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=Text=
=Text=
{{#Wiki_filter:.-    -      -
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6 e
6 October 21, 1998 e
October 21, 1998 Mr. Steve A.Toelle
Mr. Steve A.Toelle Nuclear Regulatory Assurance
. Nuclear Regulatory Assurance
'and Policy Manager U.S. Enrichment Corporation 6903 Rockledge Drive Bethesda, MD 20817-1818
        'and Policy Manager U.S. Enrichment Corporation 6903 Rockledge Drive Bethesda, MD 20817-1818


==SUBJECT:==
==SUBJECT:==
Line 28: Line 27:


==Dear Mr. Toehe:==
==Dear Mr. Toehe:==
This refers to your submittal dated March 6,1998, which transmitted the Paducah Gaseous Diffusion Plant Seismic Hazard Analysis for staff review.
This refers to your submittal dated March 6,1998, which transmitted the Paducah Gaseous Diffusion Plant Seismic Hazard Analysis for staff review.
Our review of your submittal has identified additional information that is needed for the staff to complete its review. The additional information, specified in the enclosure, should be provided within 21 days of this letter. Please reference the above TAC No. in future correspondence related to this review.
Our review of your submittal has identified additional information that is needed for the staff to complete its review. The additional information, specified in the enclosure, should be provided within 21 days of this letter. Please reference the above TAC No. in future correspondence related to this review.
If you have any questions conceming this request, please contact me or Andrew Persinko, of my staff, at (301) 415-6522.
If you have any questions conceming this request, please contact me or Andrew Persinko, of my staff, at (301) 415-6522.
Sincerely,       ,
Sincerely, gmal Signeo e'/
gmal Signeo e'/
Robert C. Pierson, Chief Special Projects Branch Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards
Robert C. Pierson, Chief Special Projects Branch Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards


==Enclosure:==
==Enclosure:==
As stated DISTRIBUTION: w/ encl. (Control No. 340S)
As stated DISTRIBUTION: w/ encl. (Control No. 340S)
Docket 70-7001           NRC File Center     PUBLIC         KO'Brien, Rlli PHiland, Rlli NMSS r/f           FCSS r/f     SPB r/f
Docket 70-7001 NRC File Center PUBLIC KO'Brien, Rlli PHiland, Rlli NMSS r/f FCSS r/f SPB r/f
      *See previous concurrence OFC           *SPB           SSPB           #
*See previous concurrence OFC
SPB               SPB     h       S,PS NAME         DPersinko:ij       MHom         DHoadley     My                 Rhrson I
*SPB SSPB SPB SPB h
DATE             10/6/98       /0 //f98       /d/998         [0/2098       \3 /3)/98 C = COVER               E = COVER & ENCLOSURE                 N = NO COPY gteirai.t01                           OFFICIAL RECORD COPY                                           [l ke 9810230078 981021 PDR       ADOCK 07007001 C                       PDR 1?      hf (;
S,PS NAME DPersinko:ij MHom DHoadley My Rhrson I
DATE 10/6/98
/0 //f98
/d/998
[0/2098
\\3 /3)/98
[l C = COVER E = COVER & ENCLOSURE N = NO COPY gteirai.t01 OFFICIAL RECORD COPY ke 9810230078 981021 PDR ADOCK 07007001 C
PDR hf (;
1?


