Text

Summary of 880525 Meeting W/Gpu in Rockville,Md Re Matters Related to site-specific Response Spectra.Viewgraphs Encl
	ML20150C010
Person / Time
Site:	Oyster Creek
Issue date:	06/22/1988
From:	Dromerick A; Office of Nuclear Reactor Regulation
To:	; Office of Nuclear Reactor Regulation
References
	NUDOCS 8807120280
	Download: ML20150C010 (78)
	v • d • e

r June 22, 1988 Do8ketNo:

50-219 LICENSEE:

GPU Nuclear Corporation Jersey Central Power and Light Company FACILITY:

-0yster Creek Nuclear Generating Station i

SUBJECT:

SUMMARY

OF THE MAY 25, 1988 MEETING WITH GPU NUCLEAR CORPORATION (GPUN) TO DISCUSS MATTERS RELATED TO SITE SPECIFIC RESPONSE SPECTRA FOR THE OYSTER CREEK NUCLEAR-GENERATIh&4T* TION On Wednesday, May 25, 1988, a meeting was held at NRC, White Flint North, Rockville, Maryland with GPUN (the licensee) to discuss the licensee's proposed site specific response' spectra for Oyster Creek and nethodology to develop new seismic floor response spectra. Attachment 1 is thr list of individuals participating in the discussion.

Attachnent 2 is the licensee's agenda. The following is a summary of the significant items discussed.

The licensee indicated that the site specific response spectra will be computed as 84th percentile of rest appropriate records (see Table 1 of Attachnent 2) and incorporation of marginal data (Table 2 of Attachnent 2) and recent data (Table 3 of Attachment 2) would not significantly impact the 84th percentile determined from most appropriate records. The licensee also stated that the strong motion data matching the site specific response spectra criteria for Oyster Creek illustrate that the Oyster Creek SEP spectrum is a conservative representation of the ground motion associated with the site.

We advised the licensee that we had several concerns related to the site specific response spectra and that the review of this matter could take several renths. Our concerns related to (1) records which included the SS1 effects (2) suitability of shear velocity (3) absence of recent earthquake profits only to judge the compatibility with the-0yster Creek site recordt which could be suitable for analysis and (4) inclusion of P wave velocity.

GPUN's responses (7 submittals by GPUN) to the staff's audit questi..s of December 16, 1987 were also discussed. The specific additional information needed for the six out of seven submittals was provided to the licensee (Attachment 3) and was discussed. The staff will provide additional guidance on (1)) acceptability criteria for generating target Power Spectral Densitics (PSD's and comparision with the PSD function of the Oyster Creek tire-history l

and (2) acceptability criteria for soil property variation. The licensee l

stated that they will provide the additional information requested in Attachaent 3.

l 1

riginal signed by 80o712o200 $$oo$2' 219 Alexander Dromerick, Project Manager PDR ADOCB PDR Project Directorate I-4 P

Division of Reactor Projects I/II Attachments:

s ck JS 6/;2)/88 6/g /88 6/{L/88

4

~ DISTRIBUTION

' Docket ~

fiRC & Lccal FCPS PDI 4 F'cading File J.Stolz A.Dromerick CGC-E. Jordan B. Grimes fiRC Participants F.Orr H.Ashar D.Jeng R.Rothman L.Peiter G.Bagebi R.Pichun6ni ACRS (10)

F.E.Claytcr.

i i

l i

I i

s.

