ML031330133

Emergency Response Data System

ML031330133
Person / Time
Site:	Calvert Cliffs
Issue date:	05/07/2003
From:	Roach E Constellation Energy Group
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML031330133 (16)

Text

Calvert Cliffs Nuclear Power Plant 1650 Calvert Cliffs Parkway Constellation Generation Group, LLC Lusby, Maryland 20657 Constellation I Energy Group May 7, 2003 U. S. Nuclear Regulatory Commission Washington, DC 20555 ATTENTION: Document Control Desk

SUBJECT:

Calvert Cliffs Nuclear Power Plant Unit No. 2; Docket No. 50-318 Emergency Response Data System The attached revision to the Emergency Response Data System (ERDS) Data Point Library for the Calvert Cliffs Nuclear Power Plant is provided pursuant to 10 CFR Part 50, Appendix E, Section VI.3.a.

The table below provides a brief summary of the changes:

Point Unit Description - -PreviousRange New Range Identifier'--;.--  :---

SP3I17A 2 Steam Generator 21 Water -401.5:62.5 inches 401.0:63.5 inches Level SP3Il7B 2 Steam Generator 22 Vater 401.5:62.5 inches -401.0:63.5 inches Level SPOI06A 2 Steam Generator 21 Inlet 212:705 DEGF 50:700 DEGF Temperature SPOI06B 2 Steam Generator 22 Inlet 212:705 DEGF 50:700 DEGF Temperature SP3113A 2 Steam Generator 21 Outlet 212:705 DEGF 50:700 DEGF Temperature SP3113B 2 Steam Generator 22 Outlet 212:705 DEGF 50:700 DEGF Temperature The Data Point Library Sheet for point SP3123, Core Subcooled Margin, wvas revised to delete the alarzm setpoint to match the SPDS Alarm Manual and to change the number of sensors from 45 to 35.

The "before" and "after" ERDS Data Point Library sheets are attached. 1A (DC 7 0

Document Control Desk May 7, 2003 Page 2 Should you have questions regarding this matter, we will be pleased to discuss them with you.

Very truly yours, 304842? C/

Edward H. Roach Director - Emergency Planning EHR/CAN/bjd

Attachment:

As Stated cc: J. Petro, Esquire H. J. Miller, NRC J. E. Silberg, Esquire Resident Inspector, NRC Director, Project Directorate I-1, NRC R. I. McLean, DNR G. S. Vissing, NRC J. R. Jolicoeur, NRC

PWR DATA POINT LIBRARY REFERENCE FILE REV DATE: 11/04/92 PAGE  : 4 DATE: 07/005/91 REACTOR UNIT: CC2 DATA FEEDER: CC21 NRC ERDS PARAMETER: SUB MARGIN POINT ID: SP31 23 PLANT SPEC POINT DESC.: CORE SUBCOOLED MARGIN GENERIC/COND DESC.: SATLIRATION TEMPERATURE-HIGH CET ANALOG/DIGITAL: A ENGR UNITS/DIG STATES: DEGF ENGR UNITS CONVERSION: N/A MINIMUM INSTR RANGE: 40 MAXIMUM INSTR RANGE: 230C ZERO POINT

REFERENCE:

N/A REFERENCE POINT NOTES: N/A PROC OR SENS: P NUMBER OF SENSORS: 45 HOW PROCESSED: AVG EACH QUADRANT'S PTS.:4 QUADS-4 AVGS SENSOR LOCATIONS: N/A ALARM/TRIP SET POINTS: 2 OF 4 HIGHEST AVGS IN QUADRANT 650 NI DETECTOR POWER SUPPLY CUT-OFF POWER LEV: N/A NI DETECTOR POWER SUPPLY TURN-ON POWER LEV: N/A INSTRUMENT FAILURE HOE: N/A TEMPERATURE COMPENSATION FOR DP TRANSMITTERS: N tEVEL-REFERENCE-4EG* 4h-k UNIQUE SYSTEM DESC.: CORE SUBCOOLED MARGIN IS CALCULATED BY THE

)RATION TEMPERATURE AS DETERMINED FROM SURIZER PRESSURE MINUS THE CORE EXIT TEMP 2113).

