ML17353A759

Forwards Comments on Four of Questions Which Were Part of site-specific Written Exam Administered at Plant on 960614, Per NUREG-1021.Procedures Encl

ML17353A759
Person / Time
Site:	Turkey Point
Issue date:	06/28/1996
From:	Hovey R FLORIDA POWER & LIGHT CO.
To:	Ebneter S NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17353A760	List: ML17353A759 ML17353A762 ML17353A763 ML17353A764
References
RTR-NUREG-1021 L-96-171, NUDOCS 9607080261
Download: ML17353A759 (11)

Text

~ CATEGORY 1y REGULATORY INFORMATION'ISTRIBUTION SYSTEM (RIDS)

"'ACCESSION NBR:9607080261 DOC.DATE: 96/06/28 NOTARIZED: NO DOCKET *0 FACIL:50-250 Turkey Point Plant, Unit 3, Florida Power and Light C 05000250 50-251 Turkey Point Plant, Unit 4', Florida Power and Light C 05000251 AUTH. NAME AUTHOR AFFILIATION HOVEYIR.J. Florida Power E Light Co.

RECIP.NAME RECIPIENT AFFILIATION EBNETER,S.D. Region 2 (Post 820201)

SUBJECT:

Forwards comments on four of questions, part of NRC site-specific written exam administered at plant on 960614, per NUREG-1021.Procedures encl.

DISTRIBUTION CODE: IE42D COPIES RECEIVED:LTR TITLE: Operator Licensing Examination Reports g ENCL / SIZE: 7 + lf NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL 0 PD2-3 PD 1 1 CROTEAU,R 1 1 R

INTERNAL: FILE CENTER 1 1 NRR/DRCH/HHFB 1 1 NRR/DRCH/HOLB 1. 1 RGN2 FILE 01 1 1 EXTERNAL: NOAC 1 1 NRC PDR 1 1 D

0 E

N NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTEl CONTACT THE DOCUMENT CONTROL DESK, ROOM OWFN 5D-5(EXT. 415-2083) TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEEDI TOTAL NUMBER OF COPIES REQUIRED: LTTR 8 ENCL 8

L-96-171 Mr. Stewart D. Ebneter Regional Administrator, Region II U. S. Nuclear Regulatory Commission 101 Marietta St., N.W., Suite 2900 Atlanta, GA 30323

Dear Mr. Ebneter:

Re: Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 In accordance with the provisions of NUREG-1021, Operator Licensing Examiner Standards, Examiner Standards ES-402, Attachment 3, Policies for Facility Review of Written Examinations, enclosed are Florida Power and Light Co.(FPL) comments on four of the questions which were part of the NRC site-specific written examination administered at Turkey Point on June 14, 1996. These comments and recommendations were discussed with the NRC Chief Examiner and are being submitted for your review.

Should there be any questions, please contact R. W. Lindsey at (305) 246-6649.

Very truly yours, R. J. Hovey Vice President Turkey Point Plant OIH Enclosure cc: T. A. Peebles, Chief, Operations Branch, Region II, USNRC G. T. Hopper, Chief Examiner, Region II, USNRC T. P. Johnson, Senior Resident Inspector, USNRC, Turkey Point Plant Document Control Desk, USNRC, Washington, D.C.

'rr PDR 60708026 ADQCK i 960628 05000250 V PDR 3C=<f) i an FPL Group company

COMMENTS FROM U+S ~ NUCLEAR REGULATORY COMMZSSZON SZTE-SPECIFIC WRITTEN EXAM EXAM DATE: June 14, 1996 LICENSE LEVEL: SRO (RO)

FACILITY: Turkey Point We respectfully request you review the following written exam questions:

43 (69),

44 (70),

68 (94),

95,

[please see attached].

8RO QUESTION 43 (69)

Which ONE of the following conditions will sound an audible alarm on the main fire panel in the control room?

AN8HER:

C. Any red fire alarm lamp or yellow trouble lamp lights.

REFERENCE~

SD-153 Fire Protection, Alternate Safe Shutdown and Safe Shutdown Systems, page 39.

E.O. 6 of LP 6902143 COMMENT:

An Audible Alarm is also caused by improper condition of battery or charger, please see Pyrotronics vendor material (attached).

