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{{#Wiki_filter:~0%&#xc3;p rg p ao c)tM Av TM p<Sv pp pg'p(r), ovlp'3Q R fg (m C7 m g INSTRUCT 1EHT 1.GASEOUS RADMASTE SYSTEM a.Noble Gas Activity Monitor-Providing Alarm and Automatic Termination of Release RU-12 b.Flow Rate Monitor CHANNEL SOURCE CHANNEL CHECK CHECK CALIBRATION P(7)R(3)N.A.CHANNEL MODES IN WHICH FUNCTIONAL SURVEILLANCE TEST IS RE UIRED g(1), (2), P)CIAO 8.g, PIIIIII TABLE 4.3-8 RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMEHTATIOH SURVEILLANCE RE UIREHEHTS 2.GASEOUS RADMASTE SYSTEM ENPLOSIVE GAS MONITORING SYSTEM LD a.Oxygen Monitor (Surge tank)0 b.Oxygen Monitor (Maste gas header)0 H.A.H.A.q(4)9(4)M m CD CD 4J C7l TAOLE 4.3-8 (Continued)
{{#Wiki_filter:fg TABLE 4.3-8
RADIOACTIVE GASEOUS EFFLUENT HOHITORIHG INSTRUHENTATION SURVEILLANCE RE UIREHENTS U INSTRUHEHT 3.CONDENSER EVACUATIOH SYSTEM (RU-141 and RU-142)CHANNEL CIIECK SOURCE CHANNEL CHECK CALIBRATION CHANNEL HODES IH WHICH FUHCTIOHAL SURVEILLANCE TEST IS RE UIRED*a.Noble Gas Activity Monitor'.Iodine Sampler c.Particulate Sampler d.Flow Rate Honitor e.Sampler Flow Rate Heasuring Device D(5)N.A.N.A.D(6)D(6)N.A.N.A.N.A.H.A.N.A.N.A.N (7)R(3)Q(2)H.A.N.A.Q 3 IR IIC 4 4*%*3 IRK*4**3IC 3 A**4***3 A**4IR'A3R 3***4***C)4.PLANT VENT SYSTEH (RU-143 and RU-144)a.Noble Gas Activity Honitor b.Iodine Sampler c.Particulate Sampler d.Flow Rate Monitor e.Sampler Flow Rate Measuring Device D(5)H.A.H.A.D(6)D(6)H.A.H.A.H.A.N.A.N.A.NA.'M ($R(3)Q(2)N.A.N.A.
~   0%
0  
    &#xc3;prg p   (
', TABLE 4.3-8 (Continued)
m RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMEHTATIOH SURVEILLANCE RE UIREHEHTS ao c)tM C7 m
RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS INSTRUMENT 3.CONDEHSER EVACUATIOH SYSTEM (RU-141 and RU-142)a.Hobl e Gas Acti v i ty Moni tor b.Iodine Sampler c.Particulate Sampler d.Flow Rate Monitor e.Sampler Flow Rate Measuring Device 4.PLANT VENT SYSTEM (RU-143 and RU-144)D(5)I M (7)R(3)H.A.N.A.D(6)D(6)N.A.H.A.N.A.N.A.N.A.H.A.CHANNEL SOURCE CHANNEL CHECK CHECK CALIBRATION q(2)H.A.N.A.]2 3k*A 3 A*IIC 1 2 3k**33RIII'A 3)RARA 4*RA O 4m X)R: Q'z 4*)II*Xl 4***Q I 4~~*tTl U m I t:.~M CHANNEL MODES IN NILICH FUNCTIONAL SURVEILLANCE TEST IS RE UI RED a.Noble Gas Activity Monitor b.Iodine Sampler c.Particulate Sampler d.Flow Rate Monitor~e.Sampler Flow Rate Measuring Device D(5)H.A.N.A.D(6)D(6)H.A.H.A.H.A.N.A.H.A.N.A.M ('7)R(3)0(2)N.A.H.A.
Av TM CHANNEL        MODES  IN WHICH CHANNEL    SOURCE    CHANNEL      FUNCTIONAL        SURVEILLANCE p<
Sv   g  INSTRUCT 1EHT                                CHECK      CHECK  CALIBRATION        TEST            IS RE UIRED pp pg
'p(r) ovlp
: 1. GASEOUS RADMASTE SYSTEM
  '3Q              a. Noble Gas Activity Monitor-R Providing Alarm and Automatic Termination of Release RU-12                   P(7)     R(3)           g(1), (2), P)CIAO   8.
: b. Flow Rate  Monitor                              N.A.                      g, PIIIIII
: 2. GASEOUS   RADMASTE SYSTEM ENPLOSIVE GAS MONITORING SYSTEM LD       a. Oxygen Monitor (Surge tank)         0         H.A.      q(4)
: b. Oxygen Monitor (Maste gas header)     0         H.A.     9(4)             M m
CD CD 4J C7l
 
U TAOLE 4.3-8 (Continued)
RADIOACTIVE GASEOUS EFFLUENT HOHITORIHG INSTRUHENTATION SURVEILLANCE RE UIREHENTS CHANNEL      HODES IH WHICH CHANNEL      SOURCE      CHANNEL    FUHCTIOHAL      SURVEILLANCE INSTRUHEHT                               CIIECK      CHECK    CALIBRATION      TEST          IS RE UIRED
: 3. CONDENSER EVACUATIOH SYSTEM (RU-141 and RU-142) 4 4*%*
: a. Noble Gas Activity Monitor       D(5)         N (7)    R(3)           Q(2)               3 IR IIC
      '. Iodine Sampler                    N.A.         N.A.       N.A.           H.A.               3 IRK* 4**3IC A** 4***
: c. Particulate Sampler              N.A.         N.A.       N.A.           N.A.               3 A** 4IR'A3R
: d. Flow Rate  Honitor                D(6)        N.A.                                        3
: e. Sampler Flow Rate Heasuring      D(6)        H.A.                      Q                3 *** 4***
Device
: 4. PLANT VENT SYSTEH (RU-143 and RU-144)
: a. Noble Gas Activity Honitor       D(5)          M ($      R(3)          Q(2)
: b. Iodine Sampler                   H.A.         H.A.       N.A.           N.A.
: c. Particulate Sampler              H.A.         H.A.       N.A.           N.A.
: d. Flow Rate Monitor                D(6)         H.A.
D(6)        NA.     '
: e. Sampler Flow Rate Measuring Device C)
 
