ML20037B645
| ML20037B645 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 01/18/1968 |
| From: | Julie Hughes COMMONWEALTH EDISON CO. |
| To: | Morris P US ATOMIC ENERGY COMMISSION (AEC) |
| References | |
| NUDOCS 8010270589 | |
| Download: ML20037B645 (2) | |
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.s o s e Ol 72 WEST ADAMS S T pt E C T
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January 18, 1968
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Dr. Peter.\\. !brris, D.irecter
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20En 5 Installation of Control Eod ; rive Tnirble Supports - Dn2sden I,
SUBJECT:
D:x:ker No. 50-10
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Mar Dr. Ibrris:
Co a.o.waalth Edison Cc.::: piny,. on its e,n ration, plans to install con-trol rod drive ti. tic sup;x.rt devices on Ur.it I of its Dresden ';uclear Pa,+er Station. 'Inc purpoc2 of such devices is to pr2v:nt the ejection of a control rod a.d cormaquant dr.a c to the reacter's fuel in tne unlikely event of a postulated failure of a centrol ro1 drive tairtle.
1968 durir.g a Co :wmalta plans to iratall suc'1 cavicca in feoru:rf plannad outa a of Dresdan Unit i for refuelin. and Saintcnance.
Attached hereto is a descripticn cf the thimble support devices in-Tnis was discussed cluding details of design and a safety analysis.
17, 1968.
It is our conclusion that these with your staff on Jcnuarj devices can be installed and cperated without undue risk to the health and safety cf the public.
Very truly yours, f.
Sy % $H. Hu[nes Y/)<
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' uclear Licensin;; t.(
nistrator A'
Subscribed and sworn before re this 18th day of January
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1968
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DATE Of DOCustNTs Daft ifCtivfD NOApq Ccattawealth Mison Co.
1-15-68 1-18-6S hm thic yo, Ill.
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REFER 11.D TO Daft RfCIIVID SY DAff Ltr advising of the Installation Fleury 1-19*A of contr.1 Rod Drive '1himble v/n s,,en en, s e n ni, Tupporte for Dresden I (22 cys)
ENCLO5ukLk 120 CYS 'los Descript!on & Fafety Analysir
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Evaluation P.cport Control P.od Drive
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"himble Support for Drceden I, Encl.
MW_-frg Figures 1 thru k & Table's 1 & 2 Skovholt
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