;+ --------*-*-*.,.,..-.. .,- -*'i\:
'i ' . .. t u
u eti o.8 -----*-*-.------*-
. . . ---.""1-----.
- : : :i a,
g; 0.6 ---*. ---~-:---:--;.*~< l - i 0 =---'---'---'--'-"- : .... 10*1 Frequency (Hz) Figure 103. Control Building In-Structure Response Spectra Comparison , Node 32345 , Z-Direction (a) CRB ISRS, Node 32345, Z Direction 2 ,----.....---~,....,............--.--.....--,--,.....,.....,...,..,...,......---,--,--..........,........,..,...,
- - ss 1.8 - - Broadened NSS x1 .15 i - -- - --t--- t t - - - - - - - - - i
,------t--+-c++--------.-. .,. . ;. .;.;.;
- ;j
. i 1.6 - - - - - - - , , - . .....
§ 1.4 - - - - - - , - - , - - : - , - + - - - ---,.=,,w-,---,1--,t+--t-- - - - -*- *-
c '
~ 1.2 t-------"-....a-'--:'-::-;-i_ _ _...,....--;oo""-'-it".'-t--...------.-__,--'-1 ai :. !
8u 1 ----**-- . :---*-.*.,...!--*---- . : I
~ 0.8
--~--**--* : ::__*:__:. ;_.l : !
ti ' I : . I ,! ; .. :
<II g; 0.6 _______ .,_ , ~ h . , - - *-+--- - - *-~----A - - - * - -
- I *'
0.4 , ; : ::r
- -::t. : . . ::: I
. . l ; : .
0.2 : . ::' . 0= - ~ - ' - - ' - - ' - L . . . . . u . . J . ._ _ .___~~l...-L.L..Liu......----'-~~........1.....i......~ 10-1 Frequency (Hz) Figu re 104. Control Building In-Structure Response Spectra Comparison , Node 32345 , Z-Direction (b) NuScale Nonproprietary
CRB ISRS, Node 32526, X Direction 1.6 1- --- s~ 1:: ! : ; : ~ ;> 1 _4 - - NSS x11 5 ~ :---**---~---** :_ _~_.:..: . ~ ' .. 1.2 1---- - - -.......;_.......'-*,-..... , -~---
§ : * . i C ~ :!
~
l! GI ....
~u 0.8 t - -- .......-~.....,.----e--,..;-,1-r1.......,...- - - . - - - , - -+l+---i-r-:--t<i------,--,:--,-:-;
~
ti 0.6 GI a. rn 0.4 ~ ---'----"--~ '-'---..+----.---'~--'-'-.....-+--'--..;......__;_~
- .id ..
0 .2 r---.-7S-'--,--........,._...,.:~: l~-~...,....._,.....~.,.......+---,...---,.--,.---,-_~ .H--,-1
"'-i_ .
- :j . . .
.
- i .*
0 .___ _,.___..__.__...........~.....__ __.._~__.._.__..._._.........__ _._____,__....._.......__........._. 10*1 Frequency (Hz) Figure 105 . Control Build ing In-Structure Response Spectra Comparison , Node 32526 , X-Direction CRB ISRS, Node 32526, Y Direction 1.6 r----.-~--.-""T"""T........TT""-~-~--.-.........T"T"T--,---,--...,.............,...,...,...,..., l .. *.
- -ss l
- - NSSx1 .15 :: i .. : :
1.4 t-1--- ..:..:.::::::...::..:..:...:..::J:-,-~---,-----,-c--:---:-j---~~---,:-----:-:-j 1.2 0 ~-_,____..__.__...........~~-__.._~__.._.__~~-~~~~~~ . . .. 10* 1 Frequency (Hz) Figure 106. Control Building In-Structure Response Spectra Comparison , Node 32526 , Y-Direction NuScale Nonproprietary
CRB ISRS, Node 32526, Z Direction
- - ss
.. I,,;
1.6 .---~.....,...-.-~..,...,..,..,....---,-~---,.-.-~~-~,--~.,.........-,-....,..,.., 1.4 I - - NSS x1 .1s .. )
- :i
~ . .
- =; :I 1.2 1------__;_~_.....:..~--..:----=-rii'--.;.-,.PI -At- - - - - ~ * - *--;
.1 0.2 t--- ~ ~-,.,s..~ _.. . . ,.,~. i-: -- ~ - , - - , ~ ~ . . ._, _, + - - ~ ~ - ~ , _ , . . . ,_,-..,...i_
- :l 0 ~---'----'-_._....__.........._......__ __.__.__.__._........."'-'-"_ _.___.__'""'---'-"-"-'-' '
10*1 Frequency (Hz) Figure 107. Control Building In-Structure Response Spectra Comparison , Node 32526 , Z-Direction (a) CRB ISRS, Node 32526, Z Direction 1.6 .--~--.-.....,......,.....,,..........-rr----r-,--,......,..~"TT1C---....--r--.-,.....,...,...,....,.,
- - ss 1.4 t-1...-=.-=.-=.=::B~ro~ad::'.::e::.:n~ed'. . .'.N.:::S~S;.._:x:.. :.1*:...:.15:::.r.---,--,-,.-:-:-j-:---:----:-~ **
*
- i **
1.2 -*-* --**-* *----;. . :. :_ ;.: *_ _ I______ . ;____ . 0.2 0 =--.....__.___._....._...............__ __.__.__.___._...._._J...LJ._ _..___.__~........~ * . 10-1 Frequency (Hz) Figure 108. Control Building In-Structure Response Spectra Comparison , Node 32526 , Z-Direction (b) NuScale Nonpropri etary
CRB ISRS, Node 34320, X Direction 2 .5 .----.--~-.-.,.....,.....,.......,-,--~~--r-.-.............,..,...----.-.......-........,.....,.....""T"r>
. ' .*.. i . ' ..
- -ss 1: :1
--N 1 SSx1.1s' ~: I
- . : : . .~
2 ~ -..----.--..;..-;.........-',....::_ _ _......-___,~..........-1---<--.....-'-.....*-.*-.*....-,-1
.. : ; f ..
