ML040980399

Technical Specification Pages for Kewaunee, Authorizing Changes to the Surveillance Requirements for Containment Integrated Leak Rate Testing in TS 4.4.a, Interval Leak Rate Test (Type A).

ML040980399
Person / Time
Site:	Kewaunee
Issue date:	04/06/2004
From:	NRC/NRR/DLPM
To:
References
TAC MB9907
Download: ML040980399 (1)

Text

- ' I %

4.4 CONTAINMENT TESTS APPLICABILITY Applies to integrity testing of the steel containment, shield building, auxiliary building special ventilation zone, and the associated systems including isolation valves.

OBJECTIVE To verify that leakage from the containment system is maintained within allowable limits in accordance with 10 CFR Part 50, Appendix J.

SPECIFICATION

a. Integrated Leak Rate Tests (Type A)

Perform required visual examinations and leakage rate testing in accordance with the Containment Leakage Rate Testing Program.

As a one-time change, the Type A test frequency specified in NEI 94-01 ,Revision 0, Paragraph 9.2.3, as "...at least once per 10 years based on acceptable performance history" is changed to "...at least once per 15 years based on acceptable performance history." This change applies only to the interval following the Type A test performed in April 1994.

b. Local Leak Rate Tests (Type B and C)

Perform required air lock, penetration, and containment isolation valve leakage testing in accordance with the Containment Leakage Rate Testing Program.

c. Shield Building Ventilation System

1. At least once per operating cycle or once every 18 months, whichever occurs first, the following conditions shall be demonstrated:

a. Pressure drop across the combined HEPA filters and charcoal adsorber banks is

• 10 inches of water and the pressure drop across any HEPA filter bank is

< 4 inches of water at the system design flow rate (+/-10%).

b. Automatic initiation of each train of the system.

c. Operability of heaters at rating and the absence of defects by visual observation.

Amendment No. 173 TS 4.4-1