PWR Data Point Library Reference File Report Date: 03-26-2003 Page: 4 Date: 03/26/2003 Reactor Unit: CC2 Data Feeder CC21 NRC ERDS Parameter SUB MARGIN Point ID: SP3123 Plant Speclfic Point Descripion: CORE SUBCOOLED MARGIN Generic / Condition

Description:

SATURATION TEMPERATURE-HIGH CET Analog I Dlgital: A ENGR Units / Digital States: DEGF ENGR UnIts Converslon: N/A Minimum Instrument Range: 40 Maximum Instrument Range: 2300 Zero Point

Reference:

N/A Reference Point Notes N/A Proc or Sens: P Number of Sensors: 35 How Processed: AVG EACH QUADRANTS PTS.:4 QUADS-4 AVGS Sensor Locations N/A Alarm / Trip Stpoints: N/A NI Detector Power Supply Cut-Off Power Level: N/A NI Detector Power Supply Tum-on Power Level: N/A Instrument Failure Mode: N/A Tempetature Conpensation for DP Transmitters: N Level Reference Leg: N/A Unique System

Description:

CORE SUBCOOLED MARGIN ISCALCULATED BY THE SATURATION TEMPERATURE AS DETERMINED FROM PRESSURIZER PRESSURE MINUS THE CORE EXIT TEMP (SP2113).

PWR DATA POINT LIBRARY REFERENCE FILE REV DATE: 11/04/92 PAGE 6 DATE: 07/05/91 REACTOR UNIT: CC2 DATA FEEDER: CC21 NRC ERDS PARAMETER: SG LEVEL 1/A POINT ID: SP3117A PLANT SPEC POINT DESC.: SG LEVEL LOOP 21 GENERIC/COND DESC.: STEAM GENERATOR 21 WATER LEVEL ANALOG/DIGITAL: A ENGR UNITS/DIG STATES: INCHES ENGR UNITS CONVERSION: N/A MINIMUM INSTR RANGE: -401.5 MAXIMUM INSTR RANGE: 62.5 ZERO POINT

REFERENCE:

N/A REFERENCE POINT NOTES: Oil= 601" ABOVE THE FEED RING PROC OR SENS:

NUMBER OF SENSORS:

HOW PROCESSED: AVG OF TWO CHANNELS SENSOR LOCATIONS: N/A ALARM/TRIP SET POINTS: X >= 50 X =-170 NI DETECTOR POWER SUPPLY CUT-OFF POWER LEV-: N/A NI DETECTOR POWER SUPPLY TURN-ON POWER LEV: N/A INSTRUMENT FAILURE MOE: N/A TEMPERATURE COMPENSATION FOR DP TRANSMITTERS: N

-6E-VE-REFERENGE-LEG-UNIQUE SYSTEM DESC.: A LOW LEVEL REACTOR TRIP OCCURS AT -50" AS READ ON THE NARROW RANGE LEVEL DETECTOR. AFAS WILL ACTUATE AT -170" AS READ ON THE WIDE RANGE S/G LVL DETECTOR. POINT ID SP3117A IS A WIDE RANGE LVL INDICATOR.

PWR Data Point Ubrary Reforence File Report Date: 03-18-2003 Page: 6 Date: 03/18/2003 Reactor Unit CC2 Data Feeder CC21 NRC ERDS Parameter: SG LEVEL 1/A Point ID: SP311 7A Plant Specific Point

Description:

SG LEVEL LOOP 21 Goneric / Condition

Description:

STEAM GENERATOR 21 WATER LEVEL Analog / Digital: A ENGR Units / Digital States: INCHES ENGR Units CoQrensIon: N/A Minimum Instrument Range: -401.0 Maximum Instrument Range: 63.5 Zero Point

Reference:

N/A Reference Point Notes 0" = 60" ABOVE THE FEED RING Proc or Sens: p Number of Sensors: 2 How Processed: AVG OF TWO CHANNELS S6ris6r16citins N/A Alarm / Trip Setpoints: X>=50 X <=-170 NI Detector Power Supply Cut-Off Power Level: N/A Ni Detector Power Supply Tum-on Power Level: N/A Instrument Failure Mode: N/A Temperature Compensation for DP Transmitters: N Level Reference Leg: WET Unique System

Description:

A LOW LEVEL REACTOR TRIP OCCURS AT AS READ ON THE NARROW RANGE LEVEL DETECTOR. AFAS WILL ACTUATE AT -170" AS READ ON THE WIDE RANGE S/G LVL DETECTOR. POINT IDSP3I17A ISA WIDE RANGE LVL INDICATOR.

