ML20114A841
| ML20114A841 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 08/12/1992 |
| From: | GENERAL PUBLIC UTILITIES CORP. |
| To: | |
| Shared Package | |
| ML20114A