ML23241A311

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7 to Updated Final Safety Analysis Report, Chapter 3, Figure 3.8-84, Drawing 515214, Revision 6, Sheet 1, Architectural Safety Related Masonry Walls Turbine Building Elev. 85'-0, 104'-0, 107'-0, 119
ML23241A311
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 05/25/2023
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23241A052 List: ... further results
References
DCL-23-044
Download: ML23241A311 (1)


Text

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F' I. CO'lCRETE MASONRY \/A L L OHtENS!O',S AND DETA I L REFERENCES A>lD AS-B Ui l T CONCRETE MASONR Y \/ALL MODIFICATION REFERE"CES ARESHD\/NONARCHITECTURALDRA\IINGS59536 , 501243 , 501246 , 50 1256 ,

Tl*l~7 501266, 501269, 50 1970 AN0 50 1971,

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KEYPLANA NOSC HEOUL E OFAECORDDRAIIINGS , SEE ORA II I NGS zi-,,~>-1--F-- 40106 18 AN0~0 10 6 1 9 , ~

3. FOROES I GNBASISOF SAFETYRELATEDMASO'lRY\IA LL SANOSEJSHICALLY QUALIFIED NON-SA FE TY RELATED MASONRY \/AL LS, REFER TO DCM T -3 I .

ANY MOD IFI CATION Of SA FETY RELATED MASO'lRY \/A LL S AND SE ISMICALLY QUAL IFIEONON - SA FE TYR EL A1 £0 MASONRYWA LLS , l'-CLUOINGST EEL SUPPOR T JM:; MEMBERS , MUS T B[ AP PROV ED BY CIVI L EN GI NEER ING PRIOR TO l NSULLAT JON,

5. SAFETYRELATEOEOUIPHEN T ANDSYS TE MSSHALLNOTBELOCATEDIN THE VIC I NITY( WITH I NA DISHNCEEOUALTOTHEWALLH EIGH T lOFEXIS TINGNON-SAFETYRE L ATEDMASONRY\IA LL SUNLESSAPPROVEDBYC l V !LEN GINEERING .

6, SE!SMICALLYQUAL IFIEONON-SA FEl YR EL ATEO/olA SONRYWALLSARENOT RELIED UPOSJ TO SU PPORT SAf[TY RELATED MASONRY WALLS. THE SE IIALLSA RE CONSERVATIV ELY SE ISMICAL LYOUALI F ! EO. OUALITYREO U!flE"IEN TS FORMOOI F ICATIONSOFrHES E WAL LS , JNCL UDI NGST EELSUPPORTI NGM EMBERS

$HALLB E THESAME AS FORDES!GNCLA$$I STRUCTURES.

7, THE NOTEDSE!SMICAL LYOUALI FIED CE ILI NGSTRUCTURES, I NC LLO INGCONCRETE SL A BS , ME TALDECKSANDSUPPORTINGFRAM[NGARENOTR EL!EO UPONTO LATE RALL YSUPPORTSAFETYRE L ATEDMA$0)JRY\o'A LL S. THESESTR UCT URES A'lECONSERVAT I VE L YSEISM I CALLYOUA LI FIED T OTHERE U IREMEN T SOFDCM T -3I.

DUALITY REQUIREMEN TS FOR MOOIF!CUJONSOF Tl!E SE STRUCT URES SHA LL BE THE

$AMEAS FO'l0ES I GNCLA$$ ISTRUC TURES.

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s. THE NOTED SEJSMICALLY OUALI F!EO CEILI NG STR UCTURE S, I NC LUD ING co"C RETE SLABS, MElA L DECKS AND SUPPORTING FR AMING AR E RELIED UPON TO L AT ERAL L Y SUPPOR T SAFETY REL AT ED MASONR Y \/AL L S AND AR E SEISMICAL L Y ~UA LI F!EO TO TH E REQUIREMEN TSOFDCM T- 3I. OUA L ITYR EOUIREME NTSFORMODI FIC ATIONOF TH ESESTRUCTURESSHALL BE THE SAME AS FORDES ICNC L ASS I STRUCTURES, C l - --+--- + - - - + -- - --t- 1-- -

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~ r..ctt~e.V tTY lftL.ATEO MASONRY WALLS

- SAFETY RELATED MASONRY WALLS 111*85*¥1

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