ML023190159
| ML023190159 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 11/14/2002 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Benney B, NRR/DLPM, 415-3764 | |
| Shared Package | |
| ml023190526 | List: |
| References | |
| Download: ML023190159 (13) | |
Text
ACTIONS CONDITION REoUIRED-ACTION COMPLETION TIME E.
Two required DGs E.1 Restore one required 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.
OR 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> if-Division 3 DG is inoperable F.
Required'Action and F.1 Be in MODE 3.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> Associated Completion Time of Condition A.
AND B. C, D. or E not met.
F.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 /> G.
Three or more required G.1 Enter LCO 3.0.3.
Immediately AC sources inoperable.
Columbia Generating Station AC Sources-Operating 3.8.1 i
Amendment No.
4--
1691 3.8.1-5
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.1.1 Verify correct breaker alignment and 7 days indicated power availability for each offsite circuit.
NOTES...................
I.
All DG starts may be preceded by an engine prelube period and followed by a warmup period prior to loading.
- 2.
A modified DG start involving idling and gradual acceleration to synchronous speed may be used for this SR as recommended by the manufacturer.
When modified start procedures are not used, the time, voltage, and frequency tolerances of SR 3.8.1.7 must be met.
Verify each required DG starts from standby 31 days conditions and achieves steady state:
- a.
Voltage > 3910 V and < 4400 V and frequency Ž 58.8 Hz and < 61.2 Hz for DG-1 and DG-2; and
- b.
Voltage > 3910 V and < 4400 V and frequency 2 58.8 Hz and < 61.2 Hz for DG-3.
(continued)
Columbia Generating Station Amendment No.
- 149, 181 L
3.8.1-6
AC Sources-Operating 3.8.1 SURVEILLANCE REOUIREMENTS SURVEILLANCE FREOUENCY SR 3.8.1.3 ----
-N6--
-NOTES---.
- 1.
DG loadings may include gradual loading as recommended by the manufacturer.
- 2.
Momentary transients 6utside the load range do not invalidate this test.
- 3.
This Surveillance-shall be conducted on only one DG at a time.
- 4.
This SR shall be preceded by, and immediately foll6w`. iithoutfshutdown, a successful performance of SR 3.8.1.2 or SR 3.8.1.7.'
- 5.
The endurance test of SR 3.8.1.14 may be performed in lieu of the load-run test in SR 38.1.,3 provided the requiremenits, except-the'upper load
-limits, of SR 3.8.1.3 ire-met>'
Verify each required-DG is synchronized and 31 days loadedand operates f6r,> 60 minutes at a load > 4000 kW a6d (4400 kW for DG-I and DG-2, and > 2340 kWand < 2600 kW for DG-3.
SR 3.8.1.4 Verify each requi.red day tank contains 31 days
> 1400 gal of fuel '6il.
SR 3.8.1.5 Check for and remove accumulated water from 31 days "each required day tank.
(continued)
Columbia.Generating Station Aendmet No.
149,169-173 3;8.1-7
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.1.6 Verify each required fuel oil transfer 92 days subsystem operates to automatically transfer fuel oil from the storage tank to the day tank.
NOTE -------------------
All DG starts may be preceded by an engine prelube period.
Verify each required DG starts from standby 184 days condition and achieves:
- a.
For DG-1 and DG-2 in < 15 seconds, voltage > 3910 V and frequency
) 58.8 Hz. and after steady state conditions-are-reached, maintains voltage 2 3910 V and < 4400 V and frequency > 58.8 Hz and < 61.2 Hz; and
- b.
For DG-3. in S 15 seconds, voltage k 3910 V and frequency k 58.8 Hz, and after steady state conditions are reached, maintains voltage > 3910 V and < 4400 V and frequency Ž 58.8 Hz and. 61.2 Hz.
NOTE -------------------
The automatic transfer function of this Surveillance shall not be performed in MODE 1 or 2.
However, credit may be taken for unplanned events that satisfy this SR.
Verify automatic and manual transfer of the 24 months power supply to safety related buses from the startup offsite circuit to the backup offsite circuit.
(continued)
Columbia Generating Station Amendment No.
149-.,69414,181 AC Sources-Operating 3.8.1 I I 3.8.1-8
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.1.9 NOTES-----------------
- 1.
