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Public Version of Revision 4 to Emergency Plan Implementing Procedure HNP-4825, Emergency Sampling of Primary Coolant.
	ML20040E346
Person / Time
Site:	Hatch
Issue date:	01/15/1982
From:	; GEORGIA POWER CO.
To:	;
Shared Package
ML20040E344	List: ML20040E345; ML20040E346;
References
	HNP-4825-01, HNP-4825-1, NUDOCS 8202040214
	Download: ML20040E346 (6)
	v • d • e

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1 ,, e EMERGENCY SAMf' LING OF PRTMARY COOfANT A- EU3EOSE To provide a procedure for sampling primary coolant using the Je t Pump instrument rack as sample location for Units I and II. Sampling will be done with the assumptions of a fuel cladding failure accident of the worse degree possible. B. SAFETY ! Observe Radiation Protection Procedures. C. PRECAllTIONG Due to the high dose rates and contamination levels which are to be expected with this kind of an accident, extreme care and good sampling techniques must be adhered to and followed. Laboratory supervision shall be consulted on all activities associated with sampling and counting any material obtained,for post-accident analysis. All attempts to get samples will be f'ollowed with the most restrictive H.P. practices. Constant H.P. monitoring will be provided and adhered to. A minimum of two persons will tie required while getting the sample. b!OTE I At no time during sampling will personnol be allowed,to receive more than l'.25 R-unless a. Lab - Supervisor, signs ECRd_,1 of ! HNP-8002, Authoritation'tn Exceed Administration Exnnsure Guides. D. EGUIPMFNT

1. High range survey meter (PIC-GA, Teletector, or equivalent) 2

                                         .        Count rate in s t rdme'nt (E-120, or equivalentf-o I
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cc 8202040214 820201 PDR ADOCK 05000321 MANUAL SET F PDR

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3. High range dosimeter (ICR) and TLD's

4. Assorted poly bags and bottles

5. - Full PC's

6. Lead shield on wheels

7. Remote handling tools with various attachments

8. Se]F-contained breathing air (SCBA)

9. Finger ring T.L.D.'s

10. 75 m1 sample bomb

11. Remote sampling' equipment control panel

12. Key 1P33 P300 (For Unit 1 Control Box) or 2P33 P3OO (For Unit 2 Control Box) from " Remote Emergency Handling Tool" Box. .

13. Absorbant material to be used in case of spill.

NOTE The equipment referenced in Section D may not be adequate to perform the sampling requiremerrs. All cons's de rati on s 'must be given though prior to actual sampling.

                                                     .A.R.M. read outs located in either
             -                                          controlfroom will be. read prior to entr.y int.o.the Reactor.Ruilding~.                                        ' ?

f Dose rates will be taken while enroute to the sampling station. Air samples will also be taken while getting samples. While enrnute to the sampling

                                                      . station iE the,,whole body. dose                                      g rate of 10 R/hr is exceeded, retreat (10 R/hr = 166.5 mr/ min). C'%m?MJ    nt #'f 177f., :

ys 1: E. LOCATTON IW' q, hf '

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_(j Unit _T_ Sample will be taken off the jet pump instrument rack located on the 130' elevation southside of the reactor building. MANUAL SET

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E.1. HATCH NUCLEAR PLANT "** G S See.Page,1 n,s o w am 4 See Page 1 Georgia Power A, ~~ 3 og 3 The temporary sampling system will be used until the permanent sampling system is installed and operable. t@IE The control panels for the emer-gency sampling cystem(s) are located on the reactor building 164' elevation on the westside by the stairway. Unit II Sample wil' be ta'. en o f f the j e'. pump instrument rack located on the 130' elevation northside of the reactor building. NOTE The control panels for the emergency sampling system (s) are located on the reactor building-1G4' elevation on the westside by the stairway. F. SAMPLING (PRESSURIZED VESSEL) An R.W.P. will be initiated to get a sample. While sample is being gotten the dose' rates will be taken continuously on the sample bomb and other associated equipment.

1. Connections

 '                                a. Place samp'Is homb- in . lead cat,k and place lead brick on                -

shield to'p'.to make'a sealed cask.

b. Open stem valves on sample bomb (outside of cask) two valves to be opened.

c. Connect flex tubing to sample bomb (two connections to

, be made outside the cask).