-s Docket No. 50-219 List of Attendees Narre Re) resenting Phone #

TraEk Orr NR;/NRR/PDI-4 301 492-1321 A.J. Philippolopoulos BNL 516 282-2115 H.Ashar NRC/NRR/ DEST 301 492-1374 D.Jeng NRC/NRR/ DEST (301 492-0842 Robert Rothran NRC/NRR/ DEST (301492-0827 Leon Reiter NRC/NRR/ DEST (301)492-0841 Goutam Bagchi NRC/NRR/ DEST (301)492-0840 C.J. Costantino BNL 516)282-2448 Richard Holt Wes. ton Geophysical 6171336-9191 3010 Raman Pichumani NRC/NRR/ DEST 201'963-4908 G.Capodanno GPUN

)316-7045 Y.Nagae GPUN (201316-7974 E.F. O'Connor GPUN (201 316-7245 Leon Garibian GPUN 201 316-7262 Lincoln Malik URS/Blume 415 957-5300 Ahmad F. Kabir URS/Blume 415 957-5300 Alexander Dromerick NRC/NRR/PDI-4 301 492-1301 E.P. O'Donnell GPUN 201 316-7640 M.W. Laggart GPUN 201 316-7968 George C. Klimkiewicz Weston Geophysical 617 366-9191

O f & rc,$ nt e n / }

SITE SPECIFIC RESPONSE SPECTRA for the OYSTER CREEK NUCLEAR GENERATING STATION for GENERAL PUBLIC UTILITIES by WESTON GEOPHYSICAL CORPORATION May 25,1988 l

l i

. _. ~... _ _..

.e,__,_____.-.,_.___._

OYSTER CREEK'SSRS MAY 25,1988 OVERVIEW o

SSRS CRITERIA o

RECORD SELECTION PROCEDURE o

MOST APPROPRIATE RECORDS

- COLtPARISON OF SHEAR WAVE PROFILES

- COLtP ARISON OF HORIZONTAL RESPONSE SPECTRA (55) VS. OCNGS SEP SPECTRUM o

MARGINALLY APPROPRIATE RECORDS I

o COMPARISONS WITH CERTAIN RECENT l

STRONG MOTION DATA o

SSRS THAT WILL BE. COMPUTED

1. BASED ON MOST APPROPRIATE RECORDS

2. SENSITlYliY TO INCORPORAT10N OF

(

MARGINAL RECORDS o

SUMMARY

l

SSRS CRITERIA Establishedin lelter (Dec. 16, 1987) to M'. P. B. Fiedler (GPU) from Mr. A. W. Dromerick (USNRC)

MAGNITUDE RANGE 5.3 (+/- 0.5 or less) mbig DISTANCE RANGE less than 25 km SITE CONDITION Deep Alluvium r

l

RECORD SELECTION PROCEDURE 1.

Initial search for records in the magnitude range from 4.6 to 5.9 M recorded on deep alluvium L

or alluvium sites at distances less than 40 km.

2.

Select most appropriate records for SSRS for the OCNGS by comparison of subsurface conditions for sites that have measured shear wave profiles

[e.g. as published in NUREG/CR-1643, /CR-0055 and others, principally for the CIT Vol. 2 Accellero-I gram data base].

L 3.

Review more recent accelerogram data to identify records that fit the general site condition selection criteria. Accelerograph site conditions are typically reported as Alluvium or Deep Alluvium; no shear wave profiles are given in publications on the more recent strong motion data. Data recorded at sites underlain by Alluvium or Deep Alluvium in the proper magnitude and distance range were compiled for the SSRS analyses.

1

-4

~er.,

.w.-,--.--....._,.--,-,--,,,,.,._.,,..._,,..m.,

,.e..ww..

w.---

v.

, -,,,,... ~, -.

...e-r

4 e

. SOIL SEISMIC WAVE VELOCITY PROFILE AT OYSTER CREEK PLANT LAYER NO. MEASURED P-WAVE MEASURED SHEAR POISSONS LAYER DEPTH VELOCITY WAVE VELOCITY RATIO (FT)

VP (FEET /SEC)

Vs (FEET /SEC) j EL 23*

/

s c.9 i".;i::-:,f'".adcn,sg,...

,.,.y

.~

f

. s nd...:... i.}~9..)

'..@.3:'.9.M.'.dI

, g;;,,,.:,3 7 y

1 1400 600 0.39 15

/

$9!iiOMEtynu!2di'ii EL 16' p

/

^3 Sand '+ cla + siltjff17'ge o.

yl,7 p;j:,? ??. *i::i;%y ?M DP::j

/

2 5200 1000 0.48 25 m.;ii.

f.

