ML19224B105
| ML19224B105 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 11/15/1977 |
| From: | Metropolitan Edison Co |
| To: | Mullinix W NRC/IE |
| References | |
| 2202-1.7, TM-0035, TM-35, NUDOCS 7906140052 | |
| Download: ML19224B105 (21) | |
Text
.
TMI DOCUMENTS
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DOCUMENT NO:
COPY MADE ON 3N OF DOCUMENT PROVIDED BY I ~/
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METROPOLITAN EDISON COMPANY.
h., $h. A.)
Wilda R. Mullinix, NRC i
790614005o 186 303 O
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EP 2202-1.7 i
vU3 i Revision 2
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APR 2 3 1979 THREE MILE ISLAND NUCLEAR STATION UNIT #2 EMERGENCY PROCEDURE 2202-1.7 EXCESSIVE RADIATION LEVELS Table of Effective Pages Page Date Revision Pace Date Revision Page Date R evision 1.0 08/13/75 0
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Unit 1 Staff Recommends Approval Unit 2 Staff. Recommends Approval Approvai
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Date Approval A/
Date -
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Cognizant Dept. Head Cognizant Otpt. Head Unit 1 PORC Re ommends Approval Unit 2 PORC Recommends Approval Date ~
lYb Date //
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V ;Cha'irpn of PORC
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Chairman of PCRC Unit 1 Superintendent Approval Unit 2 Superintendent Approval k
W Date
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Manager Generation Quality Assurs,ce Approval
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Date T Mt $5 A R e. 8 / 7 7 186 304
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EP 2202-1.7 7,,
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j 08/13/75 APR 2 3 379 THREE MILE ISLAND SUCLEAP, STATION UNIT #2 PLANT EMERGENCY PROCEDURE EP 2202-1.7 EXCESSIVE RADIATION LEVELS SYMPTCMS 22.1 Symptoms of excessive or potentially excessive radiation levels are as follows:
Note that these conditions may occur under both planned and uncianned radioactive releases.
Planned releases as covered in HPP 1621 and HPP 1622 are exemnt from this crocedure.
Radiation Monitoring ~ System trouble alann on Control Room a.
annunciator on panel 1_2.
b.
Hi alarm (red indicator light) from any radiation monitor located on Control Room panel 12[.
Radiaticn monitor ratemeter indicates in excess of Hi c.
alarm setpoint.
d.
Alert (yellow indicator light) alarm from any radiation monitor, located in Control Room panel 12L.
Radiation Mcnitor ratemeter indicates radiation levels in e.
excess of Alert Alarm Setpoint.
22.2 IMMEDIATE ACTION 22.2.1 Automatic Action a.
_ Receipt of cn Alert Alarm If applicable, direct personnel involved in maintenance, operation or sampling activities to immediately isolate the source of the radioactive release per the step specified in the applicable special operating procedure.
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Ep 2202-1.7 Revision 0 APR 2 3 1379 08/13/75 b.
Receipt of a Hi Alarm:
Isolate flow paths in affected piping systems.
NOTE:
Refer to Alarm Response for specific monitor alarming for details of automatic actions.
Automatic general actions only are given below.
interlocks associated with atmosphere and I.
liquid high alarms are outlined in Enclosur 2 A High Alarm on Gamma monitor HP-R-214 re'll actuate the station rad'.
an alarm as described in the Emergency Plans a Procedures AP 1004.
22.2.2 Manual Action If directed by Shift Supervisor / Shift Foreman, announce a.
the following using the Intra Plant Communications System page channel:
" Radiation Hi Alarm, (Location and alarming monitor).
If applicable, direct personnel involved in maintenance, b.
operation or sampling activities to immediately isolate the source of the radioactive release per the step specified in the applicable special operating procedure.
Ensure that the appropriate control room charts (R !S and c.
Meteorological) are marked with the date, time 'and occurrence.
22.2.3 Follow-up Action Verify that automatic action (if any) as specified by a.
Alarm Response has occurred.
i Initiate the following action, depending upon the type of b.
monitor'which is alarming and the type of alarm.
