CY-97-103, Forwards Emergency Action Levels for Proposed HNP Defueled Emergency Plan,Which Will Assist NRC in Review of Encl Defueled Emergency Plan
| ML20211E213 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 09/19/1997 |
| From: | Feigenbaum T CONNECTICUT YANKEE ATOMIC POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CY-97-103, NUDOCS 9709300064 | |
| Download: ML20211E213 (6) | |
Text
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CONNECTICUT YANKEE ATOMIC POWER COMPANY HADDAM NECK PLANT 362 INJUN HOLLOW ROAD e EAST HAMPTON, CT 06424 3099 3
September 19,1997 Docket No. 50-213
]
CY-97-103 U. S. Nuclear Regulatory Commission Attention: Document Control Desk g
Washington, DC 20555 Haddam Neck Plant Submittal Of The Emergency Action Levels For The Defueled Emeraency Plan The purpose of this letter is for Connecticut Yankee Atomic Power Company (CYAPCO) to provide the Emergency Action Levels (EAL) for the proposed Haddam Neck Plant (HNP) Defueled Emergency Plan.
In a letter dated May 30,1997,W CYAPCO provided the NRC with a copy of the proposed HNP Defueled Emergency Plan.
However, at that time, work was still ongoing in the development of the EALs, This effort is now complete and is provided to assist the NRC staff in the review of the Defueled Emergency Plan (Attachment 1).
Future changes to the EALs will be revhwed against the criterion of 10CFR50.54(q).
PD DO K 05000213 I
F PDR (1)
T. C. Feigenbaum letter to the U. S. Nuclear Regulatory Commission, "Defueled Emergency Plan And Request For Exemption From 10CFR50.54(q) For Offsite Response," dated May 30,1997.
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U. S. Nucle:r R:gulatory Commission CY-97-103/Page 2 If the NRC should have any questions, please contact Mr. G. P. van Noordennen at (860) 267-3938.
Very truly yours, CONNECTICUT YANKEE ATOMIC POWER COMPANY
</m "s
T. C. Feigenbau[ '
Executive Vice President and Chief Nuclear Officer
. cc:
H. J. Miller, NRC Region i Administrator M. B. Fairtile, NRC Senior Project Manager, Haddam Neck Plant W. J. Raymond, NRC Senior Resident inspector, Haddam Neck Plant D. Galloway, Acting Director, CT DEP Monitoring and Radiation Division
Docket Nos150-213 CY-97-103 Attachment i Haddam Neck Plant Submittal Of The Emergency Action Levels For The Defueled Emergency Plan September 1997
DEPIP 1.5-1 Original
. 2.2 CONNECTICUT YANKEE DEFUELED EMERGENCY ACTION LEVELS EQUIPMENT FAILURE OFF-SITE RELEASES CLASSIFICATION OA1 OFF-SITE DOSE l
ALERT l
- 1. Wde Range Stack Gas Monitor Reading (R-148) >
CHARLIE-ONE 1E+06 t:Cvsec for > 15 minutes.
Events are in progsss or have occurred which indcate an 2_
Measured Plume Dose Rate On4ite 2 5 mR/hr for > 15 actual or potential substanttal degradation of the level of minutes.
Safety of the plant personnel or to the sa'e contan1rnent of fuelin the spent fuel pool.
3.
Radiological Assessment Detem1ines Integrated Dose at the She Boundary 2 0 005 Rem TEDE OR 2 0 025 Rem CDE Thyroid.
EU1 FUEL POOL LEVEL OU1 UNPLANNED RELEASE UNUSUAL EVENT 1.
Uncontrolled Decrease in Fuel Pool Level Indcated by a
- 1. Emuent Monitors in Alarm OR Unplanned. Unmonitored or DELTA-TWO Low Level Alarm Actuation AND Water inventory Makeup Uncontrolled Off-Site Release and DELTA-TWO Posture Methods Incapable of Restoring Level.
Code Limits as Determined from DEPIP 1.5-1, Emergency Assessment, Exceeded Note.
Emuent Monitors indcate Release Above Alarm Setpoint Continuing > 60 Minutes AND Reportability Evaluations NOT Complete.