72.5*

- EL -11'

/

EL -29.5* h///////

5

> '9:-::

-}*-

fjs,

sDense sand'c

. e. ::327.;(g5 i

~:-

i u(Cohansey sand): :p,..y;BASEMAT OF REACTOR c

eg.

BUILDING 3

5600 1200 0.43 65

___,__i (MtDDLE

> ::%g7; Sand + cla..y +.,c.c.eg.y;:,.3 silt 2 :i. 8,'

W..'e........

i 6

.e.:..

.. S OF 3RD w...

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I' 4

5900 1400 0.47 35 LAYER d

[ i, *.-" [ Dense sand).

Ml s:

9:5t~1700*

2:n-?.i

.NI

.y; 1,.:!.y@,

'I s@SSEiB'*?ch'd?6n l

i NOTE: WATER TABLE VARIES BETWEEN EL +3.5* TO +10.0*

I l

l

i L

3-y e

E MOST APPROPRIATE RECORDS FOR OYSTER CREEK NUCLEAR GENERATING STATION SITE SPECIFIC RESPONSE SPECTRA 1

O

1

) File:

OPU.T1 23-NRY-BO i

~

TROLE I NOST RPPROPRIRTE RECORDS FOR OCNOS SS'1S I.O.

Eorthquake Oote Acceierograph Site Magnitude Oistonce Site Intensity ML KM MM l

.j ROlO Son Jose 04-SEP-55 Son Jose, Bonk of Rmerica 5.5 9.8 UII ROl3 Son Francisco 22-NRR-57 Southern Pacific BuiIding 5.3 16.8 Uli ROI6 Son Francisco 22-MAR-57 Son Francisco Stote Bldg.

5.3 14.6 UII 4

il ROl? Son Francisco 22-MRR-57 OokIond City HolI 5.3 24.3 UI

! T287 EI Contro 23-JRN-5I Imperioi Uai1ey l

Irrigation District 5.6 27.5 UI T2OO EI Contro 13-JUN-53 1mperioi UaIIey

)

irrigction District 5.5 23.6 U

T292 EI Contro 16-DEC-55 ImperioI Vo1Iey i

irrigation District 5.4 23.5 UI U299 Santo Borboro 30-JUN-41 Sonto Borboro Courthouse 5.9 12.0 UIII Santo Borboro 13-RUO-78 Santo Borboro Courthouse 5.7 5.8 UII i

U301 Hotister 09-NRR-49 Public Librory 5.2 29.3 UII U307 Hotister 19-JRN-60 Public Library 5.0 8.5 UI Holister 28-NOV-74 Pubtic Library 5.2 10.0 j

4 i

1

FiIe:

OPU.T1 23-NRV-88 TROLE I (cont.)

NOST RPPROPRIRTE RECOROS FOR OCH3S SSRS l

I.O.

Earthquake Oote Recelerogroph Site Magnitude Distonce Site Intensity l

U312 Ferndale IO-DEC-67 City HolI 5.8 30.O VI Ferndote 07-JUN-75 City HolI 5.7 5.O VII V316 Long Beoch 14-NOV-4I PubIic UtiIities Buiiding 5.5 5.O VI U330 Eureko 04-SEP-62 FedoroI BuiIding 4.9 19.O Vi 1

i Oroviile 2

( of tershock )

08-RUO-75 Eort Brodbeck 4.9 10.0 Oroviile Rirport 4.9 10.4 cot 10-5 4.9 '

10.0 I

1 i

Son Juan Boutisto 28 Polk St.

5.2 6.6 Monoguo

{

( of tershock )

23-OEC-72 Esso Refinery 5.O II.O 5.3 14.9 tioon Va l ues i

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l l

i 1

l l

l j

i

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^'

O 1

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i I

l l

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+

l o.

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l C

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l

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1

(

i l

l

?

