ML20150F922

Proposed Tech Specs,Removing Charcoal Adsorber Cooldown Mode from Reactor Encl Recirculation Sys & Standby Gas Treatment Sys

ML20150F922
Person / Time
Site:	Limerick
Issue date:	07/07/1988
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20150F895	List: ML20150F891 ML20150F913 ML20150F922
References
NUDOCS 8807190129
Download: ML20150F922 (3)

Text

.

. ' CONTAINMENT SYSTEMS ,

1 SURVEILLANCE REQUIREMENTS (Continued)

2. Verifying that the fan' starts and isolation valves necessary to draw a suction from the refueling area or the reactor' enclosure recirculation discharge open on each of the.following test signals:

a) Manual initiation from the control room, and b) Simulated automatic initiation signal.

3. Verifying that the temperature differential across each heater is 1 15 F when tested in accordaice with ANSI N510-1980.

e. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter bank satisfies the inplace penetration and leakage testing acceptance criteria of less than 0.05% in accordance with ANS: N510-1980 while operating the system at a flow rate of 3000 cfm i 10%.

f. After each complete or partial replacement of a charcoal adsorber bank by verifying that the charcoal adsorber bank satisfies the inplace penetration and leakage testing acceptance' criteria of less than 0.05% in accordance with ANSI N510-1980 for a halogenated hydrocarbon refrigerant test gas while operating the system at a flow rate of 3000 cfm i 10%.

c. Prior to initial criticality of Unit 2 or after any major system alteration:

1. Verify that when the SGTS fan is running the subsystem flowrate is 2800 cfm minimum from each reactor enclosure (Zones I and II) and 2200 cfm minimum from the refueling area (Zone III).

2. Verify that one standby gas treatment subsystem will drawdown reactor enclosure Zone I secondary containment to greater than or eaual to 0.25 inch of vacuum water gage in less than or eaual to 121 ;

seconds with the reactor enclosure recirculation system in operation l and the adjacent reactor enclosure and refueling area zones are in l their isolation modes. l a

8807190129 880707 PDR ADOCK 05000352 P PNV ,

LIMERICK - UNIT 1 3/4 6-54 l

, , Cl ;TA.I' .YSTEMS -

SURVEILLANCEREQUIREMENTS.(Continued).

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 representative carbon sample obtained in accordance with Regulatory Position C.6.b of Rrjulatory 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 iodine penetration of less than 1%.

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d. At least once per 18 months by:

1. Verifying that the pressure drop across the combined.prefilter, upstream and downstream HEPA filters, and charcoal adsorber banks is less than 6 inches water gauge while operating the filter train at a flow rate of 60,000 cfm11 0%, verifying that the prefilter pressure drop is le;s than 0.8 inch water gauge and that the pressure drop across each HEPA is less than 2 inches water gauge. -

2. Verifying that the filter train starts and the isolation valves which take suction on and return to the reactor enclosure open on each of the following test signals:

a. Manual initiation from the-control room, and

b. Simulated automatic initiation signal,

e. After each complete or partial replacement of a HEPA filter bank by verifying that the HEPA filter bank satisfies the inplace penetration and leakage testing acceptance criteria of less than 0.05% in accordance with ANSI H510-1980 while operating the system at a flow rate of 60,000 cfm i 10%.

f. After each complete or partial replacemer- of a charcoal adsorber bank by verifying that the charcoal adsorber baak satisfies the inplace penetration and leakage testing acceptance criteria of less than 0.05%

in accordance with ANSI N510-1980 for a halornated hydro-carbon refrigerant test gas while operating the system at a flow rate of 60,000 cfm i 10%.

LIMERICK - UNIT 1 3/4 6-56

4 . y , . .- _. . -

c.; .

UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION In the Matter of  : Docket No.: 50-352 PHILADELPHIA ELECTRIC COMPANY  :

(Limerick Generating Station,  :

Unit No. 1)

CERTIFICATE OF SERVICE I hereby certify that copies of the foregoing Application' for Amendment of Facility. Operating License NPF-39 ' in- the above captioned matter were served on the following by deposit in the United States Mail, first-class po stage prepaid, on the 7th day of July,1988.

W liiam T. Russell, Regional Administrator U S. Nuclear Regulatory Commission Region I 475 Allendale Road i King of Prussia, F.*. 19406 T. J. Kenny U.S. Nuclear Regulatory Commission Senior Resident Inspector P.C. Box 47 Sanatoga, PA 19464 Thomas Gerusky, Pirector Bureau of Radiological Protection i Department ct Environmental Resources P.O. Box 2063 Harrisburg, PA 17120 I a

y- 7bb{ ,

Eu[ene/.Bradley J /

Attorney for Philadelphia Electric Company

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