ML20024C552

Hypothetical Conditions at TMI-2 Assuming Vertical Pressurizer Surge Line, at t=150 Minute.Core Covered, Pressurizer Drains Due to counter-current Flow in Surge Line & Sys Refills W/Hpi on

ML20024C552
Person / Time
Site:	Crane
Issue date:	07/11/1983
From:	GENERAL PUBLIC UTILITIES CORP.
To:
References
TASK-07, TASK-7, TASK-GB GPU-3126, NUDOCS 8307120797
Download: ML20024C552 (1)

Text

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Hypothetical Conditions at TMI-2 Assuming f

Vertical Pressurizer Surge Line JO Pilot operated p,imary water steam

~

)

==N

~ #reliel valve (PORV) t ~- 150 minutes (6:30 AM)

• seconda,y water

~p pPORV block valve

' O

-.3 t'

Sb l

-R 1

I t

1 Pump Pump (off)'

(of.f)

Q~&

r A

A&&

?_;

,r 3

+

i i

HPI

"-,~"."v HPI n:.w J)

?

)

T

-50%

a i

E n

r - 50%

_r t

+--e

(

,a 1,g (I[l

~ jj

[

o o..

O

...-,. }

f[

I o* Core o h@3 t

+ - ~ ~

9 y.

P**o K Reactor coolant }.,S

. ]e p'

o i

4,y' y

l drain tank k ; ;,

Loop B zg;g.h Loop A e Core covered.

• Pressurizer drains due counter-current flow in surge line.

• System refills with HPI on.

i m n O (,

,