ML040020079
| ML040020079 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 12/30/2003 |
| From: | NRC/NRR/DLPM |
| To: | |
| References | |
| TAC MC1643 | |
| Download: ML040020079 (1) | |
Text
TABLE 4.8-1 DIESEL GENERATOR TEST SCHEDULE (Not used)
SPECIFICATION NOTATIONS (1)
Loss of one 13.8 kV Standby Bus to 4.16 kV ESF bus line constitutes loss of one offsite source. Loss of two 13.8 kV Standby busses to 4.16 kV ESF bus lines constitutes loss of two offsite sources.
(2)
All diesel generator starts for the purpose of these surveillances may be preceded by a prelube period.
(3)
A diesel generator start in less than or equal to 10 seconds (fast start) shall be performed every 184 days. All other diesel generator starts for the purpose of this surveillance may be modified starts involving reduced fuel (load limit) and/or idling and gradual acceleration to synchronous speed.
(4)
Generator loading may be accomplished in accordance with vendor recommendations, including a warmup period prior to loading.
(5)
The diesel generator start for this surveillance may be a modified start (see SR 4.8.1.1.2a.2)).
(6)
Momentary transients outside this load range due to changing conditions on the grid shall not invalidate the test.
(7)
If Specification 4.8.1.1.2a.2) is not satisfactorily completed, it is not necessary to repeat the preceding 24-hour test. Instead, the standby diesel generator may be operated at 5000-5500 kW for a minimum of 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or until operating temperature has stabilized.
(8)
(Not used)
(9)
(Not used)
(10)
This test may be performed during power operation provided that the other two diesel generators are operable.
(11)
Credit may be taken for events that satisfy any of these Surveillance Requirements.
(12)
For the Unit 2 Train B standby diesel generator (SDG 22) failure of December 9, 2003, restore the inoperable standby diesel generator to OPERABLE status within 113 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 />.
SOUTH TEXAS - UNITS 1 & 2 3/4 8-7 Unit 1 - Amendment No. 68 122 Unit 2 - Amendment No. 57,11 0, 148, 149