PUR DATA POINT LIBRARY REFERENCE FILE REV DATE: 11/04/92 PAGE  : 7 DATE: 07/05/91 REACTOR UNIT: CC2 DATA FEEDER: CC21 NRC ERDS PARAMETER: SG LEVEL 2/B POINT ID: SP3117B PLANT SPEC POINT DESC.: SG LEVEL LOOP 22 GENERIC/COND DESC.: STEAM GENERATOR 22 WATER LEVEL ANALOG/DIGITAL: A ENGR UNITS/DIG STATES: INCHES ENGR UNITS CONVERSION: N/A MINIMUM INSTR RANGE: -401.5 MAXIMUM INSTR RANGE: 62.5 ZERO POINT

REFERENCE:

N/A REFERENCE POINT NOTES: 0" = 60" ABOVE THE FEED RING PROC OR SENS: P NUMBER OF SENSORS: 2 HOW PROCESSED: AVG OF TWO CHANNELS SENSOR LOCATIONS: N/A ALARM/TRIP SET POINTS: X >= 50 X <=-170 NI DETECTOR POWER SUPPLY.CUT-OFF POWER.LEV: N/A NI DETECTOR POWER SUPPLY TURN-ON POWER LEV: N/A INSTRUMENT FAILURE MODE: N/A TEMPERATURE COMPENSATION FOR DP TRANSMITTERS: N LEYEL_REFERENCE_LEG: LWEL..

UNIQUE SYSTEM DESC.: A LOW LEVEL REACTOR TRIP OCCURS AT -50" AS READ ON THE NARROW RANGE LEVEL DETECTOR. AFAS WILL ACTUATE AT -170" AS READ ON THE WIDE RANGE S/G LVL DETECTOR. POINT ID SP3117B IS A WIDE RANGE LVL INDICATOR.

PWR Data Point Library Reference File Report Date: 03-18-2003

- Page: 7 Date: 03/18/2003 Reactor Unit: CC2 Dala Feeder. CC21 NRC ERDS Parameter: SG LEVEL 2/B Point ID: SP311 7B Plant Specific Point

Description:

SG LEVEL LOOP 22 Generic / CondiHion

Description:

STEAM GENERATOR 22 WATER LEVEL Analog / Digital: A ENGR Units / Digital States: INCHES ENGR Vnits Conversion: NA,.

Minimum Instrument Range: -401.0 Maximum Instrument Range: 63.5 Zero Point

Reference:

N/A Reference Point Notes 0 = 60" ABOVE THE FEED RING Proc or Sens: p Number of Sensors: 2 How Processed: AVG OF TWO CHANNELS Sbffs6rlcbti6ris N/A Alarm / Trip Setpoints: X>=50 X<=-170 NI Detector Power Supply Cut-Off Power Level: N/A Ni Detector Power Supply Tum-on Power Level: NIA Instrument Failure Mode: N/A Temperature Compensaffon for DP Transmiters: N Level Reference Leg: WET Unique System

Description:

A LOW LEVEL REACTOR TRIP OCCURS AT -50 AS READ ON THE NARROW RANGE LEVEL DETECTOR. AFAS WILL ACTUATE AT -170 AS READ ON THE WIDE RANGE S/G LVL DETECTOR. POINT IDSP31178 ISA WIDE RANGE LVL INDICATOR.

PWR DATA POINT LIBRARY REFERENCE FILE REV DATE: 11/04/92 PAGE  : 14 DATE: 08/15/91 REACTOR UNIT: CC2 DATA FEEDER: CC21 NRC ERDS PARAMETER: HL TEMP 1/A POINT ID: SPOI06A PLANT SPEC POINT DESC.: THOT LOOP 21 GENERIC/COND DESC.: STM GEN 21 INLET TEMPERATURE ANALOG/DIGITAL: A ENGR UNITS/DIG STATES: DEGF ENGR UNITS CONVERSION: N/A MINIMUM INSTR RANGE: 212 MAXIMUM INSTR RANGE: 705 ZERO POINT REfERENCE: N/A REFERENCE POINT NOTES: N/A PROC OR SENS: p NUMBER OF SENSORS: 2 HOW PROCESSED: AVG OF TWO CHANNELS

) SENSOR LOCATIONS: N/A ALARM/TRIP SET POINTS: N/A NI DETECTOR POWER SUPPLY CUT-OFF POWER LEV; N/A NI DETECTOR POWER SUPPLY TURN-ON POWER LEV: N/A INSTRUMENT FAILURE MODE: N/A TEMPERATURE COMPENSATION FOR DP TRANSMITTERS: N LEVEL REFERENCE-LEG. IA.