1

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i 500 1000 1500 2000 2500 3000 s

l l

Shear Wave Velocity (feet /second)

SJSO SIf CPU.Sif l

5 NOV 1955 5.5ML SAN JOSE BANK OF AMERICA 6= 9.8 km A010 2

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v b

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n

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+

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-300_

-400 0

500 1000 1500 2000 2500 3000 Shear Wave Velocity (re e t /s e c o n d) wa. sir CPU.sli

%p 22 MAR 1957 5.3 M L SOUTHERN PACIFIC BUILDING SAN FRANCISCO A=16.8km A013 s'

x-s 2

i i

i ii ei i

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i o

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{

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i

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0 500 1000 1500 2000 2500 3000 l

Sheer Wave Velocity (feet /second) l eso.u r CPU.51f l

l i

l

1 22 MAR 1957 5.3 ML OAKLAND CITY HALL A= 24.3 k m A017 2

O 10 e

i i e i is i

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UM:"050A 40iFn2 l

l l

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T287,T288,T292 0

i i

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VALLEY j

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b

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+

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i 6..,

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1

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i o

500 1000 1500 2000 2500 3000 Shear Wave Velocity (reet/second) ret.st' CPU.S1f

17 DEC.1955 5.4 ML IMPEnlAL VALLEY IRRAGATION DISTRICT A = 23.5 k m T292 g

/

O

$0 i

i e i i i

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W 4

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l OYSTER I! SANTA BARBARA CREEK

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l l

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-400 i

i i

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0 500 i f,00 1500 2000 2500 3000 Shear Wave Velocity (f e e t/s e c ond)

SBC.Slf CPU.S1f

f.

s 1 JUL 1941 5.9ML SANTA BARDARA COURTHOUSE a=12km U299 2

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13. AUG.1978

5. 7 ML SANTA BARBARA COURTHOUSE a = 5.8 km 0

2 10 i

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c o

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10

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in 132'

~

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l l. -.

A 18,U301,U305,U307,U309,U313 O

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's PUBLIC OYSTER LIBRARY CREEK AND

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PLANT CITY HALL i

i m

1

+

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b

-200

(

\\

4

+

a I.

vo l

l l

-300 l

-400 i

i i

0 500 1000

1500, 2000 2500 3000 Sheer Wave Velocity (f e e t /s e c o n d)-

eH8, sit CPU.Slf

~, - - - - - - -. -

9 MAR 1949 5.2 Mt HOLLISTER PUBLIC LIBRARY 6 = 29,3 k m U301 2

0 10 i

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g'

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1 i

10 to 10 10 l

Perted (s e c o n d) l mne.oo!!

a!:;i:

l

20 JAN.1960 5.0ML HOLLISTER PUBLIC LIBRARY A = 8.5 k m U307 2

8' e'

s' 10 i

i i ii i

i ii

-m e.

OCP SEP y

1 m

s 10 u

e x

m

~

I

~

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J S01w 10

/

a i

j

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10 i

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1 i

10 to 10 10 l

l Period (s e c on d) i

!?!4**!s3 whm. so i

L

28 NOV 1974 5.2 ML HOLLISTER PUBLIC LIBRARY 6=10km

.s 2

e i

i i e i

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i e e s 10 Q

c OCP o

SEP 1

m N

10 o

e N89W C

w sn

~

S01W I

~

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o i

V N

'NN '

10 y

e a-

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1 10 10 10 10 Period (s e c o n d)

Wh*%

=>Mf4MJ.050 J

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i e

i

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4 4's

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1.

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-100 -

CITY HALL

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PLANT e'

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C U

D

-200

.c a.

Uc

-300

-400 i

0 500 1000 1500 2000 2500 3000 Sheer Wave velocity (f e e t/necend) r.s. sir CPH.sli

s 7.JUN 1975 5.7ML FEHNDALE CITY HALL 6=Skm 2

s.

