ML20094J273
| ML20094J273 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 03/09/1992 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20094J274 | List: |
| References | |
| NUDOCS 9203120270 | |
| Download: ML20094J273 (1) | |
Text
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CONTAINMENT SYSTEMS ANNULUS VENTIL.ATION SYSTEM LIMITINGCONDQ10NFOROpfRATION 3.6.1.8 Two independent Annulus Ventilation Systems shall be OPERABLE.
APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTION:
a.
With one Annulus Ventilation System inoperable for reasons other-than l
the pre heaters tested in 4.6.1.8.a and 4.6.1.8.d.$. restore the inoperable syttem to OPERABLE status within 7 days or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 tours.
b.
With the pre-heaters tested in 4.6.1.8.a and 4.6.1.8 d.S inoperable, restore the inoperable pre heaters to operable status within 7 days or file a Special Re) ort in accordance with Specification 6.9.2 within 30 days specifying. tie reason for-inoperability and the planned ac-tions to return the pre-heaters to operable status.
1 SURVEILLANCE REQUIREMENTS
^
- 4. 6. L 8 Each Annulus-Ventilation System sham be demonstrated OPERABLE:-
a.
At least once per t days on a STAGGERED TE4T BASIS by initiating, i
frofr the control room, flow through the HEPA filters and activated carun adsorbers and verifying that the system operates for at least 10 continuot.s hours with the pre heaters operating; b.
At least once per 18 months or (1) after any structural maintenance an the HEPA filter or activated carbon adsorber housings, or (2) fol-lowing painting fire, or chemical release in any ventflation zone communicatingwIththesystemby:
- 1) Verifying that the cleanup system satisfies the in place per.e-tration and bypass leakage testing acceptance criteria of less than 15 (Unit 1), 0.05% (Unit 2) and uses the test procedure quidanck in Regulatory Positions C.S.a. C.S.c. and C.S.d* of Regulation Guide 1.52, Revision 2, March 1978, and the system flow
-rate is 9000 cfm : 10t; tn
>;;'g
- 2) Verifying, within 31 cays after removal, that e laboratory analy.
oon sis"*.of a representative activated carbon sample obtained in I
88, accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, pg Revision 2, March 1978 and tested per ASTM D3803-89 has a methyl iodidepenetrationoflessthan4%;and ts u gg
- 3) Verifying a System flow rate of 9000 cfm t 10% during system ru operation when tested in accordance with ANSI N510 1980.
.r$
- Tle requirement for reducing refricerant concentration to 0.01 ppm may be shtisfied by operating the system for 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> with heaters on and operating.
CATAWBA - UNITS 1 & 2 3/4 6 14 Amendment No. 90 (Unit 1)
Amendment No. 84 (Unit 2) 3
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