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Revision 0 08/13/75 4
HOTE:
Refer to specific Alarm Response for detailed manual action required.
Below steps are general;y applicable.
(1) Atmosoberic Monitor:
(a) Alert Alarm:
If applicable, take air sample in accordance with Appendix A.
If applicable, analyze sample in accordance with. Appendix B.
Sample and analyze as specified in H.P.P.
1676.
Evacuate affected area (s) if analyses indicate activity in excess of limits for which an RilP is required (3x10-10 uCi/cc).
Determine source of radiatioi.
Take appropriate actions to contain radio-activity and reduce levels.
(b) Hi-Alarm:
Clear affected area of all urnecessary personnel.
Re-enter affected area using air breathing apparatus to obtain air samples.
Analyze air samples in accordance with Appendix B.
If analyses equal greater than' 3x10-10 uCi/cc, re-entry to area wi.thout breathin; apparatus will be permitted aly under RWP.
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'EP 2202-1.7
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Revision 0 1
APR 2 3 nyg Determine source of radiation.
Take appropriate action to contain radio-activity and reduce levels.
If HP-R-219 goes into the high alarm condition, perform the following:
1.
flotify the Radiation Protection Department.
2.
Give wind direction and specify Tocation of site Fence Survey.
3.
Insure that the Radiation Protection Department collects a gas, particulate and iodine sample and conducts a S-y survey at the specified site fence location.
4.
Clear affected area of all non-essential personnel.
5.
Re-enter affected area using air breating apparatus to obtain air samples.
6.
Obtain and analyze air samples in accordance with HPP 1676.
7.
If the analysis indicates levels greater than 3x10-10 uCi/cc, re-entry to area without breathing apparatus will be permitted only under RWP.
.]
8.
Determine source of radiation.
9.
Take appropriate action to ccntain radioactivity and reduce levels.
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Revision 0
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L 08/13/75 APR : 3 GB (2) Gamma Monitor (a) Alert Alarm Survey affected area (s) using Eberline Rad-Owl, portable ion chamber, or equivalent, to verify alarm.
Locate radiation source.
Take appropriate action to reduce radiation levels.
(F ) Hi Alarm:
Survey affected area (s) using Eberline Rad-Owl, portable ion chamber, or equivalent, to verify alarm.
If survey indicates radiation levels greater than 100 mr/hr, permit entry to area to locate the radiation ;suice and take action to reducc the radiation levels only under R'rlP.
(3) Licuid Monitor:
(a) Alert Alarm.
Obtain sample fron affected system and count sample in accordance with Appendix C.
Take action as necessary to contain radio-active liquid.
Take appropriate action to reduce activity level.
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EP 2202-1.7 Revision 0 08/13/75 APR 2 3 1973 (b) Hi Alarm:
Obtain sample from af'ected system and count sample in accordance with Appendix C.
If analysis indicates activity greater
-5 than alarm setpoint (5.6x10 Ci/cc) for closed cooling water systems, isolate affected portion of system if possible.
Take action as necessary to contain radio-active liquid.
Take appropriate action to reduce activity level.
(c)
If source cf radiation is a spill, refer to
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Emergency Plans-and Procedures, AP 1004; 1.ocal Emergency Procedure.
(4) Comolete the Ooerations Planned /Uncianned Release Recort (Enclosure II)
Ensure that Personnel Exposures are recorded.
Ensure that Personnel Film Badges /TLD's are proce'ssed if required.
Ensure that the release point cubicle or room air velocity flow is taken. As soon-as reasonably possible, notify Instrumentation Department to obtain these readings.
j Decontaminate as necessary.
Ensure that the calculations for H.P.P.1676 Attachment A are completed. These calculations a:w.
. include 10 CFR 20.403 evaluation and airborne 186 0
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- J 08/13/75 APR 2 3 1319 concentrations that personnel nav have been excosed to.
In addition, these calculations:
131 a.