- § C
0
- \I
. :
- i
~ 1.5 -* . - ,-.- . . ' --~--. -*,11-1-"'-ff+~ ----*--: --* .*.. :- . : ..
Cl) :.. i "i (.) (.)
~
( .) Cl) 0. C/) 0 =---.....___.__._................._.....__ _.___.__.__,_.._._.........__ ___,___.._..........._,_............., 10*1 Frequency (Hz) Figure 109. Control Build ing In-Structure Response Spectra Comparison , Node 34320 , X-Direction CRB ISRS, Node 34320, Y Direction 2.5 .----.--~--.-.,.....,.............,-,--~~--.---.-.............,..,...----.- -.--T"""T...,....,""T"r> l====~~sx1.1sl: : 2 1----.---+--+-+-+..,.....--+---+---~+-*....*- ----..-..;.---,....;...;-+-,-1 0 5 ----*. -*****-'*- : :__ :__ '*'-1----------* *- . *- *__ : :_. :_: * -**-*---- :____ . -- . - *.. *...
. .. ! 1 : . :: : ::
I ; I :
.. : I 0 ,:___.....__,_~~........._...__ _.___.~~~ . ' '.........
. -~_...__..._._._.........., ' ..
10-1 Frequency (Hz) Figure 110. Control Building In-Structure Response Spectra Comparison , Node 34320 , Y-Direction NuScale Nonproprietary
CRB ISRS, Node 34320, Z Direction 2.5 ~--,--~~~--.-........--~-~~~~--....---,--...-,~~
- ss *,'::! **
1- - NSS x1 .15 : :l 0 2 t---...,.'--'-.-.........;:_'....,...=.l,---..;---.--.-;-;-..-,.1~ - - - - - , - . - * ;.-* '""'""1°
- § C:
; : . j ,I 0
- 1.5 . . .. .
- :-1-------~*--.
--*-------*-**+-**: : ~ . ~.. . . . . . .. ..~- -- -----..-----***--*...;.. .
Cl)
'i CJ CJ ct
~ --***--*******..-- : _ : -*-* ; . : __
CJ
. * : :j Cl)
Q. 1/) i 0 =:.__.___.__._......._.........._.....: 1.....__....___,_...._._ * ....* ........_...,___ __,.___..__.__,_w..........LJ 10*1 Frequency (Hz) Figure 111 . Control Building In-Structure Response Spectra Comparison , Node 34320 , Z-Direction (a) CRB ISRS, Node 34320, Z Direction 2.5 .---~--.---.---.-,-,.-rrr--....---,--...-,r""T""......-,"T"""""--r-~--r~.,........TT, I== ~~adened NS~ x1 .1s Il 0.5 . 0 = =--~__..__.......L..._._........,__ ~ ~_.__.J........a_._...............___ _._~__.._._.,__.__........, 10*1 Frequency (Hz) Figure 112. Control Build ing In-Structure Response Spectra Comparison , Node 34320 , Z-Direction (b) NuScale Nonproprietary
CRB ISRS, Node 34380, X Direction 2 ,----,----,--,-.,...........,...,...,.,----,---,--,.......,....'T""T'"T"TT---,--.--............,.........--r, 1.8
§ 1.4 t--- - - -,- .- ;-, +- ! - - - -H I-II* *t-- , - + - - - - , . - - - ---,-i
§ ' : !
~ 1.2
~ . '.
~
Q) : : l 1 t---- - - ~ - - . - e - -;l-'--l+--- - --H-- - - - - - , ~,-...f u
~ 0.8 u
Q)
~ 0.6
.. j 0 ~-~~~~~~-~~-~~~-~--,~~~*~*~
10* 1 Frequency (Hz) Figure 113. Control Building In-Structure Response Spectra Comparison , Node 34380 , X-Direction (a) CRB ISRS, Node 34380, X Direction 2 .----,---,--,-.,...,.....,..,..,.......---,---,.---,.-,-......-...,...,..---,--,--.,..........,....,"""'"'"'
- - ss 1.8 - - Broadened NSS x1 .15 1 - - - - - - *-;*- - -- - - - *- * *
§ 1.4 1--- - - - . , . . - - , - - - + - - ~-1-- - - , --ctt-- -- ----,-1 C
0
~ 1.2 1-----.....;...........c.~---'---sa-Ht--v-+...---'1..-'-<',-----.;--.........- -
Cl)
~u 1
~ 0.8 uCl)
~0.6 __M _ _ _ _ _ ,._..:...-.+-J. - 0 -----*+----~
. i * .
-..*-*------*,_: ~ .. :_i_,___ ,.,,_:_ *___ *__ :,.. :. .: :.: -----*-=----*----- --=........ =.. * :
0 .4 : . . : '. : .:: . ::,
- ' i : ..
0.2 : --:--~-f*----t------*-~
. : 'i . . . : . . ***--**-- -: ---..*--**...**-**-:
- :. ~~
o~-~~~~~~-~~-~~~-~--,~~~~ 10*1 Frequency (Hz) Figure 114. Control Building In-Structure Response Spectra Comparison , Node 34380 , X-Direction (b) NuScale Nonproprietary
CRB ISRS, Node 34380, Y Direction 2~-~~~~~~-~-~~~~-~-~~~~
~----~ : :i
- - ss : :j 1.8 - - NSSx1 .15 . _.,
- : ; _,..,,. i,---.....--_ _..._.,..il l,H+.,+----.....---.--.--,--,-;..i 1.6 t---...._----~..,....;........,.: . ..
