ML19259B105

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Forwards Copies of Logic Diagrams (Exhibits 1A-1F) for Augmented Safety/Relief Valve Compressed Air Sys.W/Encl Oversized Drawings
ML19259B105
Person / Time
Site: Shoreham File:Long Island Lighting Company icon.png
Issue date: 01/04/1979
From: Novarro J
LONG ISLAND LIGHTING CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
SNRC-354, NUDOCS 7901160172
Download: ML19259B105 (6)
v • d • e


Text

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              ,   ,     .m.       ,       P.O. BOX 618, NORTH COUNTRY ROAD + WADING RIVER. N.Y.11792 January 4, 1979                                                        SNRC-354 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C.             20555 SHOREHAM NUCLEAR POWER STATION - UNIT 1 DOCKET NO. 50-322

Dear Mr. Denton:

Enclosed are fifteen (15) copies of Logic Diagrams (Exhibits lA - 1F) for the augmented safety / relief valve compressed air system. The Shoreham SRV air supply system is described in our letters SNRC-296 dated June 9, 1978 (Enclosure 2, Attachment 17-A), and SNRC-305 dated July 21, 1978 (Item 3 and Figure 3-1). Very truly yours, x ( 7 - 41 vc i J. P. Noyarro, Project Manager Shoreham Nuclear Power Station JPM/cl Encl. 7 90116 0 /7M [U II _ .... a 

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                                           !/I          ' LCW LEVEL i < 370.75" -9 (   ]og I--

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                                                /      I DRYuELL PRESSURE           -D     i               PB-SR
                                           \               H I GH >     2 PSIG                             I P50%MOV 105A l

MANUAL OVERRIDE L___ _ _ _ _ NOTES: SRV A IR HEADER 'A' INBOARD l

1. MINUAL CVERRICI LOGIC PROVIDED TO ALLOW MANUAL OPERATION FROM THE CONTROI ROOM FOLLOWi>3 A LOS$ OF A IR PRESSURE OR LOC A AC TUA TI ON, AND AUTOM41 tC RESET ON A SUBSEQUENT LOSS OF AIR PRES $URE OR LOCA ACTUATION.
2. SRV A IR HEADER "A" INBCARD ISOLATION VALVE IP50
  • MOVl05A SH0wN, SRV AIR HEADER "B" INBOARD ISOLATION valve IP50*H0V1058 SIMILAR EXCEPT THA f RDIOTE SHUTDOWN CONTROLS ARE NOT PROVIDED.
3. DURING AUTO OPERATION MOTOR THERHAL OtERLCAD INTERLOCK (NOT SHowN) IS BYPASSED BY THE ACCIDENT SIGNAL. DURING MANUAL OPERATION FROM THE CONTROL ROOM NOTCR THERMAL OVERLCAD INTERLOCK MAY BE BYPASSED 3Y NOLDING THE CONTROL SwlTCH I N TH E OPE N OR CLOSE POSITION UNTIL THE SIATUS LIGHTS WERIFf THAT THE VALVE HAS REACHED FULL TRtVEL.

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l_ _ _ __ _ _ SRV AIR HEADER "A" NORMA NOTES:

1. SRV A IR HEADER
  • A* NORMAL SUPPLY V ALVE IP50+Novil 3A SHOWN, SRf A IR HEADER *B" NORNAL SUPPLY valve lP50
  • H0Vil38 SlWILAR EXCEPT THAT REMOTE SHUTD0hN CONTROLS ARE NOT PROVIDED.

