ML18044A961: Difference between revisions

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** N/A . 4. 0 PRECAUTIONS AND LIMITATIONS 5.0 5.1 5.1.l 5.1.2 5.1.4 The .attached tables are based.on equilibrium core activities and Reg Guide i. 4 (Reference 2 2) release rates. Depending on core J.if e at time of accident these tables may erroneous results. PROCEDURE Determining Damage From 0 to 24 Hours After:Accident Determine tne dose rate from the Control Room entrance radiation mon:ttor.
** N/A . 4. 0 PRECAUTIONS AND LIMITATIONS 5.0 5.1 5.1.l 5.1.2 5.1.4 The .attached tables are based.on equilibrium core activities and Reg Guide i. 4 (Reference 2 2) release rates. Depending on core J.if e at time of accident these tables may erroneous results. PROCEDURE Determining Damage From 0 to 24 Hours After:Accident Determine tne dose rate from the Control Room entrance radiation mon:ttor.
This monitor appears as 1111 on the area radiation monitor strip chart recorder (RR".'"2302).
This monitor appears as 1111 on the area radiation monitor strip chart recorder (RR".'"2302).
Absolute dose rate is obtained by subtracting normal.background  
Absolute dose rate is obtained by subtracting normal.background
(#11 reading before t=O) from the dose rate after accident occurs.
(#11 reading before t=O) from the dose rate after accident occurs.
in Figure 1 to determine percent failed fuel. If the point determined is between two curves,, state results *as range between those* curves. (ie, 10%-50%, etc.).
in Figure 1 to determine percent failed fuel. If the point determined is between two curves,, state results *as range between those* curves. (ie, 10%-50%, etc.).
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Revision as of 23:15, 25 April 2019

Determination of Extent of Core Damage.
ML18044A961
Person / Time
Site: Palisades Entergy icon.png
Issue date: 04/29/1980
From:
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
Shared Package
ML18044A959 List:
References
EI8-3, NUDOCS 8006040315
Download: ML18044A961 (8)


Text

  • . . PALISADES NUCLEAR PLANT EMERGENCY IMPLEMENTATION PROCEDURE PROC HO EIB-3 PAGE 1 OF 8 REVISION O
  • consumers Power *TITLE. DETERMINATION .OF OF CORE I DAMAGE DATE 4/29/80 REVIEWED BY PRC -DATE 4/28/80 QA-05 1.0 PURPOSE To provide a method of estimating the degree of core damage during accident conditions.

DATE 2. 0 :REFERENCES 2.2 2.1 Palisades Nuclear Plant, FSAR Table 11-1. 3.0

    • N/A . 4. 0 PRECAUTIONS AND LIMITATIONS 5.0 5.1 5.1.l 5.1.2 5.1.4 The .attached tables are based.on equilibrium core activities and Reg Guide i. 4 (Reference 2 2) release rates. Depending on core J.if e at time of accident these tables may erroneous results. PROCEDURE Determining Damage From 0 to 24 Hours After:Accident Determine tne dose rate from the Control Room entrance radiation mon:ttor.

This monitor appears as 1111 on the area radiation monitor strip chart recorder (RR".'"2302).

Absolute dose rate is obtained by subtracting normal.background

(#11 reading before t=O) from the dose rate after accident occurs.

in Figure 1 to determine percent failed fuel. If the point determined is between two curves,, state results *as range between those* curves. (ie, 10%-50%, etc.).

  • Record results on data shee*t.

ffff UfUi*',Jt U

g

. ' @. . . . PALISADES NUCLEAR PLANT EMERGENCY IMPLEMENTATION PROCEDURE . . Tl T LE .. DETERMINATION OF EXTENT OF CORE DAMAGE PROC tlO EI8-3 PAGE 2 OF 8 REVISION o . DATE 4/29/80 I . consumers Power 5.2 Determining Damage.for Greater*thari 24 Hours 5.2.2 Determine dosa. rate from monitors RIA 1805, 1806, 1807 and 1808. These monitors appear as follows On strip chart recorder RR-3202: RIA No. 1805 1806 . 1807 1808 . ! Recorder Point No

  • 19 20 21 22 Absolute dose rate is found by subtracting normal background (see 5.1.2). If four readings are 0btained>

use appropriate curves in Figures 2-5 and find an average value. Record __ r.esults on data sheet and submit for review by Health Physicist .and Site Emergency Director.

6.0 ACCEPr:ANCE N/A .... _ 7.0 ATTACHMENTS AND RECORDS 7.1 Figure 1 -Dose. Rc;i.te V?. Time for Control Rcom Entrance Monitor. 7.2 . l'igure .2 -Dos.e Rate vs. Time for Containment

/}1805 7 *. 3 Figure 3 -Dose Rate vs.

for Containment Monitor

7.4 Figure

4 -:-.Dose Rate vs. Time for Containment Monitor #1807. . 7.5 Figure 5 -Dose Rate vs. Time for Containment Monitor-ffl808

  • 7.6. . Data sheet. for determining extent of core damage *.. Htv&&ii:IQ!

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DATA. SHEET FOR DETERMINING EXTENT OF CORE DANAGE ..

  • EI8-3 Rev. 0 Page 8 4/29/80 Time (Post'-Accident)

Hours, Days I Noni tor Location* . ---.. ........ ---... Dose Rate % Failed Fuel >-. Technician . , . Reviewed by Health.

Reviewed by Site Ernerg.