ML18142B223
| ML18142B223 | |
| Person / Time | |
|---|---|
| Site: | Ginna  |
| Issue date: | 07/15/1977 |
| From: | Snow B Rochester Gas & Electric Corp |
| To: | O'Reilly J NRC/IE, NRC Region 1 |
| References | |
| Download: ML18142B223 (3) | |
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ROCHESTER GAS AYO ELECTR1C CORPORATION e
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c ~r aeL+ co7L lsd $4gi 2205 Ginna 5 tation July X5, 1977 2".r. J~es P. O'cilly, Director U. 8. Viucleur Regulatory Co~ssion Office c f Inspection and Enforcement Rcgian X,
631 Pa?'jc Avenue T,'ing oi Prussia, Pennsylvania 19406 Sub)ect:
Reportabla Occurrence 0 77-lD Redundant Service Mater Ms-charge Line Support Des5.gn Error 3ear Nr. O'Reikly:
i t nHrm my phone calX to Nr. Donald Havercamp on July 14, 1977 to c
-10 at report suppimcntal information regarding Reportnb1e Occurrence 0 77-a Ginna btation Fallo~ing, discovery of tMs Pepprtoble Occurrence, gal>eat AsyoHatcs +as dI-reeled to review the rcdutidaat house service discharge line ~mpletely.
Rs a f this review four adpitional supports (SV-69, Sh'-73, SM-78, SV-83) r t!uce under design basis earthqu@ce conditions stresses inin excess ol:
app1ic'able allowable values as was previously identified..for.<4-70.
Ve are procceN.ng to rectify thi condition Bruce A. Snow Assistant Superintendent BAS:i ss cc:
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G J. Swarthout, FZP~E Corp.
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pica cour sea 5'46 P7CO Gi;nne; Station.
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8>> NUC3&AC'eg4ll'atory CQ~K'S SIGIL OXESee oK ZnspecrSon.. aoX Fafor.canene..
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eC P~sr~~~ PennsJl~ania 18MG Sub Jest=.. RciportabEe Oeaurrenm g-: 77'-Xg Red undaat Seevfae'-7fatar.
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". charge T6m Sup@or.t 9 sign Frror gem. Nr.
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Pl9:r.": i'p ta con&;zav my phone. caXX. Ce Hw QanuT8 Huircrcary axr.. JtaEy X3~.%977;",
Co report Repo-tabXe occurrence tp77,'-O'9: at Canna-Station'o:
accordance ~Mr Technical'....+acNXcatfoa 6,9 Zm:..~, the. folZev&xg:
%s'ubmit tted 4
Toe F5~4Tt aqu'-es. &at. the Auxiliary. BuiMXtqp Ktrueture: 5a cTasS;gncC:
ance conc-tructecY "s a siis~xe. stmcMxa (CXass: X):
HW. imxta%Xcd a reCuadant.,-
house sarvf ac ~aecr. discharge lQxa aa-a. prre. aX. the. high. emx~-backSi~e.
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Xh~-system. ~as ims~%3ed;."Xn X975b~t.baa-net been~iarped: or pLececL ia opazatiom.
V<<have been:.akvise8.by t5e arch%.te-t:,.'X1bert.
C~aaaiates
. Chmt;. baesD om subsa'quent xemmw and'naTysks:
parXoxuer1: by, i:bea the Yoa0Lmg cransmRrtcrd.'rom,the pi~ag spa. en: to. the htmf,'Egad.
BvS. EcKng: s rucCure, t7irouvti-support: SM-'70'ouM produi.e under.- dmg.oned:.
barf s, esrthquaRc canbitRans~
@cresses.
Sm excess nf appZ.XcabXa aXIsrvabT~
vahes.
'he vez'e o=J;pi~aUy advi.sad aE tFais. caadf tion.. ie, Horcb 1977 Ho~
c:vex-,. Xt. was af,"summed; that these potential: sCress valves. ~ex'e abc>aciated.
vieb thu 3.inc bein(
charged and in service..
A'War- &~rt%m ana7~m.'r~~c ~ca~ ad'uÃsed! am JuZy X3'y-QRR.ex& Assocates; tjtc~c; tbC8. QMc.x'tr&68. canditfcxxl..coUM! e&i.c& Hifb= Ale. 2.itive QcYc. yet cba~o@.
ox im service..
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.)sg 5f.ation 14 ~ 1977
/ rtablc Occurxemce 8 77-XO lee Zine X,s nod ia a bold condition, ond we me proceeding to rect:if@ the cond%.tion Bruce A.. Snow Assis to,nt Svperiatendent BAS:kas cr:
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