1
- :i
§ 1.4 I--- - - ~ _ ; _ ~:_ i_;__.;....__ ,o/l,CL- -,11-f\ - _ ; _ - - - ' - ----'-1 g l
~ 1.2 a; - --+-**-*
. . * --~-
- d .' ..... *
~ 11---~~~..,.............,.----..--h~ --;--,-,-¥.t- -~ ----,,-,-*~*
u
~ 0.8 u
a,
~ 0.6 oc;__....__..__._...._.__......_J.J__ _.__.__.._;_.._._.......t._ _._...._.._J_;_~*~-
10* 1 Frequency (Hz) Figure 115. Control Building In-Structure Response Spectra Comparison , Node 34380 , Y-Direction CRB ISRS, Node 34380, Z Direction 10
~ - - - - ~ ::
- - ss **.j 9 - - NSS x1 .15 ,-:-: :~ ;------*---+---------<
8
§ 7 C:
0
~
6 Cl)
- : : : ,i Gi : i * :
- u 5 - * - *--. * .. . -t--~ ..- - .- --... * -- . - - * * -- ~~-
u . . : i . . .
~ 4 t, : : ,:*:it- : : ::'. :i:1 : : .. .
Cl) Q. 3
- ;:~::,[ ~~~~
2 ------,----*~ *- : -:--:--:-* :, *-----: - -,----: - .
* * *** j
* : : : i 1 -----'-**: - ,...,__;_:. : ! ******--***-
* ; : I o L~:c::::=+/-:::::::i::::::i:i......:.L_......i..._;..........:_;_.i...*_;_*i.J..l_ _i....__;__........_j~.....u..J 10* 1 Frequency (Hz)
Figure 116. Control Building In-Structure Response Spectra Comparison , Node 34380 , Z-Direction (a) NuScale Nonproprietary
CRB ISRS, Node 34380, Z Direction 10
- - ss 9 - - Broadened NSS x1 .15 t - - - - - - - - - - - * ---1
.. i 8
- § 7 s::
0
- .:: 6 Q) ai
(.) (.) 5 ct iii 4 *- - - - - -* -*-**
- __ :_:,*... l -*** ..---* . * - - - : * -.... *: -
0Q) : :i Q. en 3 ---*-"--*-***-* .--;-.L..-: i-------- :--.. -*!--*.----t-~--- .. -*--- 2 0 b~:e::::::Et:~__.__~_._:*_1* -~~~ 10* 1 Frequency (Hz) Figure 117. Control Building In-Structure Response Spectra Comparison , Node 34380 , Z-Direction (b) CRB ISRS, Node 34380, Z Direction 15.---....--~ ~ ~...............--........- ....--..--.-~~- -.---,--........-,.-,-.,......,...,
- - Scaled SS
- - Design Basis ISRS x1 .15
- .. -i
- : ~ ::l
-----***------.. .____ :..... ~ ;_. 1= l _. . .. . . .... *.____ *,. . *-**--***-=I _ --**** - -*--*------
1 ":: ! : .. 0 '---=== ct*I:*:;_j__;_.l___.l..___,__.........i.....L........i...i..L_ ~__.._~...i..__;_*_;_*.u..J 10*1 Frequency (Hz) Figure 118. Control Building In-Structure Response Spectra Comparison , Node 34380 , Z-Direction (c) NuScale Nonproprietary
CRB ISRS, Node 34380, Z Direction 14
- - Scaled SS
- - Upda~e-~ ~esi~~ Basis ISRS .x1 .15.,_;___ _ ...
12 -*. *--- --~--. **~---- .--v-
§ 10 C
.2 Cl) a:;
8 u u
~
6 : :I
~
tiCl) C. {/J 4 2 0 10*1 Frequency (Hz) Figure 119. Control Building In-Structure Response Spectra Comparison , Node 34380 , Z-Direction (d) CRB ISRS, Node 34380, Z Direction 14 ~ - ~ ~ ~ . ~. ~.~ . -. --~~~~~--~~~~~~
- - Design Basis ISRS
- - Updated Design Basis ISRS 12 1--'=~~~~~===i=~=r~---+~-.....+-------;........;~
§ 10 t---- - - - - - - t - - - - - - - - - + - - l - - - - 1 1 - - - - - - ' - ------i
------**............ *.,-~--!'***--~~ ------!-*--*--
. ~
\--.. --.Jo.
.. :-.-~. '7 :
4 --*---*-....;.~-.. . .
. . -i.... --*---,--.i.-~--
o L-=====:::i:::::::r::1=-_i__.i..........i...*......;_j . .1____;_~~_._Ll 10*1 Frequency (Hz) Figure 120. Control Building In-Structure Response Spectra Comparison , Node 34380 , Z-Direction (e) NuScale Nonproprietary
CRB ISRS, Node 35637, X Direction 3 .----.--..- . ---,--~....,....,..~_..---...----.--,-.,..........-r-r-,~---.---.--,.---,-......-,CT"O l==~~Sx1.151=; :1 . .. 2.5
.:'.'.:ii *. j
- ,, *: -r- ' ' ,,::
- :* i
~ *-*-*- ~-*-*-* :..~.:.....-..... .. I ---..-..***-**. ..........._,. ............. ... .. ... .
~ .I ' ;*
2 , . : Ill : !
~
Q) i
~ 1.5 1------~--,.' .,...=,i ___ ___,_ y...._---i+---,....-- -*- *,_**,.....*~*
CJ : ; t
~
(.) GI C. fl') 0.5 *-- . -------, .**** , , : ....... ; *-,--,-*-** *.
' ** l :
Frequency (Hz) Figure 121 . Control Building In-Structure Response Spectra Comparison , Node 35637 , X-Direction CRB ISRS, Node 35637, Y Direction 3 ~--.--..--..-~~~---.--~---,--~~--..---.-~~~ 2.5 1 --NSSx1.15 1::*,:
----~- :
ss 1
.... : . ~--- . -
- __;., : :_ : -----.-------....----¥-. ... . ...
= . : =, : *I . , :
0.5 !----'---~-- -,---------:"':""-::.--.:+-----------'-'- .. 0 ==--....i.._......i....~...i......l....L....L.l...._-'-~~-'--~......_,__--------....i.._..o........i~u*..u
- 10* 1 Frequency (Hz)
Figure 122. Control Building In-Structure Response Spectra Comparison , Node 35637 , Y-Direction NuScale Nonproprietary
CRB ISRS, Node 35637, Z Direction 3 , . ** .. I 1- -ss
- - Nssxus '::
I : ! .. . ..