10 i

i i ii i

i iii e

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N OCP a

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/

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0 1

10 10 10 10 Period (s e c o n d)

NI S 05:e

CGPSN2 050 l

1

va e O

i I

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-100 LONG BEACH PUBLIC UTILITIES,

OYSTER BUILDING l

CREEK PLANT m

W v

v 5

-200

.c l

l

+

o.

l c

O I

i i

1

-300 l

-400 i

i i

o 500 1000 1500 2000 2500 3000 l

Shear Wave Velocity (feet /secondr Leeu.sif l

CPU.Slf l

l l

14 NOV 1941 5.5ML LONG DEACH PUBLIC UTILITIES BUILDING A=5km V316 2

8' s'

10 i

l

.o 0

10 i

V N/

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3

/

m

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+

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b

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)
4 SEP 1962 4.9ML EUREKA FEDERAL BtJiLDING o=19km V330 2
8' s*
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33 33 050
.c O
i i
i
i i
't_
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EARL OYSTER BROADBECK CREEK ST.
PLANT m
i
+
6......................,
c c
b
-200 c
+
o.
ec -300
-400 i
i i
i i
o 500 1000 1500 2000 2500 3000 Shear Wave Velocity (reet/second)
CDtF.Slf CPU.Slf
8. AUG.197 5 4.9ML EARL BROADBECK ST.
A= 10.0 Km 2
8' s*'
s*
10
/
/
i c
OCP SEP 1
ws 10
~
3 V
N/
N
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i
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M",:'*!.
um.on 1
1 I
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I i
i L
I!
l l
l'
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OROVILLE
)
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i n
l
+
l 8
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b
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o O
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f i
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l.
I
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i i
i '
i 0
500 1000 1500 2000 2500 3000 Shese Wave Velecity (reet/second) 00900.Sif CPU.Sli e
-s-s-----e-
9 8 AUG 1975 4.9 M L, OROVid5 AIRPORT A= 10.4 k m 2
8' s*
s' 10 e
i e i i i
e i e i e
i i < i C
OCP SEP I
m s
10 U
C m
N W
h em U
0 o
10 7
N90W
~
SODE A
-1
)Q I
t I t I 11 I
I t I t tI I
I 1
l 1I f
-2
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1 10 10 10 10 Period (s e c o n d) l "J!b'%
UCF00M2.050
(
l l
0 i:
i i
i i
11 i
-100 couc
-i OYSTER CREEK
~
STATION 5 PLANT l
l I
m c
e b
-200
.c w
ct a
C
-300 i
i
-400 i
i i
i i
0 500 1000 1500 2000 2500 3000 l
l Shear Wave Velocity (feet /second) comes. sit CPU.51i
I a
8. AUG.197 5 4.9 ML COMG STATON 5 A= 10. 0 Km 2
8' s#
s' 10 ii i
i
. ii i.
i i i g.
.c e,
c OCP SEP 1
v>
~ '
s 10
,0 s-o e
x v>
x N90E
[
u
\\
O
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10 SooE e
o.
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SC"..! >
o,-
n 4
.---.,-..-----c w_,, -,,,, - -,. -, - - -,
7
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. _ _ _ _ _ _.. _ _ _ _ _. _ _,. ~ _ _ _ _ _ -
. _. _ _ _ _ _. _ _ _ _ _ _ _ _ _ _.. - _ _... _. _,. -. _ _.. _ _ _ _. - _ _ _ _ _. ~ _ _ _... _, -
/
28 NOV-1974 5.2,l At SAN JUAN BAUTISTI a= 6.6 km 2
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REFINERY PLANT
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6.
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23 DEC 1972 S.0ML ESSO REFINERY MANAGUA. NICARAGUA a=11km 2
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E!$!!!!
MOST APPROPRIATE RECORDS FOR THE OCNGS SSRS e
s 10 i