UNIQUE SYSTEM DESC.: THOT IS THE COOLANT TEMPERATURE MEASURED AT THE INLET TO THE STEAM GEN. THOT PROVIDES INPUT TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE TM/LP) CIRCUIT FOR A TOTAL POWER CALCULATION IN THE REACTOR PROTECTION SYSTEM.

PWR Data Point Library Reference File Report Date: 03-18-2003 Page:' 14 Date: 03/18/2003 Reactor Unit: CC2 Data Feeder CC21 NRC ERDS Parameter HL TEMP 1/A Point ID: SPOI06A Plant Specific Point

Description:

THOT LOOP 21 Generic / Condition

Description:

STM GEN 21 INLET TEMPERATURE Analog I Digital: A ENGR Units I Digital States: DEGF ENGR.UnIts Conyversjon:

Minimum Instrument Range: 50 Maximum Instrument Range: 700 Zero Point

Reference:

N/A Reference Point Notes N/A Proc or Soens: P Number of Sensors: 2 How Processed: AVG OF IWO CHANNELS V1A Alarm I Trip Setpolnts: 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): N/A Temperature Compensation for DP Transmitters: N.

Level Reference Leg: N/A Unique System

Description:

THOT ISTHE COOLANT TEMPERATURE MEASURED AT THE INLET TO THE STEAM GEN. THOT PROVIDES INPUT TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE (TM/LP) CIRCUff FOR A TOTAL POWER CALCULATION INTHE REACTOR PROTECTION SYSTEM.

PWR DATA POINT LIBRARY REFERENCE FiLE REV DATE: 11/04/92 PAGE  : 15 DATE: 08/15/91 REACTOR UNIT: CC2 DATA FEEDER: CC21 NRC ERDS PARAMETER: HL TEMP 2/B POINT ID: SPOI06B PLANT SPEC POINT DESC.: THOT LOOP 22 GENERIC/COND DESC.: STM GEN 22 INLET TEMPERATURE ANALOG/DIGITAL: A ENGR UNITS/DIG STATES: DEGF ENGR UNITS CONVERSION: N/A MINIMUM INSTR RANGE: 212 MAXIMUM INSTR RANGE: 705 ZERO POINT

REFERENCE:

N/A REFERENCE POINT NOTES: N/A PROC OR SENS: P NUMBER OF SENSORS: 2 HOW PROCESSED: AVG OF TWO CHANNELS SENSOR LOCATIONS: N/A ALARM/TRIP SET POINTS: N/A NI DETECTOR POWER SUPPLY CUT-OFF POWER LEV:

NI DETECTOR POWER SUPPLY TURN-ON POWER LEV:

INSTRUMENT FAILURE MODE:

TEMPERATURE COMPENSATION FOR DP TRANSMITTERS: N LEVEL REFERENCE lEL UNICUE SYSTEM DESC.: THOT IS THE COOLANT TEMPERATURE MEASURED AT THE

-INLET TO THE STEAM GEN. THOT PROVIDES INPUT TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE (TM/LP) CIRCUIT FOR A TOTAL POWER CALCULATION IN THE REACTOR PROTECTION SYSTEM.

