ML072960181

Technical Specifications, Issuance of Amendment Administrative Control of Penetrations During Refueling

ML072960181
Person / Time
Site:	Davis Besse
Issue date:	10/17/2007
From:	NRC/NRR/ADRO/DORL/LPLIII-2
To:
Wengert, Thomas NRR/DORL 415-4037
Shared Package
ml072630545	List: ML072960181
References
TAC MD4421
Download: ML072960181 (2)

Text

REFUELING OPERATIONS CONTAINMENT PENETRATIONS LIMITING CONDITION FOR OPERATION 3.9.4 The containment penetrations shall be in the following status:

a. The equipm ent hatch cover closed and held in place by a minimum of four bolts, except the equipment hatch may be open provided the requirements of Specification 3,9.12 are satisfied,

b. A minimum of one door in each air lock closed, but both doors of the containment personnel air lock may .be open provided that at least one personnel air lock door is capable of being closed and a designated individual is available immediately outside the personnel air lock to close the door, and

c. Each penetration providing direct access from the containment atmosphere to the atmosphere outside containment shall be either:

I. Closed by a manual or automatic isolation valve, blind flange, or equivalent, or

2. Be capable of being. closed from the control room by an OPERABLE containment purge and exhaust valve upon receipt of a high radiation signal from the containment purge and exhaust system noble gas monitor.

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NOTE ---------- -------------------------

Penetration flow path(s) providing direct access from the containment atmosphere to the outside atmosphere may be unisolated under administrative controls.

APPLICABILITY: During CORE ALTERATIONS or movement of irradiated fuel within the containment.

ACTION:

a. With the requirements of the above specification not satisfied, immediately suspend all" operations involving CORE ALTERATIONS or movement of irradiated fuel in the containment.

b. With the re quirements of Specification 3.9.4.cnot satisfied for the containment purge and exhaust system, close at least one of the isolation valves for each of the purge and exhaust penetrations providing direct access from the containment atmosphere to the outside atmosphere within one hour.

c. The provisions of Specification 3.0.3 are not applicable.

DAVIS-BESSE, UNIT I 3/49-4 DAVI-B Amendment ESE, NIT No.3/49-4 186, 202, .221, 251, 277

REFUELING OPERATIONS CONTAINMENT PENETRATIONS SURVEILLANCE REQUIREMENTS 4.9.4 Each of the above required containment penetrations shall be determined to be either in its required condition or capable of being closed by an OPERABLE containment purge and exhaust valve, within 100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> prior to the start of and at least once per 7 days during CORE ALTERATIONS or movement of irradiated fuel in the containment, by:

a. Verifying the penetrations are in their required condition, or

b. Verifying that with the containment purge and exhaust system in operation, and the containment purge and exhaust system noble gas monitor capable of providing a high radiation signal to the control room, that after initiation of the high radiation signal, the containment purge and exhaust isolation valves can be closed from the control room.

DAVIS-BESSE, UNIT 1 3/4 9-5 Amendment No. 186, 202, 224, 277