Text

Forwards Communication Description,Survey Questionnaire & Data Point Library (Dpl) to Be Used W/Emergency Response Data Sys (Erds),Per Rev 1 to NUREG-1394
	ML19339F324
Person / Time
Site:	Cooper
Issue date:	01/31/1992
From:	Horn G; NEBRASKA PUBLIC POWER DISTRICT
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	RTR-NUREG-1394 NSD920109, NUDOCS 9202040176
	Download: ML19339F324 (39)
	v • d • e

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GENERAL OFFICE P O BOX 499. COLUMBUS. NEBRASKA 686024499 Nebraska Public Power Distrn,t T5 %2s%**

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NSD920109 January 31, 1992 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 ,

9 Subj ect: Emergency Response Data System (ERDS) - Communication Description,

. Survey Questionnaire, and Data Point Library (DPL) i Cooper Nuclear Station ,

NRC Docket No. 50-298. DPR-46 i

Reference:

Letter . from G. R. Horn (NPPD) to USNRC dated October 25, 1991,

" Emergency Response Data System (ERDS), Implementation Program Plan" Gentlemen:

In the reference, the Nebraska Public Power District (District) submitted as required, the ERDS implementation plan for Cooper Nuclear Station (CNS). This .

implementation plan dictated that the District complete the questionnaire and Data Point Library (DPL), and submit this informati>n to the NRC. Attached is ,

the District's communication description, survey questionnaire, and the DPL to '

be used with ERDS. This information is provided in the format requested by ,

NUREG-1394 Rev. 1. [

If you have any questions concerning this subject, please contact the individuals '.

identified in the survey questionnaire, or myself at this office.

Sin #rel , !

/

W Horn Nu ar Power-Group Manager GRH/tj a: erds.dpl Attachment ec: NRC Regional Office Region IV Arlington, TX NRC Resident Inspector ,

, Cooper Nuclear Station '

--m a a 4 9202040176 DR 920131 V I ADOCK 05000298 PDR

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Powerful Pride in Nebraska

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i I. Contacts '

Note Please provide name, title, mailing address, and phone number.

A. Survey Coordinator (i.e., contact for later clarification of questionnaire answers): ;

Lindon Smith - Systems Analyst Grant Grothen - Engineer ,

(402) 825-5493 (402) 825-5739 Cooper Nuclear Station OR Cooper Nuclear Station l P.O. Box 98 P.O. Box 98 '

Brownville, NE 68321 Brownville, NE 68321 f

B. Computer Hardware Specialist (s): i Lindon Smith - Syster.s Analyst (402) 825-5493 Cooper Nuclear Station P.O. Box 98 l Brownville, NE 68321 l C. Systems Software Specialist (s): ,

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-Lindon Smith -Systems Analyst i (402) 825-5493 '

Cooper Nuclear Station P.O. Box 98 r

Brownville, NE 68321 D. Application level Software Specialist (s):

Lindon Smith -Systems Analyst (402) 825-5493 ;

Coopcr Nuclear Station P.O. Box 98 Brownville, NE 68321 -

E.

Telephone Systems Specialist (s):

Robert McPhillips - Lead Communications Technician (402) 466-9778 Nebraska Public Power District P.O. Box 80869 Lincoln, NE 68508 [

i I

i NUR EG-1394. Rev.1 U-2 l

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III. Selection Of Data Feeders !

'A, How many data feeders are there (six maximum)? I r

There is only one (1) data feeder.

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B. Identify the selected data feeders and provide the following d.or each:

(1) a short description of the categories of data points it will provide (e.g., met, rad, or plant data points, by unit) and (2) the rr.tionale for selecting it if another system can also provide its categories of data potr ,.

The Plant Management Information System (PMIS) is the f selected data feeder. ~

(1) The PMIS will provide the MET, RAD, and plant data points.

(2) The PMIS was selected because it can provide all the ,

available data points.

C. Which datt feeder is the site time determining feeder? This should be the feeder which is providing the majority of the data points. i The PMIS is the site time determining feeder.

B-7 NUREG-1394. Rev. !

IV. Data Feeder Information Note: A new Section IV must be filled out for each feeder system selected.

General Questions

1. IdentiScation of Data Feeder

a. What is the name in local parlance given to this data feeder (e.g., Emergency Response Information System)? Please give both the acronym and the words forming it.

PMIS (Plant Management Information System).

b. Is this the site time determining feeder? ,

Yes.

c. How often will this feeder transmit an update set to the ERDS (in seconds)? ;

This feeder will transmit an update set +o the ERDS i every 15 seconds.

2. Hardware / Software Environment ,

a. Identify the manufacturer and model number of the data feeder hardware.

DEC VAX 11/785.

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b. Identify the operating system.

VMS.

c. What method of timekeeping is implemented on this feeder system (Daylight Savings.

Standard. Greenwich)?

Daylight Savings is the method of timekeeping on this feeder system.

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d. In what time zone is this feeder located?

This feeder is located in the Central Time Zone.

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3. Data Communication Details

a. Can this data feeder provide asynchronous serial data communication (RS-232-C) with full-modem control?

Yes, this data feeder provi0es asynchronous serial data communication with full-modem control.

b. Will this feeder transmit in ASCII or EBCDIC?

This feeder will transmit in ASCII.

c. Can this feeder transmit at a serial baud rate of 2400 bps? If not, at what baud rate can it transmit?

Yes, this feeder can transmit at'a serial baud rate of ,

2400 bps. !

d. .Does the operating system support XONIXOFF flow control? t Yes,'the operating system supports XON/XOFF flow control.

1. Are any problems foreseen with the NRC using XON/XOFF to control the trans- i mission of data? .

1 No problems are foreseen with the NRC.using XON/XOFF to control the transmission-of data.

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e. If it is not feasible to reconfigure a serial port for the ERDS linkup (i.e., change the !

baud rate, parity, etc.), please explain why.

N/A.

f. De any ports currently exist for the ERDS linkup?

Yes, a port may be selected for ERDS use of tP.ose available.

1. If not,is it possible to add additional ports?

N/A. -

B-9 NUR EG-1394. Rev.1

2. If yes. will the port be used solely by the ERDS or shared with other non- '

emergency-time users? Give details. ;

The port will be used solely by ERDS.

4. Data Feeder Physical Environment and Management

a. Where is the data feeder located in terms of the TSC, EOF, and control room? ;

The data feeder is located in the Computer Room, which is across the hall from the Control Room. !

b. Is the data feeder protected from loss of supply of elecincity?

