ML19339F324

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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 Entergy icon.png
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


Text

..

GENERAL OFFICE P O BOX 499. COLUMBUS. NEBRASKA 686024499 Nebraska Public Power Distrn,t

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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 920131 I

V DR ADOCK 05000298 PDR Powerful Pride in Nebraska

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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):

t

-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

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NUR EG-1394. Rev.1 U-2

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III. Selection Of Data Feeders

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

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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 What is the name in local parlance given to this data feeder (e.g., Emergency Response a.

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.

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

c.

This feeder will transmit an update set +o the ERDS i

every 15 seconds.

2.

Hardware / Software Environment Identify the manufacturer and model number of the data feeder hardware.

a.

DEC VAX 11/785.

l b.

Identify the operating system.

VMS.

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

c.

Standard. Greenwich)?

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

i d.

In what time zone is this feeder located?

This feeder is located in the Central Time Zone.

NU.7r.G-Goa. Ret a4

i i-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.

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

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).

[

t 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.

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N/A ENRC:ERDS Parameter
NI POWER RNG

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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 l

Minimum Instr Range

0.0 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.

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

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NRC.ERDS Parameter

NI INTER RNG Point ID Plait Spec Point-Desc.
NOT CURRENTLY AVAILABLE

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-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

-Unique.. System Desc.

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.: N/A NRC: ERDS ' Parameter

NI SOURC RNG

'h, h Paint ID r

NI SOURC'RNG-W? ant Spec Point Desc.-

AVERAGE SRM (SOCRCE RANGE)

Generic /Cond Desc,

-: NI, SOURCE RANGE s

. 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

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Turn-on Power Leve1

. : N/A-t eC s

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'Far DP Transmitters.

N/A Level Reference Leg
N/A
Unique System Desc.~
1 SENSORS RETRACTED WHEN-MODE SWITCH IS

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SWITCHED:-TO.RUN POSITION.

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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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-N/A

~NRC ERDS Parameter-

MAIN FD-FLOW
PJ: int ID
MAIN FD FLOW

. Plant Spec Point Desc.

MAIN CONDENSATE FLOW Generic /Cond Desc.

Analog / Digital

FEEDWATER FLOW INTO REACTOR SYS
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

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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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' RCIC FICW
7 -Point ID.
RCIC FLOW M:t ' Plant Spec: Point'Desc.
RCIC: FLOW-
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RCIC FLOW iAnalog/ Digital.
A Engr; Units / Dig. States
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Engr Units-Conversion.

_: N/A Minimum Instr Range.

.: 0.0

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. : 500.0

Z ro Point

Reference:

-:.N/A R2ference Point: Notes.

.:-N/A

' PROC or:SENS

':S

' Number?of Sensors

1 How Processed
.N/A 7-.

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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N/A

'NRC ERDS Parameter

RCS PRESSURE

' Paint ID

RCS PRESSURE
Plant Spec Point Desc.
AVERAGE RPV PRESSURE

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-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

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PROC or SENS.

P Number of-Sensors.
2 l

i 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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NRC-ERDS Parameter
HPCI FLOW

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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

S nsor: Locations.

HPCI PUMP DISCHARGE LINE, SW-QUAD C

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

Tcr DP' Transmitters

YES

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Level-Reference Leg

N/A Unique System Desc.

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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 Reference ~ Point Notes).

N/A
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-
N/A Unique System Desc.
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.

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N/A NRC EROS Parameter
CR SPRAY FL Point ID
CR SPRAY FL Plant Spec Point Desc.
CORE SPRAY LOOP A & LOOP B COMBINED FLOW Generic /Cond Desc.
CORE SPRAY COOLING SYSTEM FLOW Analog / Digital
A Engr Units / Dig States
GPM

-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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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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N/A NRC ERDS Parameter
EFF GAS RAD Point ID
EFF GAS RAD Plant Spec-Point Desc.

