ML081620049: Difference between revisions

From kanterella
Jump to navigation Jump to search
(Created page by program invented by StriderTol)
 
(StriderTol Bot change)
 
(4 intermediate revisions by the same user not shown)
Line 2: Line 2:
| number = ML081620049
| number = ML081620049
| issue date = 06/30/2008
| issue date = 06/30/2008
| title = Watts Bar Nuclear Plant, Unit 1, Technical Specifications, Issuance of Amendment Regarding Reactor Trip System and Engineered Safety Features Actuation System Completion Times, Bypass Test Times, and Surveillance Test Intervals (TAC MD5880)
| title = Technical Specifications, Issuance of Amendment Regarding Reactor Trip System and Engineered Safety Features Actuation System Completion Times, Bypass Test Times, and Surveillance Test Intervals
| author name = Milano P D
| author name = Milano P
| author affiliation = NRC/NRR/ADRO/DORL/WBSPB
| author affiliation = NRC/NRR/ADRO/DORL/WBSPB
| addressee name =  
| addressee name =  
Line 19: Line 19:


=Text=
=Text=
{{#Wiki_filter:RTS Instrumentation 3.3.1 I I ACTIONS (continued)
{{#Wiki_filter:RTS Instrumentation 3.3.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME C. One channel or train C.1 Restore channel or train to 48 hours inoperable.
CONDITION                       REQUIRED ACTION             COMPLETION TIME C. One channel or train   C.1         Restore channel or train to   48 hours inoperable.                         OPERABLE status.
OPERABLE status.OR C.2 Open RTBs. 49 hours D. One Power Range Neutron ------------------
OR C.2         Open RTBs.                   49 hours D. One Power Range Neutron ------------------ NOTE-- ---..--------
NOTE-- ---..--------
Flux-High channel       The inoperable channel may be inoperable,             bypassed for up to 12 hours for surveillance testing and setpoint adjustment of other channels.
Flux-High channel The inoperable channel may be inoperable, bypassed for up to 12 hours for surveillance testing and setpoint adjustment of other channels.D.1.1 Place channel in trip. 72 hours AND D.1.2 Reduce THERMAL POWER 78 hours to 75% RTP.OR D.2.1 Place channel in 72 hours trip.AND-----------------------
D.1.1       Place channel in trip.       72 hours AND I                                D.1.2       Reduce THERMAL POWER to *75% RTP.
NOTE ----------
78 hours I                                OR D.2.1       Place channel in             72 hours trip.
AND
                                - ---------------------- NOTE   ----------
Only required to be performed when the Power Range Neutron Flux input to QPTR is inoperable.
Only required to be performed when the Power Range Neutron Flux input to QPTR is inoperable.
D.2.2 Perform SR 3.2.4.2. Once per 12 hours OR D.3 Be in MODE 3. 78 hours (continued)
D.2.2       Perform SR 3.2.4.2.           Once per 12 hours OR D.3         Be in MODE 3.                 78 hours (continued)
Watts Bar-Unit 1 3.3-2.Amendment 68 i RTS Instrumentation 3.3.1 ACTIONS (continued)
Watts Bar-Unit 1                             3.3-2                           .Amendment 68 i
CONDITION REQUIRED ACTION COMPLETION TIME.E. One channel inoperable.  
 
-------- --------NOTE- ----The inoperable channel may be bypassed for up to 12 hours for surveillance testing of other channels.E.1 Place channel in trip. 72 hours OR E.2 Be in MODE 3. 78 hours F. THERMAL POWER > P-6. F.1 Reduce THERMAL POWER 2 hours and < P-10, one Intermediate to < P-6.Range Neutron Flux channel inoperable.
RTS Instrumentation 3.3.1 ACTIONS (continued)
OR F.2 Increase THERMAL 2 hours POWER to > P-10.G. THERMAL POWER> P-6 and G.1 Suspend operations Immediately,< P-10, two Intermediate involving positive reactivity Range Neutron Flux channels additions.
CONDITION                       REQUIRED ACTION             COMPLETION TIME.
E. One channel inoperable.     -------- --------NOTE-           ----
The inoperable channel may be bypassed for up to 12 hours for surveillance testing of other channels.
E.1     Place channel in trip.         72 hours OR E.2     Be in MODE 3.                 78 hours F. THERMAL POWER > P-6.         F.1   Reduce THERMAL POWER             2 hours and < P-10, one Intermediate       to < P-6.
Range Neutron Flux channel inoperable.                 OR F.2   Increase THERMAL                 2 hours POWER to > P-10.
G. THERMAL POWER> P-6 and     G.1     Suspend operations             Immediately,
      < P-10, two Intermediate             involving positive reactivity Range Neutron Flux channels           additions.
inoperable.
inoperable.
AND G.2 Reduce THERMAL POWER 2 hours to < P-6.H. THERMAL POWER,< P-6, H.1 Restore channel(s) to Prior to increasing one or two Intermediate OPERABLE status. THERMAL POWER Range Neutron Flux channels to > P-6 inoperable.(continued)
AND G.2     Reduce THERMAL POWER           2 hours to < P-6.
Watts Bar-Unit 1 3.3-3 Amendment 68 RTS Instrumentatidn 3.3.1 ACTIONS (continued)
H. THERMAL POWER,< P-6,         H.1     Restore channel(s) to         Prior to increasing one or two Intermediate               OPERABLE status.             THERMAL POWER Range Neutron Flux channels                                         to > P-6 inoperable.
CONDITION REQUIRED ACTION COMPLETION TIME M. One channel -----------------
(continued)
NOTE --- ------inoperable.
Watts Bar-Unit 1                             3.3-3                               Amendment 68
The inoperable channel may be bypassed for up to 12 hours for surveillance testing of other channels.M.1 Place channel in trip. 72 hours OR M.2 Reduce THERMAL POWER to 78 hours< P-7.N. One Reactor Coolant Flow-- -----NOTE -----------
 
