ML20071N105
| ML20071N105 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 07/23/1982 |
| From: | William Jones OMAHA PUBLIC POWER DISTRICT |
| To: | Seidle W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| LIC-82-265, NUDOCS 8209270333 | |
| Download: ML20071N105 (15) | |
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Omaha Public Power District isas namnsv e cuana, asenaena estos e veternome ese aooo anea coor 4ogf, July 23, 1982 LIC-82-265 Mr. W. C. Seidle, Chief Reactor Project Branch 2 U. S. Nuclear Regulatory Comission Region IV 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011
Reference:
Docket No. 50-285
Dear Mr. Seidle:
Detailed Emergency Exercise Scenario As requested by your letter dated January 14, 1982, please find attached the detailed scenario for the Fort Calhoun Station emergency exercise to be conducted in September,19N.
- Sincyely, f qt4 /
W.
Jones Divi sfon Manager Prodyction Operaticns Attachment cc: LeBoeuf, Lamb, Leiby & MacRae 1333 New Hampshire Avenue, N.W.
Washington, D.C.
20036 Mr. Brian K. Grimes, Director Division of Emergency Preparedness Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D.C.
20555 15 0209270333 B20723 PDR ADOCK 05000285 F
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Fort Calhoun Station Unit No.1 1982 Emergency Exercise Detailed Scenario Initial Conditions:
1.
Operation at 100%(1500 MWth)for240 Effective Full Power Days.
2.
Presently at 100%
3.
161Kv offsite AC power feedline is out of service and is projected to be out of service until approx-imately noon.
4.
Equipment Status:
HPSI pump SI-2C, out for service Charging pump CH-1A, out for service Auxiliary Building Ventilation Fans running-3 exhaust 2 supply 5.
Weather Conditions: Wind Speed = 2 mph Wind Direction = 3000 10 meter Temp. = 130C (550F) l I
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Fort Calhoun Station Unit No. I 1982 EMERGENCY EXERCISE Detailed Scenario prox.
ime EVENT DESCRIPTION ANTICIPATED ACTION
'r: Min) i:00 Waste Gas Header Rupture in the gas com-i pressor room.
Control Room Operator Cue Card Annunciator Alarm
' Waste Disposal System Malfunction' Notify Auxiliary Building Operator of alarm. Continue normal operational functions.
Auxiliary Building Operator Cue Card Annunciator Alarm on AI-100
' Standby Gas Decay Tank Operating' You enter Room 16 to isolate gas decay After the injured operator has reported I
tank WD-29C and route flow to tank WD-298.
the situation to the control room, the Af ter closing valve WD-160 to isolate the Rescue Squad should be summoned and tank, the line ruptures downstream (tank someone sent to assist the injured op-side) of check valve WD-161. Shrapnel
- erator, from the ruptured line strikes you on the front of your right shoulder, cutting you These actions will demonstrate objective and knocking you down.
You fall and strike number 20.
your head and are disoriented for approxi-mately 2 minutes. You make your way out of the room and report the situtation to the control room. The rupture cannot be isolated.
).03 Control Room Operator Cue Card Annunciator Alarm Check radiation monitor panel.
' Main Stack Gross Rad / Iodine High Radiation' Radiation Monitor Alarm
'RM-062 Alert' RM-061 = 500 cpm 1
RM-062 = 2700 cpm RM-052 = 1200 cpm RM-060 = 140 cpm RM-078 = 2 mr/hr RM-076 = 1 mr/hr 0.06 Control Room Operator Cue Card Radiation Monitor Alann Declare a Notification of Unusual Event Emergency per EPIP-0SC-1, Item
'RM-062 High' IV.1.b.1). Activate the Emergency Plan per EPIP-0SC-2.
Respond to the
'RM-078 Alert' Unusual Event classification per EPIP-0SC-3.
RM-061 = 1100 cpm RM-062 = 3000 cpm RM-052 = 1500 cpm RM-060 = 200 cpm RM-078 = 4 mr/hr RM-076 = 2 mr/hr Annunciator Alarm Respond per EP-ll, High Radioactivity.
' Ventilation Isolation Conunand' Special Control Room Operator Cue Card If an operator attempts to shutdown the ventilation exhaust fans, the indicator lights will show that fans VA-40A and VA-408 have stopped.
Operation of the switch for VA-40C will not give a Green light. The ammeter fo,- VA-40C will indicate that the fan is running.
This sequence will demonstrate object-ive numbers 1, 2, and 9.
