ML19323A690
| ML19323A690 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom |
| Issue date: | 04/18/1980 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | |
| References | |
| NUDOCS 8004290439 | |
| Download: ML19323A690 (2) | |
Text
{{#Wiki_filter:. _ _ _ ~ ~. N.,4 - 'N.;..' J., 6,~m-7 ^ .' e C #'m ~mm FRI*.ADIL.WIA ??,EC mIC ; W AXC P9ech Sci *;o s,tto-in Few-r Statien Delta. *=minytmts ..,,f. e-April 10,19'!O Mr. &27:t K. Grt-r Offics of Inwpm:tiva sn1 Enforce-nt P.e rinn - 'l.it t 1 'itstee ff: lese Reg'unton Cr n.lation 511 Psrt A'r+nue Eng of s'rua.91a, F 's 19M6 < -,.,q g. cw -m-..v r ~a. ~..n. ~.- - t.,.__g.- -v.r.v...r y yi -o s gu s u ..m. =' C m!Lmir,g W. T. III';. rich's conver: n.len with ftr. Ccv; gill, Et.iton 1, '.Tniteri 5tstes 'ittelant Rn. dst:ry ';ominica on ? /17/S0. ~ 4 g. ~ 29 fir 9n:1: 2005-t *'c. 070-277/270 P e ar h W.ca C r.Lt.1 2 ed. 3 ^ .-,e.gs_Technien1 Sp*cifics:1m EMerv.:t - 6?),2 m(9) ' N w .,.s. s.. r,. 7, P.moort 'Jo.; 2-SO -3/IP ~,. ' h eurrende'.Date AprL1 17, 1990 ~..... N! v.. : .c. ~- ~ x Identi"les'. ion 'o r Sc: tr*9ues; 'L , -~ N; .~ - En tep's-n*: M w l: r.me ^ni sp etr ='s eseect.*;ted vith hlch energ line br :eks-t m Ln11w.te:i that a g d.tlotina raf.len -:f the ?. ten:. m.tpl7 pigte.4 to the EPCI turhine within the isolriticr. M'r= romr. w :di r*sult In m. prmsv2r pi t ul,bts th*t roet:: 1 exce c of the ~~_ps.hility of the laicek wall.. ThLa cend.Litoa exists in both-rJdt; 2.sn1 Unit 3 + . Cor.lDi,:ns Pr4pr 'o 0 e t-~~~
- 3..M~
.,,m ~' y.,. n ~ w- -~y.. . w.. m Unit 7 shutdcwn for ve"beling outage.;. rJnts,1 vpsrst;ing it 6.11 power. _ 1 . s,. n.. =. Am nr=ra Cunn or on r.1r%c-m 1 ~a zin=nrknst 1sticlener. daa';/ sis e r-C-eurr-nee: i j e. '&.e ecrimee.rirc evnlustien of the Ip.ilwes of +.ite RNT,*em s:n cly Itne j vitbin thLs isclati<-n valve.rctm indien:ts that stia trem pressitre vot:Id .guicklr rise to a raar.imu.a'crf,12 psi within ene necene. The av.intlug bluJk ve.L1 en cce n1<le o
- thin roWhest
- Stein svenur. ret.ine of 1.8 pal.
If this r tillne.lne fe.t.lu-a were to ocane. ;tt it? conc tinbl+ that the { block w.111 coidd crank or fall. - Ths. t lock v Il c'mpo-t.a. vv.~1c'ts corcluit / eentsinine. engineerad. sarac nni :eles.. C=tuf:ror' tic Tstinra e.T this [Q-
- 'sll coultl result f r' l.ees e r.eme;2D'S e luip,nnt.
y .m x-y 4 s
- u... -
~ .,/.i.s p,C z..