Low channel inoperable.
RTS Instrumentatidn 3.3.1 ACTIONS (continued)
One channel may be bypassed for up to 12 hours for surveillance testing.N.1 Place channel in trip. 72 hours OR N.2 Reduce THERMAL POWER to 78 hours< P-7.(continued)
CONDITION                         REQUIRED ACTION             COMPLETION TIME M. One channel-----------------                   NOTE ---       ------
Watts Bar-Unit 1 3.3-5 Amendment 68 RTS Instrumentation 3.3.1 ACTIONS (continued)
inoperable.                 The inoperable channel may be bypassed for up to 12 hours for surveillance testing of other channels.
CONDITION REQUIRED ACTION COMPLETION TIME 0. One Low Fluid Oil Pressure --------NOTE------
M.1     Place channel in trip.         72 hours OR M.2     Reduce THERMAL POWER to         78 hours
Turbine Trip channel The inoperable channel may be inoperable, bypassed for up to 12 hours for surveillance testing of other channels.-------------------------------------------
                                            < P-7.
0.1 Place channel in trip. 72 hours OR 0.2 Reduce THERMAL POWER to 76 hours< P-9.P. One train inoperable.  
N. One Reactor Coolant Flow--           -----   NOTE     -----------
-------NOTE----------
Low channel inoperable.     One channel may be bypassed for up to 12 hours for surveillance testing.
One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.P.1 Restore train to OPERABLE 24 hours status.OR P.2 Be in MODE 3. 30 hours (continued)
N.1     Place channel in trip.         72 hours OR N.2     Reduce THERMAL POWER to         78 hours
Watts Bar-Unit 1 3.3-6 Amendment 68 RTS Instrumentation 3.3.1 ACTIONS (continued)
                                            < P-7.
CONDITION REQUIRED ACTION COMPLETION TIME Q. One RTB train inoperable.  
(continued)
-- NOTE-- --One train may be bypassed for up to 4 hours for surveillance testing, provided the. other train is OPERABLE.Q.1 Restore train to OPERABLE 24 hours status.OR Q.2 Be in MODE 3. 30 hours R. One channel inoperable.
Watts Bar-Unit 1                               3.3-5                             Amendment 68
R.1 Verify interlock is in required state 1 hour for existing unit conditions.
 
OR R.2 Be in MODE 3. 7 hours S. One channel inoperable.
RTS Instrumentation 3.3.1 ACTIONS (continued)
S.1 Verify interlock is in required 1 hour state for existing unit conditions.
CONDITION                                   REQUIRED ACTION                 COMPLETION TIME
OR S.2 Be in MODE 2. 7 hours (continued)
: 0. One Low Fluid Oil Pressure           --------                         NOTE------
I Watts Bar-Unit 1 3.3-7 Amendment 68 RTS Instrumentation 3.3.1 ACTIONS (continued)
Turbine Trip channel       The inoperable channel may be inoperable,               bypassed for up to 12 hours for surveillance testing of other channels.
CONDITION REQUIRED ACTION COMPLETION TIME T. One trip mechanism T.1 Restore inoperable trip 48 hours inoperable for one mechanism to OPERABLE RTB. status.OR T.2.1 Be in MODE 3. 54 hours AND T.2.2 Open RTB. 55 hours U. One Steam Generator Water -.....----------
0.1                Place channel in trip.              72 hours OR 0.2                  Reduce THERMAL POWER to            76 hours
NOTE--Level Low-Low channel One channel may be bypassed for up inoperable, to 12 hours for surveillance testing.U.1.1 Place channel in trip. 72 hours AND U.1.2 For the affected protection set, 72 hours set the Trip Time Delay (TS)to match the Trip Time Delay (TM).OR U.2 Be in MODE 3. 78 hours (continued) 1,i Watts Bar-Unit 1 3.3-8 Amendment 68 RTS Instrumentation 3.3.1 ACTIONS (continued)
                                                      < P-9.
CONDITION REQUIRED ACTION COMPLETION TIME V. One Vessel AT channel inoperable.
P. One train inoperable.                        -------               NOTE----------
One channel may be bypassed for up to 12 hours for surveillance testing.V.1 Set the Trip Time Delay 72 hours threshold power level for (TS)and (TM) to 0% power.OR V.2 Be in MODE 3. 78 hours W. One channel inoperable.  
One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.
-------------
P.1                Restore train to OPERABLE          24 hours status.
NOTE -----One channel may be bypassed for up to 12 hours for surveillance testing.W.1 Place channel in trip. 72 hours OR W.2 Be in MODE 3. 78 hours X. One channel inoperable.
OR P.2                  Be in MODE 3.                      30 hours (continued)
---NOTE -............
Watts Bar-Unit 1                                        3.3-6                                  Amendment 68
One channel may be bypassed for up to 12 hours for surveillance testing.X.1 Place channel in trip. 72 hours OR X.2 Reduce THERMAL POWER to 78 hours< P-7.(continued)
 
I I Watts Bar-Unit 1 3.3-9 Amendment 68 RTS Instrumentation 3.3.1.I ACTIONS (continued)
RTS Instrumentation 3.3.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME Y. One, two or three Turbine Y.1 Place channel(s) in trip. 72 hours Stop Valve Closure channels inoperable.
CONDITION                      REQUIRED ACTION                  COMPLETION TIME Q. One RTB train inoperable.            --       NOTE--         --
OR Y.2 Reduce THERMAL POWER to 76 hours< P-9.Z. Two RTS Trains inoperable Z.1 Enter LCO 3.0.3. Immediately SURVEI LLANCE REQUI REMENTS-----------------------
One train may be bypassed for up to 4 hours for surveillance testing, provided the. other train is I
NOTE -------------
OPERABLE.
-.....................----------------------
Q.1   Restore train to OPERABLE             24 hours status.
Refer to Table 3.3.1-1 to determine which SRs apply for each RTS Function.SURVEILLANCE FREQUENCY SR 3.3.1.1 Perform CHANNEL CHECK. 12 hours SR 3.3.1.2 -- -...............-------------
OR Q.2 Be in MODE 3.                           30 hours R. One channel inoperable. R.1  Verify interlock is in required state 1 hour for existing unit conditions.
NOES 1. Adjust NIS channel if absolute difference is > 2%.2. Required to be performed within 12 hours after THERMAL POWER is _> 15% RTP.Compare results of calorimetric heat balance calculation to 24 hours Nuclear Instrumentation System (NIS) channel output.(continued)
OR R.2 Be in MODE 3.                         7 hours S. One channel inoperable. S.1  Verify interlock is in required      1 hour state for existing unit conditions.
Watts Bar-Unit 1 3.3-10 Amendment 68 RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)
OR S.2 Be in MODE 2.                         7 hours (continued)
SURVEILLANCE FREQUENCY SR 3.3.1.3 ...................
Watts Bar-Unit 1                           3.3-7                                  Amendment 68
------- NOTES- ---1. Adjust NIS channel if absolute difference is > 3%.2. Required to be performed within 96 hours after THERMAL POWER is > 15% RTP.Compare results of the incore detector measurements to 31 effective full NIS AFD. power days (EFPD)SR 3.3.1.4 --.--..--.-.------..........
 
