ML052710091
| ML052710091 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 09/27/2005 |
| From: | NRC/NRR/DLPM |
| To: | |
| Beltz T, NRR/ DLPM, 301-415-3049 | |
| Shared Package | |
| ML052430706 | List: |
| References | |
| TAC MC3569, TAC MC3570 | |
| Download: ML052710091 (2) | |
Text
v DC Sources-Operating 3.8.4 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.4.2 Verify no visible corrosion at battery terminals 92 days and connectors.
OR Verify battery connection resistance Is within limits.
SR 3.8.4.3 Verify battery cells, cell plates, and racks show 12 months no visual Indication of physical damage or abnormal deterioration that could degrade battery performance.
. Remove visible terminal corrosion, and verify 12 months battery cell to cell and terminal connections are coated with anti-corrosion material.
SR 3.8.4.5 Verify battery connection resistance Is within 12 months limits.
SR 3.8.4.6 Verify battery chargers D-07, D-08, and D-09, while 18 months operating at the current limit setting, each supply 2 320 amps at greater than or equal to the minimum established float voltage for k 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, and battery chargers D-107, D-108, and D-1 09, while operating at the current limit setting, each supply. 420 amps at greater than or equal to the minimum established float voltage for 2 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.
OR Verify each battery charger can recharge the battery to the fully charged state within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> while supplying the largest combined demands of the various continuous steady-state loads, after a battery discharge to the bounding design basis event discharge state.
(continued)
Point Beach 3.8.4-2 Unit 1 - Amendment No. 221 Unit 2 - Amendment No. 227
DC Sources-Operating 3.8.4 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY S R 3.8.4.7 NOTES-------------------------
The modified performance discharge test in SR 3.8.4.8 may be performed in lieu of SR 3.8.4.7.
I Verify battery capacity is adequate to supply, and maintain in OPERABLE status, the required emergency loads for the design duty cycle when subjected to a battery service test.
18 months t
SR 3.8.4.8 Verify battery capacity is 2 80% of the manufacturer's rating when subjected to a performance discharge test or a modified performance discharge test.
60 months AND 12 months when battery shows degradation or has reached 85% of expected life with capacity
< 100% of manufacturer's rating AND 24 months when battery has reached 85% of the expected life with capacity 2 100% of manufacturer's rating Point Beach 3.8.4-3 Unit 1 - Amendment No. 221 Unit 2 - Amendment No. 227