ML20113G280

Proposed Tech Spec Correcting Kw Capacity for Voltage Variation in Standby Gas Treatment Sys Duct Heater

ML20113G280
Person / Time
Site:	LaSalle
Issue date:	01/15/1985
From:	COMMONWEALTH EDISON CO.
To:
Shared Package
ML20113G256	List: ML20113G253 ML20113G280
References
NUDOCS 8501240303
Download: ML20113G280 (3)

Text

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- 1 CONTAINMENT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

b. At least once per 18 months or (1) after any structural maintenance on the HEPA filter or charcoal adsorber housings, or (2) following painting, fire, or chemical release in any ventilation zone communicating with the subsystem by: , l 1.

Verifying that the subsystem satisfies the in place testing acceptance criteria and uses the test procedures of Regulatory Positions C.S.a, C.S.c and C.S.d of Regulatory Guide 1.52, Revision 2, March 1978, and the system flow rate is 4000 cfm i 10%.

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 Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978.

3. Verifying a subsystem flow rate of 4000 cfm + 10% during system operation when tested in accordance with ANST N510-1975.

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 b'y verifying within 31 days af ter 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, Mar:h 1978, meets the laboratory testing criteria of Regulatory Position C.6.a of Regulatory Guide 1.52, Revision 2, March 1978.

d. 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 or equal to 8 inches Water Gauge while operating the filter train at a flow rate of 4000 cfm 10%.

2. Verifying that the filter train starts and isolation dampers open on each of the following test signals:

a. Reactor' Building exhaust plenum radiation - high,

b. Dryvell pressure - high,

c. Reactor vessel water level - low low, level 2, and

d. Fuel pool vent exhaust radiation - high."

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3. Verifying that the heaters dissipate g 2.0 kw when tested in accordance with ANSI N510-1975.TMS READinKr MAu. If0c.LOOE' .

The APf'ROPRipTE c,oRRE(TtoN FOR Y ARI ATtoO$ Ptolvg 4BO Volt 5 A7 r d Bus, '

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LA S$LLE - UNIT 1 3/4 6-41 Amendment No 18'

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- - i

_ CONTAINMENT SYSTEMS SURVEILLANCE REOUIREMENTS (Continued)

b. _

At least once per 18 months or (1) after any structu on the HEPA filter or charcoal adsorber housings ral maintenance painting, fire, or chemical release in any ventilation, zone or (2) following communicating with the subsystem by:

1.

Verifying that the subsystem satisfies the in place esting t

-Positions C.S.a, C.S.c and C.S.d ofry Regulatory G

- Revision 2, March 1978, and the system flow cfm .

rate is 4000

2. 10%.

Verifying within 31 days after removal that a laborato ry analysis Regulatory Position C.6.b of Regulatory , Revision 2, Guide 152 March 1978, meets the laboratory testing criteria of R Position C.6.a of Regulatory Guide 1.52 egulatory

3. , Revision 2, March 1978.

Verifying a subsystem flow rate of 4000 cfmuring + 10% system d

c.

operation when tested in accordarce with ANSI N510-1975 .

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 veri fying within 31 days after removal that a laboratoryof analysis a

representative Position C.6.b ofcarbon sample Regulatory Guideobtained in accordance 1.52, Revision e u2 atory with R g l

, March 1978, of Regulatory Guide 1.52, Revision 2,on March C.6.a 1978 meets

d. .

At least once per 18 months by:

1.

Verifying that the pressure drop across the combined HEPA fil tersto 8 inch s and charcoal adsorber banks is less than or equal e water 4000 cfmgauge 10%. while operating the filter train at a flow e of rat 2.

Verifying that the filter train starts and isolation pers dam open on each of the following test signals: aw__ 2m a.

b. Reactor Building exhaust plenum radiation - high Drywell pressure - high, c.

d.

Reactor vessel water level - low low, level 2, and Fuel pool vent exhaust radiation - high.

3. 23 Verifying that the heaters dissipate 26" g; ?95K accordance with ANSI N510-1975. Tm5 ETHE. READ % SHALL APPRoP1MTe Tne Bus . cottRECTioM FOR VARI %oro$ TR,om 4 C

LA SALLE - UNIT 2 3/4 6-44 s e

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y ATTACHMENT 3 EVALUATION OF NO SIGNIFICANT HAZARDS CONSIDERATION

-Description mendment' Request 1An amendment to'the Technical Specifications for LaSalle

. duct heater capacity rating to a corrected 480 volt value. Coun Basis for Proposed No Sionificant Hazards Consideration Determination cation of specific standards for determining whether a signfic

.14870).

hazards consi-deration exists by providing certain examples-(48 FR

._ Example (i) allows for purely administrative changes. .This proposed determine _amendment clarifies what rated voltage is to be used -to heater-capacity.

of the Technical Specification, therefore, Commonwealth- EdisonThe rev considers-the'che.nge to.be administrative in nature.

Therefore, since this application for amendment involves a

. hazards consideration exists,' Commonwealth Edison has mad

determination that the application involves no significant hazards consideration. .

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