          . ..              _ - - - -= -        -          .        _ _ - _ - - . _ _ _ _      _ - _ - . _ _    . _ - _ - _ - -
_ - - - -= -
a .
a E
E
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,                                          REQUEST FOR ADDITIONAL INFORMATION l                                           APPLICATION DATED DECEMBER 1,1997 UNITED STATES ENRICHMENT CORPORATION
REQUEST FOR ADDITIONAL INFORMATION l
,                                            PADUCAH GASEOUS DIFFUSION PLANT l                                                       DOCKET 70-7001 The staff performed a preliminary review of the Paducah Seismic Hazard Analysis, Revision 2, submitted September 18,1998, which included in Appendix D, answers to the staff's previous i             request for additional information (RAl). Based on this preliminary review, your answers to l             question 6 of NRC's earlier RAI are insufficient for NRC to complete its review. Consequently, the staff requests amplification of your previous answers to include the information below.
APPLICATION DATED DECEMBER 1,1997 UNITED STATES ENRICHMENT CORPORATION PADUCAH GASEOUS DIFFUSION PLANT l
: 1.     Provide documentation for the site response calculations performed by Pacific Engineering and Analysis, Inc., including assumptions, equations used, input parameters, and a discussion of computer programs used for such calculations and results,
DOCKET 70-7001 The staff performed a preliminary review of the Paducah Seismic Hazard Analysis, Revision 2, submitted September 18,1998, which included in Appendix D, answers to the staff's previous i
: 2.     Provide documentation for the calculation of V(soil)/H(rock) ratios. Provide a description of procedures (including equations, and a description of computer programs) used for calculating V(soil)/H(rock) ratios. Pacific Engineering and Analysis,Inc. documnntation for such calculations should be provided, if they performed the calculations.
request for additional information (RAl). Based on this preliminary review, your answers to l
: 3.     Were the ca!culations, results, computer programs, documentation, etc., used by Pacific Engineering and Analysis, Inc., reviewed by USEC quality assurance and engineering personnel as part of the quality assurance review performed by USEC following the l                     May 18-19,1998 meeting at REl's offices? Describe USEC's review of work performed l                     by Pacific Engineering and Analysis (and any other subcontractors used by REI).
question 6 of NRC's earlier RAI are insufficient for NRC to complete its review. Consequently, the staff requests amplification of your previous answers to include the information below.
1.
Provide documentation for the site response calculations performed by Pacific Engineering and Analysis, Inc., including assumptions, equations used, input parameters, and a discussion of computer programs used for such calculations and results, 2.
Provide documentation for the calculation of V(soil)/H(rock) ratios. Provide a description of procedures (including equations, and a description of computer programs) used for calculating V(soil)/H(rock) ratios. Pacific Engineering and Analysis,Inc. documnntation for such calculations should be provided, if they performed the calculations.
3.
Were the ca!culations, results, computer programs, documentation, etc., used by Pacific Engineering and Analysis, Inc., reviewed by USEC quality assurance and engineering personnel as part of the quality assurance review performed by USEC following the l
May 18-19,1998 meeting at REl's offices? Describe USEC's review of work performed l
by Pacific Engineering and Analysis (and any other subcontractors used by REI).
l l
l l
ENCLOSURE i
ENCLOSURE i
Line 58: Line 69:
S
S


1- ,
1-
l
\\ Mr. Steve A.Toelle l
        \ Mr. Steve A.Toelle
Nuclear Regulatory Assurance
  ,        Nuclear Regulatory Assurance
'and P6licy Manager U.
              'and P6licy Manager U. Enrichment Corporation 690     ockledge Drive Bethes       MD 20817-1818 l
Enrichment Corporation 690 ockledge Drive Bethes MD 20817-1818 l


==SUBJECT:==
==SUBJECT:==
ADUCAH GASEOUS DIFFUSION PLANT SEISMIC HAZARD ANALYSIS
ADUCAH GASEOUS DIFFUSION PLANT SEISMIC HAZARD ANALYSIS
('   NO. LSE054) l          
('
NO. LSE054) l


==Dear Mr. Toelle:==
==Dear Mr. Toelle:==
 
This refers to your submittal ted March 6,1998, which transmitted the Paducah Gaseous l
!            This refers to your submittal ted March 6,1998, which transmitted the Paducah Gaseous l           Diffusion Plant Seismic Hazard     alysis for staff review.
Diffusion Plant Seismic Hazard alysis for staff review.
1 Our review of your submittal has identiled additionalinformation that is needed for the staff to complete its review. The additionalinfo ation, specified in the enclosure, should be provided within 21 days of this letter. Please refere e the above TAC No. in future correspondence related to this review.
1 Our review of your submittal has identiled additionalinformation that is needed for the staff to complete its review. The additionalinfo ation, specified in the enclosure, should be provided within 21 days of this letter. Please refere e the above TAC No. in future correspondence related to this review.
If you have any questions conceming this request, ease contact me or Andrew Persinko, of my staff, at (301) 415-6522.
If you have any questions conceming this request, ease contact me or Andrew Persinko, of my staff, at (301) 415-6522.
Line 76: Line 88:


