L-MT-06-040, Emergency Response Data System (ERDS) - Revision to Previously Submitted Data Point Library Information

Emergency Response Data System (ERDS) - Revision to Previously Submitted Data Point Library Information

ML061500030
Person / Time
Site:	Monticello
Issue date:	05/25/2006
From:	Conway J Nuclear Management Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
L-MT-06-040
Download: ML061500030 (69)

Text

NMcC Committed to Nuclear ExLeleece Monticello Nuclear Generating Plant Operated by Nuclear Management Company, LLC May 25, 2006 L-MT-06-040 10 CFR 50, Appendix E Section VI U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 Monticello Nuclear Generating Plant Docket 50-263 License No. DPR-22 Emergency Response Data System (ERDS) - Revision to Previously Submitted Data Point Library Information Nuclear Management Company, LLC (NMC) is submitting a revised Data Point Library software specification for the Monticello Nuclear Generating Plant (MNGP). The following is the summary of the changes:

1. Include six extra APRM computer points (NUI196, NUI197, NUI198, NUI199, NUI200, and NUI201) into the ERDS Data Point Library and insert them into the category of NI POWER RNG from sheet 3 to sheet 8.

The revised ERDS software requirement specification (ERDS-SRS-1-8) is required to be reported to the USNRC within 30 days of the software change. The change was approved with an effective date of May 12, 2006.

Due to the addition of the six new data points NMC requests written confirmation on the acceptability of the proposed additions from the NRC.

This letter makes no new commitments or changes any existing commitments.

John T. Conway ()

Site Vice President, MontibeicN uclear Generating P lant Nuclear Management Company, LLC Enclosure cc: Regional Administrator, Region III, USNRC Project Manager, Monticello, USNRC Resident Inspector, Monticello, USNRC Minnesota Dept. of Commerce: w/o enclosure 2807 West County Road 75 e Monticello, Minnesota 55362-9637 Telephone: 763.295.5151 e Fax: 763.295.1454 ~ 02Sp

ENCLOSUREI MONTICELLO NUCLEAR GENERATING PLANT Process Computer System - Emergency Response Data System (ERDS) - Data Point Library 67 pages follow

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 1 LIST OF PAGES SHEET DESCRIPTION REVISION and DATE 1 LIST OF PAGES Revision 8, 5/12/06 2 NI POWER RANGE Revision 8, 5/12106 9 NI INTER RANGE Revision 8, 5/12/06 10 NI SOURC RNG Revision 8, 5/12/06 11 REAC VES LEV Revision 8, 5/12/06 12 RCS PRESSURE Revision 8, 5112/06 13 MAIN FD FLOW Revision 8, 5/12/06 15 HPCI FLOW Revision 8, 5/12/06 16 RCIC FLOW Revision 8, 5/12/06 17 LPCI FLOW Revision 8, 5/12/06 21 CR SPRAY FL Revision 8, 5/12/06 23 DW ED SMP LV Revision 8, 5/12/06 24 DW FD SMP LV Revision 8, 5/12/06 25 EFF GAS RAD Revision 8, 5/12/06 26 EFF GAS RAD Revision 8, 5/12/06 29 EFF LIQ RAD Revision 8, 5/12/06 35 COND NE RAD Revision 8, 5/12/06 37 DW RAD Revision 8, 5112106 39 MN STEAM RAD Revision 8, 5/12/06 40 DW PRESS Revision 8, 5/12/06 41 DWTEMP Revision 8, 5/12/06 42 SPTEMP Revision 8, 5/12/06 43 SP LEVEL Revision 8, 5/12/06 44 H2 CONC Revision 8, 5/12/06 46 02 CONC Revision 8, 5/12/06 48 CST LEVEL Revision 8, 5/12/06 49 CST LEVEL Revision 8, 5/12/06 50 WIND SPEED Revision 8, 5/12/06 54 WIND DIR Revision 8, 5/12/06 58 STAB CLASS Revision 8, 5/12/06 62 Contacts Revision 8, 5/12/06 63 Contacts Revision 8, 5/12/06 65 Data Feeder Information Revision 8, 5/12/06

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 2 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: NI POWER RNG Point ID: C51C4001 Plant Spec Point Desc.: AVERAGE CONSISTENT APRM READING Generic/Cond Desc.: NUCLEAR INSTRUMENTS, POWER RANGE Analog/Digital A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 125 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 12 How Processed: AVERAGE OF CONSISTENT APRMS Sensor Location: APRM UTILIZE 24 LPRMS LOCATED IN CORE Alarm/Trip Set Points: HI-HI TRIP=(.58W+62%),W=%RECIRC FLOW NI Detector Power Supply Cut-off Power Level:

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

Instrument Failure Mode: DOWNSCALE(3%), INOP,BYPASS Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: This point consists of either an average of all consistent APRMs or an average of in-range APRMs if there are less than the required number of consistent signals.

APRMS(Average Power Range Monitors) consist of an average of 24 LPRMs (Local Power Range Monitors). Each individual APRM signal will fail on Downscale(3%), Inop, or Bypass. HI-HI trip feed RPS SCRAM for one-out-of-three-twice logic. HI trip (.58W+50%) results in Rod Withdraw Block.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I ;

System (ERDS) - Data Point Library Sheet No: 3 DATA POINT LIBRARY REFERENCE FILE Date: 05/11/06 Reactor Unit: MO1 Data Feeder: PCs NRC ERDS Parameter: ýNI POWER RNG Point ID: NU1196 Plant Spec Point Desc.: APRM #1 Generic/Cond Desc.: NUCLEAR INSTRUMENTS, POWER RANGE Analog/Digital A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 125 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or.SENS: S Number of Sensors: 24 How Processed: AVERAGE OF 24 LPRMs Sensor Location: APRM UTILIZE 24 LPRMs LOCATED IN CORE Alarm/Trip Set Points: HI-HI TRIP=(.58W+62%),W=%RECIRC FLOW NI Detector-Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: The APRM provides overall power range monitoring, the range monitored is from approximately 3 to 100% power. The reading of APRM is the average of 24 LPRM signals and provides output signal that are proportional to average neutron flux. The output signal is recorded on reactor control console recorder and indicated on the APRM Panel indicator. Trip circuit associated with APRM channel provides trip output signals to the RMCS rod withdrawal block circuits and the RPS scram circuitry.

Northern States Power Company Monticello Nuclear Generatina Plant ~nflware Reniirement ~nedfr~tinn

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 4 DATA POINT LIBRARY REFERENCE FILE Date: 05/11/06 Reactor Unit: MO1

'Data Feeder: PCS NRC ERDS Parameter: NI POWER RNG Point ID: NU1197 Plant Spec Point Desc.: APRM#4 Generic/Cond Desc.: NUCLEAR INSTRUMENTS, POWER RANGE Analog/Digital A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0-Maximum.Instr Range: 125 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 24 How Processed: AVERAGE OF 24 LPRMs Sensor Location: APRM UTILIZE 24 LPRMs LOCATED IN CORE.

