ML17194A662
| ML17194A662 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 04/23/1982 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | Delgeorge L COMMONWEALTH EDISON CO. |
| References | |
| TASK-06-07.A4, TASK-6-7.A4, TASK-RR LSO5-82-04-067, LSO5-82-4-67, NUDOCS 8205120288 | |
| Download: ML17194A662 (3) | |
Text
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April 23, 1982
,.. /I DISTRIBUTION Docket NRC PDR Loe al PDR Docket No. 50-237*
LS05-82-04:..05:z ORB Reading NSIC DCrutchfield HSmith PO'Connor OELD Mr. L. DelGeorge.
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Director of Nuclear Licensing ACRS Commonwealth Edison Company SEPB RECEtv~o Post Office Box 767
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MJlY,
Chicago, Illinois 60690 us6!!tuH l 11992
Dear Mr. Del George:
Docii.riiar~ce1111S110J TJoc
'ENT BR
SUBJECT:
SEP TOPIC v*I-7Co':A.4 - CORE SPRAY NOZZLE EFFECTIVENESS -..,....... '"............ 2
~
By letter dated February 22, 1982 we provided our evaluation of SEP Topi<:*
VI-7.A.4. for the Dresden 2 facility. Our evaluation stated that we ha~
relied upon a *General Electric Company analysis that had not been submitted for our review.
The analysis still has not been provided for our use.
Please provide the information requested in Enclosure.1 within 45 days-of your receipt of this letter so that we can confirm our earlier position that core spray ~istributfon fs Rot a* safety concern at Dresden 2 *
. This request involves* fewer than ten respondents. Therefore, OMB clearance 1s not required under*P.L.96-511.
Enclosure:
Informatfon request cc w/enclosure:
See next page "l
5
~fncerely, Original signed by
.Dennis M. Crutchfield, Chief Operating Reactors Branch #5 Division of Lf ce~sf ng s~ol OS "' t...& 6' (rt)
.J.~J.9........................
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,_*y NRC FORM 318 (10-80) NRCM 0240 USGPO: 1981-335-960
Mr. cc Isham, Lincoln & Beale Counselors at Law
- one First National Plaza, 42nd Floor Chicago, Illinois. 60603 Mr.
~*> B *
- Stephenson<- --- :: ~ -*..:
~ :
Plant:superintendent-_:*:.. :. -->.,..
Dresden: Nu cl e-ar Power Station Rural Route #1 _
Morris~ I 11 i noi s 60450 The Honorable Tom Corcoran.
United States House or R~~tes~nt~tivei Washington, D. c:
20515 u.. S. Nuclear Regulatory Commission Resident Inspectors Office Dresden Station.
RR #1.
Morris, Illinois - 60450 Mary Jo Murray Assistant Attorney General
- Environmental Control Division
_ 188 W. Randolph Street Suite 2315 Chicago, Illinois 60601 Chairman Board of Supervisors of
.:.Grundy County Grundy-County Courthouse
- Morris, Illinois 60450
- John F. Wolf, Esquire
- 3409 Shepherd Stre~t - -
Chevy Chase,.,Maryl and 20015 Dr. Linda W. Little 500 Hennitage Drive Raleigh, North Carolina 27612 Judge Forrest J. Remick The Carriage House - Apartment 205 2201 L Street, N. W.
Washington, D.* C.
20037 9*
Apri 1 23,- 1982 Illinois Department of Nuclear Safety 1035 Outer Park Drive, 5th Floor Springfield, ~llinois 62704 U. S. Environmental Protection Agency Federal Activities Branch.
Region V Office ATTN:
Regional Radiation Representative 230 South Dearborn Street Chicago, Illinois 60604 James G. Keppler, Regional.Administrator Nuclear* Regulatory Cammi ssfon, Region I II
- 799 Roosevelt Street Glen Ellyn, Illinois 60137 *
.)--.
,)-.
- DRESDEN 2 INFORMATION REQUEST FOR CORE SPRAY DiSTRIBCTION Informatioh derived.from the Japanese core spray tests sugg~sted that*
the central fuel.bundles of a BWR/3.. core may rec.eivE:* ic.w-core spray flow~
~- ~:D.resd~n-2 an~ Millstone-1 are two. BWR/3 plaiiis which-ar~ *bei-~g re:viewed
¥ as part of the systematic Evaluation F*rogram (SEP1. *To respond to the concerns of SEP generic issue A~1E, steam effect on E~R core spray d.ist~ibution,the implication cf the*core spray te5>Linformation from Japan on.the ~~re spray distribution adequ~cy for Dresden-2 and* Mjll-stone-1 should be addressed.
In a telephone conference with GE, the staff was.told U1at the analyse~
.car. be done to demonstrate that fo.r a limiting BWR/3 cas.e (Dresden*-*2.
c.nd Millst.one-*1 are both BWR/3 cores}, the* cc.lculated peak claocl*ing t~mperature will not exceed the 1 o CFR so.46 i imit of 2200°F tiven when*
.. no credi*t* is taken in the analyses for core spray cool~r;y.
- The applicants arE: requested to provide the results of tfie anall*ses includi'ng a descr.ipti*on of t~e as~umptions,used ln tfie *an 1c'.1y_ses_.
These
- I sh~uld ~e.~o~warded to.NRC within 4~ days_ after receipt of this request.*
If the staff'-s evaluation of the appHcants' analyses reveals results which confirm the staff~s understanding gained in the telephone con-ference, we wfll be able to conc~ude that the staff'~-~oncern regarding
. generic i*ssue A-16 for Dresden-2 and Millstone-1 has been satisfactorily
. answered.
I'.