ML19220B029
| ML19220B029 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/21/1974 |
| From: | Washburn B US Atomic Energy Commission (AEC) |
| To: | Kniel K US Atomic Energy Commission (AEC) |
| References | |
| NUDOCS 7904250212 | |
| Download: ML19220B029 (3) | |
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August 21, 1974 Wm ?
p-Docket No. 50-320
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N Karl Kniel, Chief, Light k' ster R2 actors Group 2, dranch 2 s
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..v Attached is a letter to Metrcpolitan Edison Cc=panv with first-round type questions for addi:icnal i: for.stica subnit:cd by the 2:s 3 ranch. Acciden:
Electrical Instrumentatica and Centrol Sys:
M r:ctural ingi-Analysis Branch, ".aterials Engineering 3ra-ch, neering 3r.nch, Machanical Eng neering Branch, Core Performance Sys tens Branch, Au : ilia y and Po ter Branch, Effluent Treatmen:
Conversica Systens Branca, Ccataine.in: Sycters 3 ranch, Site Analysis 3 ranch, Reactor Systems 3 ranch, Industrial Security and and Radio-Energency Planning Branch, Quali:j Assurance 3 ranch, logical Assess:ent Branch.
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respctses clarificacion and sorc detail rela:ing to tne applican:s' of the to the questions sub=1tted f elicwing the accep tance revies FSAR.
The folicwing significant revicw iters have been identified:
The applicant has not addresced po:ential additional 1.
the staa: generators after re-energy releasa frc flooding of the core in his analysis cf a pcstul2ted reactor ecolant syste ccid leg pipe b reak.
- .*e are requiring the appliennt Oc include the pcs
- -refloed generator energy release in his containceat stea:
analysis.
2.
The applicant has not ec pletely describ=d his ce:heds of analysis to determine the sub compartment pressure response.
3.
The auxiliary feedwater sys te say require design changes unless safe shutdcun can be achieved by acceptable netheds follcuing a feedwa:er line break which is acccapanied by a single failure.
Conf or:ance to applicable s tandards and. Regulator /
4 Gcices.
Seis=ic and environ: ental qualifica:icn of safety 5.
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Karl Kniel abstrec:s.
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Freeperational test 7
ECCS evaluatiCn.
Less of feedwater analyses and evaluarien.
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Additional itens noted in the subnitted questicas are:
The muniliary feeducter s/ sten has been de:ernined and must be capable of satis-1.
essential to plant saf etj af ter sus taining a fyin; its functional requirenent pipe break inside centainnent and a single electrical fsilure.
(22.15)
We are requiring qualification testing of the standby 2.
diesel generatior.
(22.20)
We are applying single f ailure criterien to nanuali -
f 3.
(22.15) controtled electrically-eperated valves.
isola-We are recuasting anal / sis of the control ro a 4.
(31. 1 tien capability for chlorine releases.
sing 1 f ailure The Residual Heat 2encval Systen is not 5.
the intent of AEC prcof and therefore aces not neetWe are asking f or nodi-General Design Criterica 34.
to echie"e a cold fi c a ti nn of *hh avsrem en enable it rest. ictite single shutdown conditica assucing the cost failure.
(21.33)
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' 'B. W. Wdshburn, Proj ect Manager Light Water Reactors 3 ranch 2-2 Directorate of Licensing Encics ure:
As stated Dis tribution:
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s 3-Karl F.niel Distri'cution:
Decket File Ilda 2-2 Reading M. Service W. Haass
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