ML030850040
| ML030850040 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 03/25/2003 |
| From: | NRC/NRR/DLPM/LPD2 |
| To: | |
| mozafari B, NRR/DLPM, 415-2020 | |
| References | |
| TAC MB5680, TAC MB5681 | |
| Download: ML030850040 (4) | |
Text
SLC System 3.1.7 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.1.7.2 Verify temperature of sodium pentaborate 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> solution is within the limits of Figure 3.1.7-2.
SR 3.1.7.3 Verify temperature of pump suction and 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> discharge piping up to the SLC injection valves is within the limits of Figure 3.1.7-2.
SR 3.1.7.4 Verify continuity of explosive charge.
31 days SR 3.1.7.5 Verify the concentration of boron in 31 days solution is within the limits of Figure 3.1.7-].
AND Once within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after water or boron is added to solution AND Once within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after solution temperature is restored within the limits of Figure 3.1.7-2 (continued)
Amendment No. 255 Brunswick Unit 2 3.1-21
SLC System 3.1.7 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.1.7.6 Verify each pump develops a flow rate In accordance z 41.2 gpm at a discharge pressure with the
>1190 psig.
Inservice Testing Program SR 3.1.7.7 Verify flow through one SLC subsystem from 24 months on a pump into reactor pressure vessel.
STAGGERED TEST BASIS SR 3.1.7.8 Verify sodium pentaborate enrichment is Prior to S47 atom percent B-10.
addition to SLC tank Amendment No. 255 Brunswick Unit 2 3.1-22
SLC System 3.1.7 2200 2400 2600 2800 3000 3200 3400 NET VOLUME OF SOLUTION IN TANK (gallons)
Figure 3.1.7-1 (page 1 of 1)
Sodium Pentaborate Solution Volume Versus Concentration Requirements Amendment No. 255 11 z 0 z
0 z 0 0
0 10 4-'
C I
0
.0 co 4-'
0.*
.2 Co r0 0i9
- 0.
4-.
8 Ar-L 2000 Brunswick Unit 2 3.1-23
SLC System 3.1.7 8
9 10 11 CONCENTRATION (Weight Percent Pentaborate in Solution)
Figure 3.1.7-2 (page 1 of 1)
Sodium Pentaborate Solution Temperature Versus Concentration Requirements Amendment No. 255 110 100 90 LL FW ILl I--
80 70 60 50 40 30 Brunswick Unit 2 3.1-24