N O TE ...... .--This Surveillance must be performed on the reactor trip bypass breaker. prior.to-placing the bypass breaker in service.Perform TADOT. 62 days on a STAGGERED TEST BASIS SR 3.3.1.5 Perform ACTUATION LOGIC TEST. 92 days on a STAGGERED TEST BASIS SR 3.3.1.6 --------------  
RTS Instrumentation 3.3.1 ACTIONS (continued)
------ -------Required to be performed within 6 days after THERMAL POWER is _ 50% RTP.Calibrate excore channels to agree with incore detector 92 EFPD measurements.(continued)
CONDITION                        REQUIRED ACTION                COMPLETION TIME T. One trip mechanism        T.1        Restore inoperable trip        48 hours inoperable for one                    mechanism to OPERABLE RTB.                                  status.
Watts Bar-Unit 1 3.3-11 Amendment 68 RTS Instrumentation 3.3.1 I SURVEILLANCE REQUIREMENTS (continued)
OR T.2.1       Be in MODE 3.                   54 hours AND T.2.2     Open RTB.                       55 hours U. One Steam Generator Water -.....----------      NOTE--
SURVEILLANCE FREQUENCY SR 3.3.1.7 --------------------
Level Low-Low channel    One channel may be bypassed for up inoperable,              to 12 hours for surveillance testing.
NOTE --- ........---------------------
U.1.1     Place channel in trip.           72 hours AND U.1.2     For the affected protection set, 72 hours set the Trip Time Delay (TS) to match the Trip Time Delay (TM).
For Functions 2 and 3 (Power Range Instrumentation), this Surveillance shall include verification that interlock P-10 is in the required state for existing unit conditions.
OR U.2        Be in MODE 3.                    78 hours 1,i (continued)
Perform COT. 184 days SR 3.3.1.8 -------....------
Watts Bar-Unit 1                            3.3-8                                Amendment 68
--- -------- NOTES----
 
..... -----. _- ----- NOTE ----------
RTS Instrumentation 3.3.1 ACTIONS (continued)
: 1. Not required to be performed for Source Range Only required when not instrumentation prior to entering MODE 3 from MODE performed within 2 until 4 hours after entry into MODE 3. previous 31 days 2.. This Surveillance shall include verification that interlock P-6 is in the required state for existing unit conditions.
CONDITION                    REQUIRED ACTION              COMPLETION TIME V. One Vessel AT channel inoperable.              One channel may be bypassed for up to 12 hours for surveillance testing.
Perform COT. Prior to reactor startup AND Four hours after reducing power below P-10 for intermediate range instrumentation AND Four hours after reducing power below P-6 for source range instrumentation AND Every 31 days thereafter (continued)
V.1     Set the Trip Time Delay        72 hours threshold power level for (TS) and (TM) to 0% power.
Watts Bar-Unit 1 3.3-12 Amendment 68 RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)
OR V.2   Be in MODE 3.                   78 hours I
SURVEILLANCE FREQUENCY S R 3.3.1.14 ...... ..... ..........  
W. One channel inoperable. -------------    NOTE        -----
.....N O TE ... ..... ...Verification of setpoint is not required.Perform TADOT. Prior to exceeding the P-9 interlock whenever the unit has been in MODE 3, if not performed within the previous 31 days SR 3.3.1.15 ...-.......--..
One channel may be bypassed for up to 12 hours for surveillance testing.
NOTE-------..--------
W.1     Place channel in trip.        72 hours OR W.2    Be in MODE 3.                 78 hours                     I X. One channel inoperable.   ---             NOTE -............
Neutron detectors are excluded from response time testing....................................................................
One channel may be bypassed for up to 12 hours for surveillance testing.
Verify RTS RESPONSE TIME is within limits. 18 months on a STAGGERED TEST BASIS Watts Bar-Unit 1 3.3-14 Amendment 68 RTS Instrumentation 3.3.1 Table 3.3.1-1 (page 3 of 9)Reactor Trip System Instrumentation FUNCTION 9. Pressurizer Water Level-High 10 Reactor Coolant Flow-Low 11 Undervoltage
X.1     Place channel in trip.         72 hours OR X.2     Reduce THERMAL POWER to        78 hours
.RCPs 12 Underfrequency RCPs APPLICABLE MODES OR OTHER SPECIFIED CONDITIONS 1 (f)1 (f)1 (f)l(f)REQUIRED CHANNELS CONDITIONS x 3 per loop 1 per bus 1 per bus N M M SURVEILLANCE REQUIREMENTS SR 3.3.1.1 SR 3.3.1.7 SR 3.3.1.10 SR 3.3.1.1 SR 3.3.1.7 SR 3.3.1.10 SR 3.3.1.15 SR 3.3.1.9 SR 3.3.1.10 SR 3.3.1.15 SR 3.3.1.9 SR 3.3.1.10 SR 3.3.1.15 ALLOWABLE VALUE:s 92.7%span_ 89.7%Flow> 4734 V NOMINAL TRIP SETPOINT 92% span 90% flow 4830 V a 56.9 Hz 57.5 Hz (continued)(f) Above the P-7 (Low Power Reactor Trips Block) interlock.
                                        < P-7.
Wafts Bar-Unit 1 3.3-17 Amendment 47, 68 ESFAS Instrumentation 3.3.2 ACTIONS (continued)
(continued)
_CONDITION REQUIRED ACTION COMPLETION TIME C. One train inoperable.
Watts Bar-Unit 1                          3.3-9                              Amendment 68
C.1 -----------
 
NOTE--------------
RTS Instrumentation 3.3.1.
One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.Restore train to OPERABLE status. 24 hours OR C.2.1 Be in MODE 3. 30 hours AND C.2.2 Be in MODE 5. 60 hours D. One channel inoperable.
ACTIONS (continued)
D.1 ---------NOTE -------One channel may be bypassed for up to 12 hours for surveillance testing.Place channel in trip. 72 hours OR D.2.1 Be in MODE 3. 78 hours AND D.2.2 Be in MODE 4. 84 hours (continued)
CONDITION                                    REQUIRED ACTION                            COMPLETION TIME Y. One, two or three Turbine                  Y.1   Place channel(s) in trip.                 72 hours Stop Valve Closure channels inoperable.                                OR Y.2   Reduce THERMAL POWER to                   76 hours I                                                          < P-9.
I Watts Bar-Unit 1 3.3-25 Amendment 68 ESFAS Instrumentation 3.3.2 ACTIONS (continued)
Z. Two RTS Trains inoperable                  Z.1   Enter LCO 3.0.3.                           Immediately SURVEI LLANCE REQUI REMENTS
CONDITION REQUIRED ACTION COMPLETION TIME E. One Containment Pressure E.1 -----------
                              ----------------------- NOTE -------------      -    .....................----------------------
NOTE --------channel inoperable.
Refer to Table 3.3.1-1 to determine which SRs apply for each RTS Function.
One channel may be bypassed for up to 12 hours for surveillance testing.Place channel in bypass. 72 hours OR E.2.1 Be in MODE 3. 78 hours AND E.2.2 Be in MODE 4. 84 hours F. One channel or train F.1 Restore channel or train to 48 hours inoperable.
SURVEILLANCE                                                      FREQUENCY SR 3.3.1.1      Perform CHANNEL CHECK.                                                            12 hours SR 3.3.1.2        ---...............-------------     NOES
OPERABLE status.OR F.2.1 Be in MODE 3. 54 hours AND F.2.2 Be in MODE 4. 60 hours (continued)
: 1. Adjust NIS channel if absolute difference is > 2%.
I Watts Bar-Unit 1 3.3-26 Amendment 68 ESFAS Instrumentation 3.3.2 ACTIONS (continued)
: 2. Required to be performed within 12 hours after THERMAL POWER is _>15% RTP.
CONDITION REQUIRED ACTION COMPLETION TIME G. One train inoperable.
Compare results of calorimetric heat balance calculation to                      24 hours Nuclear Instrumentation System (NIS) channel output.
G.1 ---------
(continued)
NOTE -----One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.Restore train to OPERABLE 24 hours status.OR G.2.1 Be in MODE 3. 30 hours AND G.2.2 Be in MODE 4. 36 hours H. One train inoperable.
Watts Bar-Unit 1                                        3.3-10                                                Amendment 68
H.1 -------- NOTE- ------One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.Restore train to OPERABLE 24 hours status.OR H.2.1 Be in MODE 3. 30 hours AND H.2.2 Be in MODE 4. 36 hours (continued)
 