0 TABLE 4. 3-8 (Continued)
RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS CHANNEL      MODES  IN NILICH CHANNEL      SOURCE      CHANNEL    FUNCTIONAL    SURVEILLANCE INSTRUMENT                                 CHECK        CHECK    CALIBRATION      TEST        IS  RE  UI RED
: 3. CONDEHSER EVACUATIOH SYSTEM (RU-141 and RU-142)
I
: a. Hobl e Gas Acti v i ty Moni tor   D(5)         M (7)     R(3)           q(2)        ]  2  3k*A 4*RA O
: b. Iodine Sampler
: c. Particulate Sampler H.A.         N.A.       N.A.           H.A.               3 A*IIC  4m X)R:
3k** 4*)II*
                                                                                                                              'z Q
N.A.         H.A.       H.A.           N.A.       1  2 Xl
: d. Flow Rate Monitor                  D(6)         N.A.                                         33RIII'A 4*** Q I
: e. Sampler Flow Rate Measuring        D(6)        N.A.                                          3)RARA  4~~*
Device                                                                                                            tTl U
m
: 4. PLANT VENT SYSTEM                                                                                                  I (RU-143 and RU-144)                                                                                                  t:.
                                                                                                                            ~ M
: a. Noble Gas   Activity Monitor       D(5)          M ('7)    R(3)          0(2)
: b. Iodine Sampler                     H.A.         H.A.       H.A.           N.A.
: c. Particulate Sampler                N.A.         H.A.       N.A.           H.A.
: d. Flow Rate Monitor                  D(6)        H.A.
      ~
: e. Sampler Flow Rate Measuring        D(6)         N.A.
Device
 
h,~
h,~
1 TABLE 4.3-8 RADIOACTIVE GASEOUS EFFLUEHT MONITORING IHSTRUMENTATIOH SURVEILLANCE RE UIREMENTS CD ITl INSTRUMENT 1.GASEOUS RADWASTE SYSTEM CkkAHHEL CklECK SOURCE CHANNEL CRECK CALIBRATION CHANNEL MODES IN WkkICkk FUNCTIONAL SURVEILLANCE TEST IS RE UIRED a.Noble Gas Activity Monitor-Providing Alarm and Automatic Termination of Release RU-12 b.Flow Rate Monitor 2.GASEOUS RADWASTE SYSTEM EXPLOSIVE GAS MONITORING SYSTEM LD a.Oxygen Monitor (surge tank)D b.Oxygen Monitor (waste gas header)0 H.A.N.A.g(4)0(4)P(V)R(3)N.A.g(1),(2),P&#xb9;&#xb9;&#xb9;
1 TABLE 4.3-8 RADIOACTIVE GASEOUS EFFLUEHT MONITORING IHSTRUMENTATIOH SURVEILLANCE RE UIREMENTS CD ITl CHANNEL     MODES IN WkkICkk CkkAHHEL    SOURCE    CHANNEL    FUNCTIONAL     SURVEILLANCE INSTRUMENT                                CklECK      CRECK  CALIBRATION      TEST         IS RE UIRED
&#xb9;g,P&#xb9;&#xb9;&#xb9;&#xb9;A O Z 0 m U I r (m TABLE 4.3-8 (Continued)
: 1. GASEOUS RADWASTE SYSTEM
RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS c=INSTRUMENT 5.FUEL BUILDING VENTILATION SYSTEM (RU-145 and RU-146)a.Noble Gas Actvity Monitor b.Iodine Sampler c.Particulate Sampler d.Flow Rate Monitor CHANNEL CftECK D(5)H.A.H.A.D(6)N ('EI)R(3)H.A.N.A.N.A.N.A.H.A.SOURCE CHANNEL CIIECK CALIBRATION CHANNEL MODES IH NILICH FUNCTIONAL SURVEILLANCE TEST IS RttSEIEEE Q(2)N.A.H.A.EA I I e.Sampler Flow Rate Measuring Device D(6)N.A.U UJ 1 T 0 I WV e t
: a. Noble Gas Activity Monitor-Providing Alarm and Automatic Termination of Release RU-12                     P(V)     R(3)         g(1),(2),P&#xb9;&#xb9;&#xb9;     &#xb9;           A O
~'ONTROLLED BY USE TABLE 4.3-8{Continued)
: b. Flow Rate Monitor                              N.A.                    g,P&#xb9;&#xb9;&#xb9;           &#xb9;           Z
TABLE NOTATIONS At all times.During GASEOUS RAOWASTE SYSTEM operation.
: 2. GASEOUS RADWASTE SYSTEM                                                                                   0 EXPLOSIVE GAS MONITORING SYSTEM LD      a. Oxygen Monitor (surge tank) m
Whenever the condenser air removal system is in operation, or whenever turbine glands are being supplied with steam from sources other than the auxiliary boiler(s).
: b. Oxygen Monitor (waste gas header)
During waste gas release.During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.NIP Functional test should consist of, but not be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.
D 0
'1)The CHANNEL FUNCTIONAL TEST shall also demonstr ate that automatic isolation of this pathway occurs if the instrument indicates measured levels above the alarm/trip setpoint.(2)(3)The CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation.occurs if any of the following conditions exists: 1.Instrument indicates measured levels above the alarm setpoint.2.Circuit failure.3.Instrument indicates a downscale failure.4.Instrument controls not set in operate mode.The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS)or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS.These standards shall permit calibrating the system over its intended range of energy and measurement range.For subsequent CHANNEL CALIBRATIOH, sources that have been related to the initial calibration shall be used.(4)The CHANNEL CALIBRATION shall include the use of standard gas samples containing a nominal: 1.One volume percent oxygen, balance nitrogen, and 2.Four volume percent oxygen, balance nitrogen.(6)(7)The channel check for channels in standby verification that the channel is"on-line Daily channel check not required for flow LED may 4a ufillzeot QE%he c.heck Sour ce of increased radio>~+ivi<p'tatus shall consist of and reachable." mon'itors ln standby status.Source in item a'Fa PALO VERDE-UNIT 2 3/4 3-72 AMEHDMEHT HO.23 0~e~~4 q g~~~II\~I I t o a~~4 1~~
H.A.
TABLE 4.3-8 RADIOACTIVE GASEOUS EFFLUEHT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS Ill X7 C7 m IHSTRUMEHT 1.GASEOUS RADMASTE SYSTEM CHANNEL SOURCE CHANNEL CHECK CHECK CALIBRATION CHANNEL FUNCTIONAL TEST MODES IN MHICH SURVEILLANCE IR REIREIRED'R bJ i~2 ,i r~I Ol a.Hoble Gas Activity Monitor-Providing Alarm and Automatic Termination of Release RU-12 ,b.Flow Rate Monitor P GASEOUS RADMASTE SYSTEM EXPLOSIVE GAS MOHITORIHG SYSTEM a.Oxygen Monitot (Surge Tank)0 b.Oxygen Monitor (Maste Gas Header)D N.A.,N.A.Q(4)Q(4)P('7)R(3)H.A.Q(1), (2), PNH'Q, PtI'tItI A 0 Z R XI 0 lg TABLE 4.3-8 (Continued)
N.A.
RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMENTS (m C7 m g IHSTRUMEHT 3.COHDENSER EVACUATION SYSTEM (RU-141 and RU-142)CHANNEL SOURCE CHANNEL CllECK CHECK CALIBRATIOH CHANNEL MODES IH MlICH FUNCTIONAL SURVEILLANCE TEST IS RE VIREO tA I CO 4.'.Noble Gas Activity Monitor b.Iodine Sampler.c.Particulate Sampler d.Flow Rate Monitor e.Sampler Flow Rate Measuring Device PLANT VENT SYSTEM (RU-143 and RU-144)a.Noble Gas Activity Monitor b..Iodine Sampler c.Particulate Sampler d.Flow Rate Monitor e.Sampler Flow Rate Measuring Device D(5)H.A.H.A.D(6)D(6)D(5)H.A.H.A.D(6)D(6)H.A.N.A.H.A.H.A.H.A.H.A.M(7)R(3)H.A.H.A.H.A.H.A.N.A.R H.A.R M (7)R(3)Q(2)N.A.H.A.Q(2)N.A.N.A.2 3'A*IIC 3%*Ill 3*III*3**4 3 IR*A'Illa'*A 43L'IR*O I 4*3ll*XI 4*II:*O I 4*~~tTI U m 0)e CD A
g(4) 0(4)
I U
r
 