2. Flushing Through_Romb

a. Open manual valve (1021 NO33C TVI for Unit 1 or 2021 1

NO33C TVI for Unit 2) on jet pump rack. The valves are painted red and are usually in the open position. Must

          ..                           -check to make sure the valve is open.
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b. Open valve F306. (chiller water, demin) on control box.

Chiller water will return to CRW. i

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c. Open valves F3CO, F302, and F304 on control box and flush system for 10 minutes. Sample may now be taken.

3. Taking_gamnig

a. Close valve F3OO, F302, and F304 on control box.

b. Purge sample lines using dcmin water using Section H. ~

c. Close manual valves on sample bomb (two valves to be closed) using remote handling tools if dose rates require it.

d. . Disconnect flex tubing from sample bomb (two disconnections to be made).

NOTE-f Any water which may have been dripped when the disconnection was made must.be covered up or . g cleaned up as soon as possible.

e. After survey of the lead cask has been done, the samp]$

is returned to the lab or other area as required by Lab Supervisor to await shipment to an outside vendor for analysis. J . NOTE Upon the discretion of the Health Physicist and Lab Supervisor, the ~ '

                                                   ' sample may-be analyzed in.the Hatch                                                           ;
                                                 . Lab if dose rates are low enough.

G. SAMPLTNG (DEPRESSURlZED VESSEL) 1 NOTE An R.W.P. will be initialed to ,s. , get a sample. While sample is ' bein.g gott.en, the dose. rates will '~ , be taken continuously on the sample . . bomb and other associated equipment. '~ ' ~ j 1. Connections t f a. ' Place sample bomb in lead cask and place lead brick on (. shield top to make a sealed cask.

b. Open stem valves on sample bomb. (outside of cask two valves to be opened) -

MANUAL SET

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c. Connect Flex tubing to sample bomb. (two connections to be made outside of case)

2. Flushing Through Rnmb_

a. Open manual-valve (1021 NO33C TVI for tinit 1 or 2B21 NO33C TVI For Unit 2) on jet pump rack. The valves are painted red and are usually in the open position. Mut>t check to make sure the valve is open.

I b. Open valve'F30E. (chiller water), F3OO, F301, F302 and F304 on control panel. Flush system for 10 minutes, sample may now be taken.

                              -3.           Taking Samglg

a. Close valves F3OO, F301, F302, and F304 on control box.

b. Purge sample lines with demin water using Section H.

c. Close manual valves on sample bomb (two valves to be closed) using remote handling tool is required by' dose rate.

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d. Disconnect flex tubing from sample bomb (two disconnections to be made) l' LGIE

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l. Any water which may have been i dripped when the disconnection was made must be cleaned up or '

covered.as soon as'possible. o . .

  !                                           e. After' survey of the lead cask has' been done, the~ sample and cask are returned to the lab or other area as required by Lab Supervisor to await shipment to an outside vendor for analysis.

NOTE n Upon the discretion of the Health n ' s pc'"'" 7, 'q f;W"]VS 03 Ph'ysicist a'nd the Lab Gup'ervisor', i. C-

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l: . the sample may be analyzed in the tu*" . , ., Hatch Lab if dose rates are low - '

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  .'                                                            enough.                                                     y ,ys 3 H. SyGTFM9 PLUGHTNG Systems will be flushed upon taking a sample to lower the dose rates in the local area. Flushing time will depend upon the MANUAL SET m.'_..--   - - - -_                                                             _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . . _

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6 of 6 amount of crud stuck in the tubing lines and valves and dose rate in the area (Rackground).

1. Open valve F305, F301, and F303 and flush for 15 minutes or until Lab supervision specifies otherwise.

2. Close valves F301 and flush through pressure regulator for 30 minutes or until Iab Supervision specifies otherwise.

3. Close valve F305; this returns system to a ready-to-sample system.

NOTE Systems flushing (Section H above) may be used to demon-strate skills in sample taking. NOTE Recommended route is through the *

railroad airlock, around the.CSTs and in through T-16. .

t!OIE After obtaining the sample, refer

   +                                                     to HNP-4828 "Transferr.ing Primary

i. Coolant from 75 ml Bomb" and 4 HNP-4829 " Analysis of Primary Coolant."

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ML20040E346

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