ML20066F487

Proposed Change to Tech Spec Surveillance 4.4.6.2.2d Re Operability of RCS Pressure Isolation Valves

ML20066F487
Person / Time
Site:	South Texas
Issue date:	01/17/1991
From:	HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20066F479	List: ML20066F487 ST-HL-AE-3673, Application for Amends to Licenses NPF-76 & NPF-80,changing Tech Spec Surveillance 4.4.6.2.2d Re Verification of Operability of Pressure Isolation Valves for RCS Following Valve Actuation Due to Manual/Automatic Action
References
NUDOCS 9101240009
Download: ML20066F487 (3)

Text

4 -e4a L6- J sA t d n l

ATTACllMENT 2 PROPOSED CHANGE TO TECilNICAL SPECIFICATION-SURVEILLANCE 4,4,6.2.2d j

~9101240009 910117 PDR ADOCK 05000498 P PDR A1/040,N19

.w .y A _

REACTOR COOLANT SYSTEM ATTACHMENT D ST HL AE 3V/3 4

OPERATIONAL LEAKAGE PAGE t OF A SVRVII L LAtLC EE0UlELLE#11.LC.ontinued L

4. 4.' 6. 2.1 Reactor Coolant System leakages 'shall be chemonstrated tc -be' within: ' o each of the above limits by:-

, p

a. Mc.iitoring the containment atmosphere gaseous radioactivity and par-  :

-ticulate radioactivity channels at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />;' '

{

b. Monitoring the containment normal sump inventory and discharge at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />;-

c. Performance of a Reactor Coolant System water inventory balance at-l least once per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />; and-a

d. Monitoring'the Reactor Head Flange Leakoff System at least1once per t 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.-

4.4.6.2.2 Each Reactor Coolant System Pressure Isolation Valve specifiedtin Table 3.4-1 shall be demonstrated OPERABLE by verifying. leakage to-be within

• its limit: .

a

a. At least once per 18.inonths,

b. Prior to entering MODE 2 whenever the plantThas been.in.COLDL . .

SHUTOOWN for 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or more:and if le3kage testing has not'been- '

performed in-the previousL9 months, .

c.

Prior to returning th.e valve to service ~ following maintenance,- 1 repair or replacement work on the valve, and Ymen h: .ube,iopt40DE2

, d. W+th+tHM-4mudf~ollowing valve actuation 'due to automatic. or manual-action or. flow through the- valve except for valves XRH0060: A,B,C and XRH0061 A,B,C.

e. As outlined-in-the' ASME Code,- Section XI, paragraph IW-3427(b).

The provisions of Specification:4.0.4 are not applicable forf entry into MODE 3 or 4. ,-

j..

i 3

4

(

l SOUTH TEXAS -' UNITS 1 & 2 3/4 4-21 h

.s---- ,

O TRAIN C CHECK VALVE LEAKAGE DEFECTION SYSTEM O k ll l 4 -

S10008C 4C S10010C S10009C M 206C M SC H -e

- . g i S10006C

~

SiOOO7C Ml

-V R Ba RHOO20C 62C OSC M W $1 _ch_p1- -

u ,

RnomiC ,9 G $1 S1003BC RHOO32C H iw myE Q 207C 30C V >

C-M , M MM tri- ,",

N-M. x met

";i od H Aj "W

= p90 - '

u 4

_M S10046C SIOO39C i

- -  %