Compute Peak & Avg. 1 and Particulate release rate (if applicabic).
b.
Conpute Peak & Avg. Noble Gas release rate.
c.
Credit the release to the Semi-Annual activity inventory released to the environment.
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08/13/75 GER 2 3 319 APPENDIX Al GASE0US COLLECTION s s
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1.
In order to obtain a 100 cc 7.
Squeeze culb 10 times to gas rample preceed as outlined get a representative sample
-'be' w.
if in an area, otherwise, RMS hook-up will provide a representative samole.
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2.
Get Blue air sampler (Beta
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Scintillator) frca H.P. Lab.
8.
Close petcock valves on gas sampler.
\\1 3.
Get Gas Sampler Eulb from H.P. Ldb.
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9.
Return gas sample to Lab for analysis as per Appendix Bl.
f 4.
Go to area to be sampled or RMS Channel to be sampled.
s/
5.
Attach gas sampler bulb to Blue Gas Sampler (Beta Scintillator).
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6.
Open petcock valves on the Blue gas sampler.
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'EP 2202-1.7 4
Revision 0 7
08/13/75 APR 2 3 1979 APPEffD_IX A2 PARTICULATE COLLECTI0tl N'
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1.
Ia order to collect an 7.
Return filter to lab for air sample with the staplex analysis as per Appendix 62 air sampler proceed as outlined below.
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2.
Get Staplex Air Sampler and G5 Air Filter from H.D. Lab.
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3.
Place G5 Air Filter in Filter Holder of Staplex air sampler, furry side cut.
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4.
Get stop watch frca H.P.
Lab.
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Take sampler and watch to the area to be sampled.
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3 6.
Obtain a 4m. air sample v
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/ER 2 3 GTB APPENDIX B1 GASEOUS COUNT & CALCULATION s'
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1 Connect BNC connector from output 7.
cc/ min of Blue gas sampler to input of (Vol) (EFF) 2.22x100 Ludlum Timer Scaler as per attached NOTE:
EFF is found on sketch B-2-1.
the OPS Scaler Data Sheet
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V 2.
Turn on Pre-Amp Switch located on the Blue Gas Sampler.
8.
Reco-d the results on i
the Count Data Sheet.
V 3.
Turn count time switch to 5 minutes.
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4.
Press count button to start
- counting,
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5.
After 5 minutes, divide accumulated counts by 5 and subtract backg_round to obtain corrected counts per min. (cc/m).
NOTE: Background is found on the OPS Scaler Data Sheet.
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6.
Calculate uCi/cc 'by using the following formula.
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08/13/75 3 yg gg APPENDIX B2 PARTICULATE COUNT AND CALCULATION
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1.
If possible wait 15 minutes 7.
cc/m frcm end of collection to (Vol.) (EFF.) 2.22x10" count Filter.
NOTE:
EFF. is found on the OPS Data Sheet.
Vol is in cc's s/
2.
Place sampla in Lead pig
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on top shelf-Furry side up using open GM-Tube.
8.
Record the results on the GPS Data Sheet.
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3.
Set count time to 5 minutes on Timer - Scaler.
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4.
Press Count Button to start counting.
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5.
After 5 minute count, di<ida accumulated counts by 5 and subtract background to obtain corre -ted counts per minute (cc/ri).
HOTE:
Background is found on the OPS Data Sheet
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6.
Calcula te the activity using the following formula.
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' EP 2202-1.7
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f Revision 0 08/13/75 APR 2 3 7379 APPEtiDI. C LIQUIDS x
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1.
Collect a sample from the system 7.
Put remaining sample from beaker that has indicated high activity into stainless steel planchet.
or RMS Channel Alarming.
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8.
Put a few mis of clean water into 2.
Return sample to Lab for beaker and rinse into the planchet.
analysis.
Repeat 3 times.
1 V
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3.
Put 100 ml of sample into 9.
Put stainless steel planchet a 250 ml beaker (250 ml under drying lamp and evaporate beaker available in Lab).
to dryness.