PWR Data Point Library Reference File Report Date: 03-18-2003 Page: 15 Date: 03/18/2003 Reactor Unit-. CC2 Data Feeder CC21 NRC ERDS Parameter HL TEMP 2/B Point ID: SPOIo6B Plant Specific Point

Description:

THOT LOOP 22 Generic / Condition

Description:

STM GEN 22 INLET TEMPERATURE Analog / Digital: A ENGR Units / Digital States: DEGF ENGR Units Conversion: N/A Minimum Instrument Range: 50 Maximum Instrument Range: 700 Zero Point

Reference:

N/A Reference Point Notes N/A Proc or Sens: P Number of Sensors: 2 How Processed: AVG OF TWO CHANNELS SensofrLcaltons- N/A Alarm / Trip Setpoints: N/A Ni Detector Power Supply Cut-Off Power Level: N/A Ni Detector Power Supply Tum-on Power Level: N/A Instrument Failure Mode: N/A Temperature Compensafon for DP Transmitters: N Level Reference Leg: N/A Unique System Descriphion: THOT ISTHE COOLANT TEMPERATURE MEASURED AT THE INLET TO THE STEAM GEN. THOT PROVADES INPUT TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE (TMILP) CIRCUIT FOR A TOTAL POWER CALCULATlON INTHE REACTOR PROTECTION SYSTEM.

PWR DATA POINT LIBRARY REFERENCE FILE REV DATE: 11/04/92 PAGE  : 16 DATE: 08/15/91 REACTOR UNIT: CC2 DATA FEEDER: CC21 NRC ERDS PARAMETER: CL TEMP 1/A POINT ID: SP3113A PLANT SPEC POINT DESC.: TCOLD LOOP 21 GENERIC/COND DESC.: STM GEN 21 OUTLET TEMPERATURE ANALOG/DIGITAL: A ENGR UNITS/DIG STATES: DEGF ENGR UNITS CONVERSION: N/A MINIMUM INSTR RANGE: 212 HAXIMUM INSTR RANGE: 705 ZERO POINT

REFERENCE:

N/A REFERENCE POINT NOTES: N/A PROC OR SENS: P NUMBER OF SENSORS: 3 HOW PROCESSED: AVG OF TWO CHNLS AUCTIONEERED:WR OR NR)

SENSOR LOCATIONS: N/A ALARM/TRIP SET POINTS: X >= 560 X <= 504 NI DETECTOR POWER SUPPLY CUT-OFF-POWER LEV: N/A NI DETECTOR POWER SUPPLY TURN-ON POWER LEV: N/A INSTRUMENT FAILURE MODE: N/A TEMPERATURE COMPENSATION FOR DP TRANSMITTERS: N LEVEL-REF-ERENCE--LEG<- -U/A_-. .

UNIQUE SYSTEM DESC.: THE ALARM/TRIP SET POINTS SUPPLIED ABOVE ARE SPDS ALARM SET POINTS. TCOLD PROVIDES CONTROL ROOM AND AUX SHUTDOWN PANEL INDICATION. TCOLD ALSO SUPPLIES SIGNALS TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE (TM/LP) CIRCUIT FOR TOTAL POWER CALCULATION IN THE REACTOR PROTECTION SYSTEM. AS A DNB PARAMETER TCOLD IS REQUIRED TO BE LESS THAN 548 DEG WITH 4 REACTOR COOLANT PUMPS RUNNING.

PWR Data Point Library Reference File Report Date: 03-18-2003 Page: 16 Date: 03/18/2003 Reactor Unit: CC2 Data Feeder: CC21 NRC ERDS Parameter: CL TEMP 1/A Polnt ID: SP311 3A Plant Specific Point Descripton TCOLD LOOP 21 Generic / Condition Descriptlo an: STM GEN 21 OUTLET TEMPERATURE Analog / Digital: A ENGR Units / Digital States: DEGF ENGR Units Conversion: NI/A Minimum Instrument Range: 50 Maximum Instrument Range: 700 Zero Point

Reference:

N/A Reference Polnt Notes N/A.

Proc or Sens: p Number of Sensors: 3 How Processed: AVG OF WO CHNLS (AUCTIONEERED:WR OR NR)

Sensor Locahions N/A Alarm / Trip Setpolnts: X>=560 X<=504 NI Detector Power Supply Cut-Off Power Level: N/A NI Detector Power Supply Tum-on Power Level: N/A Instrument Failure Mode: N/A Temperature Compensation for DP Transmitters: N Level Reference Leg: N/A Unlquejystem Description. THE ALARM/TRIP SET POINTS SUPPUED ABOVE ARE SPDS ALARM SET POINTS.