Yes, the data feeder is protected from a loss of supply !

of electricity by an "Uninterruptible Power Supply" (UPS). [

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c. Is there a human operator for this data feeder?

There will be a human operator for initiating the ERDS link, but not for the data feeder or the modem. ;

1. If so, how many hours a day is the feeder attended? -

N/A.

i NUltEG-1394. Itev. I 11 - 1 0 i

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ENRC:ERDS Parameter : NI POWER RNG

Paint IDL : NI POWER RNG :

' Plant Spec Point Desc. : AVERAGE. APRM (POWER RANGE) '

Generic /Cond Desc. : NI, POWi:R RANGE i Analog / Digital- : A j

. Engr Units / Dig States :% ,

Engr Units Conversion : N/A Minimum Instr Range : 0.0 l Maximum Instr Range : 125.0 ZCro Point Reference : N/A I R ference Point Notes : N/A- !

PROC or SENS : P 1 Number of-Sensors : 6 '

How Processed- : AVERAGE

S nsor. Locations : -IN REACTOR CORE Alarm / Trip Set Points : HIGH ALARM AT 118% FOR RUN MODE NI. Detector Power Supply Cut-off Power Level : N/A NI Detector.. Power Supply-Turn-on Power Level : N/A Instrument Failure Mode : LAST VALID VALUE

-Tamperature Compensation i FGr DP Transmitters- : N/A Level Reference Leg : N/A Unique System Desc. : High alarm at 118% during Run mode.

.l . . .High alarm at 14% for Startup, Refuel, and Shutdown modes. !

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Data: Feeder : i NRC.ERDS Parameter : NI INTER RNG Point ID

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Plait Spec Point-Desc. : NOT CURRENTLY AVAILABLE !

-Generic /Cond-Desc. :

Analog / Digital :

Engr Units / Dig States :

Engr Units Conversion : r Minimum Instr' Range- : ;

M2ximum Instr Range : ;

Z^ro Point Reference : !

R,ference Point Notes : i PROC'or SENS :

. Number of Sensors- :

.How Processed :

Sensor Locations :

Alcrm/ Trip Set Points :

'NI-. Detector Power Supply

Cut-off Po.rer Level :

NI Detector Power Supply

Turn-on Power Level : .

In;trument Failure Mode : !

Tcaparature Compensation i Fcr DP Transmitters : !

Level Reference Leg _:

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Reactor Unit' :: Col.

Data ~ Feeder .

.: N/A NRC: ERDS ' Parameter : NI SOURC RNG r

'h, h Paint ID . , : NI SOURC'RNG-W? ant Spec Point Desc.- : AVERAGE SRM (SOCRCE RANGE) s Generic /Cond Desc, '

-: NI, SOURCE RANGE

. Analog / Digital : A Engr' Units / Dig States :. CPS Engr Units.ConversionL : .N/A '

. Miniaun : Instr Range - : 0.1

? Maximum Instr. Range : 1,000,000

-ZGro Point Reference. : N/A R0ference-Point Notes' : N/A

PROC-or SENS ' :'P 1 Number of Sensors' :. 4 H;w Processed

AVERAGE

" Sensor Locations .

IN REACTOR CORE Alarm / Trip' Set Points- : 400,000 C/SEC IN ALL MODES EXCEPT RUN ,

NI-Detector. Power Supply *

Cut-off Power Level . _: -N/A !

'NI Detector Power; Supply [

Turn-on Power Leve1 . : N/A- ,

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'Far DP Transmitters. : N/A Level Reference Leg : N/A

Unique System Desc.~ :1 SENSORS RETRACTED WHEN-MODE SWITCH IS SWITCHED:-TO.RUN POSITION.

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01/16/92 Reactor Unit : Col Data r'eeder : N/A i NRC ERDS Parameter : REAC VES LEV Point ID : REAC VES LEV Plant' Spec Point Desc. : REACTOR VESSEL WATER LEVEL Generic /Cond Desc. : REACTOR VESSEL WATER LEVEL Analog / Digital- : A Engr Units / Dig States : IN Engr Units Conversion : N/A

, Minimum Instr Range : -150.O Maximum Instr Range : 225.0 ZCro Point Reference : TAF Reference Point Notes : TOP OF FUEL = 0" PROC or SENS : P Number of Sensors : 6 How Processed : AVERAGE OF VALID RANGE S2nsor Locations : INSTRUMENTATION LINES TO REACTOR VESSEL Alarm / Trip Set Points : LOW ALARM AT 171.2" NI Detector Power Supply Cut-off Power Level : N/A NI-Detector Power Supply Turn-on Power Level : N/A Instrument Failure Mode : LAST VALID VALUE

-Tcmperature Compensation F r DP Transmitters : YES Level Reference Leg : WET Unique System Desc. : ALARM LOW LEVEL AT 171.2", WARNING LOW LEVEL AT 191.7", WARNING HIGH LEVEL AT 206.7", AND ALARM HIGH LEVEL AT 219.2". ALL LEVELS ARE IN REFERENCE TO THE TOP OF ACTIVE FUEL.

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-01/16/92 y" Reactor Unit. : Col Data Feeder :-N/A

~NRC ERDS Parameter- : MAIN FD-FLOW

PJ: int ID : MAIN FD FLOW

. Plant Spec Point Desc. : MAIN CONDENSATE FLOW Generic /Cond Desc. . : FEEDWATER FLOW INTO REACTOR SYS Analog / Digital : A Engr Units / Dig States : GPM

' Engr Units Conversion : N/A iMinimum Instr Range- : 4.0 2

' Maximum-Instr Range

25000.0 ;

.Z^ro Point Reference : N/A ;

ROference Point Notes : N/A PROC-or SENS : S !

Number of Sensors : 1 +

How Processed : N/A Sensor. Locations : CONDENSATE PMP DISCHARGE LINE p Alarm / Trip Set. Points : N/A ,

NI Detector Power Supply ;

Cut-off' Power Level

N/A NI Detector Power Supply .

Turn-on Power Level : N/A Instrument Failure Mode': LAST VALID VALUE :

Temperature Compensation - !

Fe,r DP. Transmitters : YES

-Level Reference Leg : N/A i Unique System Desc. : '

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.: Data Feeder ~ : ' N/A -

NRC ERDS: Parameter : ' RCIC FICW

7 -Point ID.: RCIC FLOW M:t ' Plant Spec: Point'Desc. : RCIC: FLOW-

-Generic /Cond-Desc. : RCIC FLOW iAnalog/ Digital. . : A Engr; Units / Dig. States : GPM=

Engr Units-Conversion. _: N/A Minimum Instr Range.