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Put 4 ml of 10% HiiO 10.
Allow planchet to cool.
3 into the sample (10% HNO3 av ilable in i
Lab).
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11.
Put sample into lead pig
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for counting.
5.
Put sample on hot plate and evaporate to near dryness (a few mis remaining.)
gj 12.
Set count time to 5 min on Timer-Scaler.
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i 6.
Get 2" stainless steel planchet (available in Lab).
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13.
Press count button to start counting.
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EP 2202-1.7
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Revision 0 APR2{3Sf9 08/13/76 APPENDIX C (CONT'D)
LIOUIDS 14.
After 5 minutes, divide accumulated counts by 5 and subtract background to obtain corrected counts per minute (cc/m).
NOTE: Background is found on the OPS Scaler Data Sheet.
\\1 15.
Calculate the activity by using the following forg.ula.
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16.
- cc/m (Vol) (EFF) (2.22x10*)
NOTE: Vol is 250, EFF is found on the OPS Scaler Data Sheet.
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17.
Record the activity on the OPS Scaler Data Sheet.
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I EP 2202-1.7 Revision 0 1
08/13/75 APR 2 3 UTB L
.Page 1 of 4 l
l ENCLOSURE I INTERLOCKS A350CIATED WITH RADIATION MONITORING SYSTEM HI-ALARMS i.0 Interlock functicns actuated by Hi Alarms from specific atmospheric radiation monitors are as folicws:
1.1 Control Room Air Monitor, HP-R-220
'a.
Fans AH-E-4A and/or AH-E-4B are e;tergized b.
The following dampers assume the position indicated:
(1) D4092A closes (2) D4092B opens (3) 04091A opens (with AH-E-4A only)
(4) D4091B opens (with AH-E-4B only)
(5) 04092C closes (6) 040920 closes (7) D4092E opens (8) D4098 closes 1.2A Reactor Building Purge Exhaust Monitor, H?-R-225 Purge Supply Fan AH-E-12A shuts down a.
b.
The folicwing dampers assume the position indicated:
(1) D5129A closes (2) D51290 opens (3) 05128A closes (4) D52180 closes 1.2B Reactor Building Purge Exhaust Monitor, HP-R-226 Purge Supply Fan AH-E-123 shuts down a.
b.
The following dampers assume the posicion indicated:
(1) 051293 closes (2) D5129C opens (3) D51288 closes (4) D512EC closes 4
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EP 2202-1.7 Revision 0
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Page 2 of 4 EllCLOSURE I (CC'iT'D) 1.3A Auxiliary Building Ventilation Exhaust Monitor (unfiltered), HP-R-222 The following dampers assume the position indicated:
a.
(1) 04020A closes (2) 04020B oper.s (3) 04020C coens (4) D40200 opens (5) 04020E opens 1.3B Auxiliary Building Ventilaticn Exhaust Monitor (Filtered), HP-R-228 If operating, the follcwing fans shut dcwn:
a.
(1) Aux. Bldg. Supply Fans, AH-E-7A & AH-E-78 (2) Aux. Bldg. Exhaust Fans', AH-E-8A, AH-E-83, AH-E-8C & AH-E-80
- b.
The following dampers assume the position indicated:
(1) 04002 c bses (2) 04001A closes (3) D4001B closes (4) D4016A closes (5) D40168 closes (6) 04017A closes (7) D4017B closes 1.4A Fuel Handling Building Ventilaticn Exhaust Moriter, (unfiltered), HP-R-221 A The following dampers assume the position indicated:
a.
(1) D5683 closes (2) 056B4A opens (3) D5684B opens (4) 05671A opens (5) D5671B ocens a
1.4B Fu21 Handling Building Ventilation Exhaust Monitor (Filtered), HP-R-221B y
If operating, 'he following fans shut down:
a.
