ML20059C470

Proposed Tech Specs Re Emergency Core Cooling Sys Throttle Valves

ML20059C470
Person / Time
Site:	Arkansas Nuclear
Issue date:	10/27/1993
From:	ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20059C468	List: 2CAN109304, Application for Amend to License NPF-6,relocating Requirements Currently Specified by TS 4.5.2.g.1 to License Controlled Document to Further Goals of TS Improvements as Delineated in NRC Policy Statements ML20059C470
References
NUDOCS 9311010166
Download: ML20059C470 (5)

Text

_ _ _

PROPQSED TECHNICAL SPECIFICATIONS CIIANGES ,

1 i

l l

l i

9311010266 931027 PDR E  :

P ADOCK 05000368 Es 1 PDR 63

s

- EMERGENCY CORE COOLING SYSTEMS SURVEILLANCE REQUIREMENTS'(Continued)

f. By verifying that each of the following pumps develops the indicated differential pressure on recirculation flow when . tested +

pursuant to Specification 4.0.5:

i

1. High-Pressure Safety Injection pump 2 1360.4 psid with 90*F '

water.

I

2. Low Fressure Safety Injection pump 2 156.25 psid with 90 F water.

At least once per 18 months by verifying the correct position of'

~

g. l- l' each electrical and/or mechanical position stop for the following ECCS throttle valves:

l ilESL3fidtm .lE11_.Syltfm VflyE Eumber ya1ye Numbf r

a. 2CV-5035-1 a. 2CV-5037-1

b. 2CV 5015-1 b. 2CV-5017-1

c. 2CV-5075-1 c. 2CV 5077-2

d. 2CV 5055-1 d. 2CV-5057-2 l

e. 2CV-5036-2 i

f. 2CV-5016-2

g. 2CV-5076-2

h. 2CV-5056-2 4

h. By performing a flow-balance test, during shutdown, following completion of modifications to the ECCS subsystem that alter the subsystem flow characteristics and verifying the following. flow  :

rates:  :

-l IlES LSystem_. __ Single _Eump LESLSy11ent- Single _Eump The sum of the injection line a. Injection Leg 1, 2 1059_gpm flow rates, excluding the b. Injection Leg 2, 2 1059 gpm l highest flow rate is greater c. Injection Leg 3, 2 1059 gpm  !

than or equal to 570 gpm. d. Injection Leg 4, 2 1059 gpm ARKANSAS - UNIT 2 3/4 5-5 Amendment'No. 86, 448 l

7 4.

8 9

-p 4

. f e 'h t

I

[ '

6 6

k

?

t-

. MARKUP OF CURRENT ANO-2 TECHNICJL SPECIFICATIONS -!

(FOR INFO ONLY) 1

-I i

i 1

d v

9 4

i i

1 J

l H

e+-tp-gw'w 5eww.- se do s, w g - ym--yye w wr -+we. *-99 tps---s< w w ,v e rse- - - -w,ae ,a,. w-ga +-,4--- 1e-ers t -e- w -- 1

.  :)

EMERGENCY CORE COOLING SYSTEMS a SURVEILLANCE RI:0VIREMENTS (Continued)

f. By verifying that each of the following pumps develops the indicated differential pressure on recirculation flow when tested pursuant to Specification 4.0.5: q

1. High-Pressure Safety Injection pump 2 1360.4 psid with 90*F water.

2. Low-Pressure Safety Injection pump 2 156.25 psid with 9C4 water.

9 AL_least_onceEL ,8=EW 1 r ABby verifying the correct position of each l  !

electrical and/or mechanical positio stop for the following ECCS throttle valves:

1. With4n A hours fellowing-ccepletion of ces%4alve :troking oper-at i on e r ma i ntenance o n t h e valve when the ECCS sut>sy+tems-we-r-equ4+ed-to-bc 09ERABLE.DELEIED

2. ^t least-once-per 18 mont h HESLSyslan LP_SLSystem KnLve Uumbtr . Valse Rumber

a. 2CV-5035-1 a. 2CV-5037-1

b. 2CV-5015 1 b. 2CV-5017-1

c. 2CV-5075-1 c. 2CV-5077-2

d. 2CV-5055-1 d. 2CV-5057-2

e. 2CV-5036 2

f. 2CV-5016-2

g. 2CV-5076-2

h. 2CV-5056-2

h. By performing a flow balance test, during shutdown, following completion of modifications to the ECCS subsystem that alter'the subsystem flow characteristics and verifying the following flow rates:

HP_SLSystem - Sjngle_Eump LESLSy11em - Single Pump The sum of the injection line a. Injection Leg 1, 2 1059 gpm flow rates, excluding the b. Injection Leg 2, 2 1059 gpm highest flow rate is greater c. Injection Leg 3, 2 1059 gpm than or equal to 570 gpm. d. Injection Leg 4, 2 1059 gpm l

ARKANSAS - UNIT 2 3/4 5-5 Amendment No. 86, 448 l I

L