ML20034E431

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Proposed,Revised TS 3/4.3.2.1, Safety Features Actuation Sys Instrumentation & TS 3/4.3.2.2, Steam & Feedwater Rupture Control Sys Instrumentation
ML20034E431
Person / Time
Site: Davis Besse 
Issue date: 02/17/1993
From:
CENTERIOR ENERGY
To:
Shared Package
ML20034E428 List:
References
NUDOCS 9302260148
Download: ML20034E431 (10)
v • d • e


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' Dock 3t Nurber 50-346 l-Licanza,Nu2ber NPF-3 S2 rial Nu2bar 2025 Attachment Page 16-ATTACBMENT Attached is the proposed marked-up change to the Operating. License.

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License Number NPF-3 Serial Number 2025 i

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Page 17

-lNSTRUMENTATION EOR INFORMATION ONLY 3/4.3.2 SAFETY SYSTEM INSTRUMENTATION i

SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION L1M1 TING CCNDITION FOR OPCRAT10N 3.3.2.1 The Safety Features Actuation System (SFA5) functional units J

show in T:ble 3.3 3 sna11 be OPERA 8LE with their trip setpoints set consistent with the values shown in the Trio Setpoint column of Table 3.3 4 and with RESPONSE TIMES as shown in Table 3.3 5.

APPLICA81LITY: As shown in Table 3.3-3..

j ACTION:

j With a SFAS functional unit trip setpoint less conservative-j a.

than tw value snown in the Allowab's Values column of Table s

3.3-4. declare the functional unit inoperette and apply the i

applicatie ACTION resuirement of Table 3.3 3. until the'func.

tional unit is restored to OptRABLE status with the trip setpoint adjustes consistent with the Trip 5etpoint value.

b.

With a SFA5 functipel unit inoperable. take the action shown in Table 3.3-3.

SURVE!LLANct REQUIREMENT!

l 4.3.2.1.1 Each 5FAI functional unit shall be demonstrated OPERABLE by the performance of the CPAlestL CHECK. CWusett CALilRATION and CHAssitL FUNCTIONAL TEST during the MODE 5 and at the frequencies shewn in Table 4.3 2.

4.3.2.1.2 The legis for the bypasses shall be demonstrated OPERABLE during the at power CHAleIEL FUleCTIONAL Tt37 of functional units affected by bypass operation. The total bypass function'shall be demonstrated-OPERABLE at least once per 18 months during CHAlelEL CAL 1kRAT10N testing of esta functional unit affected by bypass operation.

4.3.2.1.3 The SAFETT FEATURES RESPON$t T!)E of each 5FAS function shall be demonstrated to be within the limit at least once per 18 months.

Each test shall include at least one functional unit per function such 1

that all functional units are tested at least once every N times 18 nonths where N is the total number of redundant functional units in a Specific SFAS fcaction as shown in the

  • Total lle. of Units' Calumn of Table 3.3 3.

I DAV15 SE55t. UNIT 1 3/4 3 9 FOR INFORMATION ONLY

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UNITS UNITS APPL.ICABl.E OF IINITS TO TRIP OPERABl.E NODES ACTION FUNCTIONAI. UNIT e

3.

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w AVIS-BESSE, L7IT 1 3/4 3-13 Assedmont No. 7, 28, 35, 53

Docket Number 50-346 License Number NPF-3 Serial Number 2025 Attachment INSTRUMENTAT!:N Page 21 i

STEAM AND FEECWATER :UP.'RE CONTROL SYSTEM INSTRUMENTATICN FOR !NFORMATION ONLY i

t.:MITING CONDITICN FOR OPERATION 4

3.3.2.2 he Stess ana Feeowater Ruoture Control System (SFRCS) instrumen-l tation enannels snown in Table 3.3-11 snall be OPERABLE witn their trin setootnts set consistent witn the valuer Snown in the Trip 5etpoint column of Table 3.3-12 ano with RESPONSE T2tES as snown in Table 3.3-13.

APPLICABILITY:.uc0ES.1, 2 and 3.

ACTION:

a.

With a SFRCS instrumentation enannel tric setpoint less con-servative tnan tne value snown in the Allowacle Values column of Table 3.3-12. ceclare the enannel inocersele and acoly tne aonlicaole ACTION reoutrement of Table 3.3-11, antti the cnannel is restorea to OPERABLE status with the trip setooint adjusted consistent with the Tri; Setootnt value.

b.

With a SFRCS instrumentation channel inoperable, take the action snown in Table 3.3-11.

SURVEILLANCE REOLIIREMENTS 4.3.2.2.1 Each SFRCS instrumentation channel shall be demonstrated i

OPERA 8LE by ther performance of the CHANNEL CHECK, OHANNEL CALIBRATION and CHANNEL FUNCTIONAL TEST during the MODES ans at the frecuencies shown in Table 4.3-11.

4.3.2.2.2 The logic for the bypasses shall be demonstrated OPERA 8tE during the at power CHANNEL FUNCTIONAL TEST of channels affected by bypass operation. *he total bypass function shall be demonstrated OPERA 8LE at least once per 18 months during CHANNEL CALIBRATION testing of each channel affected by bypass operation.