Alarm/Trip Set Points: HI-HI TRIP=(.58W+62%),W=%RECIRC FLOW NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: The APRM provides overall power range monitoring, the range monitored is from approximately 3 to 100% power. The reading of APRM is the average of 24 LPRM signals and provides output signal that are proportional to average neutron flux. The output signal is-recorded on reactor control console

-recorder and indicated on the APRM Panel indicator. Trip circuit associated with APRM channel provides trip output signals to the RMCS rod withdrawal block circuits and the RPS scram circuitry.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reouirement Soecification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet NO: 5 DATA POINT LIBRARY REFERENCE FILE Date: 05/11/06 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: NI POWER RNG Point ID: NU1198 Plant Spec Point Desc.: APRM #2 Generic/Cond .Desc.:- NUCLEAR INSTRUMENTS, POWER RANGE Analog/Digital A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 125 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 24 How Processed: AVERAGE OF 24 LPRMs Sensor Location: APRM UTILIZE 24LPRMs LOCATED INCORE Alarm/Trip Set Points: HI-HI TRIP=(.58W+62%),W=%RECIRC FLOW NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure* Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A.

Unique System Desc.: The APRM. provides overall power range monitoring, the range monitored is.from approximately 3 to 100% power. The reading of APRM is the average of 24 LPRM signals and provides output signal that are proportional to average neutron flux. The output signal is recorded on reactor control console recorder and indicated on the APRM Panel indicator. Trip

• circuit associated with APRM channel provides trip output signals to the RMCS rod withdrawal block circuits and the RPS scram circuitry.

Northern States Power Company Monticello Nuclear Generatina Plant Sofiwarn R~nuimm~nt SnAdfic~tinn

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 6 DATA POINT LIBRARY REFERENCE FILE Date: 05/11/06 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: NI POWER RNG Point ID: NU1199 -

Plant Spec Point Desc.: APRM #5 Generic/Cond Desc.: "NUCLEAR INSTRUMENTS, POWER RANGE Analog/Digital A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 125 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 24 How Processed: AVERAGE OF 24 LPRMs Sensor Location: APRM UTILIZE 24 LPRMs LOCATED IN CORE Alarm/Trip Set Points: HI-HI TRIP=(.58W+62%),W=%RECIRC FLOW NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument FailureMode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: The APRM provides overall power range monitoring, the range monitored is from approximately 3 to 100% power. The reading of APRM is the average of 24 LPRM signals and

provides output signal that are proportional to average neutron flux. The output signal is recorded on reactor control console recorder and indicated on the APRM Panel indicator. Trip circuit associated with. APRM channel provides trip output signals to the RMCS rod withdrawal block circuits and the RPS scram circuitry.

Northern States Power Company Mnntit~pln Ni irI*Rr (*pn*.rnfinn Plnnt ~nfi¶Aoro ~flfl, iiranont ~nanifinetinn

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Number SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 7 DATA POINT LIBRARY REFERENCE FILE Date: 05/11/06 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: NI POWER RNG Point ID: NUI200 Plant Spec Point Desc.: APRM #3 Generic/Cond Desc.: NUCLEAR INSTRUMENTS, POWER RANGE Analog/Digital - A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 125 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 24

.How Processed: AVERAGE OF 24 LPRMs Sensor Location: APRM UTILIZE 24 LPRMs LOCATED IN CORE Alarm/Trip Set Points: HI-HI TRIP=(.58W+62%),W=%RECIRC FLOW NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.:; The APRM provides overall power range monitoring, the range monitored is from approximately 3 to 100% power. The reading of APRM is the average of 24 LPRM signals and provides output signal that are proportional to average neutron flux. The output signal is recorded on reactor control console recorder and indicated on the APRM Panel indicator. Trip circuit associated with APRM channel provides-trip output signals to the RMCS rod withdrawal block circuits and the RPS scram circuitry.

Northern States Power Company Monticello Nuclear Generatina Plant Softw~rA RAduirAmAnt ~n~iflr~fion

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Number SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 8 DATA POINT LIBRARY REFERENCE FILE, Date: 05/11/06 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: NI POWER RNG Point ID: NUI201 Plant Spec Point Desc.: APRM #6 Generic/Cond Desc.: NUCLEAR INSTRUMENTS, POWER RANGE Analog/Digital A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 125 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 24 How Processed: AVERAGE OF 24 LPRMs Sensor Location: APRM UTILIZE 24 LPRMs LOCATED IN CORE Alarm/lT'p Set Points: HI-HI TRIP=(.58W+62%),W=%RECIRC FLOW NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: The APRM provides overall power range monitoring, the range monitored is from approximately 3 to 100% power. The reading of APRM is the average of 24 LPRM signals and provides output signal that are proportional to average neutron flux. The output signal is recorded on reactor control console recorder and indicated on the APRM Panel indicator. Trip circuit associated with APRM channel provides trip output signals to the RMCS rod withdrawal block circuits and the RPS scram circuitry.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 9 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: NI INTER RNG Point ID:

Plant Spec Point Desc.: (not available)

Generic/Cond Desc.: NUCLEAR INSTRUMENTS, INTERMEDIATE RANGE Analog/Digital Engr Units/Dig States:

Engr Units Conversion:

Minimum Instr Range:

Maximum Instr Range:

Zero Point

Reference:

Reference Point Notes:

PROC or SENS:

Number of Sensors:

How Processed:

Sensor Location:

Alarm/Trip Set Points:

NI Detector Power Supply Cut-off Power Level:

NI Detector Power Supply Turn-on Power Level:

Instrument Failure Mode:

Temperature Compensation For DP Transmitters:

Level Reference Leg:

Unique System Desc.: Not available to Process Computer System.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 10 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: NI SOURC RNG Point ID:

Plant Spec Point Desc.: (not available)

Generic/Cond Desc.: NUCLEAR INSTRUMENTS, SOURCE RANGE Analog/Digital Engr Units/Dig States:

Engr Units Conversion:

Minimum Instr Range:

Maximum Instr Range:

Zero Point

Reference:

Reference Point Notes:

PROC or SENS:

Number of Sensors:

How Processed:

Sensor Location:

Alarm/Trip Set Points:

NI Detector Power Supply Cut-off Power Level:

NI Detector Power Supply Turn-on Power Level:

Instrument Failure Mode:

Temperature Compensation For DP Transmitters:

Level Reference Leg:

Unique System Desc.: Not available to Process Computer System.

Northern States Power Company Monticello Nuclear Generatina Piant Software Reauirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 11 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: REAC VES LEV Point ID: B21 COO 10 Plant Spec Point Desc.: RPV VALIDATED WATER LEVEL Generic/Cond Desc.: REACTOR VESSEL WATER LEVEL Analog/Digital A Engr Units/Dig States: INCHES Engr Units Conversion: N/A Minimum Instr Range: -350 Maximum Instr Range: 350 Zero Point

Reference:

MSSKRT Reference Point Notes: 0" CORRESPONDS TO 126" ABOVE TOP OF FUEL PROC or SENS: P Number of Sensors: 28 How Processed: WEIGHTED AVERAGE OF CONSISTENT LEVELS Sensor Location: LEVEL REF LEGS - 5 HOT(IN DW) & 2 COLD Alarm/Trip Set Points: -48"=ECCS INIT, 9"=SCRAM, 48"=HI TRIP NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: +280" TOP OF REACTOR HEAD Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: WET Unique System Desc.: This point consists of either a weighted average of all consistent level indicators or an average of in-range level indicators if there are less than the required number of consistent signals. Algorithm performs temperature compensation and evaluates reference leg flashing on 7 level signals. Safeguards Levels (-50" to 50") utilize cold reference leg design outside of drywell. ECCS levels (-335" to 65") are invalidated with recirc pumps running. Other levels include 2 feedwater (0 to 60") and I vessel flood (-50" to 350").