- r
..._ ; E......; m.; "JHIS D.OCUM. ENT. CONTAINS. a. . a..., t ~.. 1,. A e' , :P00R QUAUTY PAGES. o . n c.. ,. ~ ..w~-e.~
......... + n v..u. a,.,,....;.,m..,n,,....,....,..,~..,,,,,,,,,,,,,,,,,,.,,;,,,.,.,,,,,,,,,,,,,,,,,,,,,,,,,,.,,,,,,,,,,,,,,, a 1
- e e
m I Calculations indica.tv tht t.h s tar.s lewid within the 111tI Stefun Dipiad in T.his cavity la Tis percent d alto,,anla ati a.w non=1 terig 4erstiM preuun plus thesa Impc4cd t.7 t' ir d==1.m Maia aannwie.s. he prount 111ty w or m. thilure of chia pgiag, ;yuty.s wwu.fwins a on-W1u se i s 's e:7 km. Auslysit, and investigaston ct' 'cnia concern Is contir.'aie.7,. Can-ect L.re U:t icn s Im:a.idiata correct 11e actic:2 cu Jtsin 2 la not reqaired since she ezalt la nut.ma.Lth t.ha rawnar nr..ad rs=me.1, Ec.4&f:= attrac Ave m::.lon an s dni.t 3 inctucea S 91nm1 inai.ecticn at t.na p4 Lag in me..s au c.) v s.;a r. thuc sto l=u afe exista At thie: T.ime. Dally '< 1auud. it. genu ts;.ua aill h continued antil ina canaarn iG NGTd.Wd. Ad.iiL1 LU. f.:d bdsf hl3.T,it.A valv.s ca t* a HPCI scea:::.4u1 Gly line Wa *;nrott.j eti to A nearly clos. ort c positia} stu:i1 that (d.sr 4t..a.s pressJw in the pip.1:ad Ayatedt vu.n.liituitaed, ' cma Unis inimi cr.nait.isu, 4 at zional mlums witn the rfM: situbicnra. S IECI qul:E-st.a.cr. Jurn111re.ca T.er.t vss perfortud w writy th r. t.u.s UNI does :::aet its operm.t1WI requirimients. rQ,. , a.,,., 3,, .? A.I11sicual coneht.lva nctic.n v111' h tdan Wimn additionn engir. sering data is providad. ' MI1Mnel esch:m.te inalcate that rur,dificanienr. to resnive inia concern t.txt. repire appscxistuly algt.r. se=Ad to implereM., s. 19evious Patha es: Uano s1=tlar.. . [ h ^ f h/f I .s w.. .s ':r % s;[c.. ,1 '.h.. s.% T. Ullrich ~ s .[.
- l' L.
. Ei,t at Lat. L*.up+.zlxx t cf.1est . ~l
- m.
-Q;Q V ,.... ?"*, ;' s _ y" - uwe 7, % '.i' ~2.9,% ' i ;., a:p <,s,, st~ ..e ,j., n... - ~ . c p ~~ s... a. .:~..,- '.;':*yz y f ?*
- (
r g. o ~ .), ' e -r-a s t, s t;s e- =. ,.. L ,-T,y...+.. ~ .,.,2- '?.? .;..,_ :. f. _ 1: T v. -..., m..,.c.m.. w.,. ~ 5 ,u-a4. d ..9 ,.. g.;.,.,. ,. s '., e. 4 s.. j ..n. .s ,,n b/ 'lrE. q. k .t., _e y * ,y- -g s- .s,-. - v 'W
- ~.,;.~s m~,p'u.9
-4.+,-= ^ ^ ' - * ~ ' ,3* : * .'g - - w., 7 g- ,... p - (4 . >.y. j j -- -,;, a-- ~.s . l. .vM . n* ; v. * - _, q s .. m _s. ^
- Y, 5.
..g te g *j y s, s w .- ?' 4 g d' ,r .sy *, 7 e 4* - e. p r.-
- .g s-e
- t..
,. e e+...4.e== ,. j. J,. j .a ,a
- 4k r y
y. ...I ..+ , si a ".. ~ * ,- ~,=.. 94 g
- ,i %
'.-g ?. A.,"' t, g, e. 4
- a..
i r I et * + .~ '.?.:., .. ' ;~'.- ~ +.. m.,, .s-
- ' w:,&~
e
- a.,
.,t,..\\,--,.g'. s ~,. ,e 9 s w t .%.s s
- . Ye.
.. - e. .n;- ,c .. ~ \\ 'I ap.. e .t' . ' *., ., y : ~ 4 ys }g s r- =}}