ML20248J701
| ML20248J701 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 03/31/1989 |
| From: | UNION ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20248J700 | List: |
| References | |
| NUDOCS 8904170006 | |
| Download: ML20248J701 (4) | |
Text
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'0 REviglay 2
PLANT SYSTEMS
, SURVEILLANCE REQUIREMENTS (Continued)
~
q c,. At:1 east once per 18 months, or (1) after any structural maintenance f
on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire or chemical release in any ventilation zone communicating with the system by:
1)
Verifying that the Control Room Emergency Ventilation System satisfies the in-place penetration and bypass leakage testing acceptance criteria of less than 1%~and uses the test. procedure
,h guidance in Regulatory Positions C.S.a C.5.c, and C.S.d.of "I
2coocQ700lReculatory Guide 1.52, Revision 2, March 1978, and the' system 5 03 d m,,,o
- / flow rate is -.... _ Pressurization System with 000- for the Filtration S
.s b_
" 00 ;f 1 10% for the
. fm _ 10
(.2tooe.5m e s 4m ing through the Pressurization System filter adsorber unit;-
2)
Verifying, within 31 days after removal, that a laboratory analysis '
i of.a representative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52,LRevision 2, March 1978, meets the laboratory testing criteria of Regulatory ZZoo 04m +eco-Position C.6.a of Regulatory Guide 1.52, Revision 2, March j 20o0 ch,73, 4ao 1978, for a methyl iodide penetration of less than 1%; and
, g,,,
=~s._,
Verifying a system { flow rate'of 0000'cf/ ^ 10% for the Filtration 3)
Soo'4, e soo System and 2000 cf. _10" for the Pressurization System with.
. fo 500 efa 10" going through the Pressurization System filter-adsorber unit during system operation when tested in accordance with ANSI H510-1975.
d.
After every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of charcoal adsorber operation by verifying within 31 days after removal, that a laboratory analysis of a represen-tative carbon sample obtained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory' testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52 Revision 2, March 1978, for a methyl lodide penetration 3
.of less than 1%;
I e.
At-least once per 18 months by:
1)
Verifying that the pressure drop across the combined HEPA filters and charcoal adsorber banks is less than 5.4 inches
- 9, soo 2eco cim + *2" ter Gauge while operating the system at a flow rate of
- so LOO cf.
10% for the Filtration System and ~00 cf.. _.0% for the Pressurization System filter adsorber unit; 2)
Verifying that on a Control Room Ventilation Isolation or High Gaseous Radioactivity test signal, the system automatically switches into a recirculation mode of operation with flow through the HEPA filters and charcoal adsorber banks; lM Verifying that the system maintains the controlf+ room at a 3) positive pressure of greater than or equal. to-b inch Water Gauge relative to the outside atmosphere during system operation; and I
4)
Verifying that the Pressurization System filter adsorber unit heaters dissipate 15 + 2 kW in the Pressurization System when tested in accordance with ANSI N510-1975.
CALLAWAY - UNIT 1 3/4 7-15 e
P
U $"'8l m t P,lAN15YSIEMS SURVEILLANCE REQUIREMENTS (Continued) f.
After each complete or partial replacement of a HEPA filter Dank, by verifying that the cleanup system satisfies the in-place penetration and bypass leakage testing criteria of less than 1% in accordance e
ZoooC4m+d*
with ANSI N510-1975 for a DOP test aerosol while operating the system b
at a flow rate of 0000*;f _ 10% for the Filtration System and Q,[ch+ 5eo "00 c fu..10% for the Pressurization System filter adsorber unit; and g.
Af ter each complete or partial replacement of a charcoal adsorber bank, by verifying that the cleanup system satisfies the in place penetration and bypass leakage testing criteria of less than 1%
in accordance with ANSI N510-1975 for a haiogenated hydrocarbon pp, + 7 8
- efrigerant test gas while operating the system at a flow rate of
&O O O c f...
10% for the Filtration System and "O^
- fu.
10%-for the Pressurization System filter adsorber unit.
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AIR FLOW RATES (CFM)'
. TABLE 1 Tech Spec Flow (CFM)
-Actual Flow (CFM)
Allowed:
Operational
-Rated.
Tolerance Rated Flow Ranges'..
Filtration Unit 2000 1800 - 2200 2000 1800'- 2700 Pressurization Unit 2000 1800
- 2200 2200*
1800 - 3000 Pressurization Filter
.500 450 - 550 500 450 - 1000 l
1 The 2000 CFM rating in the technical specifications is inaccurate i
since each unit was designed for 2200 CFM.
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