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. Maximum Instr Range. . : 500.0

Z ro Point

Reference:

-:.N/A R2ference Point: Notes. .:-N/A

' PROC or:SENS ':S

' Number?of Sensors : 1 7-. How Processed : .N/A S:nsor. Locations .. : RCIC PUMP DISCHARGE LINE,-NE QUAD TAl'crm/ Trip Set' Points.

N/A'

-NI Detector' Power Supply

Cut-off-Power Level . :: N/A l

<LNI Detector Power Supply ;

. Turn-on Power Level :-N/A iIn3trument Failure-Mode : LAST VALID VALUE Temperature -: Compensation- !

Far:DP, Transmitters : YES !

LLevel Reference Leg : .N/A. ;

" Unique' System Desc.-

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-Data. Feeder : N/A

'NRC ERDS Parameter

RCS PRESSURE

' Paint ID : RCS PRESSURE

Plant Spec Point Desc. : AVERAGE RPV PRESSURE .

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G3neric/Cond-Desc. :-REACTOR COOLANT SYSTEM PRESSURE !

-Analog / Digital- : A :

" Engr Units / Dig States : PSIG ,

Engr' Units Conversion : N/A- !

Minimum Instr Range : 0.0 !

Maximum Instr Range : 1500.0

~Z ro Point Reference : N/A ,

R3ference Point Notes : N/A {

PROC or SENS. : P !

i Number of-Sensors. : 2 l How Processed : AVERAGE S nsor. Locations' : INSTRUMENT LINES FROM REACTOR VESSEL .

Alarm / Trip. Set Points : HIGH PRESSURE AT 1035 PSIG NI Detector Power Supply :

Cut-off Power Level- : N/A !

NI Detector Power Supply ;

Turn-on Power Level : N/A -

' Instrument Failure Mode : LAST VALID VALUE Temperature Compensation p- .FGr DP-Transmitters. : N/A '

Level Reference Leg : N/A Unique. System Desc. : High Pressure at 1035 PSIG for Run Cnd Startup modes. High Pressure at 75 PSIG for Refuel and Shutdown modes..

N te: This point is average RPV pressure.

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D2ta-Feeder- . : N/A

NRC-ERDS Parameter : HPCI FLOW

~ P3 int ID. : HPCI FLOW Plant Spec Point Desc. : HPCI FLOW

. Generic /Cond Desc. : HPCI FLOW Analog / Digital :-A-Engr Units / Dig States : GPM' Engr-Units Conversion. : N/A

Minimum Instr Range' : 0.0 Maximum Instr. Range : 5000.0

~Z:ro. Point Reference : N/A

R3ference Point Notes : N/A

~ PROC or SENS : S

-Number of Sensors : 1 Now Processed- .: N/A P

C S nsor: Locations . : HPCI PUMP DISCHARGE LINE, SW-QUAD Alarm / Trip Set Points : LOW FLOW AT 400 GPM NI' Detector Power Supply ;

Cut-off Power Level- : N/A NI Detector Power Supply Turn-on Power Level : N/A' Instrument Failure Mode : LAST VALID VALUE ,

LTemperature Compensation L

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= Data Feeder . : N/A i

-NRC ERDS Parameter :- LPCI FIDW !

Point ID' . . : LPCI FLOW- ,

Plant-Spec Point Desc. :-RHR A &.B LOOP COMBINED FLOW Generic /Cond Desc. -:'LPCI FLOW !

Analog / Digital : A

. Engr Units / Dig States : GPM

Engr Units Conversion : N/A Minimum. Instr Range : O.0 !

' Maximum Instr Range

_40000.0 i

'ZCro. Point Reference : N/A !'

Reference ~ Point Notes). : N/A PROC or SENS : P

' Number of-Sensors -: 2 How Processed : SUM .

Sansor Locations : RHR PUMP DISCHARGE LINES, NW & SW QUAD ;

Alarm / Trip Set Points- :-N/A !

NI' Detector Power Supply l Cut-off Power Leve), : N/A

~NI. Detector Power Supply .i Turn-on Power Level : N/A: !

Instrument Failure Mode : SUM OF LAST: VALID VALUES i Tcaparature compensation. .

1 Far DP Transniitters : YES- ;

Level-Reference Leg-Unique System Desc.

N/A

THIS VALUE REPRESENTS THE TOTAL FLOW OF BOTH-LOOPS OF RHR SYSTEM.. EACH LOOP OF THE RHR SYSTEM {

OPERATES IN ONE OF FOUR MODES:. LOW PRESSURE COOLANT INJECTION l (LPCI), CONTAINMENT COOLING, SHUTDOWN COOLING, OR HOT STANDBY. l THE TWO LOOPS OF THE RHR SYSTEM CAN OPERATE-IN SEVERAL l DIFFERENT COMBINATIONS OF THESE MODES. I

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-Engr Units Conversion : N/A Minimum Instr Range : 0.0 M ximum Instr Range : 12000.0 Z ro Point Reference : N/A Reference Point Notes : N/A l PROC or SENS : P Number of Sensors : 2 How Processed : SUM >

S nsor Locations : CS PUMP DISCHARGE LINES, NE & SE QUAD

-Alarm / Trip Set Points : N/A NI Detector Power Supply Cut-off Power Level : N/A NI Detector. Power Supply Turn-on-Power Level : N/A Instrument Failure Mode : SUM OF LAST VALID VALUES TEperature Compensation Fcr DP Transmitters : Yes Level Reference Leg : N/A Unique System Desc. :

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01/16/92

-Reactor Unit. : Col Data Feeder : N/A

':NRC ERDS Parameter

-. : DW FD SMP LV

' Point ID~ : DW FD SMP LV Plant' Spec Point Desc. : DRYWELL FLOOR DRAIN SUMP LEVEL ALARM

' Generic /Cond Desc. : DRYWELL FLOOR DRAIN SUMP LEVEL Analog / Digital : D Engr Units / Dig. State.s : HIGH=1 NML=0 Engr' Units Conversion : N/A

- Minimum Instr Range : 0-Maximum Instr Range : 1 ZCro Point Reference : N/A R2ference Point Notes. : N/A

' PROC or.SENS : S-Number of Sensors : 1 Hnw-Processed : N/A Sensor Locations : F. SUMP IN LOWER LEVEL OF DRYWELL Alcrm/ Trip Set Points : N/A NI Detector Power Supply

, Cut-off Power Level- .: N/A

. NI Detector. Power Supply Turn-on Power Level : N/A Instrument. Failure Mode : LAST VALID VALUE ,

- Tcaparature Compensation

.For DP Transmitters : N/A Level Reference Leg. : N/A Unique System Desc. :

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Col j Data Feeder : N/A !

