ML23241A749

7 to Updated Final Safety Analysis Report, Chapter 8, Figure 8.3-7, Drawing 437542, Sheet 1, Rev. 57, Electrical Single Line Meter & Relay Diagram 480 Volt System Bus Section 1G

ML23241A749
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 ML23241A087 ML23241A088 ML23241A089 ML23241A090 ML23241A091 ML23241A092 ML23241A093 ML23241A094 ML23241A095 ML23241A096 ML23241A097 ML23241A098 ML23241A099 ML23241A100 ML23241A101 ... further results
References
DCL-23-044
Download: ML23241A749 (1)

Text

THGIO

- L_ __.. F

4. 16KV

~USSECT"G" L.C. TRANSF'IG'

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..................................... t+:tl~l BUS LINK BUS "IGR"

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KEY DWG.

SECTION_I_C_

SYMBOLS

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CONTROLSTATION(LOCNO. INSIDEl

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~9~~~?~GSJ~~1g~ ru;~ ~~~0~Ml8E) 0 MOTOR WITH HP RATING G GROUPEDLOADWITHKVARATING 4Y1-FtR\\iERRAVNNGG OF BREAKER (SEE NOTE 3)

MATCH CIRCLE ~

CONTAINMENT PENETRATION WITH THIS 0\\riG 29E PEN NUMBER MOTOR STARTER, FULL VOLTAGE, NON-REVERSING SINGLE SPEED, WITHNEMASIZE 0

MOTOR STARTER, FULL VOLTAGE, REVERSING, SINGLE SPEED, WITHNEMASIZE MOTOR STARTER, FULL VOLTAGE, NON-REVEASING TWO-SPEEO, \\1/ITHNEMASIZE LOCAL STARTER WITH OVERLOAD DEVICE EXCEPT FOR HEATERS NOTES r

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EXISTING PRIMARY BREAKER

!)*BACK-UP DC PROTECTION BKR 1 LOCATED IN SWITCHGEAR SPGR TYPICAL BREAKER ARRANGEMENT FOR LOAD INSIDE CONTAINMENT I. ALL BREAKERS 25,000 A. J.C. (ASYMMETRICAL>

2. BKR52-IG-74 IS USED INPLACEOFBKR52-IG-33.

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• 6~~ ~~~T i~~o~~H~~~Al~~G~~i l ~9 ~~Ei~~~s 1 ~Nl~ '. 5 FOR "MAGNETIC" ONLY BREAKERS, THE RATINGS ARE SHOWN IN SETPOINTOATASHEET,

4. CIRCUITBREAKERWILLNOTSTAYCLOSED. ACCEPTED-AS-IS PER SAPN 50482895.

REFERENCES DWG NO.

I, LIST OF EQUIPMENT LOCATION CODES-------------- 067997

2. PURCHASE ORDER ____________ 4R-8803 lli 4R-41619, ITEM 28

3. RECORD DWG ---------------------------- 663336

4. CIRCUIT SCHEDULE (480¥ VITAL SYSTEM) ___________ 067997 5, DELETED

6. SCHEMATIC DIAGRAM 480V MCC GROUND DETECTION SYSTEM __ 437788

7. ARRG'T Si DIAGRAM OF CONN.

- ERFDS _____________ 445077 NUCLEAR SAFETY RELATED UNIT I SINGLELINEMETERANDRELAYDIAGRAM 480VOLTSYSTEMBUSSECTION IC 57