ML20214J153

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Proposed Recovery Operations Plan Sections 4.9.12.1.e & 4.9.12.2.e,reflecting Use of Local D/P Indicators for Determining Differential Pressure in Auxiliary & Fuel Handling Bldgs
ML20214J153
Person / Time
Site: Crane Constellation icon.png
Issue date: 05/20/1987
From:
GENERAL PUBLIC UTILITIES CORP.
To:
Shared Package
ML20214J138 List:
References
NUDOCS 8705270669
Download: ML20214J153 (2)


Text

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My REQUIREENTS

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Fuel Handling Building Pressure: Demonstrate that~the~ system is capable of achieving a negative pressure within the building equal to or greater-(more negative) than 1/8 inch water gauge with respect to atmospheric.. It may be necessary to close doors and.

v other building openings.to achieve the required value. A test' instrument, such as an inclined manometer or equivalent, shall be

.used'in the performance of this test.

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After structural maintenance of the EPA filter or charcoal adsorber nousings, or.following fire or chemical release.in any ventilation ~ zone.

communicating with the system by verifying that the ventilation system.

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meets the following conditions:

1..

Flow Test:- Reverify exhaust flow rate for the affected filter train (s) per Section 4.9.12.1.b.2.

2.

' Filter Pressure Drop: Reverify the filter pressure' drop surveillance prescribed'in Section 4.9.12.1.a.2 for the affected filter train (s).

3.

DOP Test: Each affected filter train shall be retested in accordance with Section 4.9.12.1.b.3.

D.

After each complete or partial replacement of a EPA filter bank by -

verifying that the ventilation system meets the following conditions:

1.

DOP Test: Each affected filter train shall be retested in accordance with Section 4.9.12.1.b.3.

E.

At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by checking a d/p alarm or d/p indication.

NOTE:

Supply fans may be operated as desired except that the number of operating supply fans shall not exceed the number of operating exhaust fans.

4.9.12.2 The Auxiliary Building Air Cleanup Exhaust System shall be demonstrated OPERABLE:

a.

At least onae per 31 days by verifying that the air cleanup exhaust system in the normal operating mode meets the following conditions:.

1.

Deleted.

2.

Filter Pressure Drop: The d/p across the combined EPA. filters and charcoal adsorbers shall not exceed 6 inches water gauge.

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.i SURVEILLANCE REQUIREENTS ~

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.DOP Test: Each affected filteritrain shall be retested in accordance with Section 4.9.12.2.b.3.

- d.

After each complete or. partial replacement' of a EPA filter bank by verifying that the ventilation system meets the following conditions.-

1.

DOP Test:.Each affected filter train shall be: retested in accordance with Section 4.9.12.2.b.3.

e.

At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by checking a d/p alarm or d/p indication.

NOTE: Supply fans may be. operated as desired except that the number of operating supply-fans shall not exceed the number of operating exhaust fans.

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