ML20214G574

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Advises That Technical Assistance Request 876 Re Standby Svc Water Sys Design Margin & Ability to Sustain & Recover from Damage Due to Impact of tornado-induced Missiles Complete,Per Util 740916 Commitments
ML20214G574
Person / Time
Site: Columbia 
Issue date: 10/07/1974
From: Long C
US ATOMIC ENERGY COMMISSION (AEC)
To: Deyoung R
US ATOMIC ENERGY COMMISSION (AEC)
References
CON-WNP-0059, CON-WNP-59 NUDOCS 8605220290
Download: ML20214G574 (2)


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DISTRIBUTION:

Subject File OCT 7 M74 L Reading L:CS L:APCSB P. C. DeYoung, Aasistant Director for Light Water Reactors, L T7IRU:

R. L. Tedesco, Assistant Director for Containtmut Safety, L CWEPLETION OF TEC!MICAL ASSISTANCT. REQUEST (TAR-876)

WASHINGTON PUBLIC POWER SUPPLY SYSTEM, MO. 2 At a meeting oi. OctoLcr 18, 197'1, the applicant uns requctited to reviet: time Ltandby Service Unter Systen desiru rarf n and i

its ability to sustain and recover from Jans3e resultisc fron the 1epact of torriado induced nissilca.

All e v.rgency shutdom cooling can be sustained 'ty one of two redtradan t uprav ponds of seiscic Cater.ory I design. Piniac and layout drawings, ar.d a study of the energiency shutdo m coolin; sycteri operatica folloving a tornado, were provided by thc acpliennt in a letter dated February 27, 1974.

Our review of that letter reSuited in tvo creac of conca.rn Which were snelled out as positions in our resporise of.Ite:t 21 1775.

They wera, (1) the level control svitches contro1111.r. r.:l. cup water supply n'iould 1,c located in tue standby service water pump house suarp area for tornado nissile protection, nr.d (:') red.ruda.it teeparature indicatorn located wittin tue care ulssile protected areaa es n',ove shoule. alar:' in the control room m hip'. snrm-

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r water tenneretitre. Details of the tet:perature alar:. settiu s and adoinistrative procedures for alternating pond usae.c sho :1 h+

provided in the FSAR.

ffl The applicant's letter Cd 2-74-30, J. J. Stein to !s. Gimahurso dated Septe:d er 16, 1974, confirmed they vill comply with tucse

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Ferin AEC 318 (Rev. 9 55) A2010240 W u. s. eovanmuseet natuvue orrican seve.ese.ies 8605220290 741007 PDR ADOCK 0S00 7

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c., c. Y cur mie is to advise you of our ar,reement to the responsc, and record co pletio1 of the subject technical asesistance request.

Charles C. Long, Chief Auxiliary and Pcmcr Conversion Systests Branch Directorate of Licensing

Enclosure:

Cox,-leted Yora l'%9401 cc:

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A. Gimnbu9so S. lianauer P. 1:lecke r 4 Eisenhut J. Carter G. Varga P. Butler J. Or:tdof f J. Glynn L. Connery (r/ encl.)

ICLonald F. Scitroeder R. Tedesco 4

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