ML19206B316
| ML19206B316 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 07/29/1974 |
| From: | Maccary R US ATOMIC ENERGY COMMISSION (AEC) |
| To: | Moore V US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML19206B317 | List: |
| References | |
| NUDOCS 7905090122 | |
| Download: ML19206B316 (2) | |
Text
.
'/
,A. ".
MC. 2 5 G4 Distrit'.icn-Oc:ket File "C-320 L ?.i; Dociat No. 50-300 Vosa A. Mces, Assistan*, Oirecter for Lignt hter Reacters, Gro q 2 Directorate of Licensing
)CC3CPCLIT1,3 ZDISCH CO. - N XII2 ISIA3D N.2AR S"".ATICU,
'w".C 2
FIR 3T RZRIP Z' FCR SSI'I'ZL I".JG:KATICH, TSAR RE/Ir4 Plant lue: Three Mile Isla.ai, Ucit 2 Licensing Stage:
FS - CL Hoview Dociet Nu.ber:
50-k.2 Respcr.sible Branch azzi Froject Manager: I'JR 2-2, 3. Washburn Requestai Cc::pletica Cate: August 2,157h Applicant's Resp <nse Date 5ecessary for Cmpleticz2 cf Zext Actica PhM cn Project: Q:tober 18, I$74 Limeripticn of Hermse: Answers to ( W icus Review Ctatus: Waiting for Infc: m tica The first rcued rsh cf the FSAR has been ca=platei by the Structural WpW Ernach ani ve fini that additiccal infe:nntion is requirei befcre ve can ecmplete otr/ review. The additicnal infor::ntice re-questei, tWich ccucarns structural aspects, is centainal in the M na=re.
The material.Wevti to date etz:sistal cf infor:ntien proridai through Aw- -t to.18 datai July 15, 1574.
R. B. Meceary, Assistazd Director fcr %.-4 ***Mng Directorste of Licensing Itz:larure:
First Request for Additicani Info:.:stict2 for Three Xile Islani, Unit 2 co v/o enc 1:
ecv/ enc 1: }h8 A. Giambasso, L S. Rassuer, CR~A L. Shao, L V. G. Mew u, L F. Schroeder, L
- t. Wash'curn, L S. Varga, L L Kapur, L L Inzil, L A.mur 7,,L 2 ;!.:.,
.L:3E3 g L SIE h.L.SI3[h ='e=* aGiuck= ann: 'OMur.._ t ._'cSb6s _= ys-eary .u... an J ?l'f/Th .v2/.h!7h. ThSfik. . 7177/7L ~ u n.- AEC.313 ( Re. 9 5 5 ) ABCM 72 0
- A' u. s. saves es amt..sema orric sa s er....
..e \\ Ws ) ) t/ 00 0 0001%W
13-1 13 STRL'CTURAL E';GINEER!NG 13.1 Justify your statament that the Petry formula is less con-(3.5.4.2) servative than tne Army Corpos of Engineers and the Sallistic Research Laboratory formulas and that Ballistic Research Laboratory formula is the Tost conservative. 13.2 The seismic instrumentatien program given in Section 3.7.4 is (3.7.4) no in acccreance.vitn Regula: cry Guide 1.12 (Rev.1). As a minimum requirement, one multi-eiement seisrcscc;e :hculd be installed at tne basement of the contai ment for a raoid determinaticn of the ground inout response spectra during an earthquake. Provision for time history accelerogra?ns alcne is not adequate. State your intent to cca?ly with tne re-qui remen t. 13.3 Your ute of ccncrete interlock approach for tangential snear (3.8.1.4) is not suitable for prestressed concrete. Demonstrate thac the desicn for tangential shear is in acccrcance with ACI-318 ~ or ACI/J.SME (Committee-359) ccdes, wnich are applicable. 13.4 Justify the use of a reduction factor of 0.95 for prestressinc (3.8.1.5) steel instead of 0.9, as recernended in the ACI/ASME (Ccamittie-359) Code. 13.5 As requested in our preliminary review, state that the design (3.8.3 & criteria and design methods are in accordance wich Document (B) 3.8.4) prepared by the Structural Engir.eering 3 ranch, Directorate of Licensing " Structural Cesign Criteria for Evaluating the Effects of Hign-Energy Pipe Breaks on Category I Structures Outside the Containment". This cccument, preoared originally for structures outside of the ccncairment is also applicable to interior structures. 13.6 Your response to cur question en degree of conformanca with (3.3) Regulatory Safety Guide 1.13 is not ccmplece. ?rovide a ccm-prehensive discussion of degree of cenformance. 13.7 ReYerence in Secticn 3.8 your discussion of conformance with (3.8) Regulatory Safety Guide 1.i3. = O}}