NRC ERDS Parameter

EFF GAS RAD Point ID :

Plant Spec-Point Desc. : EFF GAS RAD Generic /Cond Desc. ELEVATED RELEASE POINT RADIATION LEVEL- ,

l Analog / Digital- ~:-: A. RADIOACTIVITY OF RELEASED GASSES Engr Units / Dig States' : UCI/S 5

Engr Units Conversion : N/A ;

Minimum Instr Range : 0.01 !

Maximum Instr Range. - : 1.00E12 ;

Zero Point Reference-

N/A {

Reference Point Notes : N/A PROC or SENS -: S- {

Number of. Sensors : 2 i

-How-Processed : !

Sensor' Locations. : PROGRAM PICKS-SENSOR WITH VALID RANGE . '

.~Alara/ Trip Set Poi tns ON ERP DISCHARGE LINE IN OFF-GAS HOUSE ;

NI Detector Power Supply : HIGH ALARM AT 900,000 UCI/S '

Cut-off Power. Level NI Detector Power Supply.: N/A i

Turn-on Power Level- .

.- N/A 7

i Instrument Failure Mode : LAST VALID VALUE !

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Temperature Compensation '

For DP Transmitters : N/A Level Reference Leg : ' N/A Unique-System Desc. :

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e Data Feeders : N/A /

NRC ERDS Paraneter : EFF LIQ RAD /

Point. ID .

..EFF LIQ RAD /

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! 1 Plant Spec Point Desc. t EFF hiD LEVEL Generic /Cond.Desc. -

Analog / Digital : RAPACACTIVITY

A OF RELEASED LIQDS Engr Units / Dig StatesL

CPS

-Engr:Unita-Conversion : N/A Minimum Instr Ranges : 0.1 '

Maximum Instr Range : 1.00E6' Zero Point Reference 1 : N/A Reference Point Notes .: N/A PROC or.SENS : S

. Number.of' Sensors : 1

.How Processed : N/A Sensor Locations : LIQ' RAD WSTE DISCHRG LINE, RAD WSTE BLDG

" Alarm / Trip Set Foints

- NI. Detector Power Supply; HIGH LEVEL AT 10.7 CPS Cut-off Power Level NI Detector Power Supply :'N/A Turn-on_ Power Level- . : N/A ii J l

.Temperature Instrument Failure Mode Compensation : LAST VALID VALUE l.

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For DP Transmitters- : N/A ,

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~ Level Reference Leg vhN Unique System Desc.' : N/A i)I jg u

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Date : 01/16/92~ !

Reactor Unit : Col '

. Data. Feeder : N/A i'*5 ERDS Parameter . : CND A/E RAD

,. 3t ID_ : CND A/E. RAD

. Plant Spec Point Desc. .: SJAE AVERAGE RADIATION LEVEL -l Generic /Cond Desc. :-CONDENSER A/E RADIOACTIVITY j Analog / Digital : A i Engr Units / Dig States : MR/HR' s Engr-Units Conversion : N/A !

' Minimum Instr Range

1.O Maximum Instr Range'- : 1.000E6 ZOro Point Reference : N/A

'ROference Point Notes _ : N/A ;

PROC ' or.. SENS . : P

Number of Sensors : 2 How Processed- : AVERAGE i SOnmor Locations : ' DISCHARGE LINE OF SJAE, TURBINE BLDG ,

Alarm / Trip Set Points- : HIGH LEVEL AT 1585 MR/HR '

NI Detector Power Supply !

-Cut-off Power Level : N/A-_ l

.NI Detector Power Supply

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Turn-on Power Level : N/A ,

Instrument Failure Mode : LAST VALID VALUE

'Tcaperature Compensation Fer.DP Transmitters : N/A l

.' Level Reference Leg : N/A ;

Unique-System Desc. -

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'Date : _01/16/92 Reactor Unit : Col-

. Data Feeder. : N/A NRC ERDS Parameter :-DW RAD Point ID : DW RAD Plant Spec Point Desc. : AVERAGE-DRYWELL RADIATION

-Generic /Cond Desc. : RADIATION LEVEL IN THE DRYWELL Analog / Digital : A Engr Units / Dig States :-R/HR 6 Engr Units Conversion : N/A

. Minimum Instr Range : 1.0

' Maximum Instr Range.

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1.000E7 ZCro~ Point. Reference : N/A ROference Point Notes

- PROC; or ' SENS

N/A

-: P Number-of Sensors : 2 How Processed ' : AVERAGE SCnsor Locations- :--1st LEVEL IN DRYWELL Alarm / Trip Set Points : HIGH LEVEL AT 21 R/HR NI Detector Power Supply Cut-off Power Level. ' : N/A tNI Detector. Power Supply .

Turn-on Power Level . : N/A ;

Instrument Failure. Mode : LAST VALID VALUE~ ;

Tcaparature Compensation .

Fcr.DP. Transmitters . : N/A

. Level Reference Leg : N/A ,

Unique System Desc. : 1 L

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Date : 01/16/92 !

-Rezctor Unit : Col' !

Data Feeder : N/A I NRC ERDS Parameter- : MN STEAM RAD ;

Point-ID

~

MN STEAM RAD t Plant Spec' Point Desc._ : AVERAGE MS RAD LEVEL j Generic /Cond.Desc.

. RADIATION LEVEL MAIN STEAM LINES '

EAn31og/ Digital'. : A !

' Engr. Units / Dig States : MR/HR l Engr? Units Conversion : N/A j Minimum Instr. Range : 1.0 !

Maximum Instr Range -: 1.000E6 ;

Z ro Point Reference- : N/A j Reference Point Notes : N/A .

PROC or SENS- .: P ;

~ Number of Sensors : 4

How Processed. : AVERAGE.

Sensor' Locations : CN MS LINES IN STEAM TUNNEL Alcra/ Trip' Set Points : HIGH LEVEL AT 1340 MR/HR

NI. Detector Power. Supply Cut-off Power Level- .- : N/A-NI-Detector Power Supply Turn-on' Power Level : N/A

-Instrument Failure Mode : LAST VALID VALUE Tc.mperature Compensation For DP Transmitters. : -N/A Level-Reference Leg : N/A Uni @ e-System Desc. : This value represents the average rcdiation level'of the four main steam lines.

