ML20030D740

Forwards Hydrologic & Geotechnical Engineering Branch Request for Addl Info as Result of Review of Application for Ol.Responses Requested by 810907

ML20030D740
Person / Time
Site:	Callaway
Issue date:	09/01/1981
From:	Youngblood B Office of Nuclear Reactor Regulation
To:	Bryan J UNION ELECTRIC CO.
References
NUDOCS 8109160029
Download: ML20030D740 (4)

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LB#1 Rdg TERA SEP 1gggg BJYoungblood PDR GEdison LPDR MRushbrook NSIC Docket No.: STH;50-4831 RVollmer TIC TMurley ACRS (16)

RMattson Mr. John K. Bryan R

tfield, MPA Vice President

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O Union Electric Company

'~- OIE (3) 1901 Gratiot Street SHanauer

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Subject:

Callaway FSAR Site Addendum. - R.eques.t, fon Additional, Information -

Geotechnical Engineering.

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, As a result of our review of your. application.for an operating licens.e we find that we need additional information regarding the Callaway FSAR site addendum.

The specific informatien required is as a resul_t of our review by. the Geotechnical Engineering Branch,and is listed in_the.. Enclosure To maintain our licensing rev'iew schedule for.. the SNUPPS FSAR, we will, need responses to the enclosed reques.t by, September.7,1981.. If you cannot meet this date, please infonn us within seven days.after. receipt of_ this,let.ter of the date you plan to submit. your response, so, that we may review our...

schedule for any necessary changes., Pleape,,ngte that. a draft copy, of this.

question was provided to the SNVPPS sta,ff,op,,Auggs,t 3rd and discussed several...

times since with Union Electri'c'.l staff.,

Please contact Dr. G. E. Edis'on,,Callayay, Licensing Project. Manager, if you j

desire any discussion or clarification of,,the enclosed rec;uest.

Sincerely, tpfigliie1 si~ned DFs'

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B. J. Youngblood 5

B. J. Youngblood, Chief Licensing Branch No. 1 Division of Licensin q \\ \\ t %,

Enclosure:

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OFFICIAL RECORD CO PY NRC FCRM 3f a tN,803 NRCM O240

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Mr. J. K.-: Bryan Vice ' President - Nuclear Union Electric. Company..__

P. O. Box 149 St.' Louis, Missouri 63166 cc: Mr. Nicholas A. -Petrick Mr. William Hansen Executive Director - SNtJPPS Resident Insoector/Callaway llPS 5 Choke Cherry Road c/o USf'RC -

Rockville, Maryland 20850 Steednan, Missouri 55077 Gerald Charnoff, Esq.

Shaw, Pittman. Potts &

Trowbridge 1800 M Street, N. W.

Washington, D. C.

2p036 Mr. J. E. Birk Assistant to the G3neral Counsel Union Electric Company P. O. Box 149 St. Louis, Missouri 63166 Dr. Vern _Starks Route 1, Box 863 Ketchikan, Alaska-99901 Ms. TrevaHearn, Assistant General Counsel Missouri Public Service Co:aission P. O. Box 360 Jefferson City, Missouri 65102 Mr. D. F. Schnell 11anager-fluclear Engineering Union Electric Ccmpany P. O. Box 149 St. Louis, Missouri 63166 s

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.aL ENCLOSURE Request for Additional Information, Callaway.

241.0 Hydrologic a.J Geotechnical Engineering Branch

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241.7C In the FSAR you have not provided sufficient information to define the g

.(2.5.4) soil conditions beneath the foundations of the Class IE electrical duct

.1 banks and the Category I cssential service water system (EShS) pipelines.

We request that you provide the following information in sufficient 1

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detail for an independent Staff review of the adequzcy of these matericls.

(a) Provide plot (s) drawn to scale showing the following information.

y (1) location and routing from one end of the ESWS pipelines 3

4 and electrical duct banks to the other, clearly identifying

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t the lines, 4

(ii) locations and identification of the borings along-the route of the pipelines and duct banks.

Indicate the spacing between

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the borings.

(b) Provide plot (s) drawn to scale showing the following information.

(i) the pertinent boring logs needed to prepare soil profiles along the routes of the duct banks and pipelines.

Indicate the he'ight of fill above the ESWS pipelines and electrical duct banks and draw the original and finished grade urfaces.

Provide the soil classification and SPT blow count informstion on the logs.

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• (ii) Soil stratification, design water table and tor.;f Graydon chert conglomerate on the profila(s).

(iii) draw the invert and top of ESWS pipelines and electrical J

l duct banks on the profile (s).

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(c) Indicate the static soil parameters used in designing the ESWS I

pipelines and duct banks. Describe how these parameters were obtained and provide the values of these parameters.

(d) In Section 2.5.4.7 of the FSAR, you mention that the dynamic analysis

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1 of buried pipelines and duct banks is described in Section 6.0 of 1

BC-TOP-4A. Tabulate the dynamic soil parameters that were used in i

A the analyses and then describe the method used for obtaining the 1

z soil data.

Provide the values of these soil parameters and indicate

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how the variability of the soil parameters was accounted for in your analyses.

In section 2.5.4.7 of the FSAR you indicate that FSAR figurc-2.5-451 through 2.5-460 were used in the design of buried pipelines and duct banks.

Describe how the data given in these figures were utilized.

(e) In the Callaway FSAR site addendum ycu have not provided Section l

3.7.3.12, " Buried Seismic Category I Piping Sys'tems and Tunnels."

Provide the necessary -information in this ::ection of the FSAR.

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In-lude the site specific. soils related infonnation for this section as outlined in' Regulatory Guide 1. h.

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