- . . : i : ;
2.5 *-. . ...
- : ~: l ----= : ~
I :' i
- §
.. ; :1 C
0 2 *-* ;--;-:****: :*! -*-------*-""":
.:: : : .:~!
~
Cl) . .! Gi : : l 8 1.5 c(
~
0
~ 1 0.5 _ ......_ * .. ...... ____
cc, =.. ..........:.J i 0 =:;;,.._.....___.__._...._._........
- }_ _....__.__.__._._..............,___ _.___.___._....._......._..J..J 10*1 Frequency (Hz)
Figure 123. Control Building In-Structure Response Spectra Comparison , Node 35637 , Z-Direction (a) CRB ISRS, Node 35637, Z Direction 3 .----,----,--,-..,.............,..,-,---..---,,.........--,-..,......~--.--...---.-,-,-~
- -ss
- - Broadened NSS x1 .15 ..
2.5 - - - - - - ~ * * ~ ---
*------~--- :
=: --------r---*--....
....:....~
- .. : I ...
sC : .. : ! 2 1------'--'---'*....,_----~l - 1 H - - - - - - - - - i lCl)
=;>I ai 8 1.5 c(
..:.i .
--..-**:** ;*---=-;:,_:;. . -.. .-.. = ... -
.. l
* . i 0.5 1------......:.-'--'te-i:..,-:;..:...--'-----C-.:..'.....:...:**4--_....;...._ _.;::::,,........;....:...j 0 i==...L..__.__._........t.........._......__ __._____;___.-'--.i....i...........J._ ____;.__...L......................w*....i.J
- 10*1 Frequency (Hz)
Figure 124. Control Building In-Structure Response Spectra Comparison , Node 35637 , Z-Direction (b) NuScale Nonproprietary
CRB ISRS, Node 35713, X Direction 2 .5 ~-....--~~~~~-~---.~~.........~----,--.--~~~
- § C
0
~ 1.5 Cl) ai
() ()
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Figure 128. Control Building In-Structure Response Spectra Comparison , Node 35713 , Z-Direction (a) NuScale Nonproprietary
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Figure 130. Control Build ing In-Structure Response Spectra Comparison , Node 35713 , Z-Direction (c) NuScale Nonproprietary
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Figure 133. Control Building In-Structure Response Spectra Comparison , Node 38144 , X-Direction CRB ISRS, Node 38144, Y Direction 5 ,---..,......"""T"-,-"T""T..,......T"T"""-"""T"--,---,--,-T"T",....,......----,,--...,.......,........,...,...,,....,..,..., _
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10*1 Frequency (Hz) Figure 135. Control Building In-Structure Response Spectra Comparison , Node 38144 , Z-Direction (a) CRB ISRS, Node 38144, Z Direction 3.5 .----....---.---.-.......~.....---~--.---.-,....,..,...,.,..----,_....--..,.....,...,...,,..,....,...,
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CRB ISRS, Node 38298, X Direction 5 ~ - - , - - - , - - . - ~ . . , . . . , . . , - , - - - - , . - ~ - - . - ~ ~ - ~ - - , - - - r - , -..........~
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Figure 143. Control Building In-Structure Response Spectra Comparison , Node 39105 , X-Direction (b) CRB ISRS, Node 39105, Y Direction 6 .---~----.----.........-..........~--..--~~T""'T"........,...,.....---,.-..--,.......,.....,....,...,......,
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Figure 144. Control Building In-Structure Response Spectra Comparison , Node 39105 , Y-Direction NuScale Nonproprietary
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Figure 145. Control Building In-Structure Response Spectra Comparison , Node 39105 , Z-Direction (a) CRB ISRS, Node 39105, Z Direction 3.5 . - - - ~ - - ~.........,..,..,.--,---.--.-..-,-..,...,.........----,--.--,......,.--.--,..,..,.,
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Figure 146. Control Building In-Structure Response Spectra Comparison , Node 39105 , Z-Direction (b) NuScale Nonproprietary
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Figure 148. Control Building In-Structure Response Spectra Comparison , Node 39214 , Y-Direction NuScale Nonproprietary
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Figure 152. Control Bu ilding In-Structure Response Spectra Comparison , Node 39715 , Y-Direction NuScale Nonproprietary
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< ::1 e 1.5 : :i : i 0Q)
Q. en D "'==:..___.____._....._........_..u...._~---i'---'-'-,._,_i...i..1._ _.____..__.....__........_............., 10*1 Frequency (Hz) Figure 153. Control Building In-Structure Response Spectra Comparison , Node 39715 , Z-Direction (a) CRB ISRS, Node 39715, Z Direction 4 ~--.----~~~---,--~-~~--...--.--~-~
- -ss 3.5 rt..-=.-=.-=.=..::B:..:::ro.:::
ad:.::e::.::ne:::.::d:..:.N:.::S:.::S~x.:..:1*..:. :1:5 .r----,-;---,-:-t--,-------:-;--:--:--71
- *1 I
!f * *
- 3 ______._.............: -:*-***~'
-i--- :- ....... : - :-'* -***- ......_. ._,..... *' '-
i * *
- *i C: . !
~ 2.5 -----+-+--+, ! _ - - - - - . . - +-r+:*+-1--------i-+-,-t +-;.
Q)
. I
~u 2 : ~ .:;i .
