ML20039D165
| ML20039D165 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 12/31/1981 |
| From: | NORTHEAST NUCLEAR ENERGY CO. |
| To: | |
| Shared Package | |
| ML20039D164 | List: |
| References | |
| NUDOCS 8112310377 | |
| Download: ML20039D165 (2) | |
Text
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c Docket No. 50-336 Attachment Millstone Nuclear Power Station, Unit No. 2 Proposed Revisions to Technical Specification Supplement to Reference (1)
December, 1981 8112310377 811218 PDR ADOCK 05000336 p
S'JRVEILL ANCE RE0*JIREtiEr:75 4.9.8.1 At least one shutdown' cooling loop shall be verified to be in opera-tion' and circulating reactor coolant at a flow rate consistent. with decay heat removal reciuirecents-at least'once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
4.9.8.2 Cnce per 7 days, t.he required shutdown cooling loops, if-not in operation, shall be determined OPERABLE by verifying ccrrect breaker alignments and indicated power availability for pump and shutdown cooling valves, or:
Verifying that the reactor vessel water level is at or above the vessel flange, the reactor vessel pit seal.is installed, and greater than 370,000 gallons or water is available as a heat sink, as indicated by either:
refuel pool level greater than 23 feet, above the reacto,r a.
vessel flange, or:
b.
the combined volume of the refuel pool and refueling water storage tank exceeds 370,000 gallons and a flow path is available from the refueling water storage tank to the refuel pool.
as.
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The shutdown cooling loop may be removed from operation for up to I hour per 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period during the performance of CORE ALTERATIONS in the vicinity of the reactor pressure vessel hot legs.
" The normal or emergency power source may be inoperable for each shutdown cooling loop.
MILL 5 TONE - UNIT 2 3/4 g.8a m
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