TABLE 4.3-8 (Continued)
TABLE 4.3-8 (Continued)
RADIOACTIVE GASEOUS EFFLUEHT MONITORING INSTRUMEHTATIOH SURVEILLANCE RE UIREMENTS Q I'D C D DI (m C7 m IHSTRUMEHT 5.FUEL BUILDING VENTILATIOH SYSTEM (RU-145 and RU-146)a.Noble Gas Actvity Monitor b.Iodine Sampler c.Particulate Sampler d.Flow Rate Monitor e.Sampler Flow Rate Measuring Device D(5)D M (7)R(3)H.A.N.A.D(6)D(6)N.A.H.A.N.A.H.A.H.A.H~A.N.PL H.A.CHANNEL MODES IN WHICH CHANNEL SOURCE CHANNEL FUHCTIOHAL SURVEILLANCE CITDCK TIIICK CAIIDAAIIDD.
(
TDAT.Il AIITIIIAID
m RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS CHANNEL      MODES  IH NILICH CHANNEL      SOURCE        CHANNEL  FUNCTIONAL    SURVEILLANCE c=  INSTRUMENT                                CftECK      CIIECK    CALIBRATION    TEST        IS RttSEIEEE
~1~O C I'D AD~1 p~'D~,t'~rn C7 rn Itg e'P CONTROLLED BY US/TABLE 4.3-8 (Contin'ued)
: 5. FUEL BUILDING VENTILATION SYSTEM (RU-145 and RU-146)
TABLE NOTATIONS*At all times.&#xb9;(2)(3)During GASEOUS RADWASTE SYSTEM operation.
: a. Noble Gas Actvity Monitor         D(5)          N ('EI)    R(3)        Q(2)
Whenever the condenser air removal system is in operation, or whenever turbine glands are being supplied with steam from sources other than the auxi 1 iary.boil er (s).During waste gas release.During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.Functional test should consist of, but not'be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.
: b. Iodine Sampler                     H.A.        H.A.        N.A.        N.A.
The CHANNEL FUNCTIONAL TEST shall also demonstrate that automatic isolation of this pathway occurs if the instrument indicates measured levels above the alarm/trip setpoint.The CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation occurs if any of the following conditions exists: 1.Instrument indicates measured levels above the alarm setpoint.2.Circuit failure.3.Instrument indicates a downscale failure.4.Instrument controls not set in operate mode.The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS)or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS.These standards shall permit calibrating the system over its intended range of energy and measurement range.For subsequent CHANNEL CALIBRATIOH, sources that have been related to the initial calibration shall be used.(4)The CHANNEL CALIBRATIOH shall include the use of standard gas samples containing a nominal: 1.One volume percent oxygen, balance nitrogen, and 2.Four volume percent oxygen, balance nitrogen.(6)(7)The channel check for channels in standby verification that the channel is"on-line Daily channel check not req'uired for flow LEL)may 6e uf)l)Beg>s%he ch<<h'ource aF iricreased raolioackirHf.
: c. Particulate Sampler               H.A.        N.A.        H.A.        H.A.
status shall consist of and reachable." monitors in standby status.SoqrcQ lO CI8lA nF~PALO VERDE-UNIT 3 3/4 3-72 AMEHDMEHT NO.12 V 4 il~~y~11~,, y,~q 1 s~/I y 4~~1 1~4=h,'l~l e~lf a~I lk U 0 (m TABLE 4.3-8 (Continued)
: d. Flow Rate Monitor                 D(6)        N.A.
RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATIOH SURVEILLANCE RE UIREMENTS~~l c=INSTRUMENT 5.FUEL BUILDING VEHTILATIOH SYSTEM (RU-145 and RU-146)CHANNEL SOURCE CHANNEL CHECK CHECK CALIBRATION CHANNEL MODES IH WHICH FUNCTIONAL SURVEILLANCE TE I EE REIEEIREE a.Noble Gas Actvity Monitor b.Iodine Sampler c.Particulate Sampler d.Flow Rate Monitor e.Sampler Flow Rate Measuring Device D(5)N.A.N.A.D(6)D(6)N.A.N.A.H.A.N.A.H.A.H.A.N ('0 R(3)Q(2)N.A.N.A.  
EA I      e. Sampler Flow Rate Measuring       D(6)        N.A.
I          Device U
UJ
 