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OPU.T2 23-NRV-OO TROLE 2 HRROINALLY RPPROPRIRTE RECORDS FOR THE OCNOS SSRS I.O.
Earthquake Oote Receler g W. Sito Magnitude Distance Sito Intensitg ML KM Mr1 9023 Southern Col.
02-OCT-33 HolIgeood Sioroge BIdg.
Bosement 5.4 38.2 U
1 B03I SJhee I er Ridge I2.JRM-54 Toft LincoIn SchooI 5.9 43.O UII Tunnei ROlO Hotister DO-RPR-61 Hotister Citg HolI 5.7 40.0 UII U309 Holister 00-RPR-6i Putal ic Lilacorg 5.7 40.O UII U317 Southorn CoI.
I4-NOU-41 LA Chomber of Commerca 5.4 20.5 Ui 84339 LytIe Creek 12-SEP-70 Soutbeen CoI. Edison 5.4 31.5 UI Cotton 54330 LytIe Creek 12-SEP-70 Son Bernordino Ho!I of Records 5.4 31.5 UI V329 Port Hueneme 18-NRR-57 Reseorch Lob 4.7 5.4 UI FerndoIe 07.JUN-75 PetroIio GeneroI Stora 5.7 30.O 5.6 32.O 7"+- y, Nic.
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l i
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i TAFT
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, uncotn OYSTER SCHOOL CREEK PLANT m
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l-9 APR 1961 U309 HOL. LISTER PUBLIC LIBRARY 6=40km 8'
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F 14 NOV 1941 5,SML LA CHAMBER OF COT.it.iERCE a=27km V317 2
8' O'
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e.
12.SEP 1970 5,4 M L SOUTHERN CALIFORNIA EDISON, COLTON A=31.5km W339 2
s+'
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SBHR.Slf
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12 SEP 1970 5.4 ML SAN DERN ADINO HALL OF RECORDS 3.= 2 2.9 k m Waas O
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l l
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18 MAR 1957 4.7 ML V329 PT. HUENEME RESEARCH LAB A=4km s*
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500 1000 1500 2000 2500 3000 Sheer Wave Velocity (re e t/s ec ond) l PCS.Slf CPU.Slf l
7 JUN 1975 S.7 ML PETOLIA GENERAL STORE A=30km 2
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23 DEC 1972 S.6ML ESSO REFINERY MANAGUA, NICARAGUA A=32km 2
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.c
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o 500 1000 1500 2000 2500 3000 Sheer Wave Velocity (reet/second) 901A.91T CPU.S1f
m 0-15 SEP 1976 6,0 ML BUl A, ITALY 6=19km 1177 2
s**'
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10 i
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/.
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11 SEP 1976 S.9ML BUI A, ITALY 6=14km 1143 2
s*
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',g L
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10 E
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1
-1 10 i
i
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l.
4 MARGINALLY APPROPRIATE RECORDS FOR THE OCl4GS SSRS 2
s
s*
s' 10 i
i i i i si i
i i ii ii i
e i i t
/
-m c
O u
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m
~
en s
to
.1 4
If.
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5 h
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0 t /
S 2
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i '
l
-2
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1 10 10 10 10 Period (s e e e n d) n!!!:i:!!
Ei!;i:::
O!!!:i:!!
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ua,
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COMPARISON WITH RECENT STRONG MOTION DATA l
l l
l l
[
t l
l l
l r
l l
t l
i
TABLE 3
_ MORE RECENT STRONG MOTION DATA - ALLUVIUM SITES Wo Available Shear Wave Profiles)
~
Site I.O.
Earthquake Date Accelerograph Site Magnitude Distance' Intensity.