RECOMMENDATION Accept answer A as an additional correct answer.

A. The battery power supply to the panel fails.

Pyr-A-Larm Universal Alarm Control

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~

MODEL CP-31 CONTROL PANEL

~

INSTALLATIONAND MAINTENANCEINSTRUCTIONS

-"'"'yrotronics

• Baser rnavsrres Comosny 8 Riageaaie Avenue. Ceaar Knaas. New Jersey 07927

practically any size and type system demand. A wide variety Trouble of input. output. and control modules are available to sattsf> A trouble condnion.which will illummatc the vejlou system the most exacting a~ctjcujous building control. secuniy. "Trouble" lamp and sound thc built-in audible uoubje sicnal and alarm specjficatK <': will be caused by any of the following:

Three (3) inajn vjsuaj svstem indicators are mounted on thc ~ removal of or trouble associated with a system bus face of the CP.31. a white "Power" lamp. a red "Alarm" connected module lamp, an4 a Yellow "Trauble" lamp. A red LED "Alarm~ ~ an open in the CP-31 ahtrm rclav coil Silence" indicator and a yellow LED "Ground Fault" indi ~ loss of main operating power cator are also supplied. ~ a ground fault on any external line or dc contact manual switches are mounted power Th~ I3i ntomentaryservinc as a combination "ResetiLamp

~ improper condition of batten or charger on the Cp-31, one und fault condition is additionally indicated by a yc ow Test" function, a second permits "Trouble Silence" and a "Ground Fault" LED.

third permns "Alarm Silence".

Ternunals for 24 Vdc connection to a remote visual annun-Note. When bauery standby is used. audible power is 24 ciator are provided togeiher with a set of trouble operated Vdc. SPDT contacts (rated 120 Vac. 3 amp).

Four <4i receptacles are provided. one for the systemmodulc Note: When the panel is on emeritency banery operation.

bus svsiem. a second for the mpui power from the power the individual module and ground fault indicators aie.

supspsjI The thif4 accommodates a banery chargeritransfer inoperative.

tnoduIe of a program plug. while the foutth provides chassis ground djsconne<< 1

~

g g The use of the Pyr-A-Larm Control Panel. Model CP-31 (with power supply PS-31) provides the basis of a conttot Power system that can meet a wide variety of functional demands Thc Model CP.31 oPeratcs from a three-wire. 120 V, 60 Hz. Implementing the modular building block concept. a supply consisting of a main power phase. a trouble phase, multiplewperatjon system can be supplied that will accom-and a coinmon ncuual. Low voltage svstem power is pro- modate a combination of any of the following options. pro-vj4e4 bv ihe PS-31 Power suPPly module via a Pin tyPe vided the total current demand does not exceed 10 amp. in connector. Banery standby is available as an option. A white alarm condition. (Refer to thc applicable module catajoc system power lamp is illulninated to show that power is sheet to determine exact requirements.) For systems with normal. greater current demands, alternate or additional power supplies are available.

Loss of thc main operating poweron Linc I is signaled by the system audible and yellow visual uoublc indicators. Rcstora-II

~ 2-stage alarm fion of rnajn operating power returns the panel to normal ~ Multiple alarm condition. When banery standby is specified, loss of main priorities opcratlg power results in a visual trouble signal, and the

~ Master code

~ Municipal tie with disconnect light and switch battetics provide power to the system. e Remote station connection with disconnect light ano The Cp 31 pro'vides terminals for either 120 Vac or 24 Vdc switch audible g~ device Power. The chtncc of Power is dcter-nun<<by a program plug supplied wtth thc conuol pand. ~