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 12 DATA POINT LIBRARY REFERENCE FILE Date: 01/19/93 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: RCS PRESSURE Point ID: B21 C0210 Plant Spec Point Desc.: RPV VALIDATED PRESSURE Generic/Cond Desc.: REACTOR COOLANT SYSTEM PRESSURE Analog/Digital A Engr Units/Dig States: PSIG Engr Units Conversion: N/A Minimum Instr Range: 0.00 Maximum Instr Range: 1500 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 3 How Processed: WEIGHTED AVERAGE OF CONSISTENT LEVELS Sensor Location: PRESSURE SENSED OFF LEVEL REF LEGS Alarm/Trip Set Points: 1056 PSIG=SCRAM NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HI/LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: This point consists of either a weighted average of all consistent pressure indicators or an average of in-range pressure level indicators if there are less than the required number of consistent signals.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Snaecificntion

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 13 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCs NRC ERDS Parameter: MAIN FD FLOW Point ID: C51 C9001 Plant Spec Point Desc.: SMOOTHED FEEDWATER FLOW LOOP A Generic/Cond Desc.: FEEDWATER FLOW INTO THE REACTOR SYSTEM Analog/Digital A Engr Units/Dig States: MLB/HR Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 4 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 4 How Processed: SMOOTHED FW FLOW CALC FROM A NOZZLE D/P Sensor Location: FW NOZZLE IS DOWNSTREAM OF RX FW PUMPS Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HI/LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: SMOOTHED FW FLOW LOOP A is calculated using Feedwater nozzle D/P, Pressure, and temperature. Smoothing algorithm sums 1/12 current sample + 11/12 of previous smoothed value. Sampling frequency is 5 seconds. Feedwater nozzles are located downstream of Reactor Feedwater Pumps and ahead of high pressure heaters.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 14 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCs NRC ERDS Parameter: MAIN FD FLOW Point ID: C51C9002 Plant Spec Point Desc.: SMOOTHED FEEDWATER FLOW LOOP B Generic/Cond Desc.: FEEDWATER FLOW INTO THE REACTOR SYSTEM Analog/Digital A Engr Units/Dig States: MLB/HR Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 4 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 4 How Processed: SMOOTHED FW FLOW CALC FROM B NOZZLE D/P Sensor Location: FW NOZZLE IS DOWNSTREAM OF RX FW PUMPS Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HI/LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: SMOOTHED FW FLOW LOOP B is calculated using Feedwater nozzle D/P, Pressure, and temperature. Smoothing algorithm sums 1/12 current sample + 11/12 of previous smoothed value. Sampling frequency is 5 seconds. Feedwater nozzles are located downstream of Reactor Feedwater Pumps and ahead of high pressure heaters.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 15 DATA POINT LIBRARY REFERENCE FILE Date: 01/19/93 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: HPCI FLOW Point ID: HPC100 Plant Spec Point Desc.: HPCI PUMP DISCHARGE FLOW Generic/Cond Desc.: HIGH PRESSURE COOLANT INJECTION FLOW Analog/Digital A Engr Units/Dig States: GPM Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 3500 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: FLOW ELEMENT ON HPCI PUMP DISHARGE Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: HPCt is a steam turbine driven pump designed to deliver 2700 gpm over reactor pressure range of 150-1120 psig. Flow element is located on pump disharge line ahead of the test return line to the CST tanks and injection line into "B" feedwater line. HPCI injects into feedwater line prior to the line entering containment.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 16 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: RCIC FLOW Point ID: RCI100 Plant Spec Point Desc.: RCIC PUMP DISCHARGE FLOW Generic/Cond Desc.: REACTOR CORE ISOLATION COOLING Analog/Digital A Engr Units/Dig States: GPM Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 500 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: FLOW ELEMENT ON RCIC PUMP DISHARGE Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: RCIC is a steam turbine driven pump designed to deliver 400 gpm over reactor pressure range of 150-1120 psig. Flow element is located on pump disharge line ahead of the test return line to the CST tanks and injection line into "A" feedwater line. RCIC injects into feedwater line prior to the line entering containment.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 17 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: LPCI FLOW Point ID: RHR100 Plant Spec Point Desc.: CONTAINMENT SPRAY/COOLING A LOOP Generic/Cond Desc.: LOW PRESSURE COOLANT INJECTION FLOW Analog/Digital A Engr Units/Dig States: GPM Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 10000 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: DISCHARGE OF RHR HEAT EXCHANGERS Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: CONTAINMENT SPRAY/COOLING A LOOP flow is the RHR flow to the A loop drywell spray, torus spray and torus cooling.

Each RHR pump is approximately rated at 4000 gpm depending on system head. Two pumps are located in each loop although flow can be cross tied between A and B loops.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 18 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: LPCI FLOW Point ID: RHR101 Plant Spec Point Desc.: CONTAINMENT SPRAY/COOLING B LOOP Generic/Cond Desc.: LOW PRESSURE COOLANT INJECTION FLOW Analog/Digital A Engr Units/Dig States: GPM Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 10000 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: DISCHARGE OF RHR HEAT EXCHANGERS Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: CONTAINMENT SPRAY/COOLING B LOOP flow is the RHR flow to the B loop drywell spray, torus spray and torus cooling.

Each RHR pump is approximately rated at 4000 gpm depending on system head. Two pumps are located in each loop although flow can be cross tied between A and B loops.

Northern States Power Company Monticello Nuclear Generatino Plant Software Renuirement Scecification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 19 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MOl Data Feeder: PCS NRC ERDS Parameter: LPCI FLOW Point ID: RHR102 Plant Spec Point Desc.: RHR LOOP A INJECT FLOW Generic/Cond Desc.: LOW PRESSURE COOLANT INJECTION FLOW Analog/Digital A Engr Units/Dig States: GPM Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 10000 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: DISCHARGE OF RHR HEAT EXCHANGERS Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: RHR LOOP A INJECT FLOW is the RHR flow to the A Recirc Loop, Reactor Head Cooling, Waste Surge Tank, and cross tie to B Loop. Each RHR pump is rated at about 4000 gpm depending on system head. Two pumps are located in each loop although flow can be cross tied between A and B loops.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 20 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: LPCI FLOW Point ID: RHRI03 Plant Spec Point Desc.: RHR LOOP B INJECT FLOW Generic/Cond Desc.: LOW PRESSURE COOLANT INJECTION FLOW Analog/Digital A Engr Units/Dig States: GPM Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 10000 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: DISCHARGE OF RHR HEAT EXCHANGERS Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters: N/A Level Reference Leg: N/A Unique System Desc.: RHR LOOP B INJECT FLOW is the RHR flow to the B Recirc Loop and cross tie to A Loop. Each RHR pump is rated at about 4000 gpm depending on system head. Two pumps are located in each loop although flow can be cross tied between A and B loops.

