ML17278A592

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Proposed Tech Specs,Revising Section 4.6.1.2.d Re App J Type B & C Leak Rate Test Schedules
ML17278A592
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 01/31/1986
From:
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17278A591 List:
References
TAC-60740, NUDOCS 8602100231
Download: ML17278A592 (2)


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0 CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS Continued d.

Type B and C tests shall be conducted with gas at P

, 34.7 psig," at intervals no greater than 24<months except for testP involving:

l.

Air locks, 2.

Main steam line isolation valves, 3.

Valves pressurized with fluid from a seal

system, 4.

ECCS and RCIC containment isolation valves in hydrostatically

. tested lines which penetrate th'e primary containment, and e.

h.

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5.

Purge supply and exhaust isolation valves with resilient seals.

Air locks shall be tes ed and demonstrated OPERABLE per Surveillance Requi r ement 4. 6.1. 3.

Main steam line isolation valise shall be leak tested at least once per 18 months.

~V Leakage from isolation yal'ves that are sealed with fluid from a seal system may be excluded~suhject to the provisions of Appendix J,Section III.C. 3, when4determining the combined leakage rate, provided the seal system and",'valves are pressurized to at least 1. 10 P

a 38.2 psig, and the'eal system capacity is adequate to maintain system pressure for. at least 30 days.

ECCS and RCIC contain'ment isolation valves in hydrostatically tested lines which pentrate the primary containment shall, be leak tested at least once per 18 months.

Purge supply and exhaust isolation valves with resilient material seals shall be tested and demonstrated OPERABLE per Surveillance Requirements 4, 6. l. 8. 2 and 4. 6. 1. 8. 3.

The provisions of Specification 4.0.2.are not applicable to 24-month or 40 + 10 month surveillance intervals.

"Unless a hydrostatic test is required per Table 3.6.3-1.

    • 'Forthose tests conducted during refueling outages, the 24 month interval

'may be exceeded by no more than 3 months.

8602100231 860131 P

j WASHINGTON NUCLEAR - UNIT 2 3/4 6-4

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