~
- . .1 t; 1.5 Q)
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*--* : _:: .: : :: +-= i I : .l 0.5 1-------,...~-'--:Y~ ,=....- - -~,..,...,.., _ __ _ _.......,.....,.....,
D ~==2:::::I..L....l.:.L_l____._.___;_;__._.J.jL_.......,L__.____.__,_;_..:._wJ 10*1 Frequency (Hz) Figure 154. Control Building In-Structure Response Spectra Comparison , Node 39715 , Z-Direction (b) NuScale Nonproprietary
Updated Design Basis In-Structure Response Spectra for Floor Elevations The updated design basis ISRS for floor elevations 63'-3" and 76'-6" are provided in this section. As shown in Figure 119 and Figure 131 , the 5 percent damped design basis ISRS for floor elevations 63'-3" and 76'-6" was updated to account for identified exceedances. A frequency-dependent scale factor, a r, , is presented to modify the ISRS plots for other damping ratios, as shown below:
= (Updated Design Basis ISRS, 5% Damping))
a,, Design Basis ISRS, 5% Damping fi Equation 6 Where, for each frequency point, /i , scale factor ar1 is calculated by dividing the updated 5% damped design basis ISRS by 5% damped design basis ISRS. Then, ISRS plots for each damping ratio is scaled in accordance with Equation 7: Where { =2% , 3% , 4% , 7%, and 10% damping ratio. Updated Design Basis ISRS,{ Damping= ati(Design Basis ISRS,{ Damping) Equation 7 The following figures show the updated design basis ISRS for all damping ratios for floor elevations 63'-3" and 76'-6". NuScale Nonproprietary
Standalone&Triple Envelope CRB Floor Z-ISRS (El.63-3)
~ - 2% ~ - 3% ~ - 4% ~ - s% ~ - 1% ~ - 10%
Frrqu* n<y (Hz) Figure 155. Updated Design Basis In-Structure Response Spectra for Floor El. 63'-3" NuScale Nonproprietary
StandaJone&Triple En velope CRB Floor Z-ISRS (El.76-6)
- - 2% - - 3% - - 4% - - 5% - -7% - - 10%
1 0~-~-~~~~~--~-~~~~~--~~~~~~ 9 - -~----***-+---LU IL_ _ _ _ _ _j________t--- !
' : I; Ii : I
= i'j' I
' : 11 !
I ij l j : * : "! ,t j 6 I I: i
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0.1 10 100 Frequency (l:lz) Figure 156. Updated Design Basis In-Structure Response Spectra for Floor El. 76'-6" NuScale Nonproprietary
Response to Questions 3, 4, and 5
- 3. The information has been provided in the response to Questions 1 and 2 above.
- 4. As discussed with the NRC on February 26 , 2019 , in lieu of providing tables, Nu Scale has provided plots of 1.15 times the NSS case to show where exceedances greater than 15 percent occur. This allows for clear inspection of the data.
- 5. The following describes the analysis cases involved in the sensitivity study .
Two models were used for the RXB. Model A is the RXB SASSI model without soil separation and Model B is the RXB SASSI model with soil separation . The two models are identical, except the backfill soil properties in the separation zone in Model B are reduced. To account for the effect of partial soil separation in the analysis model for the study , the Young 's moduli of the backfill elements down to a depth of 25 ft, the top four layers of backfill elements, was factored by 0.01 . The soil moduli of the top four backfill soil layers are reduced for the full width of the backfill soil , 25 ft. Both models were then analyzed for Soil Type 7 with cracked concrete properties and 7 percent concrete material damping . Soil Type 7 was chosen because that is the model that generally produced the highest ISRS, forces , and moments. Cracked concrete properties were chosen to be consistent with the use of 7 percent damping for the concrete material. Because the effects of soil separation are being investigated , all comparisons were made with results from Soil Type 7, cracked concrete , and 7 percent concrete damping. Similarly , two models were used for the CRB. The original CRB SASSI model without soil separation is designated as Model A and the CRB SASSI model with the reduced backfill soil properties to account for the soil separation effect is designated as Model B. The two models are identical except that the backfill soil properties in the separation zone in Model B are reduced. To account for the effect of partial soil separation in the analysis model for the study, the Young 's moduli of the backfill soil solid elements down to one-third of the embedment , which is approximately equal to the total thickness of the top three layers of backfill soil to a depth of 18.75 ft, were factored by 0.01 . This factor was applied to all backfill elements outside the exterior walls , a total width of 25 ft. The CRB was analyzed for Soil Type 7 with cracked concrete properties and 7 percent concrete material damping. Soil Type 7 was chosen because that is the model that produces the highest ISRS, forces , and moments. Cracked concrete properties were chosen to be consistent with the use of 7 percent damping for the concrete material. Because the effects of soil separation are being investigated , all comparisons are made with results from Soil Type 7, cracked concrete, and NuScale Nonproprietary
7 percent concrete damping. This is described in FSAR Section 3.7 .2.1.1.3. Reference Rezaeian , S., Bozorgnia , Y., Idriss, I.M. , Abrahamson , N., Campbell , K., and Silva, W. ,
"Damping Scaling Models for Elastic Response Spectra ," presentation at NGA-West2 Preliminary Results Workshop . November 15, 2012 .