Northern States Power Company Monticello Nuclear Generatinq Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 21 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: CR SPRAY FL Point ID: CSP100 Plant Spec Point Desc.: CS LOOP 11 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 Maximum Instr Range: 5000 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: ON PUMP DISCHARGE LINE Alarm/Trip Set Points:

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

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: The loop A Core Spray system consists of one electric driven pump designed to deliver 3020 gpm against a system head corresponding to a reactor pressure of 130psi above containment pressure. The flow element is located on the pump discharge line just a head of the reactor vessel injection and test return lines.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 22 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: CR SPRAY FL Point ID: CSP101 Plant Spec Point Desc.: CS LOOP 12 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 Maximum Instr Range: 5000 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors:

How Processed: SIGNAL INPUT FROM FLOW TRANSMITTER Sensor Location: ON PUMP DISCHARGE LINE Alarm/Trip Set Points:

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

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: The loop B Core Spray system consists of one electric driven pump designed to deliver 3020 gpm against a system head corresponding to a reactor pressure of 130psi above containment pressure. The flow element is located on the pump discharge line just a head of the reactor vessel injection and test return lines,

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 23 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: DW ED SMP LV Point ID: PCTI38 Plant Spec Point Desc.: DW EQUIP DRAIN SUMP VOL Generic/Cond Desc.: DRYWELL FLOOR DRAIN SUMP LEVEL Analog/Digital A Engr Units/Dig States: GAL Engr Units Conversion: N/A Minimum Instr Range: 164 Maximum Instr Range: 565 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: I How Processed: SIGNAL INPUT FROM LEVEL TRANSMITTER Sensor Location: DIRECTLY BELOW RX VESSEL IN DRYWELL Alarm/Trip Set Points: HI=555 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: This sump collects liquid effluent from valve stem leak-offs, Rx Recirc Pump and piping maintenance drains, reactor well bulkhead and bellows drains, reactor vessel flange leakoff and Drywell Equipment Drain Sump heat exchanger drain. Two 50 GPM pumps discharge the water to the Waste Collector Tank in the Reactor building. Sump is isolated by Group II Isolation or manually from control room. Sump overflows into Drywell Floor Drain Sump at 1090 Gallons.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 24 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: DW FD SMP LV Point ID: PCT139 Plant Spec Point Desc.: DW FLOOR DRAIN SUMP VOL Generic/Cond Desc.: DRYWELL FLOOR DRAIN SUMP LEVEL Analog/Digital A Engr Units/Dig States: GAL Engr Units Conversion: N/A Minimum Instr Range: 164 Maximum Instr Range: 565 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM LEVEL TRANSMITTER Sensor Location: DIRECTLY BELOW RX VESSEL IN DRYWELL Alarm/Trip Set Points: HI=555 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: This sump collects liquid effluent from Drywell cooler drains, floor drains, control rod drive leakage and drains, closed cooling water piping drains, and piping and equipment maintenance vents. Two 50 GPM pumps discharge the water to the Floor Drain Collector Tank in the Reactor building.

Sump is isolated by Group II Isolation or manually from control room. Sump overflows into Drywell Equipment Drain Sump at 1090 Gallons.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 25 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF GAS RAD Point ID: PRM121 Plant Spec Point Desc.: STACK EFF MONITOR CH A Generic/Cond Desc.: RADIOACTIVITY OF RELEASED GASES Analog/Digital: A Engr Units/Dig States: uCI/S Engr Units Conversion: N/A Minimum Instr Range: 1 Maximum Instr Range: 10E12 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL FROM ANALOG OUTPUT OF MONITOR Sensor Location: FOUR ISOKINETIC PROBES IN OFF GAS STACK Alarm/Trip Set Points: HI=1200, HI-HI=90000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: STACK EFF MONITOR CH A is a wide range gas monitor consisting of isokinetic probe assembly, sample conditioning unit, sample detection unit, and Control Room panel. The detector assembly consists of low, mid, and high range detectors. Hi-Hi and/or INOP from both Channel A & B monitors will close valves to isolate off gas flow to the stack.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 26 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF GAS RAD Point ID: PRM122 Plant Spec Point Desc.: STACK EFF MONITOR CH B Generic/Cond Desc.: RADIOACTIVITY OF RELEASED GASES Analog/Digital: A Engr Units/Dig States: uCI/S Engr Units Conversion: N/A Minimum Instr Range: I Maximum Instr Range: 10E12 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: I How Processed: SIGNAL FROM ANALOG OUTPUT OF MONITOR Sensor Location: FOUR ISOKINETIC PROBES INOFF GAS STACK Alarm/Trip Set Points: HI=1200, HI-HI=90000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: STACK EFF MONITOR CH B is a wide range gas monitor consisting of isokinetic probe assembly, sample conditioning unit, sample detection unit, and Control Room panel. The detector assembly consists of low, mid, and high range detectors. Hi-Hi and/or INOP from both Channel A & B monitors will close valves to isolate off gas flow to the stack.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Slecification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 27 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF GAS RAD Point ID: PRM123 Plant Spec Point Desc.: RBV EFFLUENT MONITOR CH A Generic/Cond Desc.: RADIOACTIVITY OF RELEASED GASES Analog/Digital: A Engr Units/Dig States: uCI/S Engr Units Conversion: N/A Minimum Instr Range: 1 Maximum Instr Range: 10E12 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL FROM ANALOG OUTPUT OF MONITOR Sensor Location: ISOKINETIC PROBES IN EACH RX BLDG VENT Alarm/Trip Set Points: HI=400, HI-HI=4500 NI Detector Power Supply N/A Cut-off Power Level:

NI Detector Power Supply N/A Tum-on Power Level:

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Reactor Building Vent Effluent Monitor Channel A is a wide range gas monitor consisting of isokinetic probe assemblies, sample conditioning unit, sample detection unit, and Control Room panel. The detector assembly consists of low, mid, and high range detectors.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 28 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF GAS RAD Point ID: PRM124 Plant Spec Point Desc.: RBV EFFLUENT MONITOR CH B Generic/Cond Desc.: RADIOACTIVITY OF RELEASED GASES Analog/Digital: A Engr Units/Dig States: uCI/S Engr Units Conversion: N/A Minimum Instr Range: 1 Maximum Instr Range: 10E12 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL FROM ANALOG OUTPUT OF MONITOR Sensor Location: ISOKINETIC PROBES IN EACH RX BLDG VENT Alarm/Trip Set Points: HI=400, HI-HI=4500 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Reactor Building Vent Effluent Monitor Channel B is a wide range gas monitor consisting of isokinetic probe assemblies, sample conditioning unit, sample detection unit, and Control Room panel. The detector assembly consists of low, mid, and high range detectors.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 29 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCs NRC ERDS Parameter: EFF LIQ RAD Point ID: PRM 107 Plant Spec Point Desc.: SERVICE WATER EFFLUENT Generic/Cond Desc.: RADIOACTIVITY OF RELEASED LIQUIDS Analog/Digital: A Engr Units/Dig States: CPS Engr Units Conversion: uCi/MI=((PRM107 in CPS)-5)*(4.3E-7)