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CH fx Ctc5E SicNAL P2ESENT EXHlblT IC (NOTE I. EXH IBli IA) _5UPP.LY VALV E lPEO 4 MOV i l 3A___{N_0TE_kfH 15 SH E E T A ND NOTE 3. EYHIPIT IA) NUCLEAR SAFETY RELATED 0.A. CAT. I LOGIC DI AGRAM COMPWE55ED A IR SYSTEM SH0 REMAN NUCLEAR POWER STATION - UNIT I LONG ISLAND LIGHilNG COMPAFY aro=a a wanmese n=ne=ames=u ro e ro m a s son EXHIBIT ID ll 4

i i S OURC E CONDITION CONTROL ACTION 

                                                                /$W  lP50iHOV105A x   OPE N
                                                                /SW RSP TRANSFER g ENRGENCY S W -SR iP50+ tt0/105A OPEN SW RSP TRANSFER NORMAL EXHIBIT IA              IP50+ MOVl05A C9       -

AUTO y por s-CLOSE SIGNAL PRESENT) SRV AIR HEADER *A t SW i P50 t H0Vi l 3A CPEN SW RSP TRANSFER E E RSE NCY 

                                                               / SW-SR I P50 4 M0v il 3A
                                                               \OPEN SW RSP TRANSFER NOR HA L EXHlBIT IB              I O t M0V i l M                        -
                                     ' A UT O                             D  NOT
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SRV AIP HEADER "A t i 

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RESULTA KT MONITOR 

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R 1850 AMOVil3A Elf S OPE N \ CE C' R 

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D NORMAL SUPPLY VALVE IP50 e M0Vil3A (N)TE I, EXH! BIT 18 ) NUCLEAR SAFETY RELATED 0.A. CAT. I LOGIC DI AGRAM COMPRESSED A IR SYSTEM SHOREHAM NUCLEAR P0 welt STATION - UNIT I LONG ISLAND LIGHTING COMPANY mro=s a womeram maoinsemino coneonarson EXHIBIT IC ,

. i SOURCE CONDITION CONTROL ACTI Sw-S R IP504 NOVil 4A OPEN SW RSP TRANSFER EH R GENCY SW -SR IP50 f H0Vil 4A 0E N [SW 

                                                                                           \ RSP Ta ANS MORMA L f    th8 '  $ 01.A T I ON                            SW 33 J                             ' VV 1P5',= A0V105A            - -- -- D              RSP TRANSFER
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AND [ NCRMAL SUPPLY N j h- -- A 33 I WV IPSO 4MOVil5A 

                                                                                          /$w,3, dLJSED                                      ( I P50 + H0Vi l 4A
                                                                                            \ i, LOSE              _

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                                                                                             ' Sw RSP TRANSFER NORMA L SW -S R IP504 MOVil4A CLOS E NOTES:
1. SRY A it HEADER "A" EERGENCY SUPPL) VALVE IP50 + HOVilu SHOWN, SRV AIR HEADER *B" EMERGENCY SUPPLY 4ALVE IP50 + M0Vil4B SIMILAR EXCEPT THAT REMOTE SHUTDOWN CONTROLS ARE NOT PROVIDED.

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OPE N C) I ER - a D SRV A IR HEADER 'A' ENERENCY SUPPLY VALVE lP50 +MOVil4A (140TE 1, THIS SMEET AND NOTE 3, EXHIBIT l A) D Elf AND S 

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4 SOURC E HONITOR CONDITION CONTRO 

                                                 -B !IP5b-Pill 5 l              g    fi?.V A IR HDR
  • A" SW DIRECT - - - -
                                         - - - + - - - - - -      I EERGENCY SUPPLY                                             IP50* MC (NOTE 3)                                 \ PRESSURE                                                   OPEN
                                                                                                                           / SWRSP TRAN
                                                       /                                                                       EMERGE NC C             S RV A IR HDR
  • A" SW -S R IP50-p$ggig (NOTE 3)
                                      - - - -- --                     EMER SUPPLY PR            >                 (NOTE 1)      IP50* M0 OPE N LOW < 90 PSIG SW SRV AIR         asp ing IP50-                                      C           7                   "A.                    HDR  *A" l                '

5RV A IR HDR Nd NOR MA L PS i l 2A - - - - - - - - - - - +- NORMAL SUPPLY PR OR g (NOTE 4) (Low < 75 PSIG \ SW -S R IP50 A MOV CLOSE 4 \ SW C \ SRV AIR HEADEg RSP TRAN A D A /D 

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  • PR ES S UR E L 0w E ER GE NCY
                                                                      <         80 PS I G                                                 _