- 0.12 Control Room Operator Cue Card Radiation Monitor Alanns if the ventil-Initial Dose Assessment per EPIP-OSC-Il ation system exhaust fans are running.
should begin in the OSC.
Assessment of the impact of venting the Auxiliary
'RM-060 Alert' Building to the atmosphere in an au-thorized controlled manner should also
'RM-061 Alert' begin.
The necessity of repairing the damaged vent header should be assessed.
(
'RM-052 Alert' These actions will demonstrate objec-
'RM-076 Alert' tives numbered 11, 12 and 13.
RM-052 = 8600 cpm Any initiation of vent header repair will demonstrate objective number 6.
RM-060 = 275 cpm RM-062 = 12,000 cpm RM-061 = 2300 cpm t
i RM-078 = 5 mr/hr 1
RM-076 = 3 mr/hr l
s 1: 30 Control Room Operator Cue Card No change in Primary System Parameters.
l TiiOT and TCOLD are normal.
NOTE Pressurizer Level = 62%
When the Auxiliary Building Ventila-tion Exhaust fans have been shutdown, VCT Level = 92%
the stack monitor readings will de-l crease to background over a period RM-076 thru RM-079 = 6 mr/hr of an hour.
RM-080 = 0.5 mr/hr l
RM-081 = 1.0 mr/hr 1
RM-082 = 1.5 mr/hr
{
RM-083 = 0.2 mr/hr RM-084 = 1-0 mr/hr l
RM-085 thru RM-089 = normal back-ground RM-070 thru RM-075 = nonnal back-ground RM-091A/B = nonnal background
- 00 Control Room Operator Cue Card No change in Primary System Parameters.
Dose Assessment is continuing at the All levels and pressures are nonnal.
OSC per EPIP-05C-11.
ARM Readings RM-070 thru RM-075 = nonnal back-ground l
l
' RM-091A/B = n:rmal background RM-078 = 6 mr/hr RM-084 = 2 mr/hr RM-088 = 0.75 mr/hr RM-089 = 0.2 mr/hr
':30 Control Room Operator Cue Card Annunciator Alann Respond per EP-23, Reactor Coolant System High Activity, which re-
' Reactor Coolant Gansna Activity High' quires RC sampling and analysis.
Note:' RC sampling and anlaysis will require approximately 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.
Radiation Monitor Alann Declare Alert Emergency per EPIP-0SC-1, item IV.2.a.2), Respond per EPIP-05C-4.
'RR-214 PRM-1 High' Sound Nuclear Emergency Alarm to evac-
'RR-214 PRM-2 Alert' uate all non-essential personnel.
Incore detector 30 alarm then reset Response to these alarms should demon-strate objectives 1, 2, 7, 9, 11 and 13.
Area Radiation Monitor readings are stable Primary System levels temperatures and pressures are nonnal.
Stack PRMs read nonnal background.
11:36 Control Room Operator Cue Card Incore detector 26 alarm then reset 31:45 Control Room Operator Cue Card No change in RR-214 PRM-1 & 2 readings or Primary System parameters.
32:00 Control Room Operator Cue Card RR-214 PRM-1 & 2 readings are stable.
No changes in Primary System parameters.
Area Radiation lionitor (ARM) Readings:
RM-076 thru RM-079 = 4 mr/hr RM-080 thru RM-084 = 3 mr/hr RM-085 thru RM-088 = 2 mr/hr t
RM-089 a nsrwal background RM-091A/B = normal background RM-070 thru RM-075 = normal background Stack PRMs read normal background 1:30 Control Room Operator Cue Card RR-214 PRM-1 reading has gone off scale high RR-214 PRM-2 has returned to normal Initial Levels Pressurizer Level = 62%
VCT Level = 92%
ARM Readings:
RM-070 thru RM-075 = normal background RM-076 thru RM-084 = 3.5 mr/hr RM-085 thru RM-088 = 3 mr/hr RM-089 = 0.2 mr/hr RM-091A/B = normal background Stack PRMs read normal background 3:00 Control Room Operator Cue Card Pressurizer Level Indicators L-10lX/Y read 61.5%
Pressurizer Pressure Indicators P-103 X/Y read 2100 psia.