Minimum Instr Range: .1 Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM MONITOR Sensor Location: SAMPLES SW PRIOR TO SW LEAVING RX BLDG Alarm/Trip Set Points: HI=20; HI-HI=31400 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: DOWNSCALE & UPSCALE Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: NIA Unique System Desc.: Gamma radiation emitted by radioactive materials contained in process liquid are detected by a scintillation detector housed in shielded sampler. Sidestream sample is used from the service water line prior to leaving the Reactor Building. After leaving Reactor Building, line discharges into circ water discharge pipe. Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

I SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 30 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF LIQ RAD Point ID: PRM109 Plant Spec Point Desc.: RADWASTE EFFLUENT Generic/Cond Desc.: RADIOACTIVITY OF RELEASED LIQUIDS Analog/Digital: A Engr Units/Dig States: CPS Engr Units Conversion: uCi/MI=((PRM 109 in CPS)-7)*(2.5E-6)

Minimum Instr Range: .1 Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM MONITOR Sensor Location: SAMPLED PRIOR TO LEAVING RADWASTE BLDG Alarm/Trip Set Points: HI=70; HI-HI=10000000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: DOWNSCALE & UPSCALE, INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Gamma radiation emitted by radioactive materials contained in process liquid are detected by a scintillation detector housed in shielded sampler. Liquid is sampled prior to leaving the Radwaste Building. After leaving Radwaste Building, line discharges into discharge canal. Although Monticello has permits, Monticello maintains a policy of zero liquid radwaste releases into the river. Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 31 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF LIQ RAD Point ID: PRM110 Plant Spec Point Desc.: TB NORMAL WASTE SUMP CH A Generic/Cond Desc.: RADIOACTIVITY OF RELEASED LIQUIDS Analog/Digital: A Engr Units/Dig States: CPM Engr Units Conversion: uCi/MI=((PRM1 10 in CPM)-400)*(3.5E-9)

Minimum Instr Range: 10 Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM MONITOR Sensor Location: SAMPLED PRIOR TO LEAVING TURBINE BLDG Alarm/Trip Set Points: HI=4000; HI-HI=3780000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: DOWNSCALE & UPSCALE, INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Gamma radiation emitted by radioactive materials contained in process liquid are detected by a scintillation detectors in dry tube in sump. Sampled prior to leaving the Turbine Building.

Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generatina Plant Software Requirement SDecification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 32 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF LIQ RAD Point ID: PRM111 Plant Spec Point Desc.: TB NORMAL WASTE SUMP CH B Generic/Cond Desc.: RADIOACTIVITY OF RELEASED LIQUIDS Analog/Digital: A Engr Units/Dig States: CPM Engr Units Conversion: uCi/MI=((PRM 111 in CPM)-400)*(3.5E-9)

Minimum Instr Range: 10 Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM MONITOR Sensor Location: SAMPLED PRIOR TO LEAVING TURBINE BLDG Alarm/Trip Set Points: H 1=4000; HI-H1=3780000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: DOWNSCALE & UPSCALE, INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Gamma radiation emitted by radioactive materials contained in process liquid are detected by a scintillation detectors in dry tube in sump. Sampled prior to leaving the Turbine Building.

Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 33 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF LIQ RAD Point ID: PRM112 Plant Spec Point Desc.: DISCHARGE CANAL MONITOR A Generic/Cond Desc.: RADIOACTIVITY OF RELEASED LIQUIDS Analog/Digital: A Engr Units/Dig States: CPS Engr Units Conversion: uCi/MI=((PRM 112 in CPS)-2)*(1.4E-7)

Minimum Instr Range: .1 Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM MONITOR Sensor Location: 550FT DOWNSTREAM FROM DISCHARGE STRUCTURE Alarm/Trip Set Points: HI=40; HI-HI=93000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: DOWNSCALE & UPSCALE, INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Gamma radiation emitted by radioactive materials contained in process liquid are detected by a scintillation detectors. Sample is drawn from 4 standpipes in canal 550 feet downstream from the discharge structure. Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 34 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: EFF LIQ RAD Point ID: PRM1 13 Plant Spec Point Desc.: DISCHARGE CANAL MONITOR B Generic/Cond Desc.: RADIOACTIVITY OF RELEASED LIQUIDS Analog/Digital: A Engr Units/Dig States: CPS Engr Units Conversion: uCi/MI=((PRMI 13 in CPS)-2)*(1.4E-7)

Minimum Instr Range: .1 Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM MONITOR Sensor Location: 550FT DOWNSTREAM FROM DISCHARGE STRUCTURE Alarm/Trip Set Points: HI=40; HI-HI=93000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: DOWNSCALE & UPSCALE, INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Gamma radiation emitted by radioactive materials contained in process liquid are detected by a scintillation detectors. Sample is drawn from 4 standpipes in canal 550 feet downstream from the discharge structure. Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 35 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: CND A/E RAD Point ID: PRM118 Plant Spec Point Desc.: OFF GAS CH 1 Generic/Cond Desc.: CONDENSER AIR EJECTOR RADIOACTIVITY Analog/Digital: A Engr Units/Dig States: MR/HR Engr Units Conversion: N/A Minimum Instr Range: I Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: I How Processed: SIGNAL OUTPUT FROM MONITOR Sensor Location: SAMPLE DRAWN FROM OFF GAS LINE Alarm/Trip Set Points: HI=2500; HI-HI=200000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: LOW Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: OFF GAS CH I radiation monitor is positioned adjacent to a vertical sample chamber. A continuous sample is drawn from the off gas line downstream from the Steam Jet Air Ejectors and ahead of the Recombiner trains. The sample is monitored after a time delay of approximately 2 minutes to permit Nitrogen-16 and Oxygen-19 to decay. Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 36 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: CND AlE RAD Point ID: PRM119 Plant Spec Point Desc.: OFF GAS CH 2 Generic/Cond Desc.: CONDENSER AIR EJECTOR RADIOACTIVITY Analog/Digital: A Engr Units/Dig States: MR/HR Engr Units Conversion: N/A Minimum Instr Range: 1 Maximum Instr Range: 10E6 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL OUTPUT FROM MONITOR Sensor Location: SAMPLE DOWNSTREAM OF STEAM JET AIR EJECT Alarm/Trip Set Points: H1=2500; HI-HI=200000 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: LOW Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: OFF GAS CH 2 radiation monitor is positioned adjacent to a vertical sample chamber. A continuous sample is drawn from the off gas line downstream from the Steam Jet Air Ejectors and ahead of the Recombiner trains. The sample is monitored after a time delay of approximately 2 minutes to permit Nitrogen-1 6 and Oxygen-1 9 to decay. Alarm setpoints vary with plant operation as determined by plant chemist.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 37 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: DW RAD Point ID: PCT109 Plant Spec Point Desc.: DRYWELL RADIATION CH A Generic/Cond Desc.: RADIATION LEVEL IN THE DRYWELL Analog/Digital: A Engr Units/Dig States: R/HR Engr Units Conversion: N/A Minimum Instr Range: 1 Maximum Instr Range: 10E8 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM RADIATION MONITOR Sensor Location: DRYWELL 180 DEGREE AZIMUTH AT 944' Alarm/Trip Set Points: HI=49.999, HI-HI=35 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH SENSOR, INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Purpose is to provide estimate of core damage by measuring drywell gamma radiation fields caused by fission product leakage from the core. Each sensor is an ionization chamber with an internal U-234 source which gives 1R/HR reading for operation verification. Elevation 944' is just below bottom of reactor vessel (949').

