ML20037B324
| ML20037B324 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 12/23/1959 |
| From: | Pittman F US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Luedocke A US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20037B323 | List: |
| References | |
| NUDOCS 8009150525 | |
| Download: ML20037B324 (1) | |
Text
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To (Tu';U) : A..T.u:::aro, A:: sis tant General II: nag: fcY 1
Mccccch cud indu:trici Davelopment.
,.7 rAcM Fr nk K. Pitt=n, Direct 0/ (drJfy, f,/
Division of necctor Dcvalcp=Itt stitjttT: D?5SDO:i - (C010D:?.TdALTH EDISCU CD 2An')
S Y::.',0L : P.D:CR: m :U.1V Tnic remorand.m is to suppic:2.nt infor:. tien centsized in /IC-:t,32/IP, Subjtict: "Opcraticar.1 Difficultion et Dresdan Fuelcar ?cuer Ocstien.-
As sected in the attachnent to staff paper. /.EC-Ts 32/10 difficciticc vare encountered by C=. rmenith Edir.on Cor.peny during the initici operation of the Dresden Nuc1ccr Powar Staticn in that it.pc fecticue vera found in the Zircaloy-2 tubes containin; the UO2 pelicta r.nd
_ shearin5 Of the P na connecting the poieca r,cctica to the drisc ccetion i
cf the control rods.'
P.cr.ctor opers.tien, includin; loading cf fuci, vac r.tepped on 11/6/59 pending invsstige. tion sad cli=inarica of the source cf difficultics.
Conversetion: with ths Ganeral Electric C:cpeuy, to dcte, hnvc durcished the following' additional info m tion.
The imperfections in the ::ircalcy-2 tubes era being ren: died and it is presently estir.ated that all the elements will be coupleted by Jcncary 1, 1950. Tha difficultiec cuccuatered rich the feci did not delay the overell schedule.
The invecti;ction of the control rod difficultice initicily indiccted th:t the cher ring of the pino vere. d:c c: dc feccivo grc7 bite huchin; buf fer Ect.1r, V.tich had been err.cked in c.hirr.:nt, cnd cc n con:cqu:nce did r.et previde t.n Ader;uctc buf fer ilovin. c ca
- .cch-nic.1 shock to 19 out of 85 control rod drives rce, circ.d l
the red v'aon it vac re: rem:cd.
replaccedht of ena or narc grcphite se.lc.
- hh
- ituntion v..c r:.r:dic s cnd the loading cud critical testire raco:::: net.d ca Decce.ber 10, 1959.
On Decer.ber 16, 1959, the shearius of one control red pin vc: c. :.in c:. countered. Reacter operation hr.s been ter.ainated pending invectiration.
It is presently estic:sted thet the entire cont:ci ref probice vill recult in en cpprenir. ate 6 veck delr.y in the er.it. tire cche M r..
d 80091so 3 2 S' M