Primary System Temperatures are normal VCT Level = 91%
ARM Readings RM-070 = 151 mr/hr RM-074 = 101 mr/hr RM-091A = normal RM-078 = 3.5 mr/hr RM-084 = 3.5 mr/hr
RM-088 o 3.5 mr/hr RM-089 = 0.2 mr/hr Stack PRMs read normal background Cue Card to Chemist Chemists should notify the Control Room that RC activity is normal RC Activity is as indicated on the compu-Initiate electrical check of monitors ter printout of the isotopic analysis.
to determine the cause of the alarms.
1.06 Control Room Operator Cue Card VCT Level = 90.5%
NOTEt Pressurizer Level = 61%
If the operators request a leak rate, the following information should be Pressurizer Pressure = 2l00 psi provided: Primary System leak rate is 1.5 gpm at this time.
Letdown Flow = 36 gpm 1.18 Control Room Operator Cue Card NOTE Pressurizer Level = 60.8%
If the operators request a leak rate, the following information should be Pressurizer Pressure = 2l00 psi provided: Leak Rate at this time is 2 gpm if determination was started at VCT Level = 90%
time 3.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />.
Letdown Flow = 36 gpm Respond per EP-28, Reactor Cooling Leak RM-050/051 = 5.5 E+04 cpm /4.0E+04 cpm (Containmentposition)
RM-070/074 = 151/101 mr/hr 1:30 Control Room Operator Cue Card Observe system behavior.
Pressurizer Level = 60%
If tha operators request a leak rate, the following information should be
.'YU Pressurizer Pressure = 2099 psi provided: Leak Rate is 3.5 gpm at this time.
Primary System Temperatures are nomal VCT Level = 87.5%
Letdown Flow = 26 gpm Containment humidity is above normal ARM Readings RM-070 = 152 mr/hr
a RM-074 a 102 mr/hr RM-091A = off scale low PM-078 = 3.4 mr/hr RM-084 = 3.4 mr/hr RM-088 = 3.4 mr/hr RM-089 = 0.2 mr/hr Stack Monitors read nomal background.
Auxiliary Building Operator Cue Card Containment Sump Level Alann on AI-100 Sump Level = 21" (90%)
1:42 Control Room Operator Cue Card Observe system behavior.
Pressurizer Level = 59%
If the operators request a leak rate, the following infonnation should be Pressurizer Pressure = 2097 psia provided:
Leak Rate is 4.25 gpm at this time.
VCT Level = 83%
Containment humidity is increasing
- 34 Control Room Operator Cue Card Charging Pump CH-lC start If the operators request a Leak Rate, the following infonnation should be VCT Level = 76%
provided:
RCS Leak Rate is 6.5 gpm at this time.
Letdown Flow = 26 gpm Pressurizer Pressure = 2095 psi
- 00 Control Room Operator Cue Card Respond to fire alarm per EP-10.
Fire Alarm in Service Building If the operators request a leak rate, the following information should be p
Pressurizer Level = 61% and rising provided:
RCS Leak Rate is 7.5 gpm l
at this time.
Primary System Temperatures are normal VCT Level = 66%
Cue Card for Operator Investigating Alarm Letdown Flow = 36 gpm 011 Fire in area of Auxiliary Boiler.
Pressurizer Pressure = 2100 psi Activate Fire Brigade RM-050/051 = 9.0E+04 cpm /4.4E+04 cpm Actions in response to the fire alann will demonstrate objective number 3.
l RM-070/074 = 325 mr/hr/150 mr/hr 1
f 4:15 Control Room Operator Cue Card If the operators request a leak rate, the following information should be Charging Pump CH-lc auto start provided: RCS Leak Rate is 12 gpm at this time.
Pressurizer Level = 58%
Pressurizer Pressure = 2095 psi RM-050/051 = 9.5E+04/4.9E+04 cpm VCT Level = 60%
RM-070/074 = 500/200 mr/hr i
- 21 Control Room Operator Cue Card
'VCT Low Level Alarm' Make up to VCT from Concentrated Boric
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CH-llA Level = 86%
Pressurizer Level = 61.5%
Pressurizer Pressure = 2100 psi VCT Level = 49%
- 4
- 30 Control Room Operator Cue Card If the operators request a leak rate, the following information should be provided:
Pressurizer Level = 58%
RCS Leak Rate is 25 gpm at this time.
Pressurizer Pressure = 2093 psi Stop VCT makeup after VCT Level exceeds Primary Systems Temperatures are normal 90%.