I I I Watts Bar-Unit 1 3.3-27 Amendment 68 ESFAS Instrumentation 3.3.2 I ACTIONS (continued)
RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME I. One Steam Generator Water 1.1 -------------
SURVEILLANCE                                            FREQUENCY SR 3.3.1.3      ...................- - ----- NOTES-                             ---
NOTE --------Level--High High channel One channel may be bypassed inoperable.
: 1. Adjust NIS channel if absolute difference is &#x17d;>3%.
for up to 12 hours for surveillance testing.Place channel in trip. 72 hours OR 1.2.1 Be in MODE 3. 78 hours OR 1.2.2 Be in MODE 4. 84 hours J. One Main Feedwater Pumps trip J.1 Restore channel to 48 hours channel inoperable.
: 2. Required to be performed within 96 hours after THERMAL POWER is > 15% RTP.
OPERABLE status.OR J.2 Be in MODE 3. 54 hours K. One channel inoperable.
Compare results of the incore detector measurements to             31 effective full NIS AFD.                                                           power days (EFPD)
K.1 ------NOTE---------
SR 3.3.1.4                                  NO TE ......
One channel may be bypassed for up to 12 hours for survei!lance testing.Place channel in bypass. 72 hours OR (continued)
This Surveillance must be performed on the reactor trip bypass breaker. prior.to-placing the bypass breaker in service.
I Watts Bar-Unit13 8 3.3-28 Amendment 68 ESFAS Instrumentation 3.3.2 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME K. (continued)
Perform TADOT.                                                     62 days on a STAGGERED TEST BASIS SR 3.3.1.5      Perform ACTUATION LOGIC TEST.                                       92 days on a STAGGERED TEST BASIS SR 3.3.1.6    --------------------  -------
K.2.1 Be in MODE 3. 78 hours AND K.2.2 Be in MODE 5. 108 hours L. One P-11 interlock channel L.1 Verify interlock is in required 1 hour inoperable, state for existing unit condition.
Required to be performed within 6 days after THERMAL POWER is &#x17d;_50% RTP.
OR L.2.1 Be in MODE 3. 7 hours AND L.2.2 Be in MODE 4. 13 hours (continued)
Calibrate excore channels to agree with incore detector             92 EFPD measurements.
I I Watts Bar-Unit 31 3.3-29 Amendment 68 ESFAS Instrumentation 3.3.2 ACTIONS (continued)
(continued)
_CONDITION REQUIRED ACTION COMPLETION TIME M. One Steam Generator Water ------------
Watts Bar-Unit 1                                  3.3-11                                    Amendment 68
NOTE -----------
 
Level--Low--Low channel One channel may be bypassed inoperable, for up to 12 hours for surveillance testing.M.1.1 Place channel in trip. 72 hours AND M.1.2, For the affected protection set, 72 hours set the Trip Time Delay (Ts) to match the Trip Time Delay (Tm)OR M.2.1 Be in MODE 3. 78 hours AND M.2.2 Be in MODE 4. 84 hours N. One Vessel AT channel -----------------
RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)
NOTE--------
SURVEILLANCE                                                  FREQUENCY SR 3.3.1.7        -------------------- NOTE ---             ........---------------------
inoperable.
For Functions 2 and 3 (Power Range Instrumentation),
One channel may be bypassed for up to 12 hours for surveillance testing.N.1 Set the Trip Time Delay 72 hours threshold power level for (Ts)and (Tm) to 0% power.OR N.2 Be in MODE 3. 78 hours (continued)
this Surveillance shall include verification that interlock P-10 is in the required state for existing unit conditions.
I Watts Bar-Unit 1 3.3-30 Amendment 68 ESFAS Instrumentation 3.3.2 ACTIONS (continued)
I                        Perform COT.                                                        184 days SR 3.3.1.8      -------....------ ----------- NOTES---- .....              _- -----.      -----    NOTE----------
CONDITION REQUIRED ACTION COMPLETION TIME 0. One MSVV Room Water Level ----------------
: 1. Not required to be performed for Source Range                          Only required when not instrumentation prior to entering MODE 3 from MODE                  performed within 2 until 4 hours after entry into MODE 3.                             previous 31 days 2.. This Surveillance shall include verification that interlock P-6 is in the required state for existing unit conditions.
NOTE --------High channel inoperable The inoperable channel may be bypassed for up to 12 hours for surveillance testing of other channels.0.1 Place channel in trip 72 hours OR 0.2 Be in MODE 3 78 hours SURVEILLANCE REQUIREMENTS
Perform COT.                                                               Prior to reactor startup AND Four hours after reducing power below P-10 for intermediate range instrumentation AND Four hours after reducing power below P-6 for source range instrumentation AND Every 31 days thereafter (continued)
-------------------
Watts Bar-Unit 1                                    3.3-12                                          Amendment 68
NOTE---------------------------
 
Refer to Table 3.3.2-1 to determine which SRs apply for each ESFAS Function.SURVEILLANCE,, .FREQUENCY SR 3.3.2.1 Perform CHANNEL CHECK. 12 hours SR 3.3.2.2 Perform ACTUATION LOGIC TEST. 92 days on a STAGGERED TEST BASIS SR 3.3.2.3 Perform MASTER RELAY TEST. 92 days on a STAGGERED TEST.BASIS SR 3.3.2.4 Perform COT. 184 days (continued)
RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)
Watts Bar-Unit 1 3.3-31 Amendment 68 Containment Vent Isolation Instrumentation 3.3.6 SURVEILLANCE REQUIREMENTS
SURVEILLANCE                                      FREQUENCY S R 3.3.1.14      ......                  ..... .......... ..... N OTE . ..                 . . . ..   . . .
--------------------------------
Verification of setpoint is not required.
NOTE-----------------
Perform TADOT.                                                                                 Prior to exceeding the P-9 interlock whenever the unit has been in MODE 3, ifnot performed within the previous 31 days SR 3.3.1.15      ...-.......--..                                                  NOTE-------..--------
Refer to Table 3.3.6-1 to determine which SRs apply for each Containment Vent Isolation Function.SURVEILLANCE FREQUENCY SR 3.3.6.1 Perform CHANNEL CHECK. 12 hours------ -----------
Neutron detectors are excluded from response time testing..
------- NOTE---------------7 This surveillance is only applicable to the actuation logic of the ESFAS instrumentation.
Verify RTS RESPONSE TIME is within limits.                                                     18 months on a STAGGERED TEST BASIS Watts Bar-Unit 1                                                                      3.3-14                          Amendment 68
92 days on a SR 3.3.6.2 Perform ACTUATION LOGIC TEST. STAGGERED TEST BASIS-------------------  
 
