ML20234C287
| ML20234C287 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 12/31/1987 |
| From: | FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML20234C256 | List: |
| References | |
| NUDOCS 8801060174 | |
| Download: ML20234C287 (7) | |
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IANA NOTATION
- Trip function may be bypassed in this MODE with RCS pressure below 1700 psig.
Bypass shall be automatically removed when RCS pressure exceeds 1700 psig.
- Trip function may be bypassed in this MODE with RCS pressure below 900 psig.
Bypass shall be automatically removed when RCS pressure exceeds 900 psig.
- Trip function may be bypassed in this MODE with steam generator pressure below 750 psig.
Bypass shall be automatically removed when steam generator pressure exceeds 750 psig.
- The provisions of Specification 3.0,4 are not applicable.
- Trip automatically bypassed below 20 percent of RATED THERMAL POWER.
- Trip function may be bypassed below 10 percent of RATED THERMAL POWER.
- Manual trip fu'nction occurs if two channels in the same train are actuated.
ACTION STATEMENTS ACTION 9 - With the number of OPERABLE Channels one less than the Total Number of Channels, operation may proceed until performance of the next required CHANNEL FUNCTIONAL TEST provided the inoperable channel is placed in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.
ACTION 10 - With the number of OPERABLE channels one less than the Total Number of Channels, be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the next 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />; however, one channel may be bypassed for up to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> for Surveillance testing per Specification 4.3.2.1.1.
ACTION 11 - With less than the Minimum Channels OPERABLE, operation may continue provided the containment purge and exhaust valves are maintained closed.
ACTION 12 - With the number of OPERABLE Channels one less than the Total Number of Channels, operation may proceed provided the inoperable channel is placed in the bypassed condition and the minimum channels OPERABLE required is demonstrated within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />; one additional channel may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for Surveillance testing per Specification 4.3.2.1.1.
ACTION 13 - With the number of OPERABLE Channels one less than the Total Number of Channels, restore the inoperable channel 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 STANDBY within the next 6 hcurs and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
ACTION 14 - With the number of OPERABLE Channels one less than the Total Number of Channels, operation may proceed provided the inoperable channel is placed in the tripped condition within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, one additional channel may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for Surveillance testing per Specification 4.3.2.1.1.
ACTION 15 - With the number of OPERABLE Channels one less than the Total Number of Channels, restore the inoperable channel 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 be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
CRYSTAL RIVER - UNIT 3 3/4 3-14 Amendment No.
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MGIEEEED SAFETT FFATMES RESRMSE TDES l
INITIATING SIGNAL AND FUNCTIQH RESPONSE TIME IN SECONDS
- 7.
Containment Radioactivity-Hioh a.
Reactor Building purge Isolation 15*
8.
Main Feedwater Pump Turbines A and B Control Oil Low a
Emergency Feedwater Actuation Not Applicable 9.
OTSG A or E Level Low-Low a.
Escrgency Feedwater Actuation 50*
10.
All Reactor Coolant Pumps Tripped a.
Emergency Feedwater Actitation Not Applicable 11.
f Jf4 kV Emeroency Busses Undervoltace (Loss of Voltaae) Not Applicable I
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1 16 kV Emeroency Bussem Undervoltaae (Deoraded Voltace) Not Applicable 1
- Diesel Generator starting and sequence loading delays included.
Response time limit includes movement of valves and attainment of pump or blower discharge pressure.
CRYSTAL RIVER - UNIT 3 3/4 3-17a Amendment No.
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T&BEZ 57FATIM l
(1) The CHANNEL FUNCTIONAL TEST need only demonstrate one combination of the three l
two-out-of-three logic combinations that are operable provided that a different combination is tested at each test interval, such that all three combinations will be confirmed to be operable by the time the third successive test is completed.
(2) The CHANNEL FUNCTIONAL TEST shall include exercising the transmitter by applying pressure to the appropriate side of the transmitter.
4 (3) Each logic channel shall be tested at least once every other 31-day period (applies only to Test Groups HPI-3, LpI-1 and LPI-2) for the duration of Fuel Cycle 5 - see [5] below).
i-(4) Reactor building pressure High-High signal only.
l (5) Monthly CHANNEL FUNCTIONAL TEST of the Automatic Actuation Logic circuitry has been waived for all Test Groups with the exception of Test groups HPI-3, LPI-1 and LPI-2 for the duration of Fuel Cycle 5 for Crystal River Unit 3.
(6) The CHANNEL FUNCTIONAL TEST need not include actuation of the end device.
(7)
CHANNEL CALIBRATION may exclude testing of the voltage sensor.
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CRYSTAL RIVER - UNIT 3 3/4 3-21 Amendment No.
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3/4.3 INSTRUMENTATION B&SES 3/4.3.1 and 3/4.3.2 REACTOR PROTECTION SYSTEM (RPS) AND ENGINEERED SAFETY FEATURES ACTUATION SYSTEM (ESFAS) INSTRUMENTATION The OPERABILITY of the RPS and ESFAS instrumentation systems ensure that 1) the associated ESFAS action and/or RPS trip will be initiated when the parameter monitored by each channel or combination thereof exceeds its setpoint, 2) the specified coincidence logic is maintained, 3) sufficient redundancy is maintained to permit a channel to be out of service for testing or maintenance, and 4) sufficient system functional' capability is available for RPS and ESFAS purposes from diverse parameters.
I The OPERABILITY of these systems is required to provide the overall reliability,
. redundance 'and diversity assumed available in the facility design for the protection and mitigation of accident and transient conditions.
The integrated operation of each of these systems is consistent with the assumptions used in the accident analyses.
The surveillance requirements specified for these systems ensure that the overall system functional capability is maintained comparable to the original design standards. The periodic surveillance tests performed at the minimum frequencies are sufficient to demonstrate this capability.
The ESFAS Functional Unit CHANNEL FUNCTIONAL - TESTS shall be performed in accordance with Regulatory Guide 1.22 (Revision 0, 1972).
The measurement of response time at the specified frequencies provides assurance that the RPS and ESFAS action function associated with each channel is completed within the time limit assumed in the safety analyses.
No credit was taken in the analyses for those channels with response times indicated as not applicable.
. Response time may be demonstrated by any series of sequential, overlapping or total channel test measurements provided that such test demonstrates the total channel response time as defined.
Sensor response time verification may be demonstrated by either 1) in place, onsite or offsite tests measurements, or 2) utilizing replacement sensors with certified response times.
~The emergency bus undervoltage channels monitor bus voltage and will actuate the emergency diesel generator start and loading circuitry (diesel to bus) when a loss of voltage; or degraded voltage is sensed.
The degraded voltage channels protect emergency equipment from a sustained low voltage condition.
The degraded voltage delay times and voltage setpoints are based on voltage requirements for i
safety-related loads.
The instrumentation channels of this specification include sensing and time delays.
The shared circuitry of this system is encompassed by the emergency diesel generator specification (3.8.1.1).
CRYSTAL RIVER - UNIT 3 B 3/4 3-1 Amendment No.
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