ML20112A555

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Proposed Tech Specs Surveillance Requirement 4.7.6.e.4 to Reflect Design Change to Output Rating of Charcoal Filter Adsorber Unit Heater in Pressurization Sys Portion of CREVS
ML20112A555
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 05/16/1996
From:
WOLF CREEK NUCLEAR OPERATING CORP.
To:
Shared Package
ML20112A550 List:
References
NUDOCS 9605210341
Download: ML20112A555 (4)


Text

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Attechm2nt IV to WO 96-0069 Page 2 of 4 PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued) l c.

At least once per 18 months or (1) after any structural maintenance l

on the HEPA filter or charcoal adsorber housings, or (2) following l

painting, fire, or chemical release in any ventilation zone communicating j

with the system by:

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1) Verifying that the Control Room Emergency Ventilation System l

satisfies the in-place penetration and bypass leakage testing i

l acceptance criteria; of less than 1% for HEPA filters and 0.05%

l for charcoal adsorbers and uses the test procedure ruidance in Regulatory Positions C.S.a. C.5.c, and C.5.d of Regulatory Guide 1.52, Revision 2, March 1978, and the system flow rate is 2000 cfm 110% for the Filtration System and 2200 cfm 110% for the Pressurization System with 750 cfm110% going through the l

Pressurization System filter adsorber unit, i

2) Verifying, within 31 days after removal, that a laboratory analysis of a representative 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 Per'?'e / Per":en C.S.: ef Pe r'r'e j 09de 1.52,9:M:c-2, 'Arrd 1979, for : methy! :cd:de penetret!^^ Of ! err !"n 4% rand ASTM D3803-1989 when tested at 30*C and 70% relative humidity, for a methyl lodido penetration of less than 2%, and
3) Verifying system flow rate of 2000 cfm i10% at greater than j

or equal to 6.6 inches W.G. (dirty filter) for the Filtration System and 2200 cfm 110% at greater than or equal to 3.6 inches W.G. (dirty filter) for the Pressurization System with 750 cfm +10% going through the Pressurization System filter adsorber unit during system operation when tested in accordance with ANSI N510-1980.

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 Pe;r'ete ! er":en C.S.: Of Per!ct^^!

P G9de 1.52, 9:$!c. 2, *Acr219787fer : methy!:^dide penetration cf!cer then 1%; ASTM D3803-1989 when tested at 30*C and 70% relative humidity, for a methyl lodido penetration of less than 2%;

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 6.6 inches Water Gauge while operating the system at a flow rate of 2000 cfm 10% for the Filtration System and less than 3.6 inches Water Gauge while operating the system at a flow rate of 750 cfm 10%

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 l

the HEPA filters and charcoal adsorber banks, WOLF CREEK - UNIT 1 3/4 7-15 Amendment No. 22 l

9605210341 960516 PDR ADOCK 050004G2 P

PDR

Attachment IV to WO 96-0069 Page 3 of 4

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PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

3) Verifying that the system maintains the control room at a positive pressure of greater than or equal to 1/4 inch Water Gauge relative to the outside atmosphere during system operation, and
4) Verifying that the Pressurization System filter adsorber unit heaters dissipate W 5 i 1 kW in the Pressurization System when l

tested in accordance with ANSI N510-1975.

f.

After each complete or partial replacement of a HEPA filter 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 (however Prerequisite Testing, Sections 8 and 9 shall be in accordance with ANSI N510-1980) for a DOP test aerosol while operating the system at a flow rate of 2000 cfm 110% for the Filtra-tion System and 750 cfm 110% 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 and bypass leakage testing criteria of less than 0.05% in accordance with ANSI N510-1975 (however Prerequisite Testing, Sections 8 and 9 shall be in accordance with ANSI N510-1980) for a halogenated hydrocarbon refrigerant test gas while operating the system at a flow rate of 2000 cfm 10% for the Filtration System and 750 cfm 110% for the Pressurization System filter adsorber unit.

1 WOLF CREEK - UNIT 1 3/4 7-16 Amendment No. 22,66 1

Attachment IV to WO 96-0069 Page 4 of 4 REFUELING OPERATIONS SURVEILLANCE REQUIREMENTS (Continued) l

2) Verifying, within 31 days after removal, that a laboratory analy-sis of a representative carbon sample obtained in accordance with l

Regulatory Position C.6.b of Regulatory Guide 1.52, Revision 2, l

March 1978, meets the laboratory testing criteria of Pe*t- /

l

?^- C.S.: Of 090' / Oft 1.92, 099^^ 2, *?:rd 1979, l

f : methy! Me pt :tret:^ Of S : the. 4%, ASTM D38031989 when tested at 30*C and 70% relative humidity, for a methyl lodido penetration of less than 2%, and and

3) Verifying a system flow rate of 6500 cfm t10% at14.7 inches l

W.G. (dirty filter) during system operation when tested in I

accordance with ANSI N510-1980.

c. 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 repre-sentative carbon sample obtained in accordance with Regulatory Posi-l tion C.6.b of Regulatory Guide 1.52, Revision 2. March 1978, meets the laboratory testing criteria of Pet'^^/ P^:50. C.S.: Of n W '^ /

099 152,

Wt^- 2, "tr^' 1979, fer : me*y! Mt penetrf n rf 5 : tb *%; ASTM D38031989 when tested at 30*C and 70% relative 1

humidity, for a methyl lodido penetration of less than 2%, and j

d. At least once per 18 months by:
1) Verifying that the pressure drop across th6 combined HEPA filters and charcoal adsorber banks is less than or equal to 4.7 inches Water Gauge while operating the system at a flow rate of 6500 cfm 110%.
2) Verifying that the heaters dissipate 3713 kW when tested in accordance with ANSI N510-1975.
e. After each complete or partial replacement of a HEPA filter bank, by verifying that the cleanup system satisfies the in-place penetration and bypass leakage testing acceptanm criteria of less than 1%

in accordance with ANSI N510-1975 (however Prerequisite Testing, Sections 8 and 9 shall be in accordance with ANSI N510-1980) for a DOP test aerosci ufhile operating the system at a flow rate of 6500 cfm110%; and

f. After 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 acceptance criteria ofless than 0.05% in accordance with ANSI N510-1975 (however Prerequisite Testing, Sections 8 and 9 shall be in accordance with ANSI N510-1980) for e halogenated hydrocarbon refrigerant test gas while operating the system at a flow rate of 6500 cfm110%.
g. At least once per 18 months by:
1) Verifying that on a Fuel Building Exhaust Gaseous Radioactivity-High test signal, the system automatically starts (unless already operating) and directs its exhaust flow through the HEPA filters and charcoal adsorber banks and isolates the normal fuel building exhaust flow to the auxiliary / fuel building exhaust fan; j

WOLF CREEK - UNIT 1 3/4 9-18 Amendment No. 22 l

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Attrchm nt V to WO 96-0069 Page 1 of 6 l

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ATTACIDENT V CALCULATION GK-474

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