Impact on DCA: The FSAR Section 3.7.2, Tables 1.8-2 and 3.7.2-56 , and Figures 3.72-114 , 3.7.2-11 Sa and 3.7.2-119a have been revised as described in the response above and as shown in the markup provided in this response. NuScale Nonproprietary
NuScale Final Safety Analysis Report Interfaces with Certified Design RAI 01 -61, RAI 02.04.13-1, RAI 03.04.01 -4, RAI 03.04.02-1, RAI 03.04.02-2, RAI 03.04.02-3, RAI 03.05.01.03-1, RAI 03.05.01.04-1, RAI 03.05.02-2, RAI 03.05.03-4, RAI 03.06.02-6, RAI 03.06.02-15, RAI 03.06.03- 11 , RAI 03.07.01 -2, RAI 03.07.01 -3, RAI 03.07.02-453, RAI 03.07.02-651 , RAI 03.07.02-652, RAI 03.07.02-8, RAI 03.07.02-12, RAI 03.07.02-1555, RAI 03.07.02-1651, RAI 03.07.02-235 l, RAI 03.07 .02-26, RAI 03.08.04-1S1, RAI 03.08.04-352, RAI 03.08.04-2351, RAI 03.08.04-2352, RAI 03 .08.04-2353, RAI 03.08.05-1451, RAI 03.09.02-15, RAI 03.09.02-48, RAI 03.09.02-67, RAI 03.09.02-69, RAI 03.09.03-12, RAI 03.09.06-5, RAI 03.09.06-6, RAI 03.09.06-16, RAI 03.09.06-1651 , RAI 03.09.06-27, RAI 03.11 -8, RAI 03.11-14, RAI 03.11-1451, RAI 03.11 -18, RAI 03.13-3, RAI 04.02-152, RAI 05.02.03-19, RAI 05.02.05-8, RAI 05.04.02.01 -13, RAI 05.04.02.01-14, RAI 05.04.02.01 -19, RAI 06.02.01.01.A-18, RAI 06.02.01 .01.A-19, RAI 06.02.06-22, RAI 06.02.06-23, RAI 06.04-1, RAI 09.01.01 -20, RAI 09.01.02 -4, RAI 09.01 .05 -3, RAI 09.01.05-6, RAI 09.03.02-3, RAI 09.03.02-4, RAI 09.03.02-5, RAI 09.03.02-6, RAI 09.03.02-8, RAI 10.02-1, RAI 10.02-2, RAI 10.02-3, RAI 10.02.03-1, RAI 10.02.03-2, RAI 10.03.06-1, RAI 10.03.06-5, RAI 10.04.06- 1, RAI 10.04.06-2, RAI 10.04.06-3, RAI 10.04.10-2, RAI 11 .01-2, RAI 11 .01 -252, RAI 12.03-5551 , RAI 13.01.01-1, RAI 13.01.01 -151 , RAI 13.02.02-1, RAI 13.03-4, RAI 13.05.02.01-2, RAI 13.05.02.01 -251, RAI 13.05.02.01-3, RAI 13.05.02.01-351, RAI 13.05.02.01-4, RAI 13.05.02.01 -451 , RAI 14.02-7, RAI 19-31 , RAI 19-3151, RAI 19-38, RAI 20.01-13 Table 1.8-2: Combined License Information Items Item No. Description of COL Information Item Section COL Item 1.1-1 : A COL applicant that references the NuScale Power Plant design certification will identify the 1.1 site-specific plant location. COL Item 1.1 -2: A COL applicant that references the NuScale Power Plant design certification will provide the 1.1 schedules for completion of construction and commercial operation of each power module. COL Item 1.4-1: A COL applicant that references the Nu Scale Power Plant design certification will identify the 1.4 prime agents or contractors for the construction and operation of the nuclear power plant. COL Item 1.7-1: A COL applicant that references the NuScale Power Plant design certification will provide site- 1.7 specific diagrams and legends, as applicable. COL Item 1.7-2: A COL applicant that references the NuScale Power Plant design certification will list additional 1.7 site-specific piping and instrumentation diagrams and legends as applicable. COL Item 1.8-1: A COL applicant that references the NuScale Power Plant design certification will provide a list of 1.8 departures from the certified design. COL Item 1.9- 1: A COL applicant that references the NuScale Power Plant design certification will review and 1.9 address the conformance with regulatory criteria in effect six months before the docket date of the COL application for the site-specific portions and operational aspects of the facility design. COL Item 1.1 0-1: A COL applicant that references the NuScale Power Plant design certification will evaluate the 1.10 potential hazards resulting from construction activities of the new NuScale facility to the safety-related and risk significant structures, systems, and components of existing operating unit(s) and newly constructed operating unit(s) at the co-located site per 10CFR 52.79(a)(31 ). The evaluation will include identification of management and administrative controls necessary to eliminate or mitigate the consequences of potential hazards and demonstration that the limiting conditions for operation of an operating unit would not be exceeded . This COL item is not applicable for construction activities (build-out of the facility) at an individual Nu Scale Power Plant with operating NuScale Power Modules. COL Item 2.0-1: A COL applicant that references the NuScale Power Plant design certification will demonstrate 2.0 that site-specific characteristics are bounded by the design parameters specified in Table 2.0- 1. If site-specific values are not bounded by the values in Table 2.0-1 , the COL applicant will demonstrate the acceptability of the site-specific values in the appropriate sections of its combined license application. COL Item 2.1- 1: A COL applicant that references the NuScale Power Plant design certification will describe the 2.1 site geographic and demographic characteristics. COL Item 2.2-1: A COL applicant that references the NuScale Power Plant design certification will describe 2.2 nearby industrial, transportation, and military facilities. The COL applicant will demonstrate that the design is acceptable for each potential accident, or provide site-specific design alternatives. COL Item 2.3-1: A COL applicant that references the NuScale Power Plant design certification will describe the 2.3 site-specific meteorological characteristics for Section 2.3.1 through Section 2.3.5, as applicable. COL Item 2.4- 1: A COL applicant that references the NuScale Power Plant design certification will investigate 2.4 and describe the site-specific hydrologic characteristics for Section 2.4.1 through Section 2.4.14, except Section 2.4.8 and Section 2.4.10. Tier 2 1.8-3 Draft Revision 3
NuScale Final Safety Analysis Report Interfaces with Certified Design Table 1.8-2: Combined License Information Items (Continued) Item No. Description of COL Information Item Section COL Item 3.7-10: A COL applicant that references the NuScale Power Plant design certification will perform a 3.7 site-specific configuration analysis that includes the Reactor Building with applicable configuration layout of the desired NuScale Power Modules. The COL applicant will confirm the following are boun ded by the corres ponding design certified seismic demands:
- 1) The in-structure response spectra of the standard design at the foundation and roof. See FSAR Figure 3.7.2-107 and Figure 3.7.2-108 for foundation in-structure response spectra and Figure 3.7.2-113 for roof in-structure response spectra.
- 2) The maximum forces in the NuScale Power Module lug restraints and skirts. See Table 38-28,
- 3) The site-specific in-structure response spectra for the NuScale Power Module at the skirt support will be shown to be bounded by the in-structure response spectra in Figure 3.7.2-156 and Figure 3.7.2-157. The site-specific in-structure response spectra for the NuScale Power Module at the lug restraints will be shown to be bounded by the in-structure response spectra in Figure 3.7.2-158 through Figure 3.7.2- 163.
- 4) The ma ximum forces and moments in the east and west wing walls and pool walls. See ~
Table 3.7.2 32Table 38-22b and Table 38-23b.
