ML030850039

Tech Spec Pages for Amendment 227 Standby Liquid Control Sodium Pentaborate Solution Concentration and Requirements

ML030850039
Person / Time
Site:	Brunswick
Issue date:	03/25/2003
From:	NRC/NRR/DLPM/LPD2
To:
mozafari B, NRR/DLPM, 415-2020
Shared Package
ML030840368	List: ML030840350 ML030850039
References
TAC MB5680, TAC MB5681
Download: ML030850039 (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. 227 Brunswick Unit I 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

> 41.2 gpm at a discharge pressure with the Z 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

>47 atom percent B-10.

addition to SLC tank Amendment No. 227 Brunswick Unit 1 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. 227 11 z

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8.- L 2000 Brunswick Unit I 3.1-23

SLC System 3.1.7 8

9 10 CONCENTRATION (Weight Percent Pentaborate in Solution)

Figure 3.1.7-2 (page 1 of 1)

Sodium Pentaborate Solution Temperature Versus Concentration Requirements Amendment No.

227 110 100 90 U

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80 70 60 50 40 30 11 Brunswick Unit I 3.1-24