1 T 0
I e
WV t
 
~
  'ONTROLLED                                      BY USE TABLE  4.3-8 {Continued)
TABLE NOTATIONS At  all  times.
During  GASEOUS RAOWASTE SYSTEM    operation.
Whenever the condenser    air  removal system is in operation, or whenever turbine glands are being supplied with      steam from sources other than the auxiliary boiler(s).
During waste gas release.
During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.
NIP Functional test should consist of, but not be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.
The CHANNEL FUNCTIONAL TEST shall also demonstr ate that automatic isolation
                                                                                        '1) of this pathway occurs    if  the instrument indicates measured levels above the alarm/trip setpoint.
(2) The  CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation .occurs    if any of the following conditions exists:
: 1. Instrument indicates measured levels above the alarm setpoint.
: 2. Circuit failure.
: 3. Instrument indicates a downscale failure.
: 4. Instrument controls not set in operate mode.
(3) The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS) or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS. These standards shall permit calibrating the system over its intended range of energy and measurement range. For subsequent CHANNEL CALIBRATIOH, sources      that  have been related to the initial calibration shall be used.
(4) The CHANNEL CALIBRATION shall include the        use of standard  gas samples containing a nominal:
: 1. One volume  percent oxygen, balance nitrogen, and
: 2. Four volume percent oxygen, balance nitrogen.
The channel    check for channels in standby            shall consist of verification    that the channel is "on-line    and reachable."
(6)  Daily channel check not required for flow mon'itors ln standby status.
(7) LED may 4a ufillzeot QE          %he c.heck Source in item a'Fa radio>~+ivi<p'tatus Sour ce    of increased PALO VERDE  -  UNIT 2                3/4 3-72                      AMEHDMEHT HO. 23
 
I 0              ~  e ~
                      \ ~
I
  ~ 4 q g ~ ~ ~  II t  o a ~ ~ 4  1~ ~
 
TABLE 4.3-8 RADIOACTIVE GASEOUS EFFLUEHT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS Ill X7 C7 m                                                                                  CHANNEL        MODES  IN MHICH CHANNEL    SOURCE    CHANNEL      FUNCTIONAL      SURVEILLANCE IHSTRUMEHT                                CHECK      CHECK  CALIBRATION        TEST          IR  REIREIRED
: 1. GASEOUS RADMASTE SYSTEM
: a. Hoble Gas Activity Monitor-Providing Alarm and Automatic                                                                        A Termination of Release RU-12                    P('7)                    Q(1), (2), PNH' R(3) 0
              ,b. Flow Rate Monitor                  P          H.A.                      Q, PtI'tItI Z  R
'R XI i    ~
bJ 2    GASEOUS RADMASTE SYSTEM                                                                                  0
,i            EXPLOSIVE GAS MOHITORIHG SYSTEM r  ~  I Ol
: a. Oxygen Monitot (Surge Tank)        0          N.A.      Q(4)
: b. Oxygen Monitor (Maste Gas Header)  D        ,N.A.      Q(4)
 
lg TABLE 4.3-8 (Continued)
(
m RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE  RE UIREMENTS C7 m                                                                                  CHANNEL      MODES  IH MlICH CHANNEL      SOURCE    CHANNEL      FUNCTIONAL      SURVEILLANCE g  IHSTRUMEHT                                CllECK      CHECK  CALIBRATIOH      TEST          IS RE VIREO
: 3. COHDENSER EVACUATION SYSTEM                                                                                Illa'*
(RU-141 and RU-142)
Noble Gas  Activity Monitor        D(5)         M (7)   R(3)           Q(2)            2  3'A*IIC A
: b. Iodine Sampler.                    H.A.        H.A.     H.A.            N.A.                 3 %*Ill 43L'IR*  O I
: c. Particulate Sampler                H.A.        N.A.      H.A.            H.A.                3*III* 4*3ll*
XI
: d. Flow Rate Monitor                  D(6)         H.A.                                          3**4 4*II:*      O tA                                                                                                                          I I
CO  4.'. e. Sampler Flow Rate Measuring Device D(6)         H.A.                                          3 IR*A' 4*~~
tTI U
m PLANT VENT SYSTEM (RU-143 and RU-144) 0)
: a. Noble Gas  Activity Monitor        D(5)          M(7)    R(3)            Q(2) b.. Iodine Sampler                    H.A.        H.A.     H.A.           N.A.
: c. Particulate Sampler                H.A.         H.A.     H.A.          N.A.
: d. Flow Rate Monitor                  D(6)          N.A.      R
: e. Sampler Flow Rate Measuring        D(6)          H.A.       R Device CD e
 
