ML17229A760

Proposed Marked Up TS Pages Modifying Explosive Gas Mixture Surveillance Requirement 4.11.2.5.1 to Provide for Use of Lab Gas Partitioner to Periodically Analyze Concentration of Oxygen in Svc Waste Gas Decay Tank

ML17229A760
Person / Time
Site:	Saint Lucie
Issue date:	06/03/1998
From:	FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17229A759	List: ML17229A758 ML17229A760
References
NUDOCS 9806100102
Download: ML17229A760 (4)

Text

St. Lucie Unit 1 and Unit 2 Docket Nos. 50-335 and 50-389 Proposed License Amendments Ex Iosive Gas Mixture Monitorin Re uirements ATI ACHMENT 3 to FPL Letter L-98-125 ST. LUCIE UNITS 1 & 2 MARKED-UP TECHNICAL SPECIFICATION PAGES ST. LUCIE - UNIT 1, Page 3/411-14 ST. LUCIE - UNIT 2, Page 3/4 11-1 4 9806i00102 980603 PDR ADOCK 05000335 P PDR

3.11.2.5 The concentration of oxygen in the waste gas decay tanks shall be limited to less than or equal to 2% by volume whenever the hydrogen concentration exceeds 4% by volume.

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a. With the concentration of oxygen in the waste gas decay tank greater than 2% by volume but less than or equal to 4% by volume, reduce the oxygen concentration to the above limits within 48 houis.

b. With the concentration of oxygen in the waste gas decay tank greater than 4% by volume and the hydrogen concentration greater than 2% by volume, immediately susoend all additions of waste gases to the system and immediately commence reduction of the concentration of oxygen to less than or equal to 2% by volume.

c. The provisions of Specifications 3.0.3 and 3,0.4 are not applicable.

4.112.5.1 The concentration of oxygen i' waste gas decay tank shall be determined to be within the above limits by continuoull fhonitoring the waste gases in the on service waste gas decay tank.

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4.11.2.5.2 With the oxygen concentration in the on service waste gas decay tank greater than 2% by volume as determined by Specification 4.11M.5.1, the concentration of hydrogen in the waste gas decay tank shall be determined to be within the above limits by gas partitioner sample at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

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• When continuous monitoring capability is inoperable, waste gases shall be monitored in Gas accordance with the actions specified for the Waste Gas Decay Tanks Explosive Monitoring System in Chapter 13 of the Updated Final Safety Analysis Report.

ST. LUCIE- UNIT1 st411-14 Amendment No. 69, ~

V F p I 3.11.2.5 The concentration of oxygen in the waste gas decay tanks shall be limited to less than or equal to 2% by volume whenever the hydrogen concentration exceeds 4% by volume.

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a. With the concentration of oxygen in the waste gas decay tank greater than 2% by volume but less than or equal to 4% by volume, reduce the oxygen concentration to the above limits within 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />.

b. With the concentration of oxygen in the waste gas decay tank greater than 4% by volume and the hydrogen concentration greater than 2% by volume, immediately suspend all additions of waste gases to the system and immediately commence reduction of the concentration of oxygen to less than or equal to 2% by volume,

c. The provisions of Specifications 3.0.3 and 3.0.4 are not applicable.

4,112.5.1 The concentration of oxygen i waste gas decay tank shall be determined to be within the above limits by continuou onitoring the waste gases in the on senrice waste gas decay tank.

4,11.2.52 VYith the oxygen concentration in the on senrice waste gas decay tank greater than 2% by volume as determined by SpeciTication 4.112.5.1, the concentration of hydrogen in the waste gas decay tank shall be determined to be within the above limits by gas partitioner sample at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />..

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• When continuous monitoring capability is inoperable, waste gases shall be monitored in accordance with the actions specified for the Waste Gas Decay Tanks Explosive Gas Monitoring System in Chapter 13 of the Updated Final Safety Analysis Report.

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