P&ID RHR. ACTUAL DRAWING NUMBER:12177-PID-31E-10

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ItOTES.

L 4(.L INITR(HENT ANO EOUIPHENI Nil(SERS TO SE PREFIXED V(TH')RHS EXCEPT Vt ERE A DIFFERENT PREFIX IS SHOWN AN

ASTERI5K (8) VILL ~ EPLACE TliE DASH I-I IN THE PREF,X FOREQUIPMENT OR INSTRUMENTS IHICH ARE PART OF NUCLEAR SAFETYFEATURES SYSTFH.CE IDENTIFICATION

NUMBERS

5 ARE SHOYN IN SQUARES (TO BEPREFIXED BY EI2 UNLE55 OTHERV(5E PREFIXED.I

! ALL IN5TftUMENT, TEST, DRAIN AND VENT CONNECTIONS ARE 3/4"EXCEPT AS No D.

5 ALL PIPING IS CLASS 311 UHLESS OTHERv!M NOTED.VALVE POSITIONS ARE SHO'JN FOR NORMAL OPERATION OF THE PLANT.THE svs'rTEH IS ON STAND-SV READY TO START RHS-LPCI HODE OFOPERATION.

6. ~ INDICATES D(55IHILAfl 11ETAL 1(ELDS.

7 THE ELEMENTS 2RHSQTE49A-D, IN AREA LEAKDETECIIDN IN5TRUME (TATIDN ~ 550C. WITH TH!5 SYSTEMARE shovh oh pm-szs s o.FOR PUHP PERFORMANCE CHARACTERISTICS SEE sex HFR'5NUMBER 16.310-8al 026.

'I. THE SOLENOID VALVE vITHIN THE AIR OPERATOR rx.ol ON2RH5%AOVI50 5HALL BE DISCON4ECTED AND REMOVED.A PERMANENTCONNECTIDN VITH A HANUAL BLOCK VALVE )ND VENT VALVE SHALLBE t(ADE FROM 145 To THE A(R LINE INTERNAL TO THE A.o.VH)CH LEAOI FROH THE REHOVEJ SOLENOID 10 THE AIR PISTON.THIS CONNEC ION VILL PERHIT PERIODIC FUNCTIONAL TESTING OF2RHSWAOVlsa IN ACCORDANCE V)TH THE ASHE Xt PROCRAH.

1! A312 TP)84 OR A376 TP384 SCH Sit STAINLESS STEEL . (PEN)PPLES SHALL SE USED To CONNECT THIS VALVE To THECLA)5 661 ANO 15th PIP(rlc.

IL THIS INSTIIUHENT REOU:RES SEISMIC OUALIFICAIION AND HA/ BEPURCHASED, INSTALLED, TESTED A'!'1 CA!Is'IATEO TO

UALITY ASSURANCE CATEGORY it .'UIREHENr11. DELETED

I! N tNOICATE5 EOUIPtlENT OR INSTRUMENT SUPPLIED BY CE-NED.It. LINES FR()H RELiEF VALVES TO SLOPE Dovrli(ARD CONTINUOUSLY

0 51(PPRE)510N POOL I/4" PER FOOT MINIMUM.ROUTE vENT AND DRAIN Lit Es TO FUNNELS LOCATEO INLOV RADIATION AREAS AND LOCATE VAL1(E5 AS CLOSE A5POSSIBLE To DRAIN Fl hNELS 11HERE NOTtD.

IL THESE LEVEL SWITCHES ARE PROVIDED WITH A I" H4PtCONNECTION AND ARE TO BE HOUNTED IN (HE RI)N OF ATEE I~ THE DIRECTION OF FLOW.

17. NO FLAG XHQVN GN CORRXIPQND(NG DQCUHENT.COORDINATES P(IQYIDE INTERFACE LOCATIOH.

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piigg~ NUCLEAR STATION - UNIT 2SCR)BA, N.Y.

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