EU2 FUEL POOL TEMPERATURE OR DELTA-ONE
- 1. Uncontrolled Heatup of the Spent Fuel Pool such that the Events are in progress or have occurred whch indcate a Bu!k Pool Temperature Exceeds 150*F.
potentraf degradation of the fevelof safety of the plant.
Page 5 of 16 NOTE: When two or more EALs apply, a! ways
'ose the EAL of the highest incident classification; a:so a!wayt read from top to bottom in each category.
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DEPIP 1.5-1 Originil 2.2 (Cont'd)
CONNECTICUT YANKEE DEFUELED EMERGENCY ACTION LEVELS IN-PLANT RADIATION SECURITY TIIREAT/
CLASSIFICATION DESTRUCTIVE PIIENOMENA umuuuuuuuuuum RA1 f-UEL BUILDING RADIATION TA1 SECURITY EVENT l
ALERT l l
1 Fuel Handling Accident Causing Damage to Spent
- 1. Intrusa into Fuel Build!ng by a Hostde Force.
CHARLIE-ONE Fuel Indcated by Fuel Building Radiatton Monitors 2.
Bomb Devce Discovered in the Fuel Build:ng.
Events ar-n profess or have occurred whch indcate Alarming and increasing.
an actual-ootential substantial degradation of the level of safety se plant personnel or to the safe containmt a of fuel in the spent fuel pool.
TA2 DESTRUCTIVE PHENOMENA
- 1. Seismic Event > 0 09g 7.PA.
- 2. On-Sde Sustained Windtoeed > 90 MPH.
3 Visible Damage to Structures or Equipment Affecting the Fuel Building's Ability to Perform its Safety Function.
RU1 RADIATION MONITORS Tut DESTPUCTIVE PHENOMENA UNUSUAL EVENT 1.
Unexpected Area Radiation Monitor Reading Offscale
- 1. Earthquake Detected per AOP 3.2-5, Natural Disasters.
DELTA-TWO Hgh OR > 1000 Times Normal Reading
- 2. Report of Tomado Striking Within the Radiation Control Area.
- 3. On-Site Sustained Windspeed>75 MPH.
- 4. Explosion Within the Radiation Control Area.
'5. Vessel or Vehicle Cottision Affecting Fuel Building DELTA-ONE Causireg Visible Damage of a Sign # cant Nature
- 6. Flooding Affecting Fuel Building Causing Visible Damage of a Significant Nature.
Events are in progress or have occurred which indcate a potentsal degradaten of the level of safety of the piant.
- -Significance determined by the Emergency Director Pag o of 16 NOTE: When two or more EALs apply, always choose the EAL of the highest incident classification; also always read from top to bottom in each category.
Y DEPIP 1.5-1 l
Original I
' 2.2 (Cont'd)
CONNECTICUT YANKEE DEFUELED EMERGENCY ACTION LEVELS FIRE / EXPLOSION / GASES JUDGEMENT CLASSIFICATION JA1 JUDGEMENT j
HA EONE
- 1. Any Condition Whch in the Judgement of the Energency Director Indcates that the Level of Safety for the Fuel Events are in progress or have occurred which indicates Building is Sign (cantty Degraded AND Which Requrres an actual or potential substantial degradation of the level Emergency Response Organization Staffing.
M Mwt de m e of fuelin the spent fuel pool.
1 GUI' FIRE JU1 JUDGEMENT UNUSUAL l
EVENT 1
Fire in the Radiation Control Area (RCA) NOT
- 1. Any Condition Whch in the Judgement of the Ernergency DELTA-TWO f
Extingurshed Within 15 Minutes of the Control Room Director Indcates Potential Degradation in the Level of Not(cation of a Fire OR Within 15 Minutes of the Fire Safety of the Plant.
Alarm Actuation in the Control Room.
GU2 TOXIC / FLAMMABLE GASES OR DELTA 4NE 1
Lrfe Threatening Toxic Gases OR Fiammable Gas Events are in progress or have occurred which indcate a Concentrations as identfied in the Connectant Yankee potential degradatson of tre level of safety of the plant.
Hazardous Waste Contingency Plan (HWM 15.1-2)
Impacting Normal Plant Activities.
2.
Notifcation of a Near-Sde Release that May Require a Retocation of On-site personnel.
Page 7 of 16 NOTE: When two or more EALs apply, always choose the EAL of the highest incident classification; also always read from top to bottorn in each category.
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