f I

NRL TlwM Mit IJUIWS Nud- Station

Sp�a�l 01:*1tang Proc.dure

3. Artlch procedure to this form wrinen according to the following formaL

A. limiutionund Precautions 1. NuClear S.fety 2. Environmantll Safety 3. P!nonnel Safety 4. Equipment Protection

B. Prerequisites C. Procedure

Genenrtd bv __;.77-l __ a_�__;_;_�--�--·-- Om -9-77

SlOE 1 SOP No. =C=-e�

l'rom SOP' U. '"oo•l

UnitNo. __ =:L __ _

Date _____ _

5. Duration of SOP • Sl\olo ... ,...,_. , ..... eo ... .,. ...,,..,.._....,..._•of '"•'O"or 1•1 or lbl b-.. __ ., ___ .,.'"· 0

SOP will be arocelled by incorporation into existing or new permanent procedure submitted by !:/ :n

(b) SOP is not wlid eft• t_[, ti_ 0 IIUI "' coOl-._ ..... left ... u r-.ot "'SO,..,.,,. cenc.,ledl

6. (I) Is tht procedure N utl•r Safety Related?

If Hya .. , complete Nutlar Safrry Evaluation. ISkl•l of'"'",.,..,., . . . . . • . . . . • . . . .

(b) Ooes the procedure affect Environmental Protection?/) j /} If "ytt', comrlete Environmtntll Evaluation. ISl•f�:,(;J,, . . . . . . . . . . . · · · ·

(d oa .. the proceduttaHect radiation uposute to personnel? • • • . . • • • • • • • • • • . • • •

YaO

YtsO YnO

HoD

NcO NoD

NOT!: " eft ·�· ... ........ ,,.. C"-""' ,....., - IDDI'owd Clot ,,... Sl'ollft s ......... tor� tf ... ., QWeftiO"-....... __ �.,.. .. , .... c....... ""'" .... _...... by .... U..it "'-"'••ndent..

8. SOP is C.ncelled

o ...

132 I.S4 _ o... - ·-.t..;� .... _......._

- -------·------------------

Three Mile lr.land Nudur Station

s.

....,.__,.,... ••• , ... o••"'• '" .._,. 1001 ...... - ..... _.., _,...,. (0,....,�,,...

·-·--

"'"''"'""''nctdure to this form wrinen . .

Ltml!auonund Precautions �J t. Nudar �flty tv� 2. En¥ironmentll Safety 3. Puso nneJ Safety f!--"::ll�il\ 4. Equtpment Protrctio

8. PrtrtquiSJIIS 2 () C. Proctdurt S \ �

(b)

6. (a) Is the ptocedute Nuclsr Safety Relattd?

(b) Oon tht procedure afffct Environmnul PYnr ... �..ft,, If -yes", complett Environmental Evaluation.

(d Oo• thr procedt:te affect radiation uposun HOTt: It •It �•• •• •• ,.. ... m. c.l\a,._ ,..y M aPCII'D'Wd

•• .,.....,_. -, ..... '"• CNf\9e Mw�t be aDCW".....- by

new permantnt D

D

YesO

YuD YuD

·.

NoD

NoD NoD

7. Rtvitw and ApproVIIV �: ;"iJ JJ/C.. �:l--Approved -·Shift Supervisor ___ -:..;..l-7f--;':f'tt�:::::�-5�--.../...f��;;;-j}UJRfiJ/f4- Rtvitwtd- list :f'";�= c�tacted _.;;:;s;:��:.=:::::::::::::.--__:��(:2.--

,1 . .AaJ �-::.d - Unit Superinnndrnt

8. SOP Is Cancelled

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B. Prerequisites:

1. B�come familiar with work to be done prior co beginning work. This

will aid in cutting down on stay time and exposure.

2. Review Drawing 2031 to understand valve line - u� �, -1. ,ll11'/-£t:. /l/1 cN-1;!/5 4T 5//1/CT o;: y,.,o

C. Procedure:

1. Notify Shift Foreman/Supervisor prior to co=encing work.

2. LocGtc temporary valve !SN-VTJ) which WOIS instillled in Unit

Rad Cbec Lab.

1

J. ·with SN-VTJ closed, hook up Ascrofc hand pucp co SN-VTJ. (see figure 1.)

4. Perform following valve line up:

SN-VTJ OPEN '*CA-Vl CLOSE

SN-VT2 OPEN '*CA-VJ CLOSE

SN-VTl OPEN *CA-6 CLOSE

SN-VlOl OPEN SN-V7 CLOSE

SN-V2 CLOSE SN-Vl61 CLOSE

S:i-VJ CLOSE SN-Vl74 CLOSE

SN-V4 OPEN SN-Vl76 CLOSE

SN-Vl OPEN SN-Vl6J CLOSE

*CA-VlO CLOSE SN-V8 CLOSE

SN-VlBl OPEN SN-VllO CLOSE

SN-VS CLOSE SN-Vl09 CLOSE

S:i-V6 CLOSE

• Conrol f; D:l Unj t J2 Control Rooc 0 · u 1 /. I I I / ..J 1{. t �ofe �r.tlta�� kuc��J. l� lv'rL. e... r� e�"vf. p� t-o &''l'a.vl' 5. Pump hydro pucp co obtain a pressure of 2500 psig on the 0-JR. "6 "tJ J;.,.o •

Heise gaugF ·· 1""4,(.C � Q,tt-?en. ,.AI- �.[ ---5:1 Molt' ,-oJ,A./,w. /ew.L'- MPU� . ���e���"'-(e .. , � 6. Close SN-VTJ and conicor Heise gauge for a decrease in pressure. \J � .... At2k)

�t;a. 7. If leakage exists (noted by decrease in pressure), visually inspect

the suspected leaking fitting in the model roam and tighten it l�i

it vas luking.

. . - ..

·, 7,6 I ·'

.. . . :· -

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8. Re-hydro the line and observe for leakage by a drop in pressure.

9. Relieve syste= pressure by opening volve SN-VTJ aod venting hydro

pu=p. Catch vater and monitor for activity.

10. Perform folloving valve line up.

SN-VTJ CLOSE

SN-VT2 OPEN

SH-VTl OPEN

SN-VlOl OPEN

'SN-V2 CLOSE

SN-VJ CLOSE

SH-V4 OPEN

SN-Vl OPEN

CA-VlO CLOSE

SN-V181 OPEN

SN-VS CLOSE

SN-V6 CLOSE

11. Notify Shift Fore�n/Supervisor after co=pleting vork.

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