Credit may be taken.for unplanned events that satisfy this.SR.
- 2.
If performed with the DG synchronized with offsit~e p6cier, -it 'shall be performed at a power. factor as close
-to the power factor of the single largest post-:accident-load as practicable.
Verify each required DG rejects a load greater than or-equal. to-its associated single largest post-accident load, and 24 months fDllowing.load rejection, the frequency is
< 66.75 Hz.
SR 3.8.1.10
NOTES --------------------
I.
Credit may be taken-for unplanned events that-satisfy this SR.',
- 2.
If performed with the DG synchronized with offsite power, it shall be performed at the accident load power factor, or at a power factor as close to the accident load power factor as practicable-with the field excitation current > 90%of the contihuous rating.
Verify each required DG does not trip and voltage is maintained S"4784 V during and following a load-rejection'of a load 24 months
> 4400 kW for DG-1 and-DG-2 and > 2600 kW for DG-3.
(continued)
C'-Amendment No.
f4"9,-
.69 173 AC Sources-Operating 3.8.1 Columbia Generating Station
,"3.8.1-9
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE SR 3.8.1.11
NOTES ------------------
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not be performed in MODE 1, 2. or 3.
However, credit may be taken for unplanned events that satisfy this SR.
Verify on an actual or simulated loss of offsite power signal:
- a.
De-energization of emergency buses;
- b.
Load shedding from emergency buses for Divisions I and 2; and
- c.
DG auto-starts from standby condition and:
- 1. energizes permanently connected loads in < 15 seconds for DG-1 and DG-2.
and in < 18 seconds for DG-3,
- 2.
energizes auto-connected shutdown
- loads,
- 3. maintains steady state voltage
> 3910 V and < 4400 V.
- 4. maintains steady state frequency
Ž 58.8 Hz and < 61.2 Hz. and
- 5. supplies permanently connected and auto-connected shutdown loads for
> 5 minutes.
FREQUENCY 24 months (continued)
Columbia Generating Station Amendment No.
49.49
,181 I
3.8.1-10
AC Sources-Operating 3.8.1 SURVEILLANCE REOUIREMENTS SURVEILLANCE SR 3.8.1.12
NOTES--------
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance-shall not be
,performed in MODE'1 or 2.
- However, credit may be taken for unplanned events that satisfy this'SR.
Verify on an actual or simulated Emergency Core Cooling System (ECCS) initiation signal each required OG auto-starts from standby condition'and:
- a.
For DG-1 and DG-2.,in < 15 seconds achieves voltage Ž 3910 V, and after steady state conditions are reached.
maintains voltage Ž 3910 V and
< 4400 V and, for DG-3.
in
< 15 seconds achieves voltage
> 3910 V. and after steady state conditions are reached, maintains voltage > 3910 V and < 4400 V;
- b.
In < 15 seconds, achieves frequency
> 58.8 Hz and after steady state conditions are achieved, maintains frequency k 58.8 Hz and < 61.2 Hz; c.-
Operates for > 5 minutes:
- d.
Permanently connected loads remain energized from the offsite power system; and
- e.
Emergency loads are auto-connected to the offsite power system.
FREQUENCY 24 months (continued)
Columbia Generating Station I I
.3.8.1-11 Amendment No.
149.169,181
AC Sources-Operating 3.8.1 SURVEILLANCE REOUIREMENTS SURVEILLANCE SR 3.8.1.13
NOTE -------------------
Credit may be taken for unplanned events that satisfy this SR.
Verify each required DG's automatic trips are bypassed on an actual or simulated ECCS initiation signal except:
- a.
Engine overspeed;
- b.
Generator differential current; and
- c.
Incomplete starting sequence.
FRE QUENCY 24 months (continued)
Columbia Generating Station Amendment No.
149,469 173 3.8.1-12 I
I I
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.1.14
- NOTES.........----.......
- 1.
Momentary transients outside the load.
excitation-current, and power factor ranges do notzinvalidate this test.
- 2.
Credit may be taken for'unplanned events that satisfy this SR.
- 3.
If performed with the DG synchronized with offsite power, it shall be performed atthe accident load power factor, or at a-power. factor as close to the accident load power factor as practicable with the field excitation current > 90% of the continuous rating.
Verify each required DG operates for
> 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s:
24 months
- a.