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1 EP 2202-1.Z i;
l Revision 2 11/15/77 APR 2 3 W9 EtlCLOSURE I (CDitT'D)
Page 3 of 4 (1) Fuel Handling Bldg. Supply Fans AH-E-9A & AH-E-9B (2) Fuel Handling Bldg. Exhaust Fans - AH-E-10A, AH-E-108, AH-E-10C & AH-E-100.
b.
The following campers assume the position indicated:
(1) D5714 closes (2) D5710 closes (3) 05712 closes (4) D5680 closes (5) D5673 closes (6) 05670 closes '
(7) D5655 closes 1.5 Rad Waste Disposal - Gas Monitors WDG-R-1480, WDG-R-1485 & WDG-R-1486 a.
If open, the following valves will close:
(1) WDG-V-30A (2) WDG-V-30B 1.6 Station Vent Monitor, HP-R-219 a.
The interlocks associated with the following monitors are also interlocked to HP-R-219.
(1) HP-R-225 Reactor Bldg. Purge Exhaust Monitor (2) HP-R-225 Reactor Bldg. Purge Exhaust Monitor (3) HP-R-228 Aux. Bldg. Ventilation Exhaust Monitor (Filtered)
(4) HP-R-221B Fuel Handling Bldg. Ventilation Exhaust Monitor (Filtered)
(5) WDG-R-14SO (6) WDG-R-1485 Waste Disposal - Gas Monitor (7) WDG-R-1486 b.
The following fans, if operating, will shut down:
(1) AH-E-23A & AH-E-23B, Health Physics Area Ventilation Exhaust Fans.
1.7 Waste Disposal - Liquid Monitor, WDL-R-1311 a.
The following valves will colse:
(1) WDL-V99 (2) WDL-V100 (3) CL-V93A I
(4) WDL-V93B b.
The following pumps wiii be stopped if they are running; (1) WDL-P8A or 8B (2) WDL-P11A or llB
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EP 2202-11 i
Revision 0 APR 2 3 ISTS 08/13/75 Page 4 of 4 Ef(CLOSURE I (C0!iT'D) f c
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1.8 Station Discharge Line P.onitor, R'. L7 a.
The folicwing valve will close:
(1) WDL-V99
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EP 2202-1.7 h([.
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Revision 0 03/13/75 APR 2 1379 ENCLOSURE II OPERATIONS PLANNED / UNPLANNED RELEASE REPORT (SHIFT SUPERVISOR: Complete Sections il through #11) 1.
DATE:
2.
TIME:
3.
RMS AND METER 0 LOGICAL CHARTS MARKED:
Yes No 4.
Radiation Protection Dispatched for Envirar. mental Samples Yes No 5.
DESCRIPTION AND CAUSE:
6.
IMMEDIATE CORRECTIVE ACTION:
7.
TOTAL TIME OF RELEASE:
8.
SAMPLE ANALYSIS:
a.
Gas Samole Yes No Location Results:
b.
Iodine Samole Yes No Location Results:
c.
' Particulate Samole Yes No Location Resul t.5 :
l d.
Radiation Survey Yes No Location e.
Contamination Survey Yes No Location e
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.EP 2202-1.7
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Revision 0 2
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08/13/75 9.
PERSONNEL EXPOSURE:
(List all personnel involved ia incident)
Insu e film Badges /TLD's are developed within 24 Hours EXPOSURE RESULTS TIME Iti AREA 0F NAMES (MREM)
POTEfiTIAL RELEASE l '). PERSONNEL CONTAMIT1ATION:
Yes-No Names:
- 11. Air Flos;-Velocity Detemination initiated Yes No
- 12. RECOMMENDATIONS FOR CORRECTIVE ACTION:
4.
13.
FORM COMPLETED BY:
Shift Supervisor (Forward the original fom to the Unit Superintendent and copies to the Station Superintendent and the Health Physics Supervisor)
HP to include 20.403 and personnel exposure info. below per page 4.
14.
ENGITIEERING EVALUATIOil:
COMPLETED BY:
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- 15. REVIE'AED BY:
(Forward the completed fom to the Unit Superintendent) 186 324 19.0-
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