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 38 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: DW RAD Point ID: PCT110 Plant Spec Point Desc.: DRYWELL RADIATION CH B Generic/Cond Desc.: RADIATION LEVEL IN THE DRYWELL Analog/Digital: A Engr Units/Dig States: R/HR Engr Units Conversion: N/A Minimum Instr Range: 1 Maximum Instr Range: 10E8 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL INPUT FROM RADIATION MONITOR Sensor Location: DRYWELL 0 DEGREE AZIMUTH AT 944' Alarm/Trip Set Points: HI=49.999, HI-HI=35 NI Detector Power Supply N/A Cut-off Power Level:

NI Detector Power Sply N/A Turn-on Power Level:

Instrument Failure Mode: HIGH SENSOR, INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Purpose is to provide estimate of core damage by measuring drywell gamma radiation fields caused by fission product leakage from the core. Each sensor is an ionization chamber with an internal U-234 source which gives 1RIHR reading for operation verification. Elevation 944' is just below bottom of reactor vessel (949').

Northern States Power Company Mnntir.*plln Miid~l*r (_nnrntinn Plnnt ~nftwnrA RAnIir~mAnt ~n~r4fir~tinn

Title:

Number.,

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 39 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: MN STEAM RAD Point ID:

Plant Spec Point Desc.: (not available)

Generic/Cond Desc.: RADIATION LEVEL OF THE MAIN STEAM LINE Analog/Digital:

Engr Units/Dig States:

Engr Units Conversion:

Minimum Instr Range:

Maximum Instr Range:

Zero Point

Reference:

Reference Point Notes:

PROC or SENS:

Number of Sensors:

How Processed:

Sensor Location:

Alarm/Trip Set Points:

NI Detector Power Supply Cut-off Power Level:

NI Detector Power Supply Turn-on Power Level:

Instrument Failure Mode:

Temperature Compensation For DP Transmitters:

Level Reference Leg:

Unique System Desc.: Not available to Process Computer System.

Northern States Power Company Monticello Nuclear Generating Plant Software Reouirement Soecification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 40 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: M01 Data Feeder: PCS NRC ERDS Parameter: DW PRESS Point ID: D23C0010 Plant Spec Point Desc.: VALIDATED DRYWELL PRESSURE Generic/Cond Desc.: DRYWELL PRESSURE Analog/Digital: A Engr Units/Dig States: PSIG Engr Units Conversion: N/A Minimum Instr Range: -5 Maximum Instr Range: 250 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 4 How Processed: WEIGHTED AVERAGE OF CONSISTENT DW PRESS Sensor Location: SENSING LINES FROM DRYWELL Alarm/Trip Set Points: ALARMS LOW=0.1, HIGH=1.5 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: This point consists of either a weighted average of all consistent drywell pressure or an average of in-range drywell pressures if there are less than the required number of consistent singals. Four drywell pressure signals consist of one narrow range (-2 to 3), one wide range (0 to 80) and two accident (-5 to 250) ranges. Weighted averages produces average that is weighted based on instrument accuracy.

Drywell internal design pressure is 56 PSIG at 281 Degrees F.

At 2 PSIG, RPS initiates Reactor SCRAM and Primary Containment Isolation initiates Group 2 & 3.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 41 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: DW TEMP Point ID: D23C0310 Plant Spec Point Desc.: VALIDATED DRYWELL TEMPERATURE Generic/Cond Desc.: DRYWELL TEMPERATURE Analog/Digital: A Engr Units/Dig States: DEGF Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 600 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 16 How Processed: AVERAGE OF CONSISTENT DW TEMPERAURES Sensor Location: 16 SENSORS AT 8 DRYWELL LOCATIONS Alarm/Trip Set Points: HI=150 DEGF NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: This point consists of either a weighted average bulk temperature of consistent regional temperatures or an unvalidated, non-weighted average of all in-range drywell temperatures. Regional weighting factors compensate for differences in drywell volume at the various elevations. Each location utilizes two sensors and are located in Drywell at: Elev 932' (East & West), Elev 951'(North & South), Elev 970' (East

& West), and Elev 994' (North & South).

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 42 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: SPTEMP Point ID: D23C0210 Plant Spec Point Desc.: VALIDATED TORUS TEMPERATURE Generic/Cond Desc.: SUPPRESSION POOL TEMPERATURE Analog/Digital: A Engr Units/Dig States: DEGF Engr Units Conversion: N/A Minimum Instr Range: 30 Maximum Instr Range: 240 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 16 How Processed: AVERAGE OF 2 SPOTMOS (8 SENSORS EACH)

Sensor Location: 2 SENSORS IN EACH OF 8 TORUS SRV BAYS Alarm/Trip Set Points: HIGH=90 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR, SPOTMOS INOP Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: VALIDATED TORUS TEMPERATURE is the average of the inputs from two Suppression Pool Temperature Monitoring Systems (SPOTMOS). Each system generates an average of eight sensors. Each sensor is located in one of the eight bays that Safety Relief Valves discharge into.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number.

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 43 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCs NRC ERDS Parameter: SP LEVEL Point ID: G43C0015 Plant Spec Point Desc.: VALIDATED TORUS WATER LEVEL Generic/Cond Desc.: SUPPRESSION POOL WATER LEVEL Analog/Digital: A Engr Units/Dig States: INCHES Engr Units Conversion: N/A Minimum Instr Range: -96 Maximum Instr Range: 180 Zero Point

Reference:

N/A Reference Point Notes: 0"=ELEVATION 910'= 530,000 GALLONS PROC or SENS: P Number of Sensors: 4 How Processed: WEIGHTED AVERAGE OF CONSISTENT LEVELS Sensor Location: LEVEL TAPS OFF TORUS SHELL Alarm/Trip Set Points: HIGH=2, LO=-2 NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: This point consists of either a weighted average of all consistent torus water levels or an average of in-range torus water levels if there are less than the required number of consistent signals. Four torus water level signals consist of two narrow range (-15 to 15) and two wide range (-96 to 180).

Weighted averages produce an average that is based on instrument accuracy. HPCI suction transfer occurs at 2". Tech Specs level greater than -4" and less than 2.9".