==Enclosure:==
==Enclosure:==
As stated DISTRIBUTION: w/enci. bMN               oMO                                                   pf Docket 70-7001         NRC File Center         PUBLIC         KO'Brien, R       PHiland, RW NMSS r/f         FCSS r/f       SPB r/f
As stated DISTRIBUTION: w/enci. bMN oMO pf Docket 70-7001 NRC File Center PUBLIC KO'Brien, R PHiland, RW NMSS r/f FCSS r/f SPB r/f
            *See previous concurrence OFC         *SPB             SPB       6     SPB       (   SPB                   SPB     s NAME       DPersinko:ij       boYn               oadley     MGalloway             RPierson DATE           10/6/98       /0/d98         l#/498               / /98               / /98 C = COVER             E = COVER & ENCLOSURE                   N = NO COPY g:\reirai.t01                       OFFICIAL RECORD COPY l
*See previous concurrence OFC
*SPB SPB 6
SPB
(
SPB SPB s
NAME DPersinko:ij boYn oadley MGalloway RPierson DATE 10/6/98
/0/d98 l#/498
/ /98
/ /98 C = COVER E = COVER & ENCLOSURE N = NO COPY g:\\reirai.t01 OFFICIAL RECORD COPY l
l l
l l
l l
l l
l l-
l l-


e Mr. Steve A. Toelle
e Mr. Steve A. Toelle Nuclear Regulatory Assurance
      ,-                  Nuclear Regulatory Assurance
*and P6l icy Manager i
                              *and P6l icy Manager                                                                                                                                             i s          U.S. Enrichment Corporation                                                                                                                                         l 6903 Rockledge Drive                                                                                                                                               '
U.S. Enrichment Corporation s
Bethesda, MD 20817-1818                                                                                                                                           l 4                                                                                                                                                                                             i
6903 Rockledge Drive Bethesda, MD 20817-1818 4
i


==SUBJECT:==
==SUBJECT:==
PADUCAH GASEOUS DIFFUSION PLANT SEISMIC HAZARD ANALYSIS                                                                                           ,
PADUCAH GASEOUS DIFFUSION PLANT SEISMIC HAZARD ANALYSIS (TAC NO. L32054)
(TAC NO. L32054)                                                                                                                                 )
)
Dear     . Toelle.
Dear
This refers to y     submittal dated March 6,1998, which transmitted the Paducah Gaseous                                                                           l Diffusion Plant Seis     Hazard Analysis for staff review.
. Toelle.
Our review of your submitta                 s identified additional information that is needed for the staff to complete its review. The additi                       i information, specified in the enclosure, should be provided within 21 days of this letter. Please                       rence the above TAC No. in future correspondence related to this review.
This refers to y submittal dated March 6,1998, which transmitted the Paducah Gaseous Diffusion Plant Seis Hazard Analysis for staff review.
1 If you have any questions concerning this reques , ease contact me or Andrew Persinko, of my 4                         staff, at (301) 415-6522.
Our review of your submitta s identified additional information that is needed for the staff to complete its review. The additi i information, specified in the enclosure, should be provided within 21 days of this letter. Please rence the above TAC No. in future correspondence related to this review.
l 1
1 If you have any questions concerning this reques, ease contact me or Andrew Persinko, of my 4
Sincerely, l                                                                                           Robert C. Pierson, Chief Special Projects Branch Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards
staff, at (301) 415-6522.
1 Sincerely, l
Robert C. Pierson, Chief Special Projects Branch Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards


==Enclosure:==
==Enclosure:==
As stated                                                                             ' "^ j'u DISTRIBUTION: -h*l                 ti l                   4 #6"*               ,
As stated
Docket 73-7001           NRC File Center                           PUBLIC                     NMSS r/f       FCSS r/f                 SPB r/f OFC         SPB     C               SPB                         SPB                         SPB           SPB NAME         Persinko:ij                 MHorn                   DHoadley                 MGalloway         RPierson DATE       lo b/98                           / /98                   / /98                   / /98           / /98 C = COVER                     E = COVER & ENCLOSURE                                         N = NO COPY g:\reirai.51                                         OFFICIAL RECORD COPY
' "^ j'u DISTRIBUTION: -h*l ti l 4 #6"*
                                                        - . - - . . - - . - _ _ - -                                    -,            -.-      . - . . _ . . . . -                    - - -}}
Docket 73-7001 NRC File Center PUBLIC NMSS r/f FCSS r/f SPB r/f OFC SPB C
SPB SPB SPB SPB NAME Persinko:ij MHorn DHoadley MGalloway RPierson DATE lo b/98
/ /98
/ /98
/ /98
/ /98 C = COVER E = COVER & ENCLOSURE N = NO COPY g:\\reirai.51 OFFICIAL RECORD COPY
- - -}}

Revision as of 23:32, 10 December 2024

Forwards RAI Re Usec 980306 Transmittal of Paducah Gaseous Diffusion Plant Seismic Hazard Analysis.Requested Addl Info Should Be Provided within 21 Days of Ltr
ML20154P788
Person / Time
Site: Paducah Gaseous Diffusion Plant
Issue date: 10/21/1998
From: Pierson R
NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To: Toelle S
UNITED STATES ENRICHMENT CORP. (USEC)
References
TAC-L32054, NUDOCS 9810230078
Download: ML20154P788 (4)
v • d • e


Text

.-

6 October 21, 1998 e

Mr. Steve A.Toelle Nuclear Regulatory Assurance

'and Policy Manager U.S. Enrichment Corporation 6903 Rockledge Drive Bethesda, MD 20817-1818

SUBJECT:

PADUCAH GASEOUS DIFFUSION PLANT SEISMIC HAZARD ANALYSIS (TAC NO. L32054)

Dear Mr. Toehe:

This refers to your submittal dated March 6,1998, which transmitted the Paducah Gaseous Diffusion Plant Seismic Hazard Analysis for staff review.

Our review of your submittal has identified additional information that is needed for the staff to complete its review. The additional information, specified in the enclosure, should be provided within 21 days of this letter. Please reference the above TAC No. in future correspondence related to this review.

If you have any questions conceming this request, please contact me or Andrew Persinko, of my staff, at (301) 415-6522.

Sincerely, gmal Signeo e'/

Robert C. Pierson, Chief Special Projects Branch Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards

Enclosure:

As stated DISTRIBUTION: w/ encl. (Control No. 340S)

Docket 70-7001 NRC File Center PUBLIC KO'Brien, Rlli PHiland, Rlli NMSS r/f FCSS r/f SPB r/f

  • See previous concurrence OFC
  • SPB SSPB SPB SPB h

S,PS NAME DPersinko:ij MHom DHoadley My Rhrson I

DATE 10/6/98

/0 //f98

/d/998

[0/2098

\\3 /3)/98

[l C = COVER E = COVER & ENCLOSURE N = NO COPY gteirai.t01 OFFICIAL RECORD COPY ke 9810230078 981021 PDR ADOCK 07007001 C

PDR hf (;

1?

_ - - - -= -

a E

?

REQUEST FOR ADDITIONAL INFORMATION l

APPLICATION DATED DECEMBER 1,1997 UNITED STATES ENRICHMENT CORPORATION PADUCAH GASEOUS DIFFUSION PLANT l

DOCKET 70-7001 The staff performed a preliminary review of the Paducah Seismic Hazard Analysis, Revision 2, submitted September 18,1998, which included in Appendix D, answers to the staff's previous i

request for additional information (RAl). Based on this preliminary review, your answers to l

question 6 of NRC's earlier RAI are insufficient for NRC to complete its review. Consequently, the staff requests amplification of your previous answers to include the information below.

1.