- 5) [':lQt used,TRe site s13eeifie in strnetlJFe Fes13ense s13eetFa feF tRe flJel steFage Faeks will be sRewn te be belJnded by tRe in stFlJctlJFe Fes13ense s13eetFa in FiglJFe 3 6 tRFelJgR FiglJFe 3 14 ef:TR 0816 49833.
- 6) The site-specific in-structu re response spectra shown immediately below will be shown to be bounded by the ir corresponding certified in-structure response spectra :
Reactor Building north exterior wall at EL 75'-0": bounded by in-structure response spectra in Figure 3.7.2-11 O Reactor Building west exterior wall at EL 126'-0": bounded by in-structure response spectra in Figure 3.7.2-112 Reactor Building crane wheels at EL 145 '-6": bounded by in-structure response spectra in Figure 3.7.2-114 Control Building ea st wall at EL 76'-6": bounded by in-structure response spectra in Figure 3.7 .2-119a and Figure 3.7.2- J J9b Control Building south wall at EL 120'-0": bounded by in-structure response spectra in Figure 3.7.2-121 a and Eigme 3.7.2-121 b If not, the standard design will be shown to have appropriate margin or should be appropriately modified t o accommodate the site-specific demands. COL Item 3.7-11 : A COL applicant that references the NuScale Power Plant design certification will perform a 3.7 site-specific analysis that, if: a1313lieable, assesses the effects of soil separation. The COL applicant will confirm that the in-structure response spectra in the soil separation cases are bounded by the in-structure respon se spectra shown in FSAR Figure 3.7.2-107 through Figure 3.7.2-122. CQL Item 3.7-12; A CQL applicant thi!t references tbe Nu Scale PQwer Plant design cectific2tiQn will perfQrm 2n 1.Z 2n2lysis tbat uses site-spedfic SQil and time histQries tQ cQnfirm the 2deQyacy of the fluid-struct1,m:: interactiQn CQ((ectiQn ractQr CQL Item 3.7- J3; 8 CQL applic2nt tbat refe[ences tbe t::luScale PQwer e12nt design certific2tiQn will perfo[m a site- 1.Z specific 2n2lysis thilt ilssesses the effects Qf nQn-ver:tically propi;!gilting seismic Willles Qn the free-field g[Qund mQtiQns and seismic respQnses Qf Seismic CiltegQ[Y I structu[es. systems, and CQmpQnents CQL Item 3.7- J4: A CQL gpplicilnt that references the N!.!Sci:!le PQwer Pli:!nt design i;ertificiltiQn will demQnstrate 32. tbat tbe site-specific seismic demand is bQ!.!nded by tbe FS8R capacit)l fu[ an empt)l d[)l dQc~ CQnditiQn, CQL Item 3 7-15: 8 CQL applicant thilt refereni;es the !'::l!.!Si;ale PQwer Pli:!nt design i;er:tificiltiQn will determine the 1.Z apprQpriate site-sr;iecifii; number Qf inter1!ctiQn planes for SQil str!.!Ct!,!re interilctiQn, COL Item 3.8-1: A COL appl icant that references the NuScale Power Plant design certification will describe th e 3.8 site-specific program for monit oring and maintenance of the Seismic Category I structures in accordance with the requirements of 10 CFR 50.65 as discussed in Regulatory Guide 1.160. Monitoring is to include below grade walls, groundwater chem istry if needed, base settlements and d ifferential displacements. Tier 2 1.8-7 Draft Revision 3
NuScale Final Safety Analysis Report Seismic Design model were similar and further confirms that the ESM approaches the DM in accuracy. The comparison of 7P to 9P is accomplished by looking at the in-structure response spectra (ISRS) at three locations in the reactor building :
- The northeast corner on top of the basemat as shown in Figure 3.7.2-5.
- The NP Ml East bay wall at the lug support as shown in Figure 3.7.2-6.
- The center of the roof slab as shown in Figure 3.7.2-7.
RAI 03.07.02-452 In addition, bending moments at the center of the roof are compared to investigate if the moment responses calculated by the analysis using the 7P interaction nodes are close to those from the analysis using the 9P interaction nodes. These comparisons are performed with the CS DRS and all five CSDRS-compatible time histories for Soil Type 11 (soft soil) and Soil Type 7 (rock) using cracked concrete and 4 percent damping. The 7P versus 9P ISRS comparisons for the Capitola time histories are provided in Figure 3.7.2-8, Figure 3.7.2-9, and Figure 3.7.2-10. The corresponding results for the other time histories are similar. As can be seen in these figures, there is very close correlation between the 7P and 9P models, with the larger variation occurring in the soft soil. This level of agreement justifies using a 7P versus a 9P model and, because the results are similar, demonstrates the acceptability of using the extended subtraction method as an alternative to the direct method . While the results are similar, they are not exact. This difference is not a concern because of the methodology used in developing accelerations and forces in the structures. Each building is evaluated with several soil types and two stiffnesses. In addition, for the CSDRS, five separate time histories are evaluated, and the results are averaged. RAI 03.07.02 -453 COL Item 3.7-15: A COL applicant that references the NuScale Power Plant design certification will determine the appropriate site-specific number of interaction planes for soil structure interaction. Cracked Model Stiffness For SASSl2010 analyses, the plate stiffnesses are only controlled by two input parameters. The two parameters are the Young 's modulus and the plate thickness. It is not possible to reduce the bending stiffness by 50 percent for cracked concrete while preserving the axial stiffness at 100 percent for in-plane forces by modifying Young 's modulus. A compromise approach is used by reducing the thickness by a factor equal to cubic root of 0.5, or 0.7937 to reduce the bending stiffness in half for the cracked concrete condition . In this approach, the uncracked axial stiffness is reduced by a factor of 0.7937. Tier2 3.7-1 11 Draft Revision 3