A Q I TABLE 4.3-8 (Continued)
RADIOACTIVE GASEOUS EFFLUEHT MONITORING INSTRUMEHTATIOH SURVEILLANCE
(
m RE UIREMENTS C7 m                                                                                  CHANNEL       MODES IN WHICH CHANNEL     SOURCE       CHANNEL   FUHCTIOHAL       SURVEILLANCE Il AIITIIIAID D
DI IHSTRUMEHT                                CITDCK       TIIICK     CAIIDAAIIDD. TDAT      .
: 5. FUEL BUILDING VENTILATIOH SYSTEM (RU-145 and RU-146)
: a. Noble Gas  Actvity Monitor        D(5)          M  (7)
D R(3)
                                                                                                                          ~   1
                                                                                                                        ~
O
: b. Iodine Sampler                    H.A.        N.A.        H.A.          N. PL
: c. Particulate Sampler                N.A.        H.A.        H~ A.        H.A.
'D C
: d. Flow Rate Monitor                  D(6)        N.A.                                                      C I
: e. Sampler Flow Rate Measuring        D(6)        H.A.
Device
  'D rn C7 AD ~
rn 1
p~
'D ~
,t'   ~
 
Itg e
      'P                         CONTROLLED BY US/
TABLE 4. 3-8 (Contin'ued)
TABLE NOTATIONS
* At all times.
During   GASEOUS RADWASTE SYSTEM     operation.
Whenever the condenser       air removal system is in operation, or whenever turbine glands are being supplied with               steam from sources other than the auxi 1 iary. boil er (s).
    &#xb9;    During waste gas release.
During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.
Functional test should consist of, but not'be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.
The CHANNEL FUNCTIONAL TEST shall also demonstrate that automatic isolation of this pathway occurs the alarm/trip setpoint.
if the instrument indicates measured levels above (2) The       CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation occurs       if any of the following conditions exists:
: 1. Instrument indicates measured levels above the alarm setpoint.
: 2. Circuit failure.
: 3. Instrument indicates a downscale failure.
: 4. Instrument controls not set in operate mode.
(3) The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS) or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS. These standards shall permit calibrating the system over its intended range of energy and measurement range.       For subsequent CHANNEL CALIBRATIOH, sources that have been related to the initial calibration shall be used.
(4) The CHANNEL CALIBRATIOH shall include the                     use of standard gas samples containing a nominal:
: 1. One volume   percent oxygen, balance nitrogen, and
: 2. Four volume percent oxygen, balance nitrogen.
The channel   check   for channels in standby status shall consist of verification that     the channel is "on-line and reachable."
(6) Daily channel check not req'uired for flow monitors in standby status.
(7) LEL)               6e uf)l)Beg >s %he                         SoqrcQ lO CI8lA nF ~
may aF iricreased raolioackirHf.
ch<<h'ource PALO VERDE     - UNIT 3                   3/4 3-72                                   AMEHDMEHT NO. 12
 
V il ~
    ~ y ~
4 11 ~,, y,
                    / ~ q I
1 y s e
4
                                              ~
                                                  ~ ~
1 1 ~ 4= h, 'l~ l
                          ~ lf a ~   I       lk       U
 
0 TABLE 4.3-8 (Continued) l
(
                                                                                                              ~
                                                                                                            ~
RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATIOH SURVEILLANCE RE UIREMENTS m
CHANNEL      MODES IH WHICH CHANNEL    SOURCE    CHANNEL      FUNCTIONAL    SURVEILLANCE c= INSTRUMENT                               CHECK      CHECK  CALIBRATION        TE I        EE REIEEIREE
: 5. FUEL BUILDING VEHTILATIOH SYSTEM (RU-145 and RU-146)
: a. Noble Gas Actvity Monitor       D(5)        N ('0    R(3)            Q(2)
: b. Iodine Sampler                   N.A.        N.A.      H.A.            N.A.
: c. Particulate Sampler               N.A.        N.A.      H.A.            N.A.
: d. Flow Rate Monitor                 D(6)        H.A.
: e. Sampler Flow Rate Measuring       D(6)       N.A.
Device
 
                        +ammol.c            c> s'y Us-r~
TABLE  4.3-8 (Continued)
TABLE NOTATIONS At  all times.
During  GASEOUS RADWASTE SYSTEM    operation.
Whenever the condenser    air  removal system is in operation, or whenever turbine  glands are being supplied with steam from sources other than the auxiliary boiler(s).
During waste gas release.
During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.
Functional test should consist. of, but'ot be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.
The CHANNEL FUNCTIONAL TEST      shall also demonstrate that automatic isolation of this pathway occurs if the instrument indicates      measured levels above the alarm/trip setpoint.
(2) The  CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation occurs      if any of the following conditions exists:
: 1. Instrument indicates measured levels above the alarm setpoint.
: 2. Circuit failure.
: 3. Instrument indicates a downscale failure.
: 4. Instrument controls not set in operate mode.
(3) The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS) or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS. These standards shall permit calibrating the system over its intended range of energy and measurement range.      For subsequent CHANNEL CALIBRATION, sources  that  have been related to the initial calibration shall be used.
(4)  The CHANNEL CALIBRATIOH shall      include the use of standard gas samples containing  a  nominal:
: 1. One volume    percent oxygen, balance nitrogen, and
: 2. Four volume percent oxygen, balance nitrogen.
The channel    check for channels in standby status shall consist of verification that the    channel is ".on-line and reachable."
(e) Daily channel check not required for flow monitors in standby status.
(7) i.EZ) ~ay he udiliz'ed as          %ha  check    soL{rce. Ill (I'eu of 8 So@roe    of noreased 'radloaokivikp PALO VERDE  -  UNIT 1                  3/4 3"72                  AMENDMEHT NO. 36