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01/16/92 ire ctor Unit : Col, ;

. Data Feeder : N/A- l

-NRC ERDS Parameter- : DW PRESS !

Point ID : DW PRESS i

'Plcnt Spec Point Desc. : AVERAGE DRYWELL PRESSURE

, Generic /Cond Desc. : DRYWELL PRESSURE ,

-Analog / Digital' : A !

Engr Units / Dig States :;PSIG f Engr Units Conversion ' : N/A :

Minimum Instr:Rangs : -5.0 :

JMaximum Instr Range- - : 70.0 l ZCro Point ~ Reference : N/A '

-Reference Point Notes : N/A PROC or SENS- : 1.

' Number of Sensors : 2 i

'How Processed : AVERAGE i Sensor Locations : INSTRUMENT LINES FROM 2nd LEVEL DRYWELL i LAltra/ Trip Set Points : HIGH PRESSURE AT 1.8 PSIG l jNI Detector Power-Supply :

Cut-off Power Level : N/A WI Detector Power. Supply Turn-on Power Level : N/A Instrument Failure Mode : LAST VALID VALUE !

Temperature Compen sation ;

Far DP Transmitters : N/A :

_ . Level Reference Leg : N/A >

Unique System Desc. :

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Date. : 01/16/92 [

1 React'orl Unit : Col i Data' Feeder

' NRC ERDS. Parameter

N/A j

DW TEMP !

~ P31nt'ID : .DW-TEMP' . i

'Plcnt' Spec Point Desc. : AVERAGE DRYWELL TEMPURATURE .'

.: Generic /Cond Desc.

-DRYWELL TEMPURATURE ;

An3 log / Digital . :.A. l Engr Unite / Dig States' : DEGF !

Engr Units Conversion

N/A l Minimum Instr Range : O.O t e : Maximum Instr Range :'400.0 ZOro. Point Reference : N/A .

R3ference Point Notes : 'N/A '

PROC or sells : P -

Number:of Sensors : 20

-How Processed. : WEIGHTED AVERAGE

- Sensor: Locations : VARIOUS LOCATIONS IN DRYWELL .

-Alern/ Trip Set Points : HIGH TEMPERATURE AT 150 DEG F. l NI Detector Power. Supply (

- Cut-off Power Level : N/A )

NI. Detector Power Supply. !

Turn-on Power Level .. ::.N/A i Instrument' Failure. Mode : INiT VALID VALUE- ?

Temperature Compensatior. !

'Far DP Transmitters : N/A !

- LevellReference Leg : N/I i Unique! System Desc. -

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Reactor --. Unit. : Col !

_ Data-Feeder : N/A- j NRC ERDS Parameter : SP TEMP j

-P0 int'ID : SP TEMP '

: Plant-Spec Point'Desc..- : 'OVERALL AVERAGE-SUPP POOL TEMP !

-Generic /Cond:Desc. : SUPPRESSION POOL TEMPERATURE *

Analog / Digital. : A -

'. Engr. Units / Dig States : DEGF- l LEngr Units-Conversion :- N/A l Minimum. Instr Range _ :. O.0 l Maximum Instr Range. : 250.0 :

ZOro' Point Reference . :, N/A '

Raference Point Notes : -N/A :

PROC or SENS : P. ;

' Number of Sensors : 16 :

H:w Processed : AVERAGE !

S;nsor, Locations : BOTTOM OF SUPPRESSION POOL i Alarm / Trip Set Points : HIGH TEMPERATURE AT 95 DEG F ,

NI Detector, Power Supply- '

Cut-off Power Level i N/A i NI Detector Power Supply !

Turn-on Power' Level : N/A !

LInstrument Failure Mode : LAST VALID VALUE l Tcaparature Compensation l For DP-Transmitters' : N/A l Level Reference Leg : N/A ;

-Unique System Desc. : l

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..Dato. : 01/16/92 [

T5.0cctor Unit : Col -}

JData Feeder- : N/A ,

1NRC ERDS Parameter : SP LEVEL ;

Paint ID : SP LEVEL .

.Plont Spec Point Desc. : SUPPRESSION POOL WATER LEVEL [

Gnneric/Cond Desc. : SUPPRESSION POOL WATER LEVEL l Analog / Digital :A i Engr Units / Dig States : FEET l Engr Units Conversion- : N/A !

Minimum Instr Range. : 0.00- i Maximum Instr Range : 30.00 ,

TNKBOT Z3ro Point Reference

.R3ference Point Notes : BOTTOM OF SUPPRESSION POOL = 0 FEET j

.. PROC or SENS- : P ;

Number'of Sensors- : ~2- ;

How Processed : AVERAGE :

-Sansor Locations : IN SUPPRESSION POOL ,

' Alarm / Trip Set Points' : HIGH-LEVEL ALARM AT 12.90 FEET l

-NI. Detector Power Supply l Cut-off Power Level : N/A ;

NI. Detector: Power:. Supply Turn-on. Power Level : 'N/A- l Instrument Failure Mode : LAST VALID VALUE ;

Temperature Compensation !

For:DP. Transmitters : YES l Level Reference Leg : WET ;

Unique System Desc.- : !

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.'Date : 01/16/92 :

Reactor Unit : - Col i Data Feeder :.N/A +

'-NRC=ERDS Parameter : H2 CONC ]

iPaint ID : H2 CONC ,

~ Plant Spec-Point Desc.

_: HYDROGEN CONCENTRATION IN DRYWELL/ TORUS !

G0neric/Cond-Desc. : DRYWELL/ TORUS HYDROGEN CONC ;

= Analog / Digital : A ;'

Engr Units / Dig States : % H2 Engr Units Conversion : N/A :

Minimum Instr Range- : .0.00 i Mtximum Instr Range : 30.00 l 7 .ZGro Point Reference : N/A i R2ference-Point Notes : N/A {

PROC'or SENS : S

. Number of; Sensors : 4 i Haw Processed : N/A ;

Sansor Locations '

3 SAMPLE LINES TO DRYWELL AND 1 TO TORUS

Alarm / Trip Set Points : HIGH ALARM AT 1%

I NI~ Detector. Power. Supply

, Cut-off. Power Level . :.N/A l NI. Detector Power Supply

-Turn-on Power Level- : N/A l

-Instrument Failure Mode ::LAST VALID VALUE l

'Tcaparature Compensation . l

--For DP Transmitters : N/A l Level Reference Leg _

N/A :

Unique. System Desc. : THIS VALUE COMES FROM A ROTATION OF 4 I DIFFERENT. SAMPLE ~ POINTS,.3 IN THE DRYWELL AND 1 IN THE TORUS.

