ML20024C557

Hypothetical Conditions at TMI-2 Assuming Vertical Reactor Coolant Pumps Left on, at t=150 Minutes.Pressurizer Will Drain Due to Differential Pressure,Core Adequately Cool & HPI Will Be Initiated on Low Pressurizer Level

ML20024C557
Person / Time
Site:	Crane
Issue date:	07/11/1983
From:	GENERAL PUBLIC UTILITIES CORP.
To:
References
TASK-07, TASK-GB GPU-3127, NUDOCS 8307120802
Download: ML20024C557 (1)

Text

'

i Hypothetical Conditions l

J atTMI-2 Assuming T

Reactor Coolant Pumps Left On t== 150 minutes (6:30 AM) i Y

'o Pilot operated

{ primary water I

steam j

p

-v

_ # relief valve (PORV) l N

ik pPORV block valve secondary water O

i o-Auxiliary Pit feedwater p,'

g 7

l

[5>/

R P'.

f' ii R

i t

i 4 0:

t Qi y

I 4

Pump N

p

Q

, Pump 5$

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t 9

~

l i

N Y

W f.

f

~

l j,

i 79 i

^*

i l

g-

.- mmmi i

-,m m e i

p:;

H l

IN,g,f h,*i f-ff QV.

8 o.

6 4-W o

mp Q

h m-.-

D'

-50%

A lo 1r Jo

-50%

D r

k l

[.f 0D b

tumunuumansus i

o l

![Adi f

}

e y pri

% o# 6 M.

p, o

a ih o

w y~d a

o R

g g

%(

80 p1 i

= " "

~ A9 l

• =4cnsud l

Loop A Loop B i

l l

• Pressurizer drains due to differential pressure.

e Core adequately cooled.

• HPl will be initiated on low pressurizer level.

GPO 3127

,