ML20058P888
| ML20058P888 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 10/19/1993 |
| From: | GEORGIA POWER CO. |
| To: | |
| Shared Package | |
| ML20058P886 | List: |
| References | |
| NUDOCS 9310250278 | |
| Download: ML20058P888 (5) | |
Text
_. _ _
s Edwin I. Hatch Nuclear Plant Request to Revise Technical Specifications:
Time Delay for Reactor Protection System Electric Power Monitoring System Trips 7
Paae Chance Instructions The proposed change to the Plant Hatch Unit 1 Technical Specifications will be incorporated as follows:
Remove Paae Insert Pace 3.9-6a 3.9-6a The proposed change to the Plant Hatch Unit 2 Technical Specifications will be incorporated as follows:
Remove Paqg Insert Paqq t
3/4 8-24 3/4 8-24 HL-3416 005912 E3-1 9310250278 931019 ADOCK 05000ggi j
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. - _ = _ - -.
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_.!MVTING CONDITIONS FOR OPERATION SURVEILLANCE REOUIREMENTS C.
Diesel Generator Reovirements (Reactor in the Shutdown or Refuel Mode) 4.9.D.
Electric Power Monitorino for (Continued)
Work is being done which has the
. Specifications:
potential for draining the reactor pressure vessel, or 1.
The Electric Power Monitoring for i
the Reactor Protection System 2.
Secondary containment is required,
'shall be demonstrated operable:
or j
3.
A core or containment cooling sys-(a) At least one per 6 months tem is required.
t.y perfonning a FUNCTIONAL
- TEST, D.
Electric Power Monitorino for the Reactor Protection System (b) At least once per operating cycle by demonstrating the g
OPERABILITY of under-voltage, Specificetions:
over-voltage and under-fre '
c'i i quency protective instrumenta-
@7, 1.
When either of the RPS MG sets or the tion by performance of a CHANNEL y (
Alternate Source is in service, its CALIBRATION including simu-y pewer monitoring system shall be lated automatic actuation of-
,[ y OPERABLE.
the protective relays, trip-t*
ping logic and output cir-E (a) If the power monitoring system is cuit breakers and verifying h
not OPERABLE and Operability the following setpoints:
Jp cannot be restored within 30 minutes of discovery, remove the (1) Over-voltage <132 VAC,g power supply from service insnediately thereafter.
(2) Under-voltage 1108 VAC, with ime delay relay set (b) One channel of a power monitoring to ero*
4 " *
- d assen,,
.]
system may be inoperable, as necessary for test or maintenance, (3) Under-frequency 157 Hz, not to exceed 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> per month.
With ime delay relay set to meroa
'l Y.5ecos,ds m 4,,,,,,
/
)
ending NRC approval of dif f erent value]
1 HATCH - UNIT 1 3.9-6a Amendment No. 62, M, 82
ELECTRICAL p0WER SYSTEMS 3/4.8.2 ONSITE POWER DISTRIBUTION SYSTEMS ELECTRIC POWER MONITORING FOR REACTOR PROTECTION SYSTEM LIMITING CONDITION FOR OPERATION
('
3.8.2.7 The power.yonitoring system for a RPS MG set or the Alternate Source shall be OPERABLE if in :arvice.
APPLICABILITY: At all times.
ACTION:
With the power monitoring system for a RPS MG set or the Alternate Source inoperable, restore the inoperable power monitoring system to OPERABLE status within 30 minutes or remove the RPS MG set or Alternate Source associated with the inoperable power monitoring system from service.
One channel of a power monitoring system may be inoperable, as necessary for test or maintenance, not to exceed 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> per month.
SURVEILLANCE REOUIREMENTS
(
4.8.2.7 The above specified RPS power monitoring system instrumentation shall be determined OPERABLE:
At least once per 6 months by performing a FUNCTIONAL TEST; a.
and b.
At least once per operating cycle by demonstrating the OPERABILITY of ever voltage, under voltage and under-frequency protective instrumentation by performance of a CHANNEL CALIBRATION including simulated automatic actuation of the protective relays, tripping logic and output circuit breakers and verifying the following setpoints.