VCT Level o 90%
CH-llA = 65%
RM-050/051 9.7E+04/4.8E+04 cpm Charging Pump CH-lC auto start RM-070/074 = 500/200 mr/hr 4:45 Control Room Operator Cue Card If the operators request a leak rate, the following information should be provided:
Pressurizer Pressure = 2085 psi RCS Leak Rate is 33 gpm at this time.
Pressurizer Level per L-10lX/Y = 60%
and rising slowly.
VCT Level = 54% and dropping fast CH-llA Level is decreasing
1 Cue Card to the Fire Brigade leader Fire near Auxiliary Boiler has been extin-Initiate clean up of the area of the fire.
quished.
14:48 Control Room Operator Cue Card Check: 1) VCT Level and boric acid batching system.
Annunciator Alarm
'VCT Level Hi-Lo' Make up to VCT from CH-llA.
VCT Level = 51.7%
If the operators request a leak rate, the following information should be provided:
CH-llA Level = 65%
RCS Leak Rate is 40 gpm at this time.
Pressurizer Level is steady at 61%.
Declare Site Area Emergency per EPIP-OSC-1, Item IV.3.a..
Respond per EPIP-OSC-5.
Dose Assessment per EPIP-E0F-6 should begin if not in progress.
i5:00 Control Room Operator Cue Card If an operator asks for a leak rate, pro-vide the following information: RCS Leak Annunciator Alarm: 'TM/ Low Pressure Channel Rate is 55 gpm at this time.
Pretrip.'
Early Warning System sounded.
Primary System Temperatures are nonnal Pressurizer Pressure = 1984 psi If VCT make up has been initiated, the VCT level equals 65%.
If VCT make up Pressurizer Level = 54.5%
has not been initiated, the VCT level equals 30% and is decreasing rapidly at RM-050/051 = 1.5E+05/7.5E+04 cpm 2.5% per minute.
RM-070/074 = 1000/450 mr/hr CH-llA Level = 40% if making up to VCT Wind speed change from 2.0 mph to CH-ilA Level = 65% if not making up to VCT 6.5 mph.
Response to these actions will demonstrate objectives numbered 1, 2, 4, 5, 9, 10, 11, 12, 13, 14 and 18.
- 09 Control Room Operator Cue Card Annunciator Alann
'TM/ Low Pressure Channel Trip' Respond per EP-1 and find:
' Pressurizer Safety Injection Signal
- 1) All CEA's are on the bottom Lo-Lo Press'
- 2) Turbine isolation valves closed
- 3) Generator breakers are open
' Reactor Trip' Check: 1) Pressurizer pressure and
' Safety Injection Command' level, 2) SI pumps start, 3) Diesel Generators start and come up to speed.
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'Turbina Trip' If an op;rator asks, Transfonn:r T-1 is available to backfeed offsite power.
' Diesel Auto Start Demand' Pressurizer Pressure = 1585 psi Activate the Media Release Center and Pressurizer Level = 38%
Primary System Temperatures are slowly decreasing SI Pumps running This action will demonstrate objective numbers 15 and 16.
Diesels are at speed and synchronized VCT Level = 25% if make up not in progress 60% if make up it in progress
- 30 Control Room Operator Cue Card Pressurizer Level and Pressure drop from Large LOCA is indicated.
35% and 1495 psi to 0% and 100 psi in a period of 17 seconds.
Respond per EP-5.
Containment Pressure increase from 1 psig to 48 psig in a period of 20 seconds.
' Containment Pressure High Signal' Containment Spray Command Containment ARM's:
RM-070/074 = 1.0E+04/5.0E+03 mr/hr RM-091A/B = off scale low RM-050/051 High Alanns RM-050/051 = 1.0E+06/6.0E+05 cpm RM-078 = 3.1 mr/hr RM-084 = 3.1 mr/hr RM-088 = 3.1 mr/hr RM-061/062 = 100/50 cpm Containment Sump Level = 100%
Containment Sump Pumps are running.
45 Control Room Operator Cue Card Special Contingency Cue Card for the Control Room Operator SIRWT Level = 60%
If the operator is backfeeding through
m T-1, initiate tha following sequence RCS Pressure = 25 psia with a cue card:
Pressurizer Level = 0%
- 1) Breakers 3451-4/5 Tripped RM-070/074 = 2.2E+05/9.3E+04 mr/hr
- 2) Transformer T-1 winding temp, high RM-050/051 = >106 cpm (off scale)
- 3) Transfonner T-1011 Level Lo Oil RM-091A/B = 90 R/hr
- 4) Transfonner T-1 Cooler Failure RM-061/062 = 100/50 cpm Containment Pressure = 17 psig
- 15 Control Room Operator Cue Card Diesel #2 Annunciator Alarm
' Diesel Trouble' Declare General Emergency per EPIP-05C-1, Item IV.4.a. b, and c.
