ML20065U401

Proposed Tech Spec Page 4.13-2 Re 24-month Cycle Surveillance for Calibr of high-range Radioactive Noble Gas Effluent Monitors

ML20065U401
Person / Time
Site:	Oyster Creek
Issue date:	12/21/1990
From:	GENERAL PUBLIC UTILITIES CORP.
To:
Shared Package
ML20065U397	List: ML20065U395 ML20065U401
References
NUDOCS 9101020294
Download: ML20065U401 (3)

Text

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1 ATTACHMENT

'i The following attached Technical Specification pages should be substituted q

for the corresponding pages submitted via TSCR No. 185:

Revised Page: 4.1-B i New Pages 4.13-2 i

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l C3212041 9101Q2O294 901221 DR ADOCK0500g9

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TABI.E 4.1. I (cont *d). ,

O

n - Instrument Channel Check Calibrag Test Famarks (Acolles To Test and Calibration)  :

~4 . s M- r

e -

27. Scram Discharge Volume (Rod Block)

! .O a) Water level N/A 1/20 Every 3 By nrying level in switch column [

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7:

high months  !

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f b) Scram Trip bypass N/A N/A Each re- f

! fueling l outage

i. 28. Loss of Power

a) 4.16 KV Daily 1/24 mos. 1/20.

Emergency Bus

[ Undervoltage j (Loss of voltage)

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I 7 b) 4.16 KV Emergency Bus Daily 1/24 mos. 1/mo.

'm Undervoltage i (Degraded Voltage) 1

29. Drywell High N/A Each re- Each re-Radiation fueling fueling outage outage 1

o Calibrate prior to startup and normal shutdown and thereafter check 1/s and test 1/wk until no longer required.

Lecend: N/A = Not Applicable; 1/s = Once per shift; 1/d = Once per day; 1/3d = Once per three days; 1/wk = Once per week 1/3 mo = Once every 3 months; 1/18 mos. = Once every 18 months, 1/24 = Once per 24 months; l g 1/20 = Once per 20 months e

=

. g The following notes.are only for Item 15 of Table 4.1.1

i g A channel may be taken out of service for the purpose of a check, calibration, test or maintenance without declaring the

" channel to be inoperable.

2:

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c. The channel functional test shall also demonstrate that control room alarm annunciation occurs if any of the

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following conditions exists:

1)' Instru:nent indicates measured levels above the alars; setpoint.

j 2) . Instrument indicates a downscale failure.

3) Instrument controls not set in operate mode.

. 4) Instrument electrical power loss.

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TABLE 4.13-1 j ,

hC.CIDDit MONITOM]40 INSTR;tMENTATION SURVIILLhNCE. REQUIREMENTS 4

l CHANNEL CilANNEL l INSTRUMENT CHECK CALI B RATION

1. Primary and Safety Valve Position A B

Indicator (Primary Detector *)

1 j Relief and Safety Valve Position A B j Indicator (Backup Indications **)

Relief Valve Post. . Indicator C B (Common lleader Temperature Element **)

2. Wide Range Drywell Pressure Monitor A D '

(PT/PR 53 & 54)

3. Wide hange Torus Water Level Monitor A D (LT/LR 37 & 30)

4. Drywell 11 Honitor A I E 2

i

5. Containment liigh Range Radiation Monitor A F***

6. liigh Range Radioactive Noble Gas Effluent Monitor

a. Main Stack A 0

b. Turbine Building Vent A C Legend f

A = at least once por 31 days; D = at least once per 10 months (550 days)

C = at least once per 15 days until channel calibration is performed and thence at least once per 31 days D = at least once per 6 months E = at least once per 12 months F = each refueling outage O = once per 20 months ,

l 1 = Span and Zero using calibration gases l

l

• Acoustic Honitor l

,** Thermocouple

• • • Channel calibration shall consist of electronic signal subutitution of the channel, not including the detector, for all-decades above 10R/hr and a one point calibration check of the detector at or below 10R/hr by means of a calibrated portable radiation source traceable to NDS.

OYSTER CREEK 4.13-2 Amendment No.: 54,88,94,116,137 l

C3212041

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