L-83-179, Forwards Corrected Pages from Util Re Adequacy of Station Electric Distribution Sys Voltages Covering ESF Setpoints

Forwards Corrected Pages from Util Re Adequacy of Station Electric Distribution Sys Voltages Covering ESF Setpoints

ML17345B030
Person / Time
Site:	Turkey Point
Issue date:	03/25/1983
From:	Robert E. Uhrig FLORIDA POWER & LIGHT CO.
To:	Varga S Office of Nuclear Reactor Regulation
References
L-83-179, NUDOCS 8303300398
Download: ML17345B030 (8)

Text

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FLORIDA POWER & LIGHTCOMPANY March 25, 1983 L-83-179 Office of Nuclear Reactor Regulation Attention:

Mr. Steven A. Varga, Chief Operating Reactors Branch Pl Division of, Licensing U.

S. Nuclear Regulatory Commi ssion Washington, D.

C.

20555

Dear Mr. Varga:

Re:

Turkey Point Units 3 5 4 Docket Nos.

50-250 5 50-251 Adequacy of Station Electric Distribution System Volta es Degraded grid voltage pr otection at Turkey Point Units 3 and 4 was the subject of a recent telephone conference with members of the NR" staff.

During the conversation, we stated that we would provide corrected copies of pages from our January 3,

1983 letter (L-83-1).

These pages are attached.

Should you or your staff have any additional questions on this subject, please contact us.

Very truly yours, Robert E. Uhrig Vice President, Advanced Systems 8 Technology REU/PLP/j s Attachment cc:

J.

P. O'Reilly, Region II Harold F.

Rei s, Esquire P NS-LI-83-217-1/1 3 8303300398 830325 PDR ADOCK 05000250 P

PDR PEOPLE... SERVING PEOPLE

'l

TABLE 3.5-4 (Sheet '2)

ENGIt'lEERED SAFETY FEATURE SETP" Il)TS CO:i'0 Degraded Voltage*"

Auxiliary Fedwa-er All with tolerance of + 5 volts LGM CENTER/RELAY HO.

3A 327H/3A1*" t 327H/3A2*" g (tag no. later)~*

(tag no. later}"*

SETPOINT 431Y (10 sec.

delay) 431Y (10 sec.

delay) 419V (60 sec.

+30 sec delay 419Y (60 sec.

+30 sec delay 3B 327H/381~+

0 327H/382*"

f,'tag no. later)**

( tag no. later)"*

411 Y 411V 426V 426Y (10 sec.

delay)

(10 sec.

delav)

(60 sec.

+30 sec delay (60 sec. 430 sec delay 3C 327H/3Cl** 0 327ll/3C2*+

P.

(tag no. later)**

(tig no. later)**

412V 412V 427V 427V (10 sec.

(10 sec.

(60 sec.

(60 sec.

del ay }

delay-

+30 sec delay

+30 sec delay 3D 4A 4B 4C 327H/301*" g 3i.'7H/302~+ f (tag no. later)"'

(tag no. later)**

327H/4A1*" b 327H/4A2** 8 (tag no. later)~*

(t.ag no. later)**

327H/4Bl** g 327H/4B2*+ g (tag no. later)**

(tag no. later)**

327H/4C1**

if'27H/4C2**j/

(tag no. later)"*

(t ig no. later)**

423V 423Y 436V 436V 410Y 410V 427V 427V 409V 409V 424V 424Y 396Y 396V 413V 413Y (10 sec.

delay)

(10 sec.

delay)

(60 sec.

+30 sec (60 sec.

+30 sgc del ay delay (10 sec.

(10 sec.

(60 sec.

(60 sec.

(10 sec.

(10 sec.

(60 sec.

(60 sec.

delay) delay)

+30 sec

+30 sec del ay delays del ay) del ay }

+30 sec delay

+30 sec delay (10 sec. delay)

(.10 sec.

delay)

(60 sec.

+30 sec delay (60 sec.

+30 sec delay 4D 327H/4Dl**

327H/402>+

0 (tag no. later)*~

(tag no. later **

39GV (10 sec.

delay) 139GV (10 sec. delay) 412Y (60 sec.

+30,sec.

dela 412Y (60 sec.

+30 sec.

dela Safety Injection Trip of both tfain Feedwater Pump Breakers Auxiliary Feed ater Auxiliary Feedwater All SI setpoints N.A.

• " These items do not apply on Unit 3 until after implementation of PC/H 79-116 and on Unit 4 until after implementation of PC/H 80-44.

Channel action is subject to condition being concurrent with Safety Injection signal.

~

~

0

Ct ~ID l ti 23.

Environmental Radiological Honitors 24.

l.ogic Charm-"sl 25.

Emcr. Portable Survey instruments 2G.

.Seismograph Check H,A, H.A.

H.A; H.A.

Calibrate H.A.

H.R.

Test H(l)

H Remarks (1) Flow Hake trace, Test battery (change semi-annua lly) 27.

Auxiliary Feedwater Flow Rate 2S.

RCS Subcooling llargin Monitor 29.

POBV Position Indicator (Primary Detector) 30.

Safety Valve Position Indicator 31:

Safety Valve Position Indicator 32.a.Loss of Voltage (both dkv busses)

H.R.

b.Undervoltage (both sets of relays on the 480 volt load centers)**

H.h.

H.A.

H.A.

H.A.

H,n.

Check consists of monitoring indicator position and verifying by obse vation of related parameters for AFW actuation at Power Onl These tests are not required when in cold or refueling shut down 33.

Trip of both Hain Feedwater Pump Breakers H.A.

B.A.

For AFW,ac tua tion at power onl

"+

This item does not apply on Unit 3 until after implmentation of PC/tl 79-116 and on Unit 4 until after implementation of PC/H BO-IA.

0 II 4'I

'