~ TIme lhnit cutout with indicator

+ Supplementary relays

"~

4 Battery standby Alarm ~ Double supervision, power failure annunciation

~ Security circuits An alarm signal at thc CP-31 panel is initiated by any system ~ Non-fire monitoring module designed for alarm monitoring functions (such as a ~ Subsequent alarm Model ~.30, ZN-31, or ZA-30 Zone Module). Thc alarm ~ Confirmation signal;s triggeted via the alarm circuit of"Alarm" the module bus o Chss A detector and audible signal circuits system When tllis occurs, the red system lamp is o Disconnect switch ijiumjnat<<and two alarm output circuits (one silenccablc ~ Selective manual audible signal silence and one non-silenceable) arc energized. ~ Multiple zones The sfienccablc alarm output circuit can be opened (silenced) ~ Extinguishing system release by operating thc momentary "Alarm Silence" switch. A red Alarm Silence" LED is then illuminated and remains lit until the Model CP-31 is reset by operating the momentary

'<ResetiLamp Test" switch. .-'f I f'IIIICs.'( 5 (':< "i, IC'<Ii::I: .':

Terminals for remote control of alarm silencing are provided Thc control panel for the alarm system shall be a Pyr-A-Lair jn a44jtjon to a set of alarm operated SPDT contacts (rated Model CP.31. It shall be listed by Underwriters Laboratoric 12p Vac. 3 amp) Inc. for service in accordance with NFPA Standards 72$

An g~ signal will ovemde a trouble condition. 72B, 72C, and 72D.

It shall include lamps for system alarm. trouble. and ground The control panel shall have one set of SPDT alarm operated detecuon. Momentarv contact switches shall be provided for aetap contacts and one set of SPDT tronblc opcratcd relap "Reset/Lamp Test", "Trouble.Silence". and "Alarm Si- contacts. All contacts shall be rated at 120 Yac. 3 atop.

lence". Thc trouble silence switch snail silence the internal trouble signal sounding devicst. The alarm silence switch Tennmals shall b<<provided for connection of remote trouble shall silence audible signal Appliances connected to supex-siience units containing a switch plus audible and visual vised audible signal circuits. The ground detection light shafi trouble indicators. The control panel shall also be compatible be illuminated by a single ground fault on any detectoi with remote alarm silence and drill units. I circuit. audible signal circuit. or DC power line within tha Audible and visual trouble indications shall be caused by any svstem. A stngle pound fault shall not prevent proper opera> of the following:

uon of the system. A means to conveniemly isolate thd ~ removal of a detection device from a detector circuit ground detection circuit from ground shall be provided foe ~ an open or ground fault in a detector circuit ease of trouble shootinc. ~ an open, short, or ground fault in an audible signal Alarm receipt shall ovenide trouble indications. Trouble circuit indicaiions shall reappear upon tesening of thc alarm condi-i ~ a ground fault on any DC linc tion. Trouble indicauons shall be self.rest onng upon conec-i ~ an open in the circuit connection to a local lion of the fault condition. emergency municipal box

~ removal of system input, output, or control mod-The P>7-A-Lann Model CP-31 shall control any quantity of.

detection devices. audible signal appliances. input ulefs) remove or exchange the conuol panel in order to expand the system or add functions such as. but not limited to:

modules..'nd output modules. It shall be compatible with any combi-nation oi system control modules. It shall not be necessary to ~ ~ improper condition of bat ter1 or charger power shall be provided by a system power supply from a three-wire l20/240 Vac supply with grounded neutral. with battc.ry standby as an option.

~ multi-stage alarm The Model CP-31 shall penmt expansion of system capabil-

~ multiple alarm priorities ity to incorporate any combination of Pyr-A-Latm System 3

~ coding modules not exceeding a maximum cuttent demand of 10

~ time-in or tim~ut control amp.

~ confirmation of alarm

~ double supervision, power failure annunciation

~ disconnect switches

~ remote annunciation Power Requirement: 120/240 Vac,60 Hz. thtee-wire 6 amp.

~ secttrlty circtats

~ battery standby power

"\

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.' /7f(f/ i) 2'.s'i .'c'i.'I The Model CP-31 (with power supply Model PS-31, catalog The Model CP-31 is normally mounted on taiVbrackcts, sheet 3052) occupies space normally taken by six (6) mod- scpatatcly priced, for installation in the EA <<nclosutes. Each ules and must be lopated ia the upper right-hand p'osition of eaciosute requires a tail/bracket assembly kit of appropriate any type EA cnclosute. This should be coasideted when site. The size of the enclosure thctefore must be noted at the sizing the enclosute. Also specify whether thc CP-31 is to be time of order. Rail/bracket assembly kits ate shown below.

factory adjusted for ac or dc audible signaling by adding Also refer to catalog sheet 3325.

suffix "Ace for ac or "Dce for dc. When a BC-31 Battery Charger/Transfer module is used, audible signals must be 24 Vdc units and the CP-31 should be ordered with no suffix lenet.

