ML17285B210
| ML17285B210 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 04/20/1990 |
| From: | NRC |
| To: | |
| Shared Package | |
| ML17285B211 | List: |
| References | |
| NUDOCS 9004260151 | |
| Download: ML17285B210 (6) | |
Text
TABLE 3.3.7.5-1 ACCIDENT MONITORING INSTRUMENTATION C)
'DO g QO pv Z pe~
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OG'oQ~
C$QOm AC INSTRUMENT 1.
Reactor Vessel Pressure 2.
Suppression Chamber Water Level 4.
Suppression Chamber Water Temperature RE/VIREO NUMBER OF CHANNELS 2/sector MINIMUM CHANNELS OPERABLE 1/sector 1, 2 1,
2 I, 2 80 80 80 1, 2 80 APPLICABLE OPERATIONAL CONDITIONS ACTION m
5.
Suppression Chamber Air Temperature 6.
Drywell Pressure 7.
Drywell Air Temperature 8.
Drywell Oxygen Concentration 9.
Drywell Hydrogen Concentration 10.
Safety/Relief Valve Position Indicators 11.
Suppression Chamber Pressure 12.
Condensate Storage Tank Level 13.
Main Steam Line Isolation Valve Leakage Control System Pressure 2/valve" 1/valve 1.
2
- 1. 2 1I 2 1; 2 1, 2 1, 2 1, 2 1, 2 80 80 80 80 80 80 80 80 80
- NOTE - The acoustic monitors may be inoperable until the fifth Refueling Outage scheduled for No Late~
Than May 15, 1990 without applying the shutdown requirement of Action 80.a.
TABLE 3. 3. 7. 5-1 (Continued)
ACCIDENT MONITORING INSTRUMENTATION INSTRUMENT 14.
Neutron Flux:
RCIC Flow 16.
HPCS Flow 17.
LPCS Flow 18.
Standby Liquid Control System Flow 19.
Standby Liquid Control System Tank Level 20.
RHR Flow 21.
RHR Heat Exchanger Outlet Temperature 22.
Standby Service Water Flow 23.
Standby Service Water Spray Pond Temperature 24.
REQUIRED NUMBER OF CHANNELS 1
1 1
1 1
1/loop 1/heat exchanger 1/loop 2
MINIMUM CHANNELS OPERABLE 1
1, 2
1 1 s 2
1 1, 2 1
.1, 2 1
ls 2 1
1, 2
1 1,
2 1
1, 2
1/loop 1,
2 1/heat 1, 2 exchanger 1/loop 1
1, 2 1,
2 80 80 80 80 80 80 80 80 80 80 80 80 APPLICABLE OPERATIONAL CONOITIONS ACTION 25.
Emergency Ventilation Damper Position 26.
Standby Power and Other Energy Sources 27.
Primary Containment Valve Position 28.
Primary Containment Gross Radiation Monitors¹ 29.
30.
Effluent Noble Gas Radiation Monitor¹ 31.
Reactor Building Post LOCA Grab Sampler 2/duct 2/source 1/valve 2
1/duct 1/source 1/line 1
1, 2 1,
2
- 1. 2 1s2s3 1, 2, 3
1, 2, 3
80 80 80 81 81 81
¹High range monitors.
TABLE 4. 3. 7. 5"1 ACCIDENT MONITORING INSTRUMENTATION SURVEILLANCE RE UIREMENTS Cl n
m I
hO I
m C)
ID C
INSTRUMENT 1.
Reactor Vessel Pressure 2.
Suppression Chamber Water Level 4.
Suppression Chamber Water Temperature 5.
Suppression Chamber Air Temperature 6.
Primary Containment Pressure 7.
Drywell Air Temperature 8.
Orywell Oxygen Concentration 9.
Orywell Hydrogen Concentration 10.
Safety/Relief Valve Position Indicators 11.
Suppression Chamber Pressure 12.
Condensate Storage Tank Level 13.
Main Steam Line Isolation Valve Leakage Control System Pressure 14.
Neutron Flux:
RCIC Flow 16.
HPCS Flow 17.
LPCS Flow CHANNEL CHECK CHANNEL CALIBRATION R
R R
R R
R APPLICABLE OPERATIONAL CONDITIONS 1,
2 1,
2 1,
2.
1, 2
1$
2 1
2 1
2 1
2 1 $ 2 1,
1, 1,
1, 2
1 2
1, 2
1, 2
1, 2
1, 2
- Surveillance of the OPERABLE Tailpipe Temperature instrument channels will be performed daily until ac -=tie monitors are declared OPERABLE.
the
ACTION 80-Table 3.3.7.5-1 (Continued)
~I ACCIOENT MONITORING INSTRUHENTATION ACTION STATEMENTS A
e a.