Provide documentation for the site response calculations performed by Pacific Engineering and Analysis, Inc., including assumptions, equations used, input parameters, and a discussion of computer programs used for such calculations and results, 2.

Provide documentation for the calculation of V(soil)/H(rock) ratios. Provide a description of procedures (including equations, and a description of computer programs) used for calculating V(soil)/H(rock) ratios. Pacific Engineering and Analysis,Inc. documnntation for such calculations should be provided, if they performed the calculations.

3.

Were the ca!culations, results, computer programs, documentation, etc., used by Pacific Engineering and Analysis, Inc., reviewed by USEC quality assurance and engineering personnel as part of the quality assurance review performed by USEC following the l

May 18-19,1998 meeting at REl's offices? Describe USEC's review of work performed l

by Pacific Engineering and Analysis (and any other subcontractors used by REI).

l l

ENCLOSURE i

e f

i j

S

1-

\\ Mr. Steve A.Toelle l

Nuclear Regulatory Assurance

'and P6licy Manager U.

Enrichment Corporation 690 ockledge Drive Bethes MD 20817-1818 l

SUBJECT:

ADUCAH GASEOUS DIFFUSION PLANT SEISMIC HAZARD ANALYSIS

('

NO. LSE054) l

Dear Mr. Toelle:

This refers to your submittal ted March 6,1998, which transmitted the Paducah Gaseous l

Diffusion Plant Seismic Hazard alysis for staff review.

1 Our review of your submittal has identiled additionalinformation that is needed for the staff to complete its review. The additionalinfo ation, specified in the enclosure, should be provided within 21 days of this letter. Please refere e the above TAC No. in future correspondence related to this review.

If you have any questions conceming this request, ease contact me or Andrew Persinko, of my staff, at (301) 415-6522.

Sincerely, Robert C. Pierson, Cnie Special Projects Branch Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards

Enclosure:

As stated DISTRIBUTION: w/enci. bMN oMO pf Docket 70-7001 NRC File Center PUBLIC KO'Brien, R PHiland, RW NMSS r/f FCSS r/f SPB r/f

  • See previous concurrence OFC
  • SPB SPB 6

SPB

(

SPB SPB s

NAME DPersinko:ij boYn oadley MGalloway RPierson DATE 10/6/98

/0/d98 l#/498

/ /98

/ /98 C = COVER E = COVER & ENCLOSURE N = NO COPY g:\\reirai.t01 OFFICIAL RECORD COPY l

l l

l l

l l-

e Mr. Steve A. Toelle Nuclear Regulatory Assurance

  • and P6l icy Manager i

U.S. Enrichment Corporation s

6903 Rockledge Drive Bethesda, MD 20817-1818 4

i

SUBJECT:

PADUCAH GASEOUS DIFFUSION PLANT SEISMIC HAZARD ANALYSIS (TAC NO. L32054)

)

Dear

. Toelle.

This refers to y submittal dated March 6,1998, which transmitted the Paducah Gaseous Diffusion Plant Seis Hazard Analysis for staff review.

Our review of your submitta s identified additional information that is needed for the staff to complete its review. The additi i information, specified in the enclosure, should be provided within 21 days of this letter. Please rence the above TAC No. in future correspondence related to this review.

1 If you have any questions concerning this reques, ease contact me or Andrew Persinko, of my 4

staff, at (301) 415-6522.

1 Sincerely, l

Robert C. Pierson, Chief Special Projects Branch Division of Fuel Cycle Safety and Safeguards Office of Nuclear Material Safety and Safeguards

Enclosure:

As stated

' "^ j'u DISTRIBUTION: -h*l ti l 4 #6"*

Docket 73-7001 NRC File Center PUBLIC NMSS r/f FCSS r/f SPB r/f OFC SPB C

SPB SPB SPB SPB NAME Persinko:ij MHorn DHoadley MGalloway RPierson DATE lo b/98

/ /98

/ /98

/ /98

/ /98 C = COVER E = COVER & ENCLOSURE N = NO COPY g:\\reirai.51 OFFICIAL RECORD COPY

- - -

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