ML20248G804
| ML20248G804 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 03/31/1989 |
| From: | UNION ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20248G793 | List: |
| References | |
| NUDOCS 8904130578 | |
| Download: ML20248G804 (4) | |
Text
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p, REviSloy
.I PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) c.
At least once per 18 months, or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following i
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 guidance in Regulatory Pesitions C.S.a, C.5.c, and C.S.d of goooc;m!*7dcl Regulatory Guide 1.52, Revision 2, March 1978, and the system S oo d m.,,,
flow rate is...
m m _,. ~ for the Filtration System and g %
.,o
^00 cfm i 10% for the Pressurization System with 000 cfm 10 22.cocim
- Bw 4co going through the Pressurization System filter adsorber unit; 2)
Verifying, within 31 days af ter removal, that a laboratory analysis of a representative
- carbon sample )btained in accordance with Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, March 1978, meets the laboratory testing criteria of Regulatory Boo Position C.6.a of Regulatory Guide 1.52, Revision 2, March ZZo0 04m +-4co 1978, for a methyl iodide penetration of less than 1%; and { 20c cim,,,,o g
o Verifying a system \\ flow rate of 0000 cf[' 10% for the Filtration 3)
Soo h tsoo System and 2000 cfm _ 10%-for the PressurTzetion Syscem with
. so 500 cfm 10% going through the Pressurization System filter adsorber unit during system operation when tested in accordance with ANSI N510-1975.
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 iodide penetration of less than 1%;
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 gg + Soo 2cooc4m ]~ O ter Gauge while operating the system at a flow rate f
- 50
-2000 cfm _, 10% for the Filtration System and 500 cfm 1.0% 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 l
through the HEPA filters and charcoal adsorber banks; 3)
Verifying that the system maintains the control room at a M8 positive pressure of greater than or equal to inch Water Gauge relative to the outside atmosphere during system operation; and 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 8904130578 890331 PDR ADOCK 05000483 PDC p
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PLAN'I SYS1 EMS
-s' StlRVLILLANCE REQUIREMENTS (Continued) f.
After each co-iplete or partial replacement of a HEPA filter bank, by l
Verifying that the cleanup system satisfies the in place penetration 2coe d m *7*
- I and bypass leakage testing criteria of less than 1% in accordance r
with ANSI N510-1975 for a DOP test aerosol while operating the system
,E at a flow rate of-0000*cf
- 10% for the Filtration System and
,f 5ee 4 00 cf,,, i 10% for-the Pressurization System filter adsorber unit; and g.
After each complete or partial replacement of a charcoal adsorber bank, by verifying that the cleanup system satisfies the in place penetration ar.d bypass leakage testing criteria of less than 1%
in accordance with ANSI N510-1975 for a halogenated hydrocarbon-ge(p, + 78*
efrigerant test gas while operating the system at a flow rate of l
100 000 cfa._, 10% for the Filtration System and 00^ cfs. 1 10% for the Pressurization System filter adsorber unit.
Boo cfm + s oo
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l AIR FLOW RATES (CFM)
TABLE 1 l
l.
Tech Spec Flow (CFM)
Actual Flow (CFM)
Allowed Operational Rated Tolerance Rated Flow Rannes Filtration Unit 2000 1800 - 2200 2000 1800 - 2700 Pressurization Unit 2000 1800-- 2200 2200*
1800 - 3000 Pressurization Filter 500 450 - 550 500 450 - 1000 N
The 2000 CFM rating in the technical specifications is inaccurate j
since each unit was designed for 2200 CFM.
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