------------
RTS Instrumentation 3.3.1 Table 3.3.1-1 (page 3 of 9)
NOTE ---------------------
Reactor Trip System Instrumentation APPLICABLE MODES OR OTHER                                                                  NOMINAL SPECIFIED      REQUIRED                    SURVEILLANCE  ALLOWABLE        TRIP FUNCTION        CONDITIONS      CHANNELS      CONDITIONS  REQUIREMENTS    VALUE        SETPOINT 1 (f)
: 9. Pressurizer Water                                        x        SR 3.3.1.1    :s 92.7%      92% span Level-High                                                          SR 3.3.1.7        span SR 3.3.1.10 10  Reactor Coolant            1 (f) 3 per          N         SR 3.3.1.1      _ 89.7%      90% flow Flow-Low                                  loop                    SR 3.3.1.7        Flow SR 3.3.1.10 SR 3.3.1.15 1 (f) 11    Undervoltage                            1 per bus        M        SR 3.3.1.9    > 4734 V        4830 V
  . RCPs                                                                SR 3.3.1.10 SR 3.3.1.15 l(f) 12    Underfrequency                          1 per bus        M        SR 3.3.1.9    a 56.9 Hz      57.5 Hz RCPs                                                                SR 3.3.1.10 SR 3.3.1.15 (continued)
(f)  Above the P-7 (Low Power Reactor Trips Block) interlock.
Wafts Bar-Unit 1                                    3.3-17                              Amendment 47, 68
 
ESFAS Instrumentation 3.3.2 ACTIONS (continued)        _
CONDITION                REQUIRED ACTION              COMPLETION TIME C. One train inoperable. C.1    ----------- NOTE--------------
One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.
Restore train to OPERABLE status.                       24 hours                I OR C.2.1  Be in MODE 3.                 30 hours AND C.2.2  Be in MODE 5.                 60 hours D. One channel inoperable. D.1  --------- NOTE          -------
One channel may be bypassed for up to 12 hours for surveillance testing.
Place channel in trip.         72 hours OR D.2.1  Be in MODE 3.                 78 hours AND D.2.2  Be in MODE 4.                 84 hours (continued)
Watts Bar-Unit 1                     3.3-25                                Amendment 68
 
ESFAS Instrumentation 3.3.2 ACTIONS (continued)
CONDITION              REQUIRED ACTION            COMPLETION TIME E. One Containment Pressure E.1   ----------- NOTE --------
channel inoperable.             One channel may be bypassed for up to 12 hours for surveillance testing.
Place channel in bypass. 72 hours OR E.2.1 Be in MODE 3.               78 hours AND I                              E.2.2  Be in MODE 4.               84 hours F. One channel or train  F.1   Restore channel or train to 48 hours inoperable.                   OPERABLE status.
OR F.2.1 Be in MODE 3.               54 hours AND F.2.2  Be in MODE 4.               60 hours (continued)
Watts Bar-Unit 1                     3.3-26                            Amendment 68
 
ESFAS Instrumentation 3.3.2 ACTIONS (continued)
CONDITION              REQUIRED ACTION                COMPLETION TIME G. One train inoperable. G.1   ---------      NOTE        -----
One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.
Restore train to OPERABLE        24 hours status.
OR G.2.1   Be in MODE 3.                   30 hours              I AND I
G.2.2  Be in MODE 4.                   36 hours H. One train inoperable. H.1  --------     NOTE-         ------
One train may be bypassed for up to 4 hours for surveillance testing provided the other train is OPERABLE.
Restore train to OPERABLE       24 hours status.
OR H.2.1   Be in MODE 3.                   30 hours AND H.2.2   Be in MODE 4.                   36 hours               I (continued)
Watts Bar-Unit 1                    3.3-27                                Amendment 68
 
ESFAS Instrumentation 3.3.2 ACTIONS (continued)
CONDITION                      REQUIRED ACTION            COMPLETION TIME I. One Steam Generator Water    1.1   ------------- NOTE --------
Level--High High channel              One channel may be bypassed inoperable.                            for up to 12 hours for surveillance testing.
I                                            Place channel in trip.     72 hours OR 1.2.1   Be in MODE 3.               78 hours OR 1.2.2   Be in MODE 4.               84 hours J. One Main Feedwater Pumps trip J.1      Restore channel to          48 hours channel inoperable.                    OPERABLE status.
OR J.2     Be in MODE 3.               54 hours K. One channel inoperable.      K.1           ------ NOTE---------
One channel may be bypassed for up to 12 hours for survei!lance testing.
I                                            Place channel in bypass. 72 hours OR (continued)
Watts Bar-Unit13                            3.3-288                          Amendment 68
 
ESFAS Instrumentation 3.3.2 ACTIONS CONDITION                  REQUIRED ACTION                    COMPLETION TIME K.  (continued)                K.2.1 Be in MODE 3.                      78 hours               I AND                                                       I K.2.2 Be in MODE 5.                     108 hours L. One P-11 interlock channel L.1   Verify interlock is in required    1 hour inoperable,                      state for existing unit condition.
OR L.2.1 Be in MODE 3.                     7 hours AND L.2.2 Be in MODE 4.                     13 hours (continued)
Watts Bar-Unit                         3.3-29 31                                        Amendment 68
 
ESFAS Instrumentation 3.3.2 ACTIONS (continued)                                                       _
CONDITION                       REQUIRED ACTION                 COMPLETION TIME M. One Steam Generator Water  ------------ NOTE         -----------
Level--Low--Low channel      One channel may be bypassed inoperable,                  for up to 12 hours for surveillance testing.
M.1.1   Place channel in trip.           72 hours AND M.1.2, For the affected protection set,  72 hours set the Trip Time Delay (Ts) to match the Trip Time Delay (Tm)
OR M.2.1   Be in MODE 3.                    78 hours AND M.2.2    Be in MODE 4.                    84 hours N. One Vessel AT channel    ----------------- NOTE--------
inoperable.                  One channel may be bypassed for up to 12 hours for surveillance testing.
N.1      Set the Trip Time Delay          72 hours I                                            threshold power level for (Ts) and (Tm) to 0% power.
OR N.2     Be in MODE 3.                     78 hours (continued)
Watts Bar-Unit 1                             3.3-30                                Amendment 68
 