EVERY 10 MINUTES THE VALUE ROTATES TO THE NEXT POINT. THE VALUES ARE FROM DIV II OF THIS SYSTEM. l

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01/16/92 Data i Reactor Unit : C01 Data Feeder : N/A NRC ERDS Parameter : 02 CONC Point ID : 02 CONC Plant Spec Point Desc. : OXYGEN CONCDiTRATION IN DRYWELL/ TORUS Generic /Cond Desc. : DRYWELL/ TORUS OXYGEN CONC Analog / Digital : A Engr Units / Dig States : % 02 Engr Units Conversion : N/A Minimum Instr Range : 0.00 Maximum Instr Range : 30.00 Z2ro Point Reference : N/A Reference Point Notes : N/A PROC or SENS : S

Number of Sensors : 4 H:w Processed : N/A S2nsor Locations : 3 SAKPLE LINES TO DRYWELL AND 1 TO TORUS Alarm / Trip Set Points : HGH ALRM 3.9% DURING RUN & STRTUP MODES NI Detector Power Supply Cut-off Power Level : N/A NI Detector Fower Supply Turn-on Power Level : N/A Instrument Failure Mode : LAST VALID VALUE Temperature compensation Fcr DP Transmitters : N/A Level Reference Leg : N/A Unique System Desc. : THIS VALUE COMES FROM A ROTATION OF 4 DIFFERENT SAMPLE POINTS, 3 IN THE DRYWELL AND 1 IN THE TORUS.

EVERY 10 MINUTES THE VALUE ROTATES TO THE NEXT POINT. THE VALUES ARE FROM DIV II OF THIS SYSTEM.

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Date : 01/16/92 R20ctor-Unit : Col Data Feeder : N/A ,

NRC ERDS Parameter : CST LEVEL -

Paint- : CST LEVEL

Plant Spec Point Desc. : CONDENSATE STORAGE TANK A LEVEL Generic /Cond Desc. : CONDENSATE STORAGE TANK LEVEL Annlog/ Digital :A '

Engr Units / Dig States : PERCENT Engr Units Conversion : EACH 1% = 4500 GALLONS Minimum Instr Range : 0.0 Maximum Instr Range : 100.0 ,

ZGro Point Rtference : TNKBOT

'RDference Pc6.nt Notes : BOTTOM OF DISCHARGE PIPE = 0%

PROC or SENS : S Number of Sensors : 1 How Processed : N/A l

-S nsor Locations : SOUTH YARD, CST 1A DISCHARGE PIPE LEVEL l' Alarm / Trip Set Points : LOW LEVEL ALARM AT 25%

NI Detector Power _ Supply Cut-off Power Level : N/A NI Detector Power Supply Turn-on Power Level : N/A Instrument Failure Mode : LAST VALID VALUE " '

Temperature Compensation For DP Transmitters : N/A i Level Reference Leg : DRY !

Unique System Desc. : This is a 450,000 gallon storage ,

tank.

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-Date- : 01.46/92 f Renctor Unit- : CO) l' Data Feeder ': N/A

NRC ERDS Paramet'er- : WIND SPEED f Point ID : WIND SPEED l iPlCnt Spec Point Desc. : ~ 100M LVL WIND SPEED JGeneric/Cond Desc.

WIND SPEED AT THE REACTOR SITE

.-Analog / Digital : A i Engr Units / Dig States : MPH i Engr Units Conversion- : N/A i Minimum Instr Range, : 0.0 !

LMaximum Instr Range : 100.0 j LZ0ro Point-Reference : N/A ;

.R ference Point Notes :.N/A l

PROC or:SENS. ~

S !

<. Number of Sensors : 1 r H:w Processed : N/A j Sanser Locations : 100M POSITION OF METEROLOGICAL TOWER i

N/A

-Alera/ Trip Set Points t

.NI' Detector Power Supply

' Cut-off Power Level' _ : N/A-NI Detector Power Supply

. Turn-on Power Level : N/A r In trument Failure Mode :'LAST_ VALID VALUE Tcaperature Compensation t Fcr DP Transmitters. : N/A i Level Reference Leg- : N/A !

Unique' System Desc. .: -SENSOR IS LOCATED AT 100M LEVEL ON j

' METEROLOGICAL TOWER. . THE RELEASE POINT OF THE ERP TOWER IS !

100M.

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.NRC ERDS Parameter : WIND DIR Point ID : WIND DIR Plent Spec Point Desc. : 100M LVL WIND DIRECTION Generic /Cond Desc. : WIND DIRECTION AT REACTOR SITE Analog / Digital : A Engr Units / Dig States : DEGFR Engr Units Conversion : N/A Minimen instr Range : 0 M2ximum Anstr Range : 360 Z ro Point Reference : N/A R3ference Point Notes : N/A PROC or SENS : S Number of Sensors : 1 How Processed : N/A S2nsor Locations : 100M LOCATION OF METEROLOGICAL TOWER Altrm/ Trip Set Points : N/A NI Detector Pover. Supply Cut-off Power Level : N/A NI Detector Power Supply Turn-on Power Level : N/A In trument Failure Mode : LAST VALID VALUE Tc:parature Compensation Fcr DP Transmitters : N/A Level Reference Leg : N/A Unique System Desc. : THIS SENSOR IS LOCATED AT 100M LEVEL OF FAEROLOGICAL TOWER. THE RELEASE LEVEL FOR THE ERP TOWER IS 100M. O DEGREES IS NORTH, 90 DEGREES IS EAST, 180 DEGREES IS SOUTH, 270 DEGREES IS WEST.

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Plcnt Spec Point Desc. : AIR STABILITY CLASS AT 100M/

GCneric/Cond Desc. : AIR STADILITY AT REACTOR S,ITE Analog / Digital : A /

Engr Units / Dig States : STABA Engr Units Conversion : N/A '

Minimum Instr Range : A Maximum Instr Range : G /

ZOro Point Reference : N/A /

R2ference Point Notes : N/A /

PROC or SENS : P f

/

Number of Sensors : 2 /

How Processed : PROGRAM USING DATA POINT REFERENCE LIBR SCnsor Locations : METEROLOGICAL / TOWER

-Alarm / Trip Set Points ?

N/A' /

NI Detector Power Supply j .j Cut-off Power Level : N/A / ..