Ship pirbff Aal VBrackrt KN Shfppdrbg Weight Aawmofv Kit Wefftht CP 31 Control Panel 3.5 lbs. (1.59 kg) EK-30 EAe3Q 5 lbs. (2.27 kg)

CP-31A Control Panel (fof &c audible 3.5 lbs. (1.59 kg) EK-31 EA-31 6 lbs. (2.72 kg) signals, indudes Jumper Plug, EK-32 EA-32 10 lbs. (4.54 kg)

Model JP-3) EK-33 EA.33 14 lbs. (6.36 kg)

EK-35 EA.35 18 lbs. (8.17 kg)

CP 3'10 Control Panel (lor dc audible 3.5 lbs. (1.59 kg) signafL includes Jumper Plug, Model JP 4)

SENIOR REACTOR OPERATOR Page 28

<UESTION: 042 (1.00)

Plant conditions:

A loss of off-site power has occurred; simultaneously power to 120V vital instrument panel 3P07 was lost.

Both Unit 3 EDGs have started.

Which ONE of the following actions must the operator perform under the above conditions?

a. Control 3B steam generator water level by manual control of main feed bypass regulating valve.

b. Manually perform bus stripping on 4KV bus 3B only.

c. Manually close failed open Train 1 AFW flow control valves only.

d. Manually sequence ESF loads onto EDG 3A.

QUESTION: 043 (1.00) (g.C Which ONE of the fouowing conditions willsound an audible alarm on the main fire panel in the control room2

a. The battery power supply to the panel fails.

b. Any deluge system is removed from service.

c. Any red fire alarm lamp or yellow trouble lamp lights.

k

d. The RCO sounds the Fire Horn.

'ENIOR REACTOR OPERATOR Page 75 ANSWER 043 (1.00)

C.

REFERENCE'D-153, Fire Protection, Alternate Safe Shutdown and Safe Shutdown Systems, page 39.

E.O. 6 of LP 6902143 Item used on Turkey Point 1992/04/20 SRO exam.

000067A106 [3.5/3.7]

000067A106 .. (KA's)

ANSWER: 044 (1.00) b.

REFERENCE:

O-ONOP-105, Control Room Evacuation, pages 8 and 48.

E.O. of LP-6902252 000068K202 [3.7/3.9]

000068GOIO [4.1/4.2]

000068G010 000068K202 .. (KA's)

ANSWER: 045 (1.00) aJ,

REFERENCE:

3-ONOP-053, Loss of Containment Integrity, page 4 E.O. 3 of LP-6902126 Item used on Turkey Point 1991/09/30 SRO exam.

000069A201 [3.7/4.3]

000069A201 .. (KA's)

ANSWER: 046 (1.00)

C.

REFERENCE:

3-BD-EOP-FR-C.1, Response to Inadequate Core Cooling Basis Document, page 33 4 of LP-6902347

'.O.

000074K311 [4.0/4.4]

000074K311 .. (KA's)

SRO QUESTION 4 4 (70 )

Which one of the following IMMEDIATE actions is required to be performed by the Unit 3 Reactor Control Operator in the event of a fire burning out of control on the Control Room roof?

ANSWERS B. Declare the control room uninhabitable, trip the reactor and evacuate the Control Room.

REFERENCE ONOP-105, Control Room Evacuation, pages 8 and 48.

E.O. of LP 6902252 COMMENT Immediate actions of 0-ONOP-016.10, Pre-Fire Plan Guidelines and Safe Shutdown Manual Actions, require dispatch of the Fire Brigade to the fire via the plant page system. This would be done prior to the NPS making the decision to evacuate the Control Room (see attached copy of O-ONOP-016.10).

RECOMMENDATION:

Accept answer D as an additional correct answer.

D. Dispatch the Fire Brigade to the Control Room roof via the Plant PA system.