ML23241A182

7 to Updated Final Safety Analysis Report, Chapter 3, Figure 3.8-83, Drawing 515213, Revision 6, Sheet 1, Architectural Safety Related Masonry Walls Turbine Building

ML23241A182
Person / Time
Site:	Diablo Canyon
Issue date:	05/25/2023
From:	Pacific Gas & Electric Co
To:	Office of Nuclear Reactor Regulation
Shared Package
ML23241A052	List: DCL-23-044, 7 to Updated Final Safety Analysis Report, Chapter 9, Figure 9.4-10, Drawing 512904, Revision 15, Mechanical Air Monitoring Technical Support Center and Post-Accident Sampling System Air Flow Diagrams ML23241A053 ML23241A054 ML23241A055 ML23241A056 ML23241A057 ML23241A058 ML23241A059 ML23241A060 ML23241A061 ML23241A062 ML23241A063 ML23241A064 ML23241A065 ML23241A066 ML23241A067 ML23241A068 ML23241A069 ML23241A070 ML23241A071 ML23241A072 ML23241A073 ML23241A074 ML23241A075 ML23241A076 ML23241A077 ML23241A078 ML23241A079 ML23241A080 ML23241A081 ML23241A082 ML23241A083 ML23241A084 ML23241A085 ML23241A086 ... further results
References
DCL-23-044
Download: ML23241A182 (1)

Text

i 6 I. CONCRETE MASONRY WA L L DIMENSIONS AND DETAIL RE FERENCES ARE SEISMICALLY QUALIF I ED SHOWN ON ARCH ITECTUR AL DRA WING S 59532 , 59533 , 59534 , 59535 ,

CE 1LI NG STRUCTURE 59536 , 59541 , 59544, 59545. 59554 , 59557 , 59558 AND 5957 1.

ISEE NOTE 7) i 2 . FOR UNI T ONE CONC RETE MASONRY WA L L STRUCTURA L MODIFICATI ONS, T - 268 KEY PLAN AN O SCHEDULE OF RECORD DR AWINGS , SE E DR AW I NG S 5 15 19 4, 40 I 0616 ANO 40 I 061 7 .

3 . FOR DESIGN BASIS OF SA FETY RE L A TED MASONRY WAL LS AN O SEISMICALLY QUAL I FIED NON- SA FETY RELATED MA SONRY WALLS . REFER TO DCM T- 3 1.

4. ANY MODIFICATION OF SAFETY RE LATED MASONRY WAL LS AN O SEISMICALLY QUALIFIED NON -SAFETY RELATED MA SONR Y WALLS , REFER TO DCM T -3 1.

5. SAFETY RELATED EQUIPMENT ANO SYSTEMS SHALL NOT BE LOC ATED IN THE VICINITY ( WI TH IN A DISTANCE EQU AL TO TH E WALL HEIGH T ) OF' EXI STING NON- SAF'ETY RELA TED MASONRY \.IALLS UNL ESS APPROVED BY C I VI L ENGI NEER ING.

6. SEISMICALLY QU ALIFIED NON-SAFETY RELATED MASONRY WALLS ARE RELIED UPON TO SUPPORT SAFETY RELA TED MASONRY WALLS . QUALITY REQUIRE MENT S FO R MOD I F I CATION OF THESE WA LL S. INC LUDI NG STEEL SUPPORTING MEMBERS, SHALL BE THE SAME AS FOR DESIGN CL ASS I STRUCTUR ES.

DETA IL I 7. SEISMIC ALLY QUAL I F I ED CEILI NG STRUC TURES , I NCL UDING CO NCRETE SLABS , META L DE CKS ANO SU PPORTI NG FRAM I NG ARE RELIED UPON TO LA TERALLY SUPPORT SAFETY RELATED MAS ONRY WA LLS AND ARE SEISMICALLY QUALI F IED TO THE REQU I REM EN TS OF DC M T - 31 . QUALITY REQUIRE MENTS FO R MOD I FICA T ION OF THESE STRUCTURES SHALL BE THE SA ME AS FOR DESIGN CLASS I STRUCT URES .