ESFAS Instrumentation 3.3.2 ACTIONS (continued)
CONDITION                           REQUIRED ACTION                 COMPLETION TIME
: 0. One MSVV Room Water Level ---------------- NOTE              --------
High channel inoperable          The inoperable channel may be bypassed for up to 12 hours for surveillance testing of other channels.
0.1      Place channel in trip           72 hours OR 0.2     Be in MODE 3                     78 hours SURVEILLANCE REQUIREMENTS
                    -------------------                NOTE---------------------------
Refer to Table 3.3.2-1 to determine which SRs apply for each ESFAS Function.
SURVEILLANCE,,                  .FREQUENCY SR 3.3.2.1               Perform CHANNEL CHECK.                                12 hours SR 3.3.2.2               Perform ACTUATION LOGIC TEST.                         92 days on a STAGGERED TEST BASIS SR 3.3.2.3                Perform MASTER RELAY TEST.                             92 days on a STAGGERED TEST.
BASIS SR 3.3.2.4               Perform COT.                                           184 days (continued)
Watts Bar-Unit 1                                  3.3-31                                Amendment 68
 
Containment Vent Isolation Instrumentation 3.3.6 SURVEILLANCE REQUIREMENTS
--------------------------------                         NOTE-----------------
Refer to Table 3.3.6-1 to determine which SRs apply for each Containment Vent Isolation Function.
SURVEILLANCE                                      FREQUENCY SR 3.3.6.1           Perform CHANNEL CHECK.                                             12 hours
  ------            -----------      ------- NOTE---------------7 This surveillance is only applicable to the actuation logic of the ESFAS instrumentation.
92 days on a SR 3.3.6.2          Perform ACTUATION LOGIC TEST.                                     STAGGERED TEST BASIS
  -------------------           ------------   NOTE         ---------------------
This surveillance is only applicable to the master relays of the ESFAS instrumentation.
This surveillance is only applicable to the master relays of the ESFAS instrumentation.
92 days on a SR 3.3.6.3 Perform MASTER RELAY TEST. STAGGERED TEST BASIS SR 3.3.6.4 Perform COT. 92 days SR 3.3.6.5 Perform SLAVE RELAY TEST. 92 days OR 18 months for Westinghouse type AR relays SR 3.3.6.6 --------------
92 days on a SR 3.3.6.3           Perform MASTER RELAY TEST.                                       STAGGERED TEST BASIS SR 3.3.6.4           Perform COT.                                                     92 days SR 3.3.6.5           Perform SLAVE RELAY TEST.                                         92 days OR 18 months for Westinghouse type AR relays SR 3.3.6.6         -------------- NOTE-           -------
NOTE- -------Verification of setpoint is not required.Perform TADOT. 18 months SR 3.3.6.7 Perform CHANNEL CALIBRATION.
Verification of setpoint is not required.
18 months Wafts Bar-Unit 1 3.3-55 Amendment 17, 68}}
Perform TADOT.                                                   18 months SR 3.3.6.7           Perform CHANNEL CALIBRATION.                                       18 months Wafts Bar-Unit 1                                         3.3-55                         Amendment 17, 68}}

Latest revision as of 02:07, 13 March 2020

Technical Specifications, Issuance of Amendment Regarding Reactor Trip System and Engineered Safety Features Actuation System Completion Times, Bypass Test Times, and Surveillance Test Intervals
ML081620049
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 06/30/2008
From: Milano P
NRC/NRR/ADRO/DORL/WBSPB
To:
Milano P, NRR/DORL , 415-1457
Shared Package
ML081620033 List:
References
TAC MD5880
Download: ML081620049 (20)
v • d • e


Text

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME C. One channel or train C.1 Restore channel or train to 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> inoperable. OPERABLE status.

OR C.2 Open RTBs. 49 hours5.671296e-4 days <br />0.0136 hours <br />8.101852e-5 weeks <br />1.86445e-5 months <br /> D. One Power Range Neutron ------------------ NOTE-- ---..--------

Flux-High channel The inoperable channel may be inoperable, bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing and setpoint adjustment of other channels.

D.1.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND I D.1.2 Reduce THERMAL POWER to *75% RTP.

78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> I OR D.2.1 Place channel in 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> trip.

AND

- ---------------------- NOTE ----------

Only required to be performed when the Power Range Neutron Flux input to QPTR is inoperable.

D.2.2 Perform SR 3.2.4.2. Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> OR D.3 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> (continued)

Watts Bar-Unit 1 3.3-2 .Amendment 68 i

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME.

E. One channel inoperable. -------- --------NOTE- ----

The inoperable channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing of other channels.

E.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR E.2 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> F. THERMAL POWER > P-6. F.1 Reduce THERMAL POWER 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and < P-10, one Intermediate to < P-6.

Range Neutron Flux channel inoperable. OR F.2 Increase THERMAL 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> POWER to > P-10.

G. THERMAL POWER> P-6 and G.1 Suspend operations Immediately,

< P-10, two Intermediate involving positive reactivity Range Neutron Flux channels additions.

inoperable.

AND G.2 Reduce THERMAL POWER 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> to < P-6.

H. THERMAL POWER,< P-6, H.1 Restore channel(s) to Prior to increasing one or two Intermediate OPERABLE status. THERMAL POWER Range Neutron Flux channels to > P-6 inoperable.

(continued)

Watts Bar-Unit 1 3.3-3 Amendment 68

RTS Instrumentatidn 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME M. One channel----------------- NOTE --- ------

inoperable. The inoperable channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing of other channels.

M.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR M.2 Reduce THERMAL POWER to 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br />

< P-7.

N. One Reactor Coolant Flow-- ----- NOTE -----------

Low channel inoperable. One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

N.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR N.2 Reduce THERMAL POWER to 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br />

< P-7.

(continued)

Watts Bar-Unit 1 3.3-5 Amendment 68

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

0. One Low Fluid Oil Pressure -------- NOTE------

Turbine Trip channel The inoperable channel may be inoperable, bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing of other channels.

0.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR 0.2 Reduce THERMAL POWER to 76 hours8.796296e-4 days <br />0.0211 hours <br />1.256614e-4 weeks <br />2.8918e-5 months <br />

< P-9.

P. One train inoperable. ------- NOTE----------

One train may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing provided the other train is OPERABLE.

P.1 Restore train to OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> status.

OR P.2 Be in MODE 3. 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> (continued)

Watts Bar-Unit 1 3.3-6 Amendment 68

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME Q. One RTB train inoperable. -- NOTE-- --

One train may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing, provided the. other train is I

OPERABLE.