ELEVATED RELEASE POINT RADIATION LEVEL-Generic /Cond Desc.

~ :. RADIOACTIVITY OF RELEASED GASSES l Analog / Digital-

- A 5

Engr Units / Dig States'

UCI/S Engr Units Conversion
N/A Minimum Instr Range
0.01 Maximum Instr Range.

- : 1.00E12 Zero Point Reference-

N/A

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Reference Point Notes

N/A PROC or SENS Number of. Sensors S-

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2 i

-How-Processed Sensor' Locations.

PROGRAM PICKS-SENSOR WITH VALID RANGE.

ON ERP DISCHARGE LINE IN OFF-GAS HOUSE

.~Alara/ Trip Set Poi tns

HIGH ALARM AT 900,000 UCI/S NI Detector Power Supply Cut-off Power. Level

.: N/A i

NI Detector Power Supply 7

Turn-on Power Level-

.- N/A i

Instrument Failure Mode : LAST VALID VALUE Temperature Compensation For DP Transmitters

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N/A Level Reference Leg

' N/A Unique-System Desc.

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EFF LIQ RAD

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..EFF LIQ RAD

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Plant Spec Point Desc.

r; EFF hiD LEVEL t

! 1 Generic /Cond.Desc.

RAPACACTIVITY OF RELEASED LIQDS
Analog / Digital
A 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

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N/A Sensor Locations

" Alarm / Trip Set Foints

LIQ' RAD WSTE DISCHRG LINE, RAD WSTE BLDG
HIGH LEVEL AT 10.7 CPS

- NI. Detector Power Supply; Cut-off Power Level

'N/A NI Detector Power Supply Turn-on_ Power Level-.
N/A J

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

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N/A vhN

~ Level Reference Leg

N/A i)I Unique System Desc.'

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

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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

[

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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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.

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

- PROC; or ' SENS

-: 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

. Level Reference Leg

. : N/A

N/A Unique System Desc.

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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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pg ym, u.m=1 Jan 16, 1992 j

Datei

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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01/16/92

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Col i

Data' Feeder

N/A j

' NRC ERDS. Parameter

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
Maximum Instr Range
'400.0 e

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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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
Raference Point Notes

. :, N/A

-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.

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01/16/92

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Col

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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 Z3ro Point Reference
TNKBOT

.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 l

Turn-on. Power Level

'N/A-Instrument Failure Mode : LAST VALID VALUE Temperature Compensation For:DP. Transmitters
YES l

Level Reference Leg

WET Unique System Desc.-

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01/16/92 Reactor Unit
- Col i

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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.

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Data

01/16/92 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

-Alera/ Trip Set Points

N/A 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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01/16/92 Re:ctor Unit
Col Data Feeder
N/A

.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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FPDh ;caAL s E2 jjwg a sw.cuaSS L n 16, 1992 Date

01/16/92 Racctor Unit
C01 Data Feeder
N/A NRC ERDS Parameter
STAB CLASS Point ID
STAB CLASS

./

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

/

U; /,' p.

NI Detector Power Supply

/

/(

ff L Turn-on Power Level

N/A

/

)

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

/

'b /b For DP Transmitters

N/A /

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

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 Maximum Instr Range
20000.0 i

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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.a 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 Engr Units / Dig States
GPM r

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'

ate D

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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gun 34m s 35 g3' Nt.ur -s OT2t.1 Jan 16, 1992 i-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

Engr Units / Dig States

GPM 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

, - How Processed

N/A

[

4 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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CST-LEET 2 a ;;f pg,

Jan 16, 1992

[

.Date

01/16/92 Reactor Unit
Col i

=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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14 Aug s ' Cr7. Le?viL O Jcn 16, 1992

.....Date'

01/16/92 Reactor: Unit
Col

~ 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.

g.-

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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h TElmESSEE VALLEY AUTHORITY PRELIMINARY RESPONSE TO APPENDIX B - HUREG 1394

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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.

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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.

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