ML17192A928
| ML17192A928 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities  |
| Issue date: | 08/22/1980 |
| From: | Janecek R COMMONWEALTH EDISON CO. |
| To: | Eisenhut D Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML17192A929 | List: |
| References | |
| TASK-06-04, TASK-6-4, TASK-RR NUDOCS 8009020105 | |
| Download: ML17192A928 (1) | |
Text
i e
Commonwe. ~di~on One First National Plaza, Chicago, Illinois Address Reply to: Post Office Box*767 Chicago, Illinois 60690
,1
- August 22,. 1980*
- Mr. Darrell G.
~isenh8t, Dir~ctdr Division of Licensing
~.S. Nuclear Re~ulatory Commission Washington, DC 20555
Subject:
References (a):
( b) :
Dear Mr. Eisenhut:
Dresden Station Units 2 and ~
Q~ad Cities 5taticin Unit~ l and.2 Additio~al Respdn~~ concetning Containment Vent and Purge V~lv~s*
NRC. Dqcket Nos. 50-237/249 and:
50"'-254/265..
Q..
L~ Ziem~nn *letter to D~ L. Peoples dated October 23,-.1979 T
- A. I pp o l i t o le t t e r t o D.
- L.. Pe d'p le s daied Octobe~-22, 1979 Enclosed for your us~ ~ie.five (5) cop~es-of NUTECH Re~?rt No. COM-0708-03, Rev.. O, "Evaluati'on of 18-lncf1 Containment Isolation Valves for Dresden Station~ Units 2&3,_ ~nd Quad Cities St at ion, Units l & 2".
- This report was p_ rep are d. 'in response to Item 2. a of the I n t er i m Posit ion t *rans mitt e d by Re fer enc es. '( a ) and ( b ).
A s i n d*i c at e q i n. t he re.po rt, -* the l_~ ad*~. a ri'i;j s t re s s e s o n t he valve components are ~ithin acceptabl~.limits,_ ahd *~tress margins are sufficient to ensure no deformation of activ~ valve parts.
Based on the results of this report, the valve tr13vel restrictions.
which were imposed in the interim position_~te ~o loAger required:**
The test data are. currently being used. ta* qualify the s.ix-inch butterfly valves at Dresden 2/3 and Quad Cities 1/2, a.nd the result of this evaluation will be forward~d to you in the near future.
office.
Please addr~ss any qu~stions ccincerning this matter to this One (1) _signed original and fifity-nine (5~} copiBs.of this tr~rismittal _letter are provided for y6ur use~
to
, day i"='9--'~
~~~~';fl4,~_,...,.--' 1980 47~.
Yours _very* truly
- . ~
$1 f
~b~...
(l.t-J.
Robert Ff ~~-n~c~;
.* ~
"J Nuclear Licensing Administrator *~.AJ'J> v \\
- Boiling Water* Reactors
...,~~~
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