Q.1 Restore train to OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> status.

OR Q.2 Be in MODE 3. 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> R. One channel inoperable. R.1 Verify interlock is in required state 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> for existing unit conditions.

OR R.2 Be in MODE 3. 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> S. One channel inoperable. S.1 Verify interlock is in required 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> state for existing unit conditions.

OR S.2 Be in MODE 2. 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> (continued)

Watts Bar-Unit 1 3.3-7 Amendment 68

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME T. One trip mechanism T.1 Restore inoperable trip 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> inoperable for one mechanism to OPERABLE RTB. status.

OR T.2.1 Be in MODE 3. 54 hours6.25e-4 days <br />0.015 hours <br />8.928571e-5 weeks <br />2.0547e-5 months <br /> AND T.2.2 Open RTB. 55 hours6.365741e-4 days <br />0.0153 hours <br />9.093915e-5 weeks <br />2.09275e-5 months <br /> U. One Steam Generator Water -.....---------- NOTE--

Level Low-Low channel One channel may be bypassed for up inoperable, to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

U.1.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND U.1.2 For the affected protection set, 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> set the Trip Time Delay (TS) to match the Trip Time Delay (TM).

OR U.2 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> 1,i (continued)

Watts Bar-Unit 1 3.3-8 Amendment 68

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME V. One Vessel AT channel inoperable. One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

V.1 Set the Trip Time Delay 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> threshold power level for (TS) and (TM) to 0% power.

OR V.2 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> I

W. One channel inoperable. ------------- NOTE -----

One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

W.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR W.2 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> I X. One channel inoperable. --- NOTE -............

One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

X.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR X.2 Reduce THERMAL POWER to 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br />

< P-7.

(continued)

Watts Bar-Unit 1 3.3-9 Amendment 68

RTS Instrumentation 3.3.1.

ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME Y. One, two or three Turbine Y.1 Place channel(s) in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> Stop Valve Closure channels inoperable. OR Y.2 Reduce THERMAL POWER to 76 hours8.796296e-4 days <br />0.0211 hours <br />1.256614e-4 weeks <br />2.8918e-5 months <br /> I < P-9.

Z. Two RTS Trains inoperable Z.1 Enter LCO 3.0.3. Immediately SURVEI LLANCE REQUI REMENTS

NOTE ------------- - .....................----------------------

Refer to Table 3.3.1-1 to determine which SRs apply for each RTS Function.

SURVEILLANCE FREQUENCY SR 3.3.1.1 Perform CHANNEL CHECK. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.3.1.2 ---...............------------- NOES

1. Adjust NIS channel if absolute difference is > 2%.
2. Required to be performed within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after THERMAL POWER is _>15% RTP.

Compare results of calorimetric heat balance calculation to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> Nuclear Instrumentation System (NIS) channel output.

(continued)

Watts Bar-Unit 1 3.3-10 Amendment 68

RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.3.1.3 ...................- - ----- NOTES- ---

1. Adjust NIS channel if absolute difference is Ž>3%.
2. Required to be performed within 96 hours0.00111 days <br />0.0267 hours <br />1.587302e-4 weeks <br />3.6528e-5 months <br /> after THERMAL POWER is > 15% RTP.

Compare results of the incore detector measurements to 31 effective full NIS AFD. power days (EFPD)

SR 3.3.1.4 NO TE ......

This Surveillance must be performed on the reactor trip bypass breaker. prior.to-placing the bypass breaker in service.

Perform TADOT. 62 days on a STAGGERED TEST BASIS SR 3.3.1.5 Perform ACTUATION LOGIC TEST. 92 days on a STAGGERED TEST BASIS SR 3.3.1.6 -------------------- -------

Required to be performed within 6 days after THERMAL POWER is Ž_50% RTP.

Calibrate excore channels to agree with incore detector 92 EFPD measurements.

(continued)

Watts Bar-Unit 1 3.3-11 Amendment 68

RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.3.1.7 -------------------- NOTE --- ........---------------------

For Functions 2 and 3 (Power Range Instrumentation),

this Surveillance shall include verification that interlock P-10 is in the required state for existing unit conditions.

I Perform COT. 184 days SR 3.3.1.8 -------....------ ----------- NOTES---- ..... _- -----. ----- NOTE----------

1. Not required to be performed for Source Range Only required when not instrumentation prior to entering MODE 3 from MODE performed within 2 until 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> after entry into MODE 3. previous 31 days 2.. This Surveillance shall include verification that interlock P-6 is in the required state for existing unit conditions.

Perform COT. Prior to reactor startup AND Four hours after reducing power below P-10 for intermediate range instrumentation AND Four hours after reducing power below P-6 for source range instrumentation AND Every 31 days thereafter (continued)

Watts Bar-Unit 1 3.3-12 Amendment 68

RTS Instrumentation 3.3.1 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY S R 3.3.1.14 ...... ..... .......... ..... N OTE . .. . . . .. . . .

Verification of setpoint is not required.

Perform TADOT. Prior to exceeding the P-9 interlock whenever the unit has been in MODE 3, ifnot performed within the previous 31 days SR 3.3.1.15 ...-.......--.. NOTE-------..--------

Neutron detectors are excluded from response time testing..

Verify RTS RESPONSE TIME is within limits. 18 months on a STAGGERED TEST BASIS Watts Bar-Unit 1 3.3-14 Amendment 68

RTS Instrumentation 3.3.1 Table 3.3.1-1 (page 3 of 9)

Reactor Trip System Instrumentation APPLICABLE MODES OR OTHER NOMINAL SPECIFIED REQUIRED SURVEILLANCE ALLOWABLE TRIP FUNCTION CONDITIONS CHANNELS CONDITIONS REQUIREMENTS VALUE SETPOINT 1 (f)

9. Pressurizer Water x SR 3.3.1.1 :s 92.7% 92% span Level-High SR 3.3.1.7 span SR 3.3.1.10 10 Reactor Coolant 1 (f) 3 per N SR 3.3.1.1 _ 89.7% 90% flow Flow-Low loop SR 3.3.1.7 Flow SR 3.3.1.10 SR 3.3.1.15 1 (f) 11 Undervoltage 1 per bus M SR 3.3.1.9 > 4734 V 4830 V

. RCPs SR 3.3.1.10 SR 3.3.1.15 l(f) 12 Underfrequency 1 per bus M SR 3.3.1.9 a 56.9 Hz 57.5 Hz RCPs SR 3.3.1.10 SR 3.3.1.15 (continued)

(f) Above the P-7 (Low Power Reactor Trips Block) interlock.

Wafts Bar-Unit 1 3.3-17 Amendment 47, 68

ESFAS Instrumentation 3.3.2 ACTIONS (continued) _

CONDITION REQUIRED ACTION COMPLETION TIME C. One train inoperable. C.1 ----------- NOTE--------------

One train may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing provided the other train is OPERABLE.