ML KM MM Mammoth Lakes (af tershocks) 06-JAN-83 Convict Creek 5.2 8.9 17:38 06-JAN-83 Convict Creek 5.4 9.8 19:24 Coalinga 6
(af tershocks) 08-MAY-83 CHP 5.1 9.6 10-JUN-83 5.1 13.5 09-JUL-83 5.3 9.1 21-JUL-83 5.0 9.3 09-SEP-83 5.3 3.5 Holister 26-JAN-86 Sago Tunnel Ground Surface 5.5 11.6 Palm Springs 08-JUL-86 Desert Hot Springs 5.6 -
10.0 Palm Springs Airport 21.0 San Jacinto Soboba 28.0
30'
/
U Contuo Cr e e k o
5 pogm S Pts O
g T
[_.C o n t u e.
h+*
uor,y
+
v**
++
+++
+++++
so,,i.
++++++
+
utsozoic
+
+
+
++++++
siuW
~
+F wurea
++
7
++
Poi.n o,
+++
5 csp 2.g. COALING A I
+++
4, _g 4 e,,p
+++
1
[
\\
/
%+
+++
+++++
l 9- + + +,+ + + +,
/
^"Uh 5 '
I s o' t o' 13 0' t o' Accelerograph stations, earthquake epicenters, and local geology in the vicinity of Coalinga. Temporary accelerograph stations (trit,ngles) were deplo ed to augment the two permanent stations (squares) at Cantua Creek l
The aftershock epicenters (pump station (USGS) which recorde(
(CDMG and Pleasant Valley i
circles) are numbered from 2 through 9, and are identified in Table 1; the mainshock is indicated by a solid circle.
i COALINGA AFTERSHOCKS 08-M AY 5.1 o=9.6km 1983 10 JUN,.
5.1 13.5 09 JUL 5.3 9.1 21 JUL 5.0 9.3 09-SEP 5.3 3.5 I I i i i l I
i i i I 1 Ii i
l i i iiii 2
10
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(./)
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i i i ii
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-1 0
1 10 10 10 Period (s e c on d) l
'w.,'
l CHPF2190.005 l
CHPr2100 005 CHPF2690 005 cHPr2600 005 cHPr2890 005 CHPF2800 005 cHPF3290.005 CHPFJ200.005 CHPr3490 005 CHPf3500 005 l
MAMMOTH L AKES CONVICT CREEK (aftershocks) 06-JUN 83 5.2ML A=8.9km 06 JUN 83 5.4 9.8 e iinsi i
e i itiii i
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2 10
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CPulV.005 CONFJ90 005 t
CONTJ00 005 CONF 690.005 CONF 600 005
26-J AN-86 HOLLISTER SAGO TUNNEL GROUND SURFACE A= 11.6km I i i lil I
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2' 10 u
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I 4
34.5 8
321 g
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is
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RivERSOE - K IT Plc, ENTER _
e '48 12 3,
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2 20 0
284 ignio jig gC26 2OO g 266 19 e, '
l99 g
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su rou -
33.5*
k RIVER $10E Co.
y SAN DIEGO CO.
\\
\\
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i oCE ANSIDE ESCONDIDo g
EXPLANATION o
+-
)+
cDMG-SMIP j
/
STRONG-MOTION STATIONS
. o, uo.
k
/
5 Structure o
o m
b 2
5AN DIEGo g
o spel g
ety!J'
ii - -
9..
I 32.5*
117. 0
116.0
Fig.1. Location of the epicenter and major faults in the vicinity of the 8 July 1986 earthquake near Palm Springs. Solid ciroles indicate the location of CSMIP ground-response stations for which digitized records are presented in this report. The stations are identified by 3-digit codes which are referenced to station names in Table 1A. The solid squares indicate the location of structural-response stations in the Part II report.
08-JUL-86 PAllil SPRINGS AIRPORT A=21km PALM SPRINGS 5.6ML SAN JACINTO SOBOBA A=28km 4 l 4l ti i
i I i I 4 Ii i
i i iiieI i
2 10 m
o c
o e
M g
e e
.c 1
_.M1 5
10 w
i N
N i
sn
+
u i
l o
0 J
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10
/
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=
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-1 10 i ' '
-1 0
1 10 10 10 Period (s e c o n d) erviv.o0s
Ltf20ff.005 PLtf20Cs 005
an*atoe.::'
8.*1 aehha b n
1-4 08 JUL-86 PALM SPRINGS 5.6ML DESERT HOT SPRINGS A= 10km I iilii iiiiiiii i