+ammol.c c>s'y Us-r~TABLE 4.3-8 (Continued)
      ~,
TABLE NOTATIONS (2)(3)At all times.During GASEOUS RADWASTE SYSTEM operation.
t'
Whenever the condenser air removal system is in operation, or whenever turbine glands are being supplied with steam from sources other than the auxiliary boiler(s).
    ~
During waste gas release.During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.Functional test should consist.of, but'ot be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.
I Ib}}
The CHANNEL FUNCTIONAL TEST shall also demonstrate that automatic isolation of this pathway occurs if the instrument indicates measured levels above the alarm/trip setpoint.The CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation occurs if any of the following conditions exists: 1.Instrument indicates measured levels above the alarm setpoint.2.Circuit failure.3.Instrument indicates a downscale failure.4.Instrument controls not set in operate mode.The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS)or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS.These standards shall permit calibrating the system over its intended range of energy and measurement range.For subsequent CHANNEL CALIBRATION, sources that have been related to the initial calibration shall be used.(4)The CHANNEL CALIBRATIOH shall include the use of standard gas samples containing a nominal: 1.One volume percent oxygen, balance nitrogen, and 2.Four volume percent oxygen, balance nitrogen.(e)(7)The channel check for channels in standby verification that the channel is".on-line Daily channel check not required for flow i.EZ)~ay he udiliz'ed as%ha check So@roe of>noreased'radloaokivikp status shall consist of and reachable." monitors in standby status.soL{rce.Ill (I'eu of 8 PALO VERDE-UNIT 1 3/4 3"72 AMENDMEHT NO.36
~, t'~I Ib}}

Latest revision as of 04:55, 4 February 2020

Proposed Tech Specs Adding Footnote to Tech Spec Table 4.3-8 Re Radioactive Gaseous Effluent Monitoring Instrumentation Surveillance Requirements,Allowing Use of Light Emitting Diodes as Check Sources for Four Noble Gas Monitors
ML17305B511
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 04/30/1991
From:
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17305B510 List:
References
NUDOCS 9105070317
Download: ML17305B511 (22)


Text

fg TABLE 4.3-8

~ 0%

Ãprg p (

m RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMEHTATIOH SURVEILLANCE RE UIREHEHTS ao c)tM C7 m

Av TM CHANNEL MODES IN WHICH CHANNEL SOURCE CHANNEL FUNCTIONAL SURVEILLANCE p<

Sv g INSTRUCT 1EHT CHECK CHECK CALIBRATION TEST IS RE UIRED pp pg

'p(r) ovlp

1. GASEOUS RADMASTE SYSTEM

'3Q a. Noble Gas Activity Monitor-R Providing Alarm and Automatic Termination of Release RU-12 P(7) R(3) g(1), (2), P)CIAO 8.

b. Flow Rate Monitor N.A. g, PIIIIII
2. GASEOUS RADMASTE SYSTEM ENPLOSIVE GAS MONITORING SYSTEM LD a. Oxygen Monitor (Surge tank) 0 H.A. q(4)
b. Oxygen Monitor (Maste gas header) 0 H.A. 9(4) M m

CD CD 4J C7l

U TAOLE 4.3-8 (Continued)

RADIOACTIVE GASEOUS EFFLUENT HOHITORIHG INSTRUHENTATION SURVEILLANCE RE UIREHENTS CHANNEL HODES IH WHICH CHANNEL SOURCE CHANNEL FUHCTIOHAL SURVEILLANCE INSTRUHEHT CIIECK CHECK CALIBRATION TEST IS RE UIRED

3. CONDENSER EVACUATIOH SYSTEM (RU-141 and RU-142) 4 4*%*
a. Noble Gas Activity Monitor D(5) N (7) R(3) Q(2) 3 IR IIC

'. Iodine Sampler N.A. N.A. N.A. H.A. 3 IRK* 4**3IC A** 4***

c. Particulate Sampler N.A. N.A. N.A. N.A. 3 A** 4IR'A3R
d. Flow Rate Honitor D(6) N.A. 3
e. Sampler Flow Rate Heasuring D(6) H.A. Q 3 *** 4***

Device

4. PLANT VENT SYSTEH (RU-143 and RU-144)
a. Noble Gas Activity Honitor D(5) M ($ R(3) Q(2)
b. Iodine Sampler H.A. H.A. N.A. N.A.
c. Particulate Sampler H.A. H.A. N.A. N.A.
d. Flow Rate Monitor D(6) H.A.

D(6) NA. '

e. Sampler Flow Rate Measuring Device C)

0 TABLE 4. 3-8 (Continued)

RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS CHANNEL MODES IN NILICH CHANNEL SOURCE CHANNEL FUNCTIONAL SURVEILLANCE INSTRUMENT CHECK CHECK CALIBRATION TEST IS RE UI RED

3. CONDEHSER EVACUATIOH SYSTEM (RU-141 and RU-142)

I

a. Hobl e Gas Acti v i ty Moni tor D(5) M (7) R(3) q(2) ] 2 3k*A 4*RA O
b. Iodine Sampler
c. Particulate Sampler H.A. N.A. N.A. H.A. 3 A*IIC 4m X)R:

3k** 4*)II*

'z Q

N.A. H.A. H.A. N.A. 1 2 Xl

d. Flow Rate Monitor D(6) N.A. 33RIII'A 4*** Q I
e. Sampler Flow Rate Measuring D(6) N.A. 3)RARA 4~~*

Device tTl U

m

4. PLANT VENT SYSTEM I (RU-143 and RU-144) t:.

~ M

a. Noble Gas Activity Monitor D(5) M ('7) R(3) 0(2)
b. Iodine Sampler H.A. H.A. H.A. N.A.
c. Particulate Sampler N.A. H.A. N.A. H.A.
d. Flow Rate Monitor D(6) H.A.