Northern States Power Company Mnntit,_lln N~~.id_*r (*_n._r~tinn Plant 5~nfi1Anr~ R~nfirnm~nt ~no,~ifp~a*i,~n

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 44 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: H2 CONC Point ID: PCT1 16 Plant Spec Point Desc.: PCTMT H2 ANALYZER A Generic/Cond Desc.: DRYWELL OR TORUS HYDROGEN CONCENTRATION Analog/Digital: A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 20 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL OUTPUT FROM H2 ANALYZER Sensor Location: SAMPLE LINES UPPER DW,TORUS,CGCS IN& OUT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR, SYSTEM OFF Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Analyzers are normally shutdown and values will usually read less than 0.75%. System is capable of analyzing samples from Drywell (elev 994'), Torus and Combustible Gas Control System inlet and outlet. Sample line and sample return valves close on Group 2 Isolation.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Snecificatioin

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 45 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: H2 CONC Point ID: PCT117 Plant Spec Point Desc.: PCTMT H2 ANALYZER B Generic/Cond Desc.: DRYWELL OR TORUS HYDROGEN CONCENTRATION Analog/Digital: A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 20 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: I How Processed: SIGNAL OUTPUT FROM H2 ANALYZER Sensor Location: SAMPLE LINES UPPER DWTORUS,CGCS IN& OUT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR, SYSTEM OFF Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Analyzers are normally shutdown and values will usually read less than 0.75%. System is capable of analyzing samples from Drywell (elev 994'), Torus and Combustible Gas Control System inlet and outlet. Sample line and sample return valves close on Group 2 Isolation.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecifiction

Title:

Number SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 46 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: 02 CONC Point ID: PCT1 18 Plant Spec Point Desc.: PCTMT 02 ANALYZER A Generic/Cond Desc.: DRYWELL OR TORUS OXYGEN CONCENTRATION Analog/Digital: A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 25 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: 1 How Processed: SIGNAL OUTPUT FROM 02 ANALYZER Sensor Location: SAMPLE LINES UPPER DW,TORUS,CGCS IN & OUT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR, SYSTEM OFF Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Analyzers are normally shutdown and values will usually read less than 0.75%. System is capable of analyzing samples from Drywell (elev 994'), Torus and Combustible Gas Control System inlet and outlet. Sample line and sample return valves close on Group 2 Isolation. Normal operation concentrations are 2.4%.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 47 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: 02 CONC Point ID: PCT119 Plant Spec Point Desc.: PCTMT 02 ANALYZER B Generic/Cond Desc.: DRYWELL OR TORUS OXYGEN CONCENTRATION Analog/Digital: A Engr Units/Dig States:

Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 25 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: I How Processed: SIGNAL OUTPUT FROM 02 ANALYZER Sensor Location: SAMPLE LINES UPPER DW,TORUS,CGCS IN & OUT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR, SYSTEM OFF Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Analyzers are normally shutdown and values will usually read less than 0.75%. System is capable of analyzing samples from Drywell (elev 994'), Torus and Combustible Gas Control System inlet and outlet. Sample line and sample return valves close on Group 2 Isolation. Normal operation concentrations are 2.4%.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number.

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 48 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: CST LEVEL Point ID: CST100 Plant Spec Point Desc.: CST TANK LEVEL A Generic/Cond Desc.: CONDENSATE STORAGE TANK LEVEL Analog/Digital: A Engr Units/Dig States: FEET Engr Units Conversion: N/A Minimum Instr Range: 5 Maximum Instr Range: 30 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors:

How Processed: SIGNAL FROM LEVEL TRANSMITTER Sensor Location: LEVEL TX ON WATER COLUMN IN RX BLDG Alarm/Trip Set Points: HI=24'(225,600gal) LO=I .5'(108,100gal)

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

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

Instrument Failure Mode: LOW Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Condensate Storage Tank (CST) Level A is the water level in the A CST. Two CSTs exist with a tank capacity of 230,000 gallons each. Makeup condensate water is provided through 3 electric pumps from the CST tanks to various plant systems.

Each tank has suction line for Control Rod Drive, HPCI, Core Spray, RHR, and RCIC systems. At 7'(65,800gal) receive CST Low-Low Level alarm and condensate service pumps trip. At 2'8"(25,100gal) HPCI and RCIC transfer to Torus suction.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 49 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: CST LEVEL Point ID: CST101 Plant Spec Point Desc.: CST TANK LEVEL B Generic/Cond Desc.: CONDENSATE STORAGE TANK LEVEL Analog/Digital: A Engr Units/Dig States: FEET Engr Units Conversion: N/A Minimum Instr Range: 5 Maximum Instr Range: 30 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: S Number of Sensors: I How Processed: SIGNAL FROM LEVEL TRANSMITTER Sensor Location: LEVEL TX ON WATER COLUMN IN RX BLDG Alarm/Trip Set Points: HI=24'(225,600gal) LO=1I 1.5'(108,1 00gal)

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

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

Instrument Failure Mode: LOW Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Condensate Storage Tank (CST) Level B is the water level in the B CST. Two CSTs exist with a tank capacity of 230,000 gallons each. Makeup condensate water is provided through 3 electric pumps from the CST tanks to various plant systems.

Each tank has suction line for Control Rod Drive, HPCI, Core Spray, RHR, and RCIC systems. At 7'(65,800gal) receive CST Low-Low Level alarm and condensate service pumps trip. At 2'8"(25,100gal) HPCI and RCIC transfer to Torus suction.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 50 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCs NRC ERDS Parameter: WIND SPEED Point ID: MET102 Plant Spec Point Desc.: PRIMARY MET TOWER 43M AVG WIND SPEED A Generic/Cond Desc.: WIND SPEED AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: MPH Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 100.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 43 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 51 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: WIND SPEED Point ID: MET103 Plant Spec Point Desc.: PRIMARY MET TOWER 43M AVG WIND SPEED B Generic/Cond Desc.: WIND SPEED AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: MPH Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 100.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 43 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

NI Detector Power Supply N/A Tum-on Power Level:

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 52 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCs NRC ERDS Parameter: WIND SPEED Point ID: MET104 Plant Spec Point Desc.: PRIMARY MET TOWER 100M AVG WIND SPEED A Generic/Cond Desc.: WIND SPEED AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: MPH Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 100.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 100 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 53 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: WIND SPEED Point ID: MET105 Plant Spec Point Desc.: PRIMARY MET TOWER 100M AVG WIND SPEED B Generic/Cond Desc.: WIND SPEED AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: MPH Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 100.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 100 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification SRS

Title:

Process Computer System - Emergency Response Data Number:

ERDS-SRS-1-8 ýI System (ERDS) - Data Point Library Sheet No: 54 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: WIND DIR Point ID: MET106 Plant Spec Point Desc.: PRIMARY MET TOWER 43M AVG WIND DIRECT A Generic/Cond Desc.: WIND DIRECTION AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGFR Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 540.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 43 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number.