Msth the number of OPERABLE accident monitoring instrumentation channels less than the Required Number of Channels shown in Table 3.3.7.5-1, restore the inoperable channel(s) to OPERABLE status within 7 days or be in at least HOT SHUTOOW within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
b.
M>th the number of OPERABLE accident monitoring instrumentation channels less than the Minimum Channels OPERABLE requirements of Table 3.3.7.5-1, restore the 'inoperable channel(s) to OPERABLE status within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT SHUTOOMH within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
ACTION 81 -
lith th e number of OPERABLE accident monitoring instrumentation channels less than required by the Minimum Channels OPERABLE requirement, either restore the inoperable channel(s) to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, or:
a.
Initiate the preplanned alternate method of monitorin th parameter(s),
and or ng e appropriate b.
In l>eu of any other report required by Specification 6.9.1, prepare and submit a Special Report to the Commission pursuant to Specification 6.9.2 within 14 days following the event tl'h action taken, the cause of the inoperability and the plans and schedule for restoring the system to OPERABLE status.
MASHINGTON NUCLEAR - UNIT 2 3(4 3-73
REACTOR COOLANT SYSTEM 3/4.4.2 SAFETY/RELIEF VALVES LIMITING CONOITION FOR OPERATION 3.4.2 The safety valve function of at least 12 of the following reactor coolant system safety/relief valves shall be OPERABLE with the specified code safety valve function lift settings:"
2 safety/relief valves 9 1150 psig +1%/-3X 4
safety/relief valves ta 1175 psig +1K/-3X 4
safety/relief valves 9 1185 psig +1X/-3X 4
safety/relief valves ta 1195 psig +EX/-3X 4
safety/relief valves 9 1205 psig +3%/-3X APPLICABILITY:
OPERATIONAL CONDITIONS 1, 2, and 3.
ACTION:
a ~
C.
With the safety valve function of one or more of the above required safety/relief valves inoperable, be in at least HOT SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the next 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
With one or more safety/relief valves stuck open, provided that suppression pool average water temperature is less than 904F, close the stuck open safety/relief valve(s); if unable to close the open valve(s) within 2 minutes or if suppression pool average water tempera-ture is 110 F or greater, place the reactor mode switch in the Shut-down position.
With one or more safety/relief valve acoustic monitors inoperable, restore the inoperable monitor(s) to OPERABLE status within 7 days or be in =at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />."""
SURVEILLANCE RE UIREMENTS 4.4.2 The acoustic monitor for each safety/relief valve shall be demonstrated OPERABLE by perfor mance of a:
a.
CHANNEL CHECK at least once per 31 days, and a b.
CHANNEL CALIBRATION at least once per 18 months.""
"The lift setting pressure shall correspond to ambient conditions of the valves at nominal operating temperatures and pressures.
""The provisions of Specification 4.0.4 are, not applicable provided the surveillance is performed within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after reactor steam pressure is adequate to perform the test.
- ""The acoustic monitors may be inoperable until the fifth Refueling Outage scheduled for No Later Than May 15, 1990 without applying the shutdown requirement.
WASHINGTON NUCLEAR - UNIT 2 3/4 4-7 Amendment No. 78
REACTOR COOLANT SYSTEM 3/4.4.3 REACTOR COOLANT SYSTEM LEAKAGE 5
LEAKAGE DETECTION SYSTEMS LIMITING CONDITION FOR OPERATION 3.4.3.1 The following reactor coolant system leakage detection systems shall be OPERABLE:
a.
The primary containment atmosphere gaseous radfoactfvfty monitoring
- system, b.
The primary contafnment sump flow monitoring system, and c.
The prfmary contafnment atmosphere particulate radioactivity monitoring system.
APPLICABILITY:
OPERATIONAL CONDITIONS 1, 2, and 3.
ACTION:
With only two of the above required leakage detection systems. OPERABLE, operation may continue for up to 30 days provided grab samples of the con-tainment atmosphere are obtained and analyzed at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the required gaseous and/or particulate radioactive monitoring system fs inoperable; otherwise, be fn at 'least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLO SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
SURVEILI.ANCE RE UIREMENTS 4.4.3.1 The reactor coolant system leakage detection systems shall be demonstrated OPERABLE by:
a.
Primary containment atmosphere particulate and gaseous monitoring systems-performance of a CHANNEL CHECK at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />, a
CHANNEL FUNCTIONAL TEST at least once per 31 days and a CHANNEL CALIBRATION at least once per 18 months.
b.
Primary contafnment sump flow monitoring system-performance of a CHANNEL FUNCTIONAL TEST at least once per 31 days and a CHANNEL CALIBRATION TEST at least once per 18 months.
WASHINGTON NUCLEAR - UNIT 2 3/4 4-8