1.
Over-voltage s 132 VAC, /
"# #88 f * # # 78 4 3Eows hauwag 2.
er-voltage 2 108 VAC, with time delay relay set to biwuos nam, 3.
Under-frequency 2 57 Hz.
"
- M t DMAr Mt.at sdr n 4,,
.A (PendingNRCapprovalofdifferentvalu P
HATCH - UNIT 2 3/4 8-24 Amendment No. 23
LIMITING C0f0lT10NS FOR OPERATION SURVElttANCE RE0VIRD4EhTS C.
Diesel Generator Reouirements (Reactor 4.9.D.
Electric Power Monitorina for in the Shutdown or Refuel Model Beactor Protection Syst.MD (Continued) 1.
Work is being done which has the
$pgelfications:
potential for draining the reactor pressure vessel, or
- 1. The Electric Power Monitoring for the Reactor Protection System 2.
Secondary containment is required, shall be demonstrated operable:
or
.(a) At least one per 6 months 3.
A core or containment cooling sys-by performing a FUNCTIONAL tem is required.
- TEST, D.
Electric power Monitorino for the (b) At least once per operating Reactor Protection System cycle by demonstrating the OPERABILITY of under-voltage, over-voltage and under-frw Specifications:
quency protective instrunenta-tion by perfonnance of a CHMNEL 1.
When either of the RPS MG sets or the CAllBRATION including simu-Alternate Sourte is in service, its lated automatic actuation of power monitoring system shall be the protective relays, trip-OPERABL E.
ping logic and output cir-cuit breaker., and verifying (a) If the power monitoring system is the following setpoints:
not OPERABLE and Operability cannot be restored within 30 (1) Over-voltage 5132 VAC, with minutes of discovery, remove the time delay relay set to power supply from service imediately 4 seconds maximum, thereafter.
(2) Under-voltage 1108 VAC, (b) Ona channel of a power monitoring with time delay relay set system may be inoperable, as to 4 seconds maximtsn, I
necessary for test or maintenance, not to exceed 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> per m nth.
(3) Under-frequexy 157 Hz, with time delay relay set to 4 seconds maximtsn.
l I
midi - UNIT 1 3.9-6a techsp\\h\\93-0901\\82. pro
1 a
i ELECTRICAL POWER SYSTEMS 3/4.8.2 ONSITE POWER DISTRIBUTION SYSTEMS ELECTRIC POWER MONITORING FOR REACTOR PROTECTION SYSTEM LIMITING CONDITION FOR OPERATION 3.8.2.7 The power monitoring system for a RPS MG set or the. Alternate Source
+
shall be OPERABLE if in service.
APPLICABILITY: At all times.
ACTION:
With the power monitoring system for a RPS MG set or the Alternate Source inoperable, restore the inoperable power monitoring system to OPERABLE status within 30 minutes or remove the RPS MG set or Alternate Source associated with the inoperable power monitoring system from service.
1 One channel of a power monitoring system may be inoperable, as necessary for test or maintenance, not to exceed 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> per month.
SURVEILLANCE REOUIREMENTS 4.8.2.7 The above specified RPS power monitoring system instrumentation shall be determined OPERABLE:
a.
At least once per 6 months by performing a FUNCTIONAL TEST; and b.
At least once per operating cycle by demonstrating the OPERABILITY of over-voltage, under-voltage and under-frequency protective instrumentation by performance of a CHANNEL CALIBRATION including simulated automatic actuation of the protective relays, tripping logic and output circuit breakers and verifying the following setpoints.
I.
Over-voltage s 132 VAC, with time delay relay set to 4 seconds
- maximum, 2.
Under-voltage 2108 VAC, with time delay relay set to 4 seconds maximum, and 3.
Under-frequency 2 57 Hz, with time delay relay set to 4 seconds maximum.
l HATCH - UNIT 2 3/4 8-24 techsp\\h\\93-09U2\\23. pro i-q q