NI Detector Power Supply /

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In3trument Failure Mode : LAST VALID VALUE t 'j Tarperature Compensation / >

For DP Transmitters : N/A /

Level Reference Leg : N/A / 'b /b Unique System Desc. : j/ y o

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- NRC ERDS Parameter : N/A P31nt ID : RHR FLOW A Plant Spec Point Desc. : RHR FLOW A LOOP Generic /Cond Desc. : RHR FLOW A

Analog / Digital : A Engr Units / Dig States : GPM Engr Units Conversion : N/A Minimum Instr Range : 0.0 i

Maximum Instr Range : 20000.0 Z2ro Point Reference : N/A R ference Point Notes : N/A PROC-or SENS : S Number of Sensors : 1 How Processed : N/A Srnsor Locations : RHR PUMP A DISCHARGE LINE, NW QUAD Alarm / Trip Set Points : N/A NI Detector Power Supply Cut-off Power Level : N/A NI Detector Power Supply Turn-on Power Level : N/A {

Instrument Failure Mode : LAST VALID VALUE I Tcuperature Compensation Fcr'DP Transmitters : Yes Level Reference Leg :.N/A Unique System Desc. : THIS VALUE INDICATES THE FLOW OF A LOOP RHR PUMPS. EACH LOOP OF THE RHR SYSTEM OPERATES IN ONE OF FOUR MODES: LOW PRESSURE COOLANT INJECTION (LPCI), CONTAINMENT COOLING, SHUTDOWN COOLING, OR HOT STANDBY. THE TWO LOOPS OF i THE RHR SYSTEM CAN OPERATE IN SEVERAL DIFFERENT COMBINATIONS OF l THESE MODES.

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Jcn 16, 1992 Date. : 01/16/92 Reactor Unit : Col Data Feeder : N/A NRC ERDS Parameter : N/A Paint ID : RHR FLOW B Plant Spec Point Desc. : RHR FLOW B LOOP Generic /Cond Desc. : RHR FLOW B Analog / Digital : A r Engr Units / Dig States : GPM Engr Units Conversion : N/A Minimum Instr Range : 0.0 Maximum Instr Range : 20000.0 Z:ro Point Reference : N/A

-R ference Point Notes : N/A F PROC or SENS : S Number of Sensors : 1 How Processed : N/A Snnsor Locations : RHR PUMP B DISCHARGE LINE, SW QUAD Alarm /Trii. Set Points : N/A

NI Detector Power Supply Cut-off Power Level : N/A '

NI Detector Power Supply Turn-on Pouer Level : N/A Instrument Failure Mode : LAST VALID VALUE Tcmperature Compensation 1Fcr DP Transmitters : Yes Level Reference Leg : N/A Unique System Desc. : THIS VALUE INDICATES THE FLOW OF B LOOP RHR PUMPS. EACH LOOP OF THE RHR SYSTEM OPERATES IN ONE OF FOUR MODES: LOW PREUSURE COOLANT INJECTION (LPCI), CONTAINMENT

-COOLING, SHUTDOWN COOLING, OR HOT STANDBY. THE TWO LOOPS OF THE RHR SYSTEM CAN OPERATE IN SEVERAL DIFFERENT COMBINATIONS OF THESE MODES.

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a Jcn 16, 1992'

Date : 01/16/92 zRatctorl Unit : Col-e- Data Fereder : N/A

-NRC.EPOS Parameter. : N/A

~ Point ID : CS FLOW A

-Plcnt Spec Point Desc. : CORE SPRAY FLOW A LOOP Generic /Cond Desc. : CORE SPARY FLOW A Analog / Digital : A Engr Units / Dig States' : GPM Engr Units Conversion : N/A

,~ Minimum Instr Range .: 0.0 Maximum Instr Range

6000.0 ZCro Point Reference : N/A

[c R3ference Point Notes :.N/A PROC or SENS : S fi Number of Sensors : 1

.How Processed : N/A SOnsor-Locations :'CS PUMP A DISCHARGE LINE, NE QUAD Alcrm/ Trip Set Points : N/A.

NI ?stector Power Supply

. Cut-off-Power Level- .

N/A NI.: Detector Power Supply Turn-on' Power Level. : N/A In0trument Failure: Mode : LAST VALID VALUE Temperature Compensation -

Fcr DP Transmitters : Yes Level Reference. Leg. : N/A-Unique System Desc. :

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Date : 01/16/92 !

-Reactor Unit : Col ;

Data Feeder . :.N/A '

NRC,ERDS Parameter : N/A ;

-Point ID .

CS. FLOW B i Plcnt Spec Point Desc. : CORE SPRAY FLOW B LOOP Generic /Cond Desc. : CORE SPARY FLOW B Analog / Digital : A r

GPM Engr Units / Dig States Engr Units Conversion : N/A Minimum Instr Range : 0.0 ,

-Maximum Instr Range : 6000.0

'Z ro Point Reference : N/A i

~ Reference-Point Notes -: N/A i PROC or SENS : S !

Number of Sensors : 1 How Processed : N/A Sensor. Locations : CS PUMP B DISCHARGE LINE, SE QUAD

- -Altrm/ Trip Set Points : N/A NI Detector Power Supply.

' Cut-off' Power Level- : N/A :

NI Detector Power Supply ,

E Ttrn-on Power Level : N/A 2nstrument-Failure Mode : LAST VALID VALUE Temperature Compensation

Fsr-DP Transmitters. : Yes !

Level Reference Leg : .N/A !

-Unique System Desc. :-

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. .Date-

01/16/92

__ Renctor Unit- : Col-Data Feeder : N/A j

NRC ERDS Parameter : N/A ;

- Point ID

~

CRD FLOW I Pltnt-Spec Point Desc. : CRD SYSTEM FLOW {

Generic /Cond Desc. : CRD SYSTEM FLOW L

- Analog / Digital. : A i Engr Units / Dig States : GPM l Engr' Units Conversion : N/A l

- Minimum Instr Range : 0.0 l

. Maximum Instr Range : 160.0 Z ro Point-Reference : N/A j Rnference Point Notes .: N/A i PROC or SENS : S i Number.of Sensors : 1 i 4 , - How Processed : N/A [

S nsor Locations : CRD PUMPS DISCHARGE LINE, REACT BLDG ^

- Alerm/ Trip Set Points : N/A' .

NI Detector Power Supply l Cut-off~ Power Level : N/A :

~

. NI' Detector Power. Supply ;

Turn-on, Power _ Level ' : N/A !

~ Instrument Failure Mode : LAST VALID VALUE i T.mperature Compensation Fcr DP Transmitters : Yes ,

Level Reference Leg : N/A

- Unique-System Desc. : )

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.Date : 01/16/92 Reactor Unit : Col -

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=Dath Feeder : N/A !

