ML20149H882

Proposed Tech Specs Re Control Room Emergency Filter Sys

ML20149H882
Person / Time
Site:	Cooper
Issue date:	12/27/1994
From:	NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML20149H879	List: ML20149H877 ML20149H882
References
NUDOCS 9412300235
Download: ML20149H882 (2)

Text

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LIMTTING CONDITTONS FOR OPERATION SUUVETI T ANCE D EOUTP FMFNTS 3.'12.A (cont'd) 4.12.A (cont'd)

A. Control Room Emercenev Filter System A. Control Room Emernency Filter System

1. Except as specified in Specification 1.a. At least once per OPERATING CYCLE,

3.12.A.2 below, the Control Room the pressure drop l

Emergency Filter system, che diesel across the generators required for operation of combined HEPA filters and charcoal this system and the main control absorber banks shall be demonstrated room air radiation monitor shall be

, OPERABLE at all times when PRIMARY h to be 7 *- less than

"::i; 6 inchen (flowrate nf u*-e4 90

[ or SECONDARY CONTAINMENT INTEGRITY b. The tests and sample analysis of l is required. T9 - qency bjp :: Specifications fer : Ell 5: 6 ::n: n _ n;2 n pr. .;d; 4.12.A.l.c and 4.12.A.1.d shall be performed at l

1000 C% least once every 18 months for standby service or after every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system operation and following significant painting, fire or chemical release in any ventilation zone communicating with the system.

c. The results of the in-place cold DOP l leak tests on the HEPA filters shall show a 99% DOP removal. The results of the halogenated hydrocarbon leak tests on the charcoal adsorbers shall show a 99% halogenated l hydrocarbon removal. The DOP and

2. halogenated hydrocarbon tests shall l From and after the date that the be_ performed at ": :; - " ' - -

3 Control Room Emergency Filter system

/ is made or found to be inoperable (flowratep of M0 drM t 10 g g for any reason, reactor operations d. The results of laboratory carbon are permissible only during the sample analysis shall show a 99%

succeeding seven days unless the radioactive methyl iodide removal l system is sooner made OPERABLE. with inlet conditions of: velocity Refueling requirements are as a 39 FPM, a 1.75 mg/m inlet iodide 2

specified in Specification 3.10.G. concentration, a 95% R.H. and <

s 30*C. l l 3. If these conditions cannot be met, l reactor SHUTDOWN shall be initiated e. Cold DOP testing shall be performed g and the reactor shall be in COLD after each complete or partial l

i SHUTDOWN within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, replacement of the HEPA filter bank or after any structural maintenance on the system housing.

f. Halogenated hydrocarbon testing I shall be performed after each complete or partial replacement of the charcoal absorber bank or after any structural maintenance on the system housing,

g. The system shall be operated at I least 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> every month.

h. At least once per OPERATING CYCLE l automatic initiarton of the system shall be demonsti ted.

i. At least once per OPERATING CYCLE demonstrate the Control Room Emergency Filter System can maintain positive pressure relative to ad acent areas at a flowrate of 941230073s 941227 %O PDR ADOCK 0500 215a-P

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t LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REOUIREMENTS 3.12.A (copt'd) 4.12.A (cont'd)

A. C'ontrol Room Emeraency Filter System A. Control Room Emeroency Filter System

1. Except as specified in Specification 1.a. At least once per OPERATING CYCLE, l 3.12. A . 2 ' below, the Control Room 'the pressure ' drop across the Emergency Filter system, the diesel combined HEPA filters and charcoal generators required for operation of absorber banks shall be demonstrated '

this system and the main control to be less than 6 inches of water at room air radiation monitor shall be a flowrate of 900 CFM *10%.

I OPERABLE at all times when PRIMARY or SECONDARY CONTAINMENT INTEGRITY b. The tests and sample ' analysis of l-is required. Specifications 4.12.A.l.c and 4.12.A.l.d shall be performed at -

least once every- 18 months for standby service or after every 720 hours0.00833 days <br />0.2 hours <br />0.00119 weeks <br />2.7396e-4 months <br /> of system operation -and~ L following significant painting, fire or chemical release in any ventilation zone communicating with the system.

c. The results of the in-place cold DOP l leak tests on the HEPA filters shall show 2 99% DOP removal. The results of the halogenated hydrocarbon leak tests on the charcoal adsorbers shall show 2 99% halogenated l hydrocarbon removal. The DOP and halogenated hydrocarbon tests shall

2. From and after the date that the be performed at a flowrate Control Room Emergency Filter system 900 CFM 110%. of l is made or found to be inoperable for any reason, reactor operations d. The results of laboratory carbon are permissible only during the sample analysis shall show 2 99%

succeeding seven days unless the radioactive methyl iodide removal system is sooner made OPERABLE. with inlet conditions oft velocity Refueling requirements are as 2 39 FPM, 2 1.75 mg/m3 inlet iodide specified in Specification 3.10.G. concentration, 2 95% R.H. and 5 300C.

l 3. If these conditions cannot be met, l reactor SHUTDOWN shall be initiated e. Cold DOP testing shall be performed l l and the reactor shall be in COLD after each complete or partial SHUTDOWN within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. replacement of the HEPA filter bank l

or after any structural maintenance on the system housing.  ;

f. Halogenated hydrocarbon testing i shall be performed after each complete or partial replacement of the charcoal absorber bank or after any structural maintenance on the system housing.  !

g. The system shall be operated at l l least 10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> every month, h . At least once per OPERATING CYCLE l automatic initiation of the system shall be demonstrated.

i. At least once per OPERATING CYCLE demonstrate the Control Room Emergency Filter System can maintain positive pressure relative to adjacent areas at a flowrate of 5 990 CFM.

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