PNO-II-80-032, on 800226,combination of non-nuclear Instrumentation Power & Integrated Control Sys Power Tripped Reactor.Coolant Pumps Stopped,High Pressure Safety Injection Activated & Auxiliary Feed Pumps Activated

From kanterella
Jump to navigation Jump to search
PNO-II-80-032:on 800226,combination of non-nuclear Instrumentation Power & Integrated Control Sys Power Tripped Reactor.Coolant Pumps Stopped,High Pressure Safety Injection Activated & Auxiliary Feed Pumps Activated
ML20126B762
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 02/26/1980
From: Danke H
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
References
PNO-II-80-032, PNO-II-80-32, NUDOCS 8003190979
Download: ML20126B762 (1)


_. .

. pyrT.mrNART NJTIFICATION February 26, 1980 rett.LIMIKA.EI NCTIDICATIC.E CI DINT OR UNUS*.IAI, CCC'URRENCE PNO-II-80-32 This -

or. elimcinalv nctification cons titutes I.1.RIY notice of.._an event of POSSIBLE safety or pu3lic interest sletificanes.

1

~be inforca tion oresented is as ini tially received withoct ve.rification or evaluation and. is basically all that is rnown by-

.L a s ta f f a s c f th.t.s d s ~ e FACILITY: Florid.a ?ove: Coryorztion Cryst 21 River 3 Ih ete: No. 50-302 Crys tti River, 72.crida l

SUBJECh: SITE T'ERGENfT Cryst 41 Elve Ucit 3 e: ripped about 2:2.5 p.c. Februa ry 26 upon some co=bination of loss of oc-:2 clear iss trucenta tio: ;ove end integrated control sys tem pover. Initial r p orts a Regie: II icdicate that coolant pumps were stcpped, RL Pressure Safe:y 1=je- tf on was initiated, and auxiliary feed pu=ps were acti-vated.  !:essurir.:r level was over range high, primary pressure was 2300 lbs.

Pres sure wa s ':a i a- s:aint.ai:e-d by press:rizer pcver operated relief valve operati:n.

"3" ctea: se: era:or had 'evel indi ca:1ct.

. "A" steem generator level was not indi ca ti.:g 4:d p ;a.= pers or.cel vere a t :.e:p tr.; to restore level to indicating range. C:ntatese:t pressure vas 13 psi (ide::>e radia:. ion was 50 R.

Subseque.::1y, it ha s bee: deter = iced th.at natural circulation is occurring with 25 degree pr. .s r7 Te'.t.a I a cro s s 3 s:c a: gen:rator. Contairment radiatica his decreas ed to abor: 20 R. The site has declaret a site emergency and has ce=nenced external sc:iteri.:g. No offsi te relea se ha r, occurred a.t this time. Region II is dispa:Ai g a ce2s via charter jet - Regi.o: II inspectors and the Perf rmance Appraisal Team a:e prese:tly onsite. The Region II radiological va: has been dispatched fr:m St. L:cie site.

Media Late rest is oc:u rring. Eegica II is re sp-onding to media inquiries. The S t a ta o f Il c ri da 12.s be e.n :o r ifi e d .

Regica II (A:le:ta) received actifica:,ie: ef this occurrence by telephone frc Plant M.a: age:/R.esidec: Jespec or at 2:40 p.m. cn Tebruary 26, 1980.

Contact:

E . C . h= c e , Ri~ 210-5533 ; R. Marti:, RII 242-5534 >

Dis tributies: Trams:itted E. St.

Chai= nan Ahes:=e Co+ ssioner Hendrie S . J . Chil'c , SICY CorHsiccer 3radford Cow ssioner Xennedy C . C . Kame.rer , CA Coc=u s sioner Gi.lics'ry ACKS (For Distribution)

Trans: i tted : tfNI3_ ?tillies XOOS M6/(IE:EQ Dist.)

'.i. J. . irei.s , DC Z. R. De=tes, KRR C. Michelsen,12,00 R. C. DeTo.;ng, NRR J. J. Fo" ^ =rd , FA R. J. Mattson , NER Landow (6 min./page' N. M. Ealler, .*?A D. v a s s allo , Fr.R J. J. Cu m ngs, CIA E. C. Rya.n, CS? D. Eisenhut, NER E . K . Fha p a r , 7"~ 5 Villste MAIL J . G . I, avis , Nv.SS R. tiinogue , SD Cther Regic 41 Offices S. Levice, FJ.S XOOS Ci .e)

"~ ~

] ,

to o31984 19 979