ML18044A962
| ML18044A962 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 04/26/1980 |
| From: | CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | |
| Shared Package | |
| ML18044A959 | List: |
| References | |
| EI8-4, NUDOCS 8006040316 | |
| Download: ML18044A962 (7) | |
Text
- .I 4
PALISADES NUCLEAR PLANT.
PROC NO EI8-4 EHERGENCY Il1PLEMENTATION PROCEDURE PAGE 1 Oj TITLE i EMERGENCY HIGH RANGE EFFLUENTS REVISION 0
MONITOR DATE 4/26/80 REVIEWED BY PRC.... DATE 4/18/80 QA-05 APPROVED 1.0 PURPOSE To determine noble gas effluent releases from plant stack in event that stack monitor RIA-2318 goes off-scale.
2.0 REFERENCES
3.0 3.1 NRC Submittal for Palisades Plant, "Requiements Resulting From Review at Three Mile Island 2 Accident: Actions Taken in Response to", dated.
December 27, 1979, Section 2.1.8.b(l) *
. PREREQUISITES Special.Equipment 7
3.1.l High-range,. battery-powered sur*Jey meter (Technical Associates Model CP-~m or equivalent)~
3.1.2
~ E..:igh-range, unde:r-~ater.icid..zatic;~.c::-i2.::.~e-:-s (T2:::.hn:..cal P.;ss:::;c.iat=s ~!0°::.;l DMt1.-100 or equivalent} which are located in shielded enclosures on
- Auxiliary Building roof, elevation 639'.
4.0 PRECAUTIONS AND LIMITATIONS 5.1 A supply of batteries will be available for the survey meters.
The
. battery in the meters should be changed-every 24hours when in use to ensure conti~nued operation of the instrument without loss of function.
- 4. 2 I~ the eve:i,t th=.t the h.ign-:::a.,..,ga iodza.tion. chambers or the stack 5.0
. :s.1
.effluent monitor require access after an accident, a high-range survey instrument (Eberline Nodel 6112_"Teletector" or equivalent) shall be
- used when accessing the-:area *. The-attempt. should.- be aborted if dose rates exceed iOO R/hour.
- - PROCEDURE Ins t.alla t:ion.
5~1.1.
Retrieve two high...:range survey meters-fro:il their* emergency storage-location
.. 5.1. 2 5.1. 3
- in the '.l'e.c~I)i_cal*.~.l1pport Center.
Insert *a "D" size battery and check meter function. - *
- Install meters in hallway outside Control Room by connecting overhead cables from ionization chambers.
Cable A is from stack detector while Cable B is from relief valve detector.
/
8006040
PALISADES NUCLEAR PLANT
-___
- _@ ____.l------D-IER--G-EN_c_Y_n_1_P_L_n_1E_N_T_A_r_1_o_N_P_R.,..O_c_ED_UR_E __ -i TITLE i EMERGENCY HIGH RANGE EFFLUENTS PROC tlO EIB-4 PAGE 2
OF 7 REVISION
- o consumers power MONITOR DATE
- 4i26/80 5.1.4 5.2 5.2.1 5.2.2 5.2.3 5.2.4 "6~0 To preve*nt becoming confused, meters should be labeled in any convenient manner after installation.
Reporting Obtain time since initiation of accident from Health Physicist or Control Room.
Check battery function before-each use of instruments.
Determine background rates from relief valve detector at a time when no steam release is occurring.
Obtain reading from stack detector and subtract background rci.te.
NOTE!
An unexpectedly high.or off~~cale reading may indicate high activity in the PenetrationRoom filter box on the 639' level.
Subject to the precautions o'.: Section 4.2 determine the back-ground contribution from act.tvity in the box. using a high-.
range> extended re~ch survey meter (Teletector or equivalent}.
Determine release rates by interpolation from Dose Rate vs. Release Rate curves*** (Figure 1).
Activity release rates in steam releases from relief valves are also determined in the above manner.
Results are interpolated from Figure 2.
Background may he determined follo~*ling the. release.
- Release rates fur post-accident times greater than six days are determined
- from Figure 3.
Record results on Data Sheet.
Readings should be repeated approximately every fifteen. (15) minutes until.
the Health Physicist request"lqnger intervals or*the Site Emergency Director determines thay are no longer required.
- .ACCEPTANCE CRITERIA,
- , *~*.**.
N/A
. RECORDS AND ATTACHMENTS 7". l Figure 1, * Dose Rates vs.* Time for Various Activity Release Rates From the Stack".
7.2 Figure 2 ~ "D.ose Rates vs. :Time for Various Activity Release Rates From the.
Relief Valve Vents".
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consumers Power PALISADES NUCLEAR PLANT
. EMERGENCY. IMPLEMENTATION PROCEDURE TllLE ~
EMERGENCY HIGH RANGE EFFLUENTS MONITOR PROC NO EI8~~
PAGE 3 OF 7 REVISION 0
DATE 4/26/80 7.3 Figure 3, "Dose Rates vs. Release Rates for-Times Greater Than Six Days".
7.4 Data sheet for determin.:..ng stack and relief valve release rates.
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I Data She~t for Dete~nining Stadk and Steam Dump Release Rates
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INIT~S TIME
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TOTAL DOSE RATE (R/hr)
BACKGROUND.
- nosE RATE
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NET DOSE RATE (R/hr)
RELEASE RATE (Ci/ sec)
DATA H.P.
TAKER Reviewed by Site B111m.*gency Director _______________ _