Restore train to OPERABLE status. 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> I OR C.2.1 Be in MODE 3. 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> AND C.2.2 Be in MODE 5. 60 hours6.944444e-4 days <br />0.0167 hours <br />9.920635e-5 weeks <br />2.283e-5 months <br /> D. One channel inoperable. D.1 --------- NOTE -------

One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR D.2.1 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> AND D.2.2 Be in MODE 4. 84 hours9.722222e-4 days <br />0.0233 hours <br />1.388889e-4 weeks <br />3.1962e-5 months <br /> (continued)

Watts Bar-Unit 1 3.3-25 Amendment 68

ESFAS Instrumentation 3.3.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME E. One Containment Pressure E.1 ----------- NOTE --------

channel inoperable. One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

Place channel in bypass. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR E.2.1 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> AND I E.2.2 Be in MODE 4. 84 hours9.722222e-4 days <br />0.0233 hours <br />1.388889e-4 weeks <br />3.1962e-5 months <br /> F. One channel or train F.1 Restore channel or train to 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> inoperable. OPERABLE status.

OR F.2.1 Be in MODE 3. 54 hours6.25e-4 days <br />0.015 hours <br />8.928571e-5 weeks <br />2.0547e-5 months <br /> AND F.2.2 Be in MODE 4. 60 hours6.944444e-4 days <br />0.0167 hours <br />9.920635e-5 weeks <br />2.283e-5 months <br /> (continued)

Watts Bar-Unit 1 3.3-26 Amendment 68

ESFAS Instrumentation 3.3.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME G. One train inoperable. G.1 --------- NOTE -----

One train may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing provided the other train is OPERABLE.

Restore train to OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> status.

OR G.2.1 Be in MODE 3. 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> I AND I

G.2.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> H. One train inoperable. H.1 -------- NOTE- ------

One train may be bypassed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> for surveillance testing provided the other train is OPERABLE.

Restore train to OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> status.

OR H.2.1 Be in MODE 3. 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> AND H.2.2 Be in MODE 4. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> I (continued)

Watts Bar-Unit 1 3.3-27 Amendment 68

ESFAS Instrumentation 3.3.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME I. One Steam Generator Water 1.1 ------------- NOTE --------

Level--High High channel One channel may be bypassed inoperable. for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

I Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR 1.2.1 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> OR 1.2.2 Be in MODE 4. 84 hours9.722222e-4 days <br />0.0233 hours <br />1.388889e-4 weeks <br />3.1962e-5 months <br /> J. One Main Feedwater Pumps trip J.1 Restore channel to 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> channel inoperable. OPERABLE status.

OR J.2 Be in MODE 3. 54 hours6.25e-4 days <br />0.015 hours <br />8.928571e-5 weeks <br />2.0547e-5 months <br /> K. One channel inoperable. K.1 ------ NOTE---------

One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for survei!lance testing.

I Place channel in bypass. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR (continued)

Watts Bar-Unit13 3.3-288 Amendment 68

ESFAS Instrumentation 3.3.2 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME K. (continued) K.2.1 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> I AND I K.2.2 Be in MODE 5. 108 hours0.00125 days <br />0.03 hours <br />1.785714e-4 weeks <br />4.1094e-5 months <br /> L. One P-11 interlock channel L.1 Verify interlock is in required 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> inoperable, state for existing unit condition.

OR L.2.1 Be in MODE 3. 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> AND L.2.2 Be in MODE 4. 13 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br /> (continued)

Watts Bar-Unit 3.3-29 31 Amendment 68

ESFAS Instrumentation 3.3.2 ACTIONS (continued) _

CONDITION REQUIRED ACTION COMPLETION TIME M. One Steam Generator Water ------------ NOTE -----------

Level--Low--Low channel One channel may be bypassed inoperable, for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

M.1.1 Place channel in trip. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND M.1.2, For the affected protection set, 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> set the Trip Time Delay (Ts) to match the Trip Time Delay (Tm)

OR M.2.1 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> AND M.2.2 Be in MODE 4. 84 hours9.722222e-4 days <br />0.0233 hours <br />1.388889e-4 weeks <br />3.1962e-5 months <br /> N. One Vessel AT channel ----------------- NOTE--------

inoperable. One channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing.

N.1 Set the Trip Time Delay 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> I threshold power level for (Ts) and (Tm) to 0% power.

OR N.2 Be in MODE 3. 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> (continued)

Watts Bar-Unit 1 3.3-30 Amendment 68

ESFAS Instrumentation 3.3.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

0. One MSVV Room Water Level ---------------- NOTE --------

High channel inoperable The inoperable channel may be bypassed for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> for surveillance testing of other channels.

0.1 Place channel in trip 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR 0.2 Be in MODE 3 78 hours9.027778e-4 days <br />0.0217 hours <br />1.289683e-4 weeks <br />2.9679e-5 months <br /> SURVEILLANCE REQUIREMENTS

NOTE---------------------------

Refer to Table 3.3.2-1 to determine which SRs apply for each ESFAS Function.

SURVEILLANCE,, .FREQUENCY SR 3.3.2.1 Perform CHANNEL CHECK. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.3.2.2 Perform ACTUATION LOGIC TEST. 92 days on a STAGGERED TEST BASIS SR 3.3.2.3 Perform MASTER RELAY TEST. 92 days on a STAGGERED TEST.

BASIS SR 3.3.2.4 Perform COT. 184 days (continued)

Watts Bar-Unit 1 3.3-31 Amendment 68

Containment Vent Isolation Instrumentation 3.3.6 SURVEILLANCE REQUIREMENTS

NOTE-----------------

Refer to Table 3.3.6-1 to determine which SRs apply for each Containment Vent Isolation Function.

SURVEILLANCE FREQUENCY SR 3.3.6.1 Perform CHANNEL CHECK. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />

----------- ------- NOTE---------------7 This surveillance is only applicable to the actuation logic of the ESFAS instrumentation.

92 days on a SR 3.3.6.2 Perform ACTUATION LOGIC TEST. STAGGERED TEST BASIS

------------ NOTE ---------------------

This surveillance is only applicable to the master relays of the ESFAS instrumentation.

92 days on a SR 3.3.6.3 Perform MASTER RELAY TEST. STAGGERED TEST BASIS SR 3.3.6.4 Perform COT. 92 days SR 3.3.6.5 Perform SLAVE RELAY TEST. 92 days OR 18 months for Westinghouse type AR relays SR 3.3.6.6 -------------- NOTE- -------

Verification of setpoint is not required.

Perform TADOT. 18 months SR 3.3.6.7 Perform CHANNEL CALIBRATION. 18 months Wafts Bar-Unit 1 3.3-55 Amendment 17, 68

Retrieved from "https://kanterella.com/w/index.php?title=ML081620049&oldid=2568826"