SRS Process Computer System - Emergency Response Data ERDS-SRS-1 -8 System (ERDS) - Data Point Library Sheet No: 55 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: WIND DIR Point ID: MET107 Plant Spec Point Desc.: PRIMARY MET TOWER 43M AVG WIND DIRECT B Generic/Cond Desc.: WIND DIRECTION AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGFR Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 540.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 43 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 56 DATA-POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MOl Data Feeder: PCS NRC ERDS Parameter: WIND DIR Point ID: MET108 Plant Spec Point Desc.: PRIMARY MET TOWER 1OOM AVG WIND DIRECT A Generic/Cond Desc.: WIND DIRECTION AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGFR Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 540.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 100 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 57 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: WIND DIR Point ID: MET109 Plant Spec Point Desc.: PRIMARY MET TOWER 100M AVG WIND DIRECT B Generic/Cond Desc.: WIND DIRECTION AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGFR Engr Units Conversion: N/A Minimum Instr Range: 0 Maximum Instr Range: 540.00 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: P Number of Sensors: 1 How Processed: 15 MINUTE AVERAGE OF 5 SECOND VALUES Sensor Location: PRIMARY MET TOWER AT 100 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data .is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 58 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: STAB CLASS PointID: MET110 Plant Spec Point Desc.: PRIMARY MET TOWER 43M AVG DELTA TEMP A Generic/Cond Desc.: AIR STABILITY AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGF Engr Units Conversion: N/A Minimum Instr Range: -9.0 Maximum Instr Range: 9.0 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: PROC Number of Sensors: 2 How Processed: AVERAGED DIFFERENTIAL Sensor Location: PRIMARY MET AT 10 & 43 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average. This value represents the difference in temperature in degF/100ft.

Northern States Power Company Monticello Nuclear Generatina Plant Software Reauirement Soecification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 59 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: STAB CLASS PointlD: MET111 Plant Spec Point Desc.: PRIMARY MET TOWER 43M AVG DELTA TEMP B Generic/Cond Desc.: AIR STABILITY AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGF Engr Units Conversion: N/A Minimum Instr Range: -9.0 Maximum Instr Range: 9.0 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: PROC Number of Sensors: 2 How Processed: AVERAGED DIFFERENTIAL Sensor Location: PRIMARY MET AT 10 & 43 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average. This value represents the difference in temperature in degF/1 00ft.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

Title:

Number:

SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 60 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: 1 Data Feeder: S NRC ERDS Parameter: AB CLASS PointlD: MET112 Plant Spec Point Desc.: PRIMARY MET TOWER 100M AVG DELTA TEMP A Generic/Cond Desc.: AIR STABILITY AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGF Engr Units Conversion: N/A Minimum Instr Range: -9.0 Maximum Instr Range: 9.0 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: PROC Number of Sensors: 2 How Processed: AVERAGED DIFFERENTIAL Sensor Location: PRIMARY MET AT 10 & 100 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

NI Detector Power Supply N/A Tum-on Power Level:

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average. This value represents the difference in temperature in degF/100ft.

Northern States Power Company Monticello Nuclear Generatinq Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 61 DATA POINT LIBRARY REFERENCE FILE Date: 01/07/92 Reactor Unit: MO1 Data Feeder: PCS NRC ERDS Parameter: STAB CLASS PointID: MET113 Plant Spec Point Desc.: PRIMARY MET TOWER IOOM AVG DELTA TEMP B Generic/Cond Desc.: AIR STABILITY AT THE REACTOR SITE Analog/Digital: A Engr Units/Dig States: DEGF Engr Units Conversion: N/A Minimum Instr Range: -9.0 Maximum Instr Range: 9.0 Zero Point

Reference:

N/A Reference Point Notes: N/A PROC or SENS: PROC Number of Sensors: 2 How Processed: AVERAGED DIFFERENTIAL Sensor Location: PRIMARY MET AT 10 & 100 METER HEIGHT Alarm/Trip Set Points: N/A NI Detector Power Supply N/A Cut-off Power Level:

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

Instrument Failure Mode: HIGH & LOW SENSOR Temperature Compensation N/A For DP Transmitters:

Level Reference Leg: N/A Unique System Desc.: Data is collected every five seconds, averaged every 15 minutes, and stored in data files as 15-minute average. This value represents the difference in temperature in degF/100ft.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 62 I. Contacts Note: Please provide name, title, mailing address and phone number.

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

Russell E. Van Dell Manager, Computer & Information Systems Nuclear Management Company Monticello Nuclear Generating Plant 2807 West County Road 75 Monticello, MN 55362 (763) 295-1326 B. Computer Hardware Specialist(s):

Lee Lesmeister Information Technology Analyst Nuclear Management Company Monticello Nuclear Generating Plant 2807 West County Road 75 Monticello, MN 55362 (763) 295-1388 C. Systems Software Specialist(s):

Bob Awde Principal Engineer Nuclear Management Company Monticello Nuclear Generating Plant 2807 West County Road 75 Monticello, MN 55362 (763) 271-5103 D. Application-level Software Specialist(s):

Nai-Tai (Nelson) Fei Senior Engineer Nuclear Management Company Monticello Nuclear Generating Plant 2807 West County Road 75 Monticello, MN 55362 (763) 271-5180

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 63 E. Telephone Systems Specialist(s):

David Seestrom Instrument Engineer Nuclear Management Company Monticello Nuclear Generating Plant 2807 West County Road 75 Monticello, MN 55362 (763) 295-1376

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 64 I1. Selection of Data Feeders A. How many data feeders are there (six maximum)?

One - Process Computer System B. Identify the selected data feeders and provide the following for 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 rationale for selecting it if another system can also provide its categories of data points.

a) It is planned to provide both plant data points and meteorological information through the single feeder.

b) No other system is capable of providing requested information.

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

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 I System (ERDS) - Data Point Library Sheet No: 65 Ill. Data Feeder Information Note: A new Section IVmust be filled out for each feeder system selected.

General Questions A. Identification of Data Feeder

1. 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.

PCS - Process Computer System

2. Is this the site time determining feeder?

Yes

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

60 Seconds B. Hardware/Software Environment

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

Digital Equipment Corporation VAX-4000-108

2. Identify the operating system.

VAX OpenVMS V7.1

3. What method of timekeeping is implemented on this feeder system (Daylight Savings, Standard, Greenwich)?

Daylight Savings

4. In what time zone is this feeder located?

Central Standard Time Zone

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 66 C. Data Communication Details

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

Yes

2. Will this feeder transmit in ASCII or EBCDIC?

ASCII

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

Yes, 2400 bps can be used.

4. Does the operating system support XON/XOFF flow control?

Yes a) Are any problems foreseen with the NRC using XON/XOFF to control the transmission of data?

No, however the use of SUSPEND and RESUME to control the transmission of data works better as demonstrated in testing with Haliburton/NUS.

5. If it is not feasible to recontigure a serial port for the ERDS linkup (i.e., change the baud rate, parity, etc.), please explain why.

Note Applicable.

6. Do any ports currently exist for the ERDS linkup?

Yes a) If not, is it possible to add additional ports?

Not Applicable.

Northern States Power Company Monticello Nuclear Generating Plant Software Requirement Specification

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SRS Process Computer System - Emergency Response Data ERDS-SRS-1-8 System (ERDS) - Data Point Library Sheet No: 67 b) Ifyes, will the port be used solely by the ERDS or shared with other non-emergency-time users? Give details.

Port will be dedicated for ERDS.

D. Data Feeder Physical Environment and Management

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

Computer Room located in Plant Administrative Building adjacent to Plant Control Room.

2. Is the data feeder protected from loss of supply of electricity?

Yes, PCS is provided with UPS (batteries with inverter and diesel generator).

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

Yes a) Ifso, how many hours a day is the feeder attended?

It is planned to have the Shift Emergency Communicator (SEC) initiate the ERDS System per Emergency Implementing Procedures. An SEC is on duty 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s/day.