i i i i i ii i
2 10 o
c O
u o
M g
o
, /........,' o = 10 k m o
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Ln 2200.005 r
Ltfn990 005 PLtfit00 005
SUMMARY
AND CONCLUSIONS
/
I ',
SSRS WILL BE COMPUTED AS 84TH PERCENTILE CF MOST APPROPRIATE RECORDS (TABLE 1).
2.
INCORPORATION OF MARGINAL DATA (TABLE 2) AND RECENT DATA (TABLE 3) WOULD'NOT SIGNIFICANTLY IMPACT THE 84TH PERCENTILE DETERMINED FROM MOST APPROPRIATE REC ORDS.
3.
STRWG MOTION DATA MATCHING THE SSRS CRITERIA FOR THE OCNGS ILLUSTRATE THAT THE OYSTER CREEK SEP SPECTRUM IS A CONSERVATIVE REPRESENTATION OF THE GROUND MOTId ASSOCIATED WITH A LOCALLY OCCURRING t%GNITUDE 5.3 EARTHOUAKE.
ATTACHMENT 3 RAI ON THE SUBMITTALS BY GPUN FOR OYSTER CREEK SEISMIC EVALVATION ENCLOSURE 1; "VARIATION IN SOIL PROPERTIES" a.
It is not clear from the submittal whether or not the approach used to establish variability in soil properties associated with layer 3 was also employed for the rest of the layers in the soil profile.
b.
Provide a detailed description of P and S-wave velocity measurements con-ducted for the Oyster Creek site.
N c.
How the soil damping was considered correspondin0 and +25% and -33%
variation in shear modulus, d.
Provide information as to how the potential growth of excess pore pressures during the seismic event would modify the lower bound estimates of moduli and damping values.
e.
Provide information on the actual strains computed in the Oyster Creek SSI analysis.
ENCLOSURE 2; "MODELLING UNCERTAINTIES" The response provided in the submittal consists of six papers without any comments or analysis with respect to the applicability of the results to the Oyster Creek site.
Some of the comparisons with test data do not appear to be conclusive with respect to the accuracy or conservatism of the code.
Provide information on relevancy to the Oyster Creek SSI analysis and the improvements (if any) in the code since the papers were published.
ENCLOSURE 3;"COMPUTAT!0NAL PARAMETERS AND THEIR LIMITATIONS" Information provided is adequate.
ENCLOSURE 4; "SUPERFLUSH VERIFICATION DOCUMENTS" iade a.
. Provide the following information when complehrt base option is used in SUPERFLUSH:
A 1.
For horizontal and vertical input motion, are the corresponding com-pliance terms added to main diagonal terms for bottom nodes only?
2.
For bottom transmitting boundaries, were the compliance terms used for dampers only, or both, spring and dashpot terms were included in the formulation?
l
(
~
2 ENCLOSURE 4; "SUPERFLUSH VERIFICATION DOCUMENTS"(CGNTINUEd) b.
Page 1.3 of the SUPERFLUSH Manual indicates that the program can perform simultaneous computations of vertically propagated S and P wave analyses.
This implies that computation of effective shear strain in a given finite element will be computed from both the horizontal motion input (S waye) and vertical motion input (P wave) at each frequency. A single value of peak shear strain for the element is then determined from which reduced modules and damping data can be determined. These iterative solutions can be performed for both the horizontal and vertical problems. Was a combined horizontal / vertical. analysis performed at Oyster Creek or were two separate analyses performed as with standard FLUSH (
ENCLOSURE 5;*EFFECT OF SATURATED 30ll" Same comment as in comment
'd,' enclosure 1.
ENCLOSURE 6; "TORSIONAL EFFECTS ON STRUCTURES Information provided is adequate.
ENCLOSURE 7; "PSD FOR TIME-HISTORY USED"
~
This later submittal is undergoing reviews.
l
6
.

ML20150C010

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