~

e. Sampler Flow Rate Measuring D(6) N.A.

Device

h,~

1 TABLE 4.3-8 RADIOACTIVE GASEOUS EFFLUEHT MONITORING IHSTRUMENTATIOH SURVEILLANCE RE UIREMENTS CD ITl CHANNEL MODES IN WkkICkk CkkAHHEL SOURCE CHANNEL FUNCTIONAL SURVEILLANCE INSTRUMENT CklECK CRECK CALIBRATION TEST IS RE UIRED

1. GASEOUS RADWASTE SYSTEM
a. Noble Gas Activity Monitor-Providing Alarm and Automatic Termination of Release RU-12 P(V) R(3) g(1),(2),P¹¹¹ ¹ A O
b. Flow Rate Monitor N.A. g,P¹¹¹ ¹ Z
2. GASEOUS RADWASTE SYSTEM 0 EXPLOSIVE GAS MONITORING SYSTEM LD a. Oxygen Monitor (surge tank) m
b. Oxygen Monitor (waste gas header)

D 0

H.A.

N.A.

g(4) 0(4)

I U

r

TABLE 4.3-8 (Continued)

(

m RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS CHANNEL MODES IH NILICH CHANNEL SOURCE CHANNEL FUNCTIONAL SURVEILLANCE c= INSTRUMENT CftECK CIIECK CALIBRATION TEST IS RttSEIEEE

5. FUEL BUILDING VENTILATION SYSTEM (RU-145 and RU-146)
a. Noble Gas Actvity Monitor D(5) N ('EI) R(3) Q(2)
b. Iodine Sampler H.A. H.A. N.A. N.A.
c. Particulate Sampler H.A. N.A. H.A. H.A.
d. Flow Rate Monitor D(6) N.A.

EA I e. Sampler Flow Rate Measuring D(6) N.A.

I Device U

UJ

1 T 0

I e

WV t

~

'ONTROLLED BY USE TABLE 4.3-8 {Continued)

TABLE NOTATIONS At all times.

During GASEOUS RAOWASTE SYSTEM operation.

Whenever the condenser air removal system is in operation, or whenever turbine glands are being supplied with steam from sources other than the auxiliary boiler(s).

During waste gas release.

During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.

NIP Functional test should consist of, but not be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.

The CHANNEL FUNCTIONAL TEST shall also demonstr ate that automatic isolation

'1) of this pathway occurs if the instrument indicates measured levels above the alarm/trip setpoint.

(2) The CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation .occurs if any of the following conditions exists:

1. Instrument indicates measured levels above the alarm setpoint.
2. Circuit failure.
3. Instrument indicates a downscale failure.
4. Instrument controls not set in operate mode.

(3) The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS) or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS. These standards shall permit calibrating the system over its intended range of energy and measurement range. For subsequent CHANNEL CALIBRATIOH, sources that have been related to the initial calibration shall be used.

(4) The CHANNEL CALIBRATION shall include the use of standard gas samples containing a nominal:

1. One volume percent oxygen, balance nitrogen, and
2. Four volume percent oxygen, balance nitrogen.

The channel check for channels in standby shall consist of verification that the channel is "on-line and reachable."

(6) Daily channel check not required for flow mon'itors ln standby status.

(7) LED may 4a ufillzeot QE %he c.heck Source in item a'Fa radio>~+ivi<p'tatus Sour ce of increased PALO VERDE - UNIT 2 3/4 3-72 AMEHDMEHT HO. 23

I 0 ~ e ~

\ ~

I

~ 4 q g ~ ~ ~ II t o a ~ ~ 4 1~ ~

TABLE 4.3-8 RADIOACTIVE GASEOUS EFFLUEHT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMEHTS Ill X7 C7 m CHANNEL MODES IN MHICH CHANNEL SOURCE CHANNEL FUNCTIONAL SURVEILLANCE IHSTRUMEHT CHECK CHECK CALIBRATION TEST IR REIREIRED

1. GASEOUS RADMASTE SYSTEM
a. Hoble Gas Activity Monitor-Providing Alarm and Automatic A Termination of Release RU-12 P('7) Q(1), (2), PNH' R(3) 0

,b. Flow Rate Monitor P H.A. Q, PtI'tItI Z R

'R XI i ~

bJ 2 GASEOUS RADMASTE SYSTEM 0

,i EXPLOSIVE GAS MOHITORIHG SYSTEM r ~ I Ol

a. Oxygen Monitot (Surge Tank) 0 N.A. Q(4)
b. Oxygen Monitor (Maste Gas Header) D ,N.A. Q(4)

lg TABLE 4.3-8 (Continued)

(

m RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMENTS C7 m CHANNEL MODES IH MlICH CHANNEL SOURCE CHANNEL FUNCTIONAL SURVEILLANCE g IHSTRUMEHT CllECK CHECK CALIBRATIOH TEST IS RE VIREO

3. COHDENSER EVACUATION SYSTEM Illa'*

(RU-141 and RU-142)

Noble Gas Activity Monitor D(5) M (7) R(3) Q(2) 2 3'A*IIC A

b. Iodine Sampler. H.A. H.A. H.A. N.A. 3 %*Ill 43L'IR* O I
c. Particulate Sampler H.A. N.A. H.A. H.A. 3*III* 4*3ll*

XI

d. Flow Rate Monitor D(6) H.A. 3**4 4*II:* O tA I I

CO 4.'. e. Sampler Flow Rate Measuring Device D(6) H.A. 3 IR*A' 4*~~

tTI U

m PLANT VENT SYSTEM (RU-143 and RU-144) 0)

a. Noble Gas Activity Monitor D(5) M(7) R(3) Q(2) b.. Iodine Sampler H.A. H.A. H.A. N.A.
c. Particulate Sampler H.A. H.A. H.A. N.A.
d. Flow Rate Monitor D(6) N.A. R
e. Sampler Flow Rate Measuring D(6) H.A. R Device CD e

A Q I TABLE 4.3-8 (Continued)

RADIOACTIVE GASEOUS EFFLUEHT MONITORING INSTRUMEHTATIOH SURVEILLANCE

(

m RE UIREMENTS C7 m CHANNEL MODES IN WHICH CHANNEL SOURCE CHANNEL FUHCTIOHAL SURVEILLANCE Il AIITIIIAID D

DI IHSTRUMEHT CITDCK TIIICK CAIIDAAIIDD. TDAT .

