ML030850040

Tech Spec Pages for Amendment 255 Standby Liquid Control Sodium Pentaborate Solution Concentration and Requirements

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)

Brunswick Unit 2 3.1-21 Amendment No. 255

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 Brunswick Unit 2 3.1-22 Amendment No. 255

SLC System 3.1.7 11 0

4-'

10 C

I z 0 0

co 4-'

0.*

z .0

.2 0z Co 0

0 r0 0i9 0.

4-.

8 Ar-L 2000 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 Brunswick Unit 2 3.1-23 Amendment No. 255

SLC System 3.1.7 110 100 90 LL 80 F

W 70 ILl I-- 60 50 40 30 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 Brunswick Unit 2 3.1-24 Amendment No. 255