SW IP50 1MOV CLCEE SRV AIR H 

                                                                   / SRV AIR HEADER IP50 t                                              f PTilEA                                                   *A"    PRESSURE (NOTI 5)                                                          _
                                                                                                                           /SWRSP TRANS
                                                                                                                           \ EMERGENCY N0(ES:
1. C0dTROL ROCM CONTROL SWITCHES FOR IP50,tMOV103A AND 8 ARE EEYLOCKED IN THE "0 PEN" POSITION. SW RS P TR A NS
2. SRV AIR HEADER *A" OUTBOARD ISOLATION VALVE IP50 t MCyl03A Sr>V. SRV AIR HEADER *8' OUTBOARD NORMA L ISOLATION VALVE IP50*MOV1038 SIMILAR EXCEPT THAT REM 3TE SHUTD0'mN CUNTROLS ARE NOT PROVIDED.
3. MONITORING FOR SAFETY RELIEF VALVE AIR nEADER "A' EHERGENCY SUPPLY FRESSURE SHowN, MONITORING FOR SAFETY RELElf VALVE AIR HEADER "B" EtERGENCY SUPPLY PRESSURE SIMILAR.
4. MONITORING FOR SRY AIR HEADER "A" NORMAL SUPPLY PRESSURE SHOWN. MONITORING FOR SRV AIR HEADER
  • B* NORMA L SUPPLY PRES $URE S IMILAR.
5. MONITORING FOR SRV AIR HEADER "A" PRESSURE SHOWN. MONITORING FOR SRV AIR HEdDER '8" PRESSURE 13 SlWILAR EXCEPT THAT REMOTE SHUTE',wr. INDICATION IS NOT PROVIDED.
6. MOTOR THERMAL OVERLOAD INTERLOCK (NOT SHWN) MAY BE BYPASSED BY HOLDING THE CONTROL SwlTCH IN THE OPEN OR CLOSE POSITION UNTIL THE STATUS LIGHTS VERIFY THAT THE VALVE HAS REACHED FULL TRAVEL.

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[tst ADE R "A" OUTBCARD ISOLATION v4 Lyt IP50 4 Nov103A ' NOTE S 2 4 6}_ 

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Ct 3 NUC LEAR S A F E TY RE LA TE D Q. A . CA T. 1, 11, Ill LOGIC DIAWAN COMPRESSED AIR SYSTEM SHOREMAM NUCLEAR POWER STATION - UNIT I LonG ISL AND LIGHTING CGl#A NY e 

                                                                                              .....................co.~......           t EXHIBIT IE                   j

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. 1 J SOURCE HOMITOR CCNDITION CONTROL AC T x gg P50

  • MJv103A L

MOTOR 49 -- OV EliLCA D [IP50,Novl03A T.O. 

                                                                                               >j  20 SEC.

LOSS OF CONT PWR 491 ) I 

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                                                   - s             j/IP50       4 M0v1051 gg         e                                         f       MOTOR OV E R LOA D IP50
  • M0dl05A T.D.

gg T LOSS OF CONT PwA D 20 SEC. 

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  • M0V i l 3A
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[ MOTOR s CV ER LCA D lP50 A)40Vil3A T. D. gg 1 [LOSSOFC01TPWR - 20 SEC. 

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  • MoviI4A g9 o - - - - MOTOR
                                                                    \ CVERLOAD

[lP50

  • Movi14A T.O.

I LOSS Of CONT PWR s 

                                                                                               -    20 SEC.

Sd LOCAL TRANSFER 

                                                                                                      ' E K RGE NCY NOTES:
1. MONITORihG FOR SRV AIR HEADER "A" TROUBLE SHOWN, MONITORING FOR SRV AIR HEADER *B" TROUBL 3 IM I LA R.

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0. A . C AT. I, IIL LOGIC DI AGRAM CONNESSED A tt SYSTEM SHOREHAM NUCLFAR POWER STATION - UNIT I LONG ISLAND L!G1 TING CONPANY
                                 ,ome a wemmenn smosnummeno couromarsoa EXHIBIT IF                    ,
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