NuScale Final Safety Analysis Report Sei sm ic Design For convenience in design of components and supports that need to be Seismic Category I or Seismic Category II, ISRS at multiple nodes at each floor are combined to develop a single ISRS for each floor. The ISRS corresponding to each main floor of the RXB identified below are provided in the listed figures. Although ISRS are provided at the NPM base (floor at EL. 25 ' O"), time histories were used as input for the evaluation of the NPMs as described in Appendix 3A. The governing ISRS envelop the ISRS taken from node locations on the corners of the buildings to capture the torsional and rocking components. See Table 3.7.2-53 for a list of nodes enveloped at each floor to produce the floor ISRS. Figure 3.7.2-142 through Figure 3.7.2-148 show the locations of the nodes selected for floor ISRS generation. Floor Figure 24'-0" Figure 3.7.2 -107 25'-0" Figure 3.7.2-108 50'-0" Figure 3.7.2-109 75'-0" Figure 3.7.2-110 100'-0" Figure 3.7.2-111 126'-0" Figure 3.7.2-112 181 '-0" Figure 3.7.2-113 3.7.2.5.4 Reactor Building Crane In-Structure Response Spectra RAI 03.07.02-453, RAI 03.08.04-23 53 The seismic analysis of the RBC uses ISRS for input. The ISRS are generated at four selected individual crane wheel locations. These locations are on the reactor pool wall at the crane' rail slab at elevation 1q5* 6"EI. 145'-6". see Table 3.7.2-56. The enveloping ISRS for these four locations are provided in Figure 3.7.2-114. ln.. addition to these four nodes. a fifth node located on the crane rail slab is used to generate the ISRS in the vertical direction. This node is used because when soil separation effects are considered. the vertical direction is not bounded by the enveloped ISRS of the other four nodes. The seism ic analysis of the RBC is completed per ASME NOG-1 (Reference 3.7.2-4). RAI 03.08.04-2353 3.7.2.5.5 NuScale Power Module Bay Wall In Structure Response Spectra Not Used RAI 03.08.04-235 3 The NPM lug restraints transfer the horizontal forces between the NPMs and the walls of the bay. These restraints ensure that the ~JPM w ill not fall as a result of a seismic event. Because of the significance of the restraints, bounding ISRS are provided. These ISRS are not used for the design of any of the restraints, nor any specific components. l=lowever they are used in Section 3.8.1.8 to confirm acceptability of the site independent Reactor Building for use at specific sites. RAI 03.08.04-23 53 Tier 2 3.7-140 Draft Revision 3
NuScale Final Safety Analysis Report Seism ic Design RAI 03.07.02-453, RAI 03.0 8.04-2353 Table 3.7.2 -56: Selected Crane Wheel Locations and a Crane Rail Slab Node for In-Structure Response Spectra Presentation L!M;atiQn NQ, Coordinates linchesl Location Description X1.E.:Wl Y.1N.:Sl z..M1 1 nu ~ l.Ba sw Crane Wheel 2 nu ill 1518. NW Crane Wheel
- 3. 3.QQL.2.5. :151 J..518 SE Crane Wheel
! .3.0.62.25. ill 1518. NE Crane Wheel 2 120.Q ill 1518. Crane Rail Slab at Grid Line RX-2 at El.1 45'-6" Tier 2 3.7-259 Draft Revision 3
NuScale Final Safety Analysis Report Seismic Design RA I 03.07.02-453, RAI 03.07.02-653 Figure 3 .7.2-114: ' lo-Structure Response Spectra at Reactor Building Crane Wheels at El. 145' 6 "
\ ertirn l (Z) IS ltS, t,*11, l'lope o r .. C r ane \ \ httl Nod ce of 4 C nt nc W hul Nodes. No rch.Sout h (Y) IS RS, En\*t lo1,c or 4 C"' nc Wheel Nodes, C'" UM.S lnp ul CSDRS ln1>ut CS DRS Input
- r. - J~ - .i"' - ¥o. - 1'1'- - 100~
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- tt. - J'!fo - *% - 5% - 7.,. - 1(,...
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- l't rtk:a l (Z) ISR * [n*elopc of 4 Cra ne Whcd Notlu .
- 2' - )t ~ l-l!!_!~u~ ,, _ ,. ,.. - 2' _
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- l". - )fS~~~-*~ ~J!U.!...._1' - 100-..
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Tier 2 3.7.377 Draft Revision 3
NuScale Final Safety Analysis Report Seismic Design RAI 03.07.02-453, RAI 03.07.02-653, RAI 03.07.02-26 Figure 3.7 .2-11 sa: Control Building - In-Structure Response Spectra at El, 63'-3" !Z=SZQ"l. s CSDRS Inputs St1n~1lone&Triple Envelope CRB Floor X-ISR (EL.63-3) Standalon*&Triple Ennlope CRB Floor Y-1 RS (EL.63-J) Standalone& Triple Envelo1>* CRB Floor Z-ISRS (El.63-3)
- 2"' - J~ - 4% - 5% - 7'4 - 10%
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~
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v~
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I '\ I k ~ i1ii;;;
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1 I I FttquHey (11.z) ftNi*Hl')' ( lb) '" IO 100 Tier 2 3.7-384 Draft Revision 3
NuScale Final Safety Analysis Report Seismic Design RAI 03.07.02-4S3, RAI 03.07.02-6S3, RAI 03.07.02-26 Figure 3.7 .2-119a: Control BuUdlng - In-Structure Response Spectra at El, 76'-6" !Z=72Q"l. s CSDRS Inputs S1and1lonr&Trlple Envelope RB Floor X-JSRS (EL.76-6) Slandalonr&Triplc Ennlopc C RO floo r Y-1 RS (EL.76-6) Standalone&Trlple Envelope CRB Floor Z..ISRS (E:1.76-6)
-4*, _ ,.._ _ ,_, - H>** - 2'4 - 3'4 - <4'JII, - 5'4 - 7% - 10%
- 2-* - JV. - 211. - 3", - 4*, _ ,... - ~ - 10'*
10 o, 10 100 FrtqH11cy(lll) frfll*Ut')' ( llt) Frrq1my(lh) Tier2 3.7-387 Draft Revision 3}}