Respond per Annunciator Alann EPIP-0SC-6
'4160V Bus lA4 Low Voltage' Issue news release regarding escalation of the emergency class to General
' Recirculation Actuation Signal' Emergency.
RM-050/051 = >106 cpm (off scale)
RM-070/074 = 1.0E+06/5.0E+05 mr/hr These actions will demonstrate objective numbers 1, 9, 10, 11, 13, 14, 15 and 16.
RM-091A/B = 4.9E+2 R/hr RM-061/062 = 100/50 cpm Containment Pressure = 15 psig
- 30 Control Room Operator Cue Card 0
Primary System Temperature = 350 F Offsite Radiological Monitoring is in progress Primary System Pressure = 24 psia The Primary System is stable and Long Containment Pressure = 14 psig Term Core Cooling Procedures are being Containment Sump Level = 100%
Dose Assessment projections are in pro-Containment Sump Post Accident Level = 245" gress to reflect current conditions inside on LIC-384 containment.
RM-050/051 = off scale high Protective Actions for the general public will be reconsnended based upon Dose Assess-RM-070/074 = 5.0E+06 mr/hr ment projections.
RM-091 A/B = 5.0E+03 R/hr These actions will demonstrate objective numbers 4, 5, 10, 11, 12, 14, 16 and 18.
RM-061/062 = 100/50 cpm
m
- 00 Control Room Operator Cun Cag Primary System Pressure = 24 psia
- 1 Nebraska Aircraft Radiological Survey start.
Primary System Temperature = 3200F Containment Pressure = 12 psig RM-050/051 = off scale high RM-070/074 = 7.5E+06 mr/hr RM-091A/B = 7.4E+03 R/hr RM-061/062 = 100/50 cpm 0
Wind direction change from 3000 to 320 g
- 30 Control Room Operatcr Cue Card 0
RCS Temperature equals 300 F.
Containment Pressure = 10 psig Radiological Monitoring is continuing.
RCS Pressure = 24 psia Recovery Organization assessment and RM-050/051 = off scale high 7
RM-070/074 = >10 mr/hr (off scale)
These actions are a continuing demonstra-tion of objective numbers 5, 9, 10, 11, RM-091A/B = 1.0E+04 R/hr 12, 13 and 18.
RM-061/062 = 100/50 cpm
- 20 Control Room Operator Cue Card 0
RCS Temperature = 280 F Shutdown Cooling System is on line.
RCS Pressure = 22 psia Containment Pressure = 5 psig RM-070/074 = 1.0E+07 mr/hr RM-091A/B = 9.5E+03 R/mr RM-050/051 = off scale high RM-061/062 = 100/50 cpm
- .50 Control Room Operator Cue Card 0
RCS Temperature = 260 F Notify E0F that release conditions have been terminated.
RCS Pressure = 20 psia
Containment Pressure = 0 psig RM-050/051 = off scale high RM-070/074 = 1.0E+07 mr/hr Recovery Organization activities con-tinue to demonstrate objective numbers RM-091A/B = 9.5E+03 R/hr 6, 9, 10, 11, 12 and 13.
RM-061/062 = 100/50 cpm i:00 Control Room Operator Cue Card RCS Temperature - 240 F Containment Pressure = 0 psig.
Recovery Organization Activities con-tinue.
RCS Pressure = 15 psia Issue news release regarding " emergency" RM-050/051 = off scale high status change.
RM-070/074 = 9.8E+06 mr/hr Radiological Monitoring Activities con-tinue.
RM-091A/B = 9.4E+03 R/hr These actions will demonstrate objective RM-061/062 = 100/50 cpm numbers 6, 13, 18 and 19.
Recovery Manager Cue Card De-escalate to Site Area Emergency if the situation warrants this action.
h 30 Control Room Operator Cue Card Primary System is stable and cooling down.
- 2 Aircraft Radiological Survey start.
):00 Control Room Operator Cue Card Primary System is stable and cooling down.
Results of #2 aircraft survey and ground surveys indicate radiation readings have i
returned to normal in the EPZ.
Recovery Manager Cue Card Terminate the exercise when all objec-Issue news release regarding termination tives have been met, of the " emergency".
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