4.3.2.2.3 The STEAM AND FEEDWATER RUPTURE CONTROL SYSTEM RESPONSE TIME 4

of each 5FRCI function shall be demonstrated to be within the limit at 1 east once per 18 months. Each test shall include at least one channel per function such that all channels are tested at least once every N times 18 montas wnere N is the total number of reeunaant channels in a 1

specific SFRCI function as snown in the " Total No. of Channels" Column of Table 3.311.

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DAVIS-BESCE, "MIT 1 3/4 3-23 FOR INFORMATION ONLY

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53 TAal.E 3.3-11 g

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STEAM AND FEEDUATER RUPTilRE CONTR01. SYSTEM I.NSTRilHENTATION N

MINIHilH TOTAL No.

CHANNELS CBANNELS r-FUNCTIONAL. UNIT OF C8AlelELS TO TRIP OPERABl.R A(TION m"

1.

Main Steam Pressure O

Law Instrument channels.

2 i

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PS 36895 Steam Line 1 Channel 1 m

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PS 36890 Steam Line 2 Channet i m

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PS 3689F Steam Line 1 Channel 1

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PS 3689N ' Steam Line 2 Channel 1 Z

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PS 3687A Steam Line 2 Channel 2 I<

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PS 3687C Steam Line 1 Channel 2 7

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PS 36878 Steam Line 2 Channel 2 Z

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PS 3687G Steam Line 1 Channel 2.

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0 TABLE 3.3-Il_jContinucil}

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'g STEAN AND FEEDUATER RllfilRIE CONTHol. SYSTEN INSTRifMEffrATION N

.y HINIHilH f.

TOTAL NO.

CHANNELS CHANNEL.S H

FilNCTIONAL llNIT O.F CNANNE_I.S T_O TR.IF OPER A B_l._E ACr.i nH.

2.

.Feedwater/ Steam Generator Ditferential Pressure _ Eigh y

161l Instrument Channels 2

1 2

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PDS 26854 Feedwater/ Steam Generator 2 Channel 2 O.

rDS asssa ree4.ater/Stea Generater 2 Channel 2 y

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FDS 2685C Feedvater/ Steam Generator-2 Channel 1 y

p, FDS 2685p Feedwater/ Steam Generater 2 Channel 1

--i Y

Z O

g c.

rDS 2686a reedvater/Stea. Generator i Channel 1 73 FDS 26868 Feedwater/Stese Generater I Channel I O

7 Z

O d.

roS 26s6C reedwater/Stea. Generator i Channel 2 g

!Z FDS 26868 Feedwater/ Steam Generater i Channel 2

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3.

Steam Generater g.-

Level --Low Instrument Channels 2

1 2

O istl Z

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LSLL SF958 Steam Generator i Channel i O[${h[

1.58.I. SF989. Steam Generator I Channel I 7

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LFl.L SP9A6 Steam Generator 2 Channel I w :r - m a 8.SLs. SF947' Steam Generator 2 Channel i f p *z y 555 4

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STEAN AND FEEIMIATER RilFTIIRE CONI'Hol. SYSTEN INSTRifMENTATION os N

'N HINIHilH Q

TOTAL. No.

CRANNEl.s CRANNEl.S a

FL50CTIONAl. IBitT OF CSAMMEl.S TO TRIF OPERABl.E

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stea cener. tor T

Z l.evel - i.ew Instrument O

Channels (continued)

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I.si.L sF9ss stea cenerator ! Channen 2 7

O-I.51.1. 5F997 Steam Generator I channel 2 g

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Loss el BCF Channels 2

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Manual-Initiation (Fush buttons)

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Initiate aFFT 82 and Isolate SG 82 1

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I'd TABI.E 3.3-12

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STEAM AND FEEDWATER RUPTURE _CONTROI. SYSTEM

.I.NSTRilMENTATION TR.IP SET _ POI.N.T_S g

s.*

FI'NCTIONAL IINITS TRIP SETPOINTS ALLOWABI.E VAI.UES 597 10 h 59 7.70 p s e'f 1.

Steam Line Pressure - 1,ow

> 69h-6 ps i g p sal.C psig' s

CDL f -- i. 4 4

/(,.fo in.

E E963/pAI$U,

2.

Steam Generator Level - Low (;)

~> 16.4

> 4&-6"*- /S. 60 m.,

{ -l%-9% /2.90En."

3.

Steam Generator Feedwater 187. to psy.fo Dif ferential Pressure - liigh (2) 5 N psid 5 197-c psida w

O

< 199-fi ps i d

  • k w

111. 90

/403.84-

/+o3 86 4.

Reactor Coolant Pumps - 1.oss of liigh 5 4 3",4.f, amps -

5 43"', 4 amps //

Low ^ -14Hh3' amps 406,4-amps #

l0 2.. !b l01.+2 i

(1) Actual water level above the lower steam generator tubeslicet.

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Where dif ferential pressure is steam generator minus feedwater pressure.

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  • Allowable Value for CHANNEL FUNCTIONAL TEST D
    • Allowable Value for CHANNEL CALIBRATION
  1. Allowable Value for CllANNEL FilNCTIONAL TEST and CilANNEL CALIBRATION.

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