ML19319B331
| ML19319B331 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse |
| Issue date: | 04/21/1975 |
| From: | Moore V Office of Nuclear Reactor Regulation |
| To: | Roe L TOLEDO EDISON CO. |
| References | |
| NUDOCS 8001150825 | |
| Download: ML19319B331 (2) | |
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D TRIBUTION:
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APR 2 1 1975 EGoulbourne 1 ACRS (16) t, he Toledo Edison Company g
n ATTN:
Fr. Lowell E. Hoe D
D Vice President, Power p
Edison Plaza g ~Q~}
3CC Vadison Avenue Toledo, Chio 43652
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Cer.tleren:
I The Stanc'ard Foraat and Content c f Safety ~ Analysis Reports for Fuclear.
Power Plants addresses the need for f isures lo ~EeTrov'id57s"t.9 355' schen information can be presented more adeouately or conveniently by such eeats.
Specifically mentioned is that due concern should be taken to assure that all inforestion presented in drawings is legible, ey-hols I
are defined, and drawings are not reduced to the extent that visual aids
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are necessary to interpret pert inen t items of information presented in L
the drawings. Uhile the " bound" SA3 versions of such drawinra are certainly necessary owinn to the wide distriuution of this ip*ormatien, j
such reduced-scale ecpies of the piping and instrumentation diagrams (P5II;) are especially troublesome for the detailed 1.T.C statt review f
and are, therefore, of li:ited usefulcass.
Additionally, less than i
natisfactory reproduction technioues or unexplained symbols of ten
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contribute to frustrating attempts to decirher P& Irs. We request that j
you submit, as soon as practical, one set of larger-scale versions (approximately 22' x 34) of each P&ID in your SAR.
These larger size diagrens are recuired to facilitate sur review of your plant.
Teletiens should be ninimi:ed and cooroinate locators should be utilized wherever reterence to cortions of other drawings is given. A cross-reference
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list of NSSS figure numbers, A/E figure nu=bers and FSAR fi;rure numbers
=ust acconpany de submittal.
Ecually important are revisicos to Safety Analysis Report figures uich are usually submitted without explanation or identification. A procedure is needed to quickly identify where and why each change is cade.
Circling or indexinn each P&ID revision (accompanied by an explanation) would i
serve to quickly identify where and why the chance was made. Please adopt this procedure, or a similar practice that would accomplish the ssee objective when submitting revised P& ids.
f oFFICs >
l SURNAME b DATL D _
,_________d_
Form AEC-318 (Rev. 9-53) AECM 0240
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2-The Toledo Edison Company E
'ae believe the foregoing would contribute toward streamlining a portion i
i of our review process by shortening the tire-consumine searches of PfiIts and revisions thereof.
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Sincerely, cdenal situd by voss A. Moers Voss A. Poore, Assistant Director for Light Water Reactors, Croup 2 Division of Heactor Licensing
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ces:
Conald H. Fauser. Esauire nie Cleveland Electric Illuminating Co=pany P. C. rox 5000, Focm 61C Cleveland, Ohio 44101 Leslie lienry, Esquire I
Fuller, Seney, Henry 5 3cdge 500 Cvens-Illinois Building i
405 Madison Avenue Toledo, Chio 43604 O
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Cerald Charnof f, Esquire L'
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Chav, Fitt:an, Potts, n
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IJ Earr Etilain:
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910 17th Street, M.
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Washinrton, t. C.
200C6.
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