5. FUEL BUILDING VENTILATIOH SYSTEM (RU-145 and RU-146)
a. Noble Gas Actvity Monitor D(5) M (7)

D R(3)

~ 1

~

O

b. Iodine Sampler H.A. N.A. H.A. N. PL
c. Particulate Sampler N.A. H.A. H~ A. H.A.

'D C

d. Flow Rate Monitor D(6) N.A. C I
e. Sampler Flow Rate Measuring D(6) H.A.

Device

'D rn C7 AD ~

rn 1

p~

'D ~

,t' ~

Itg e

'P CONTROLLED BY US/

TABLE 4. 3-8 (Contin'ued)

TABLE NOTATIONS

  • At all times.

During GASEOUS RADWASTE SYSTEM operation.

Whenever the condenser air removal system is in operation, or whenever turbine glands are being supplied with steam from sources other than the auxi 1 iary. boil er (s).

¹ During waste gas release.

During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.

Functional test should consist of, but not'be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.

The CHANNEL FUNCTIONAL TEST shall also demonstrate that automatic isolation of this pathway occurs the alarm/trip setpoint.

if the instrument indicates measured levels above (2) The CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation occurs if any of the following conditions exists:

1. Instrument indicates measured levels above the alarm setpoint.
2. Circuit failure.
3. Instrument indicates a downscale failure.
4. Instrument controls not set in operate mode.

(3) The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS) or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS. These standards shall permit calibrating the system over its intended range of energy and measurement range. For subsequent CHANNEL CALIBRATIOH, sources that have been related to the initial calibration shall be used.

(4) The CHANNEL CALIBRATIOH shall include the use of standard gas samples containing a nominal:

1. One volume percent oxygen, balance nitrogen, and
2. Four volume percent oxygen, balance nitrogen.

The channel check for channels in standby status shall consist of verification that the channel is "on-line and reachable."

(6) Daily channel check not req'uired for flow monitors in standby status.

(7) LEL) 6e uf)l)Beg >s %he SoqrcQ lO CI8lA nF ~

may aF iricreased raolioackirHf.

ch<<h'ource PALO VERDE - UNIT 3 3/4 3-72 AMEHDMEHT NO. 12

V il ~

~ y ~

4 11 ~,, y,

/ ~ q I

1 y s e

4

~

~ ~

1 1 ~ 4= h, 'l~ l

~ lf a ~ I lk U

0 TABLE 4.3-8 (Continued) l

(

~

~

RADIOACTIVE GASEOUS EFFLUENT MONITORING INSTRUMENTATIOH SURVEILLANCE RE UIREMENTS m

CHANNEL MODES IH WHICH CHANNEL SOURCE CHANNEL FUNCTIONAL SURVEILLANCE c= INSTRUMENT CHECK CHECK CALIBRATION TE I EE REIEEIREE

5. FUEL BUILDING VEHTILATIOH SYSTEM (RU-145 and RU-146)
a. Noble Gas Actvity Monitor D(5) N ('0 R(3) Q(2)
b. Iodine Sampler N.A. N.A. H.A. N.A.
c. Particulate Sampler N.A. N.A. H.A. N.A.
d. Flow Rate Monitor D(6) H.A.
e. Sampler Flow Rate Measuring D(6) N.A.

Device

+ammol.c c> s'y Us-r~

TABLE 4.3-8 (Continued)

TABLE NOTATIONS At all times.

During GASEOUS RADWASTE SYSTEM operation.

Whenever the condenser air removal system is in operation, or whenever turbine glands are being supplied with steam from sources other than the auxiliary boiler(s).

During waste gas release.

During MODES 1, 2, 3 or 4 or with irradiated fuel in the fuel storage pool.

Functional test should consist. of, but'ot be limited to, a verification of system isolation capability by the insertion of a simulated alarm condition.

The CHANNEL FUNCTIONAL TEST shall also demonstrate that automatic isolation of this pathway occurs if the instrument indicates measured levels above the alarm/trip setpoint.

(2) The CHANNEL FUNCTIONAL TEST shall also demonstrate that control room alarm annunciation occurs if any of the following conditions exists:

1. Instrument indicates measured levels above the alarm setpoint.
2. Circuit failure.
3. Instrument indicates a downscale failure.
4. Instrument controls not set in operate mode.

(3) The initial CHANNEL CALIBRATION shall be performed using one or more of the reference standards certified by the National Bureau of Standards (NBS) or using standards that have been obtained from suppliers that participate in measurement assurance activities with NBS. These standards shall permit calibrating the system over its intended range of energy and measurement range. For subsequent CHANNEL CALIBRATION, sources that have been related to the initial calibration shall be used.

(4) The CHANNEL CALIBRATIOH shall include the use of standard gas samples containing a nominal:

1. One volume percent oxygen, balance nitrogen, and
2. Four volume percent oxygen, balance nitrogen.

The channel check for channels in standby status shall consist of verification that the channel is ".on-line and reachable."

(e) Daily channel check not required for flow monitors in standby status.

(7) i.EZ) ~ay he udiliz'ed as %ha check soL{rce. Ill (I'eu of 8 So@roe of noreased 'radloaokivikp PALO VERDE - UNIT 1 3/4 3"72 AMENDMEHT NO. 36

~,

t'

~

I Ib