For > 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.loaded > 4650 kW for DG-1 and DG-2, and Ž 2850 kW for DG-3; and
- b.
For the remaining hours of the test loaded > 4400 kW for DG-1 and DG-2, and > 2600 kW for DG-3.
(continued)
Columbia Generating Station I
3.8.1-13 Amendment No.
149,169 173
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.1.15 ------------------- NOTES ------------------
- 1.
This Surveillance shall be performed within 5 minutes of shutting down the DG after the DG has operated > 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> loaded > 4000 kW for DG-1 and DG-2.
and > 2340 kW for DG-3.
Momentary transients outside of load range do not invalidate this test.
- 2.
All DG starts may be preceded by an engine prelube period.
Verify each required DG starts and 24 months achieves:
- a.
For DG-1 and DG-2.
in < 15 seconds, voltage > 3910 V and frequency
> 58.8 Hz, and after steady state conditions are reached, maintains voltage > 3910 V and < 4400 V and frequency Ž 58.8 Hz and < 61.2 Hz; and
- b.
For DG-3, in < 15 seconds, voltage 2 3910 V and frequency > 58.8 Hz, and after steady state conditions are reached, maintains voltage. 3910 V and < 4400 V and frequency Ž 58.8 Hz and < 61.2 Hz.
(continued)
Columbia Generating Station Amendment No.
-49,169,181 I I 3.8.1-14
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE SR 3.8.1.16
NOTE----
,This Surveillance shall not-be performed in MODE,1.-2,'or 3.
However, credit may'be taken for unplanned events that satisfy this SR.
Verify each required'DG:K
- a.
Synchronizes with offsite'p'ower source while loaded with emergency loads upon
-a simulated restoration of offsite power;
- b.
Transfers loads to offsite power, source; and
- c.
Returns to-readytto-load operation.
SR 3.8.1.17
NOTE -------------------
Credit may be taken for unplanned events that satisfy this SR.
Verify, with a DG operating in test mode and connected to its bus, an actual:or simulated ECCS initiation signal overrides the test mode by:
- a.
Returning DG to ready-to-load operation; and-b.
Automatically energizing the emergency load from offsitepower.
(continued)
Amendment No.- 14-9169 173 FREOUENCY 24 months 24 months I
Q Columbia Generating Station 1 '3.8'.1-15
AC Sources-Operating 3.8.1 SURVEILLANCE REOUIREMENTS NOTE --------------------
This Surveillance shall not be performed in MODE 1. 2. or 3.
However, credit may be taken for unplanned events that satisfy this SR.
Verify interval between each sequenced load block is within +/- 10% of design interval for each time delay relay.
NOTES ------------------
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not be performed in MODE 1.
- 2.
or 3.
However, credit may be taken for unplanned events that satisfy this SR.
Verify, on an actual or simulated loss of offslte power signal in conjunction with an actual or simulated ECCS initiation signal:
- a.
De-energization of emergency buses;
- b.
Load shedding from emergency buses for DG-1 and DG-2; and
- c.
DG auto-starts from standby condition and:
- 1.
energizes permanently connected loads in < 15 seconds,
- 2.
energizes auto-connected emergency
- loads,
- 3.
maintains steady state voltage
> 3910 V and < 4400 V.
FREOUENCY 24 months 24 month5 cotnud Columbia Generating Station Amendment No.
14-9,169181 SURVEILLANCE SR 3.8.1.18 SR 3.8.1.19 FREQUENCY I
(continued) 3.8.1-16
AC Sources-Operating 3.8.1 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREOUENCY SR 3.8.1.19 (continued)
- 4.
maintains steady state frequency 2 58.8 Hz and < 61.2 Hz, and
- 5.
supplies permanently connected and auto-connected emergency loads for S5 minutes.
SR 3.8.1.20
- ---NOTE: -----
All DG starts may be preceded by an engine prelube period.
SL Verify, when started simultaneously from 10 years standby condition.-DG-1 and DG-2 achieves, in < 15 seconds, voltage > 3910 V and frequency 2 58.8 Hz, and DG-3 achieves, in
< 15 seconds, voltage > 3910 V and frequency Ž 58.8 Hz.
Columbia Generating Station I
3.8.1-17 Amendment No.
149.,69.181