ML20073T190
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| ML20073T190 | |
| Person / Time | |
|---|---|
| Site: | McGuire, Mcguire  |
| Issue date: | 05/04/1983 |
| From: | DUKE POWER CO. |
| To: | |
| Shared Package | |
| ML20073T175 | List: |
| References | |
| TAC-51383, TAC-51384, NUDOCS 8305100390 | |
| Download: ML20073T190 (1) | |
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EMERGENCY CORE COOLING SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) b.
At least once per 31 days and within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> after each solution volume increase of greater than or equal to 1% of tank volume by verifying the boron concentration of the solution in the water-filled accumulator; c.
At least once per 18 months by:
- 1) Verifying that each accumulator isolation valve closes automatically when the water level is 76.25 + 3.3 inches above the bottom inside edge of the water-filled accumulator with atmospheric pressure in the accumulator, and
- 2) Verifying that the total dissolved nitrogen and air in the feetofwater(equivalentto5x10gn80scfper1800 cubic water-filled accumulator is less th pounds nitrogen per pounds water).
d.
At least once per 5 years by replacing the membrane installed between the water-filled and nitrogen bearing accumulators and verifying that the removed membrane burst at a differential pressure of 40 + 10 psi.
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8305100390 830504 PDR ADDCK 05000 P
McGUIRE - UNITS 1 and 2 3/4 5-4 W