NRC ERDS Parameter :-N/A Point ID : EMG CST A !

Plent Spec Point Desc. : EMERG COND STRG TK 1A LEVEL Generic /Cond Desc. : EMERG COND STRG TK 1A LEVEL An21og/ Digital : A

. Engr Units / Dig States : PERCENT i Engr Units Conversion : 1% = 500 GALLONS

Minimum Instr Range : 0.0 Maximum Instr Range : 100.0 <

ZOro Point Reference : TNKBOT !

'R3ference Point Notes : BOTTOM OF DISCHARGE PIPE = 0% !

PROC or SENS : S Number of-Sensors : 1 l

How Processed : N/A !

Ssnsor Locations .

ECST ROOM, ECST 1A DISCHARGE PIPE LEVEL .

Altra/ Trip Set Points : HIGH LEVEL AT 97%

NI Detector Power Supply

' Cut-off Power Level ' : N/A. -

NI Detector Power' Supply i' Turn-on Power Level : N/A

.In3trument Failure Mode : LAST VALID VALUE .

Temperature Compensation !

Far DP Transmitters : N/A l Level Reference. Leg : DRY .

Unique System Desc. : .THIS IS A 50,000 GALLON TANK AND IS !

CROSS-CONNECTED TO EMERGENCY CONDENSATE STORAGE TANK 1B. !

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~ Data Feeder ~ _ : N/A NRC ERDS Parameter- : N/A Point ID- : EMG CST B

~Plcnt Spec Point Desc. : EMERG COND STRG TK 1B LEVEL Generic /Cond Desc. : EMERG COND STRG TK 1B LEVEL Analog / Digital : A-

-Engr Units / Dig States : PERCENT

, Engr' Units Conversion : N/A Minimum-Instr Range : 0.O Maximum Instr Range : 100.0-Z3ro Point Reference : TNKBOT Reference Point Notes : BOTTOM OF DISCHARGE PIPE = 0%

PROC.or.SENS : S Number of Sensors. : 1 How Processed : N/A Sensor Locations : ESCT ROOM, ESCT 1B DISCHARGE PIPE LEVEL Altra/ Trip Set Points .: HIGH LEVEL AT 97%

NI Detector Power-Supply Cut-off Power Level- : N/A

NI-' Detector Power. Supply Turn-on Power Level : N/A..

.In2trument--' Failure Mode : LAST VALID VALUE

~' Temperature Compensation Fcr DP Transmitters : N/A'.

Level Reference-Leg- : DRY Unique System Desc. : THIS IS A 50,000 GALLON TANK AND IS

' CROSS-CONNECTED TO EMERGENCY CONDENSATE STORAGE TANK 1A.

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F ENCLOSURE TENNESSEE VALLEY AUTHORITY PRELIMINARY RESPONSE TO APPENDIX B - NUREG 1394 III. Selection of Data Feeders A. How many data feeders are there?

One.

B. Identify the selected data feeders and provide for each.

The Central Emergency Control Center (CECC) computer system is the selected data feeder to implement ERDS for Sequoyah unit 1, Sequoyah unit 2 and Browns Ferry Unit 2.

1. Description of the categories of data points it will l provide n-All the required data that is available on the plant SPDS computers and the requested meteorological data.

2. The rationale for selecting it.

The data feeder selected is the Central Emergency Control Center (CECC) computer system. This system was selected for the following reasons:

- The CECC computer system has access to all the data on the SPDS computer system for each operating unit as well as the meteorological data for each site.

- Less software needs to be written and maintained since

( only one system will require an initiation and data transfer program. Data transfer from the SPDS computers to the CECC is already available.

I

- Less expensive and shorter lead time to implement since no Design Change Request needs to be written to install the link to the NRC.

- Requires only one place for activating che ERDS interface. This will reduce the numher of people that require training in the activation process.

o TENNESSEE VALLEY AUTHORITY PRELIMINARY RESPONSE TO APPENDIX B - NUREG 1394

.The CECC also has high speed-links to the Sequoyah and Watts Bar simulators and will be networked with the CECC.

During REP drills data can be received from these systems in place of the live data. This would allow the NRC to receive simulated data during an REP exercise without installing additional links.

- As additional units such as BF3 or WB2 near fuel load or restart, no additional ERDS links will be required.

C. Which data feeder is the site time determining feeder?

The CECC computer system controls the time that is displayed in the CECC and will drive time displays in the site Technical Support Centers. Data received from the plant SPDS computers is not time tagged. The CECC computer system will time tag the ERDS data prior to transmissions.

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TElmESSEE VALLEY AUTHORITY PRELIMINARY RESPONSE TO APPENDIX B - HUREG 1394

+=

4- 7 IV. Data Feeder Information

1. Identification of Feeder

a. Name in local parlance and Acronym.

Central Emergency Control Center (CECC)

b. Is this the site time determining feeder?

Yes.

c. How'often will this feeder transmit an update to ERDS.

Every 15 seconds.

2. Hardware / Software Environment

a. Identify the manufacturer and mod (. number.

Digital Equipment Corporation Vax 4000, Model 200

b. Operating System VMS

c. What method of timekeeping (Daylight, standard, greenwich?)

Daylight / Standard d.g In what time zone is it located.

The CECC computer uses Central time for Browns Ferry and Eastern time for Sequoyah and Watts Bar.

v

y ..

f l

5 i

i TENNESSEE VALLEY AUTHORITY !

PRELIMINARY RESPONSE TO APPENDIX B - NUREG 1394

+,

3. Data Communications Details +-*

a. Can it provide Asynchronous serial data (RS-232-C) with full modem control?

Yes.

b. Ascii or Ebcdic?

ASCII.

b c. Can it transmit at 2400 bps?

Yes.

d. Does operating system support Xon/Xoff?

Yes.

" e. If not why not.

f. Do any ports currently exist for ERDS linkup?

Yes.

i

4. Data Feeder Physical Environment and Management

a. *dhere located in terms of TSC, EOF, control room?

The CECC computer system resides at the EOF in Chattanooga.

b. Is it protected for loss of electricity?

gYes, the CECC is provided with diesel power should the electricity fail. The new computer systems will be on a uninterruptable power source as well. !

c. Is there a human operator for the data feeder?

Yes.

1. How many hours attended?

The Operations Duty Specialist monitors system I availability on a 24 per day basis and is available to ,

activate the ERDS.

ML19339F324

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