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=Text=
=Text=
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17                                         NUCLEAR SYSTEMS SAFETY PROGRAM L- (
.. ),
i               EG-81-14                           March 26, 1981 i
- f f
Dr. Robert E. Jackson,ochief 4
: t. l... L 17 NUCLEAR SYSTEMS SAFETY PROGRAM L- (
Geosciences Branch Division of Engineering
i EG-81-14 March 26, 1981 i
  ;-            U. S. Nuclear. Regulatory Commission Washington, D. C. 20555
Dr. Robert E. Jackson,ochief Geosciences Branch 4
Division of Engineering U. S. Nuclear. Regulatory Commission Washington, D.
C.
20555


==Dear Dr. Jackson:==
==Dear Dr. Jackson:==
 
i The. purpose of this letter is to provide you with results of our limited analysis for the Seabrook site that you requested some time ago.
i               The. purpose of this letter is to provide you with results of our limited analysis for the Seabrook site that you requested some                                                     -
We developed the enclosed estimate of the seismic hazard for the'Scabrook site in the same manner that we developed the seismic hazard for the sites involved in the Systematic
time ago. We developed the enclosed estimate of the seismic                                                       .
hazard for the'Scabrook site in the same manner that we developed the seismic hazard for the sites involved in the Systematic
{
{
Evaluation Program (SEP). We have used the model recommen,ded by NRC and described in Jackson (1980) to specify the hazard for the sites-located in New England, t                     Figure 1 shows the results (synthesis) compared to R.G. 1.60
Evaluation Program (SEP).
}               scaled to 0.25g (245.4cm/S2) for 5% damping. The data used to construct this figure are given in Table 1.
We have used the model recommen,ded by NRC and described in Jackson (1980) to specify the hazard for the sites-located in New England, t
4                     I hope that this is sufficient information however, if not,                                                       3 feel free.to call me and I will be happy to supply you with any additional information you might need.
Figure 1 shows the results (synthesis) compared to R.G.
1.60
}
scaled to 0.25g (245.4cm/S2) for 5% damping.
The data used to construct this figure are given in Table 1.
3 4
I hope that this is sufficient information however, if not, feel free.to call me and I will be happy to supply you with any additional information you might need.
Sincerely,
Sincerely,
                                                      ./ '7n Don L. Bernreuter, Leader
'7n
[l W i
[l W
Engi neering Geosciences Group l
./
I'               DLB/sa Reference JACKSON, R. E. (1980), " Initial Review and Recommendations for Site Specific Spectra at SEP Sites," M2morandum to D.
Don L.
Bernreuter, Leader i
l Engi neering Geosciences Group I'
DLB/sa Reference
: JACKSON, R.
E. (1980), " Initial Review and Recommendations for Site Specific Spectra at SEP Sites," M2morandum to D.
Crutchfield, July 23, 1980, U.S. NRC.
Crutchfield, July 23, 1980, U.S. NRC.
                                                                                ~
~
b
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Table 1 SY!JTilESIS LOADI!1G VAI,UES AT TIIE SEABROOK SITE FOR 5% DAMPED PSEUDO RELATIVE VELOCITY SPECTRUM PERIOD               Sy SEC                 cm/s             .
Table 1 SY!JTilESIS LOADI!1G VAI,UES AT TIIE SEABROOK SITE FOR 5% DAMPED PSEUDO RELATIVE VELOCITY SPECTRUM PERIOD Sy SEC cm/s
                                  .04               1.82
.04 1.82
                                  .05               2.44
.05 2.44
                                  .08               4.71
.08 4.71
                                  .1                 6.68
.1 6.68
                                  .2               19.79
.2 19.79
                                  .3               29.01
.3 29.01
                                  .4               33.24 1.0                 38.78 2.0                 30.89 l
.4 33.24 1.0 38.78 2.0 30.89 l


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Latest revision as of 14:05, 23 December 2024

Discusses Results of Limited Analysis for Site.Encl Estimate of Seismic Hazard for Site Developed in Same Manner as Seismic Hazard for Sites Involved in SEP
ML20003D831
Person / Time
Site: Seabrook  NextEra Energy icon.png
Issue date: 03/26/1981
From: Bernreuter D
LAWRENCE LIVERMORE NATIONAL LABORATORY
To: Rolonda Jackson
Office of Nuclear Reactor Regulation
Shared Package
ML20003D828 List:
References
EG-81-14, NUDOCS 8104010082
Download: ML20003D831 (3)
v • d • e


Text

._._

~

l-.,,.....,

. i,t._,

(..

.. ),

- f f

t. l... L 17 NUCLEAR SYSTEMS SAFETY PROGRAM L- (

i EG-81-14 March 26, 1981 i

Dr. Robert E. Jackson,ochief Geosciences Branch 4

Division of Engineering U. S. Nuclear. Regulatory Commission Washington, D.

C.

20555

Dear Dr. Jackson:

i The. purpose of this letter is to provide you with results of our limited analysis for the Seabrook site that you requested some time ago.

We developed the enclosed estimate of the seismic hazard for the'Scabrook site in the same manner that we developed the seismic hazard for the sites involved in the Systematic

{

Evaluation Program (SEP).

We have used the model recommen,ded by NRC and described in Jackson (1980) to specify the hazard for the sites-located in New England, t

Figure 1 shows the results (synthesis) compared to R.G.

1.60

}

scaled to 0.25g (245.4cm/S2) for 5% damping.

The data used to construct this figure are given in Table 1.

3 4

I hope that this is sufficient information however, if not, feel free.to call me and I will be happy to supply you with any additional information you might need.

Sincerely,

'7n

[l W

./

Don L.

Bernreuter, Leader i

l Engi neering Geosciences Group I'

DLB/sa Reference

JACKSON, R.

E. (1980), " Initial Review and Recommendations for Site Specific Spectra at SEP Sites," M2morandum to D.

Crutchfield, July 23, 1980, U.S. NRC.

~

b m -

Table 1 SY!JTilESIS LOADI!1G VAI,UES AT TIIE SEABROOK SITE FOR 5% DAMPED PSEUDO RELATIVE VELOCITY SPECTRUM PERIOD Sy SEC cm/s

.04 1.82

.05 2.44

.08 4.71

.1 6.68

.2 19.79

.3 29.01

.4 33.24 1.0 38.78 2.0 30.89 l

~

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