ML20101L921

Proposed Tech Specs,Revising TS SR 4.5.1.d.2.b to Delete Requirement to Perform Functional Testing of ADS Valves as Part of start-up Testing Activities

ML20101L921
Person / Time
Site:	Limerick
Issue date:	03/29/1996
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20101L914	List: ML20101L911 ML20101L921
References
NUDOCS 9604050050
Download: ML20101L921 (2)

Text

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entnu t,u . wn. _ .. _._._ _

i e SURVETLt ANCE REOUTREMENTS (ConNnued)

2. For the HPCI system, verifying that:

4 a) The system develops a flow of at least 5600 gpm against a

~

~ test line pressure corresponding to a reactor vessel pressure I

.I R N1 j d 0r o0 PuRu,2 200

. P>ieepsig1o **eplus1 rei ehead et 200 and 1s. - line losses, when s o io.-

n ..

' dh"' 19 b) T s

ie suction is automatically transferred from the condensate

orage tank to the suppression chamber on a condensate

..orage tank water level - low signal and on a suppression

! chamber water level - high signal.

i l 3. Performing a CHANNEL CALIBRATION of the CSS, LPCI, and HPCI i system discharge line " keep filled" alam instrumentation.

) 4. Performing a CHANNEL CALIBRATION of the CSS header AP instru-

mentation and verifying the setnaint to be s the allowable value j of 4.4 psid.

j 5. Perfoming a CHANNEL CALIBRATION of the LPCI header AP instru-

mentation and verifying the setpoint to be s the allowable value

, of 3.0 psid.

i

d. For the ADS:

1. At least once per 31 days, .perfoming a CHANNEL FUNCTIONAL TEST

{

of the accumulator backup compressed gas system low pressure alam system.

2. At least once per 24 months:

1 a) Performing a system functional test which includes simulated j automatic actuation of the system throughout its emergency operating sequence, but excluding actual valve actuation.

' hanually opening each ADS valve when the reactor steam b) dome piissure is greater than or equal to 100 ps' Wa'nd observingthaDeither:

1) Th'e control valve or' ass valve position responds accordingly, or

Verify that when tested pursuant to Specification 4.0.5 that each 2) The s a corresponding change in the me steam ADS valve is capable of being opened . ,,,

c) Perfoming a CHANNEL CALIBRATION of the accumulator backup compressed gas system low pressure alarm system and verifying an alam setpoint of 90

• 2 psig on decreasing pressure.

" The provisions of Specification 4.0.4 are not applicable provided the surveillance is perfomed within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after reactor steam pressure is adequate to perfom the test. If HPCI caudB8m4N!M8M#r is not successfully demonstrated within the 12-hour period, reduce reactor steam dome pressure to less than 200 psig " "" n',,  ; "' ".-f within the following 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. JUL 281m 3/4 5-5 A"D"'wnt No. 29, 33, 71 LIMERICK - UNIT I 9604050050 960329 PDR ADOCK 05000352 P PDR

a. c,

. EMERGENCY CORE COOLING SYSTEMS SURVEILLANCE REOUTREMENTS (Continued) _ ,,, ,,

For the HPCI system, verifying that:

l'0SIIlon 7 a 2.

a) The system develops a flow of at least 5600 gpm against a test line pressure corresponding to a reactor vessel pressure of a 200 psig plus head and line losses, when steam is being supplied to the turbine at 200 + 15, - 0 psig.**

b) The suction is automatically transferred from the condensate storage tank to the suppression chamber on a condensate storage tank water level - low signal and on a suppression chamber water level - high signal.

3. Performing a CHANNEL CALIBRATION of the CSS, LPCI, and HPCI system dischage line " keep filled' alarm instrumentation.

4. Performing a CHANNEL CALIBRATION of the CSI header AP instru-mentation and verifying the setpoint to be s the allowable value of 4.4 psid.

5. Perfoming a CHANNEL CALIBRATION of the LPCI header AP instru-mentation and verifying the setpoint to be s the allowable value of 3.0 psid.

d. For the ADS:

1. At least once per 31 days, performing a CHANNEL FUNCTIONAL TEST of the accumulator backup compressed gas system low pressure alarm system.

2. At least once per 24 months: l a) Performing a system functional test which includes simulated automatic actuation of the system throughout its emergency operating sequence, but excluding actual valve actuation.

b) Rattually opening each ADS valve when the reactor steam done preissure'is greater than or equal to 100 psig observing that etther:

1) The control y bypass valve position responds accordingly, or /

Verify that when tested pursuant to Specification 4.0.5 that each

/

There-is a corresponding change in the measu

2) team i ADS valve is capable of being opened. ; / flow.

c) Performing a CHANNEL CALIBRATION of the accumulator backup compressed gas system low pressure alaru system and verifying an alarm setpoint of 90

• 2 psig on decreasing pressure.

• • The provisions of Specification 4.0.4 are not applicable provided the surveillance is performed within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after reactor steam pressure is adequate to perform the test. If ABSaor'HPCI OPERABILITY is not successfully I demonstrated within the 12-hour period, reduce reactor steam dome pressure to less than 1= -ig:er ~200 psig,.araspectfauyr'irithin the following 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

LIMERICK - UNIT 2 3/4 5-5 Wt No. 34 JUL 281994

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