TCOLD PROVIDES CONTROL ROOM AND AUX SHUTDOWN PANEL INDICAION. TCOLD ALSO SUPPLIES SIGNALS TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE (TM/U') CIRCUIT FOR TOTAL POWER CALCULAlON INTHE REACTOR PROTECTION SYSTEM. AS A DNB PARAMETER TCOLD ISREQUIRED TO BE LESS THAN 548 DEG VTH 4 REACTOR COOLANT PUMPS RUNNING.

PWR DATA POINT LIBRARY REFERENCE FILE REV DATE: 11/04/92 PAGE  : 17 DATE: 08/15/91 REACTOR UNIT: CC2 DATA FEEDER: CC21 NRC ERDS PARAMETER: CL TEMP 2/B POINT ID: SP3113B PLANT SPEC POINT DESC.: TCOLD LOOP 22 GENERIC/COND DESC.: STM GEN 22 OUTLET TEMPERATURE ANALOG/DIGITAL: A ENGR UNITS/DIG STATES: DEGF ENGR UNITS CONVERSION: N/A MINIMUM INSTR RANGE: 212 MAXIMUM INSTR RANGE: 705 ZERO POINT

REFERENCE:

N/A REFERENCE POINT NOTES: N/A PROC OR SENS: p NUMBER OF SENSORS: 3 HOW PROCESSED: AVG OF TWO CHNLS (AUCTIONEERED:WR OR NR)

SENSOR LOCATIONS: N/A ALARM/TRIP SET POINTS: X >= 560 X <= 504 NI DETECTOR POWER SUPPLY CUT-OFF POWER LEV: N/A NI DETECTOR POWER SUPPLY TURN-ON POWER LEV: N/A INSTRUMENT FAILURE MODE: N/A TEMPERATURE COMPENSATION FOR DP TRANSMITTERS: N

-LEVEL-REFERENCE-LEG4-- -flA- - ...

UNIQUE SYSTEM DESC.: THE ALARM/TRIP SET POINTS SUPPLIED ABOVE ARE SPDS ALARM SET POINTS. TCOLD PROVIDES CONTROL ROOM AND AUX SHUTDOWN PANEL INDICATION. TCOLD ALSO SUPPLIES SIGNALS TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE (TM/LP) CIRCUIT FOR TOTAL POWER CALCULATION IN THE REACTOR PROTECTION SYSTEM. AS A DNB PARAMETER TCOLD IS REQUIRED TO BE

-LESS-THAN-548-DEG-WI-TH-4-REACTOR-COOL-ART-PUMPS- - -

RUNNIAG.

. t . r 4,

PWR Data Point Library Reference File Report Dote: 03-18-2003 Page: 17 Date: 03/18/2003 Reactor Unit CC2 Data Feeder: CC21 NRC ERDS Parameler: CL TEMP 2/B Point ID: SP31 13B Plant Specific Point Descripffon: TCOLD LOOP 22 Generic / Condition

Description:

STM GEN 22 OUTLET TEMPERATURE Analog / Digital: A ENGR Units / Digital States: DEGF ENGR Jits CQnverslon:

Mlnimum Instrument Range: 50 Maximum Instrument Range: 700 Zero Point

Reference:

N/A Reference Point Notes N/A Proc or Sens: p Number of Sensors: 3 How Processed: AVG OF TWO CHNLS (AUCTIONEERED:WR OR NR)

• N7A Alarm / Trip Setpoints: X >= 560 X < 604 NI Detector Power Supply Cut-Off Power Level: N/A NI Detector Power Supply Tum-oh Power Level: N/A Instrument Failure Mode: N/A Temperature Compensation for DP Transmitters: N Level Reference Leg: N/A Uniaue System

Description:

THE ALARM/TRIP SET POINTS SUPPUED ABOVE ARE SPDS ALARM SET POINTS.

TCOLD PROVIDESCONTROL ROOM AND AUX SHUDOWN PANEL INDICATION. TCOLD ALSO SUPPUES SIGNALS TO THE SUBCOOLED MARGIN MONITOR AND THE THERMAL MARGIN/LOW PRESSURE (TMILP) CIRCUIT FOR TOTAL POWER CALCULATION INTHE AEACTOR PROTECTION SYSTEM. AS A DNB PARAMETER TCOLD ISREQUIRED TO BE LESS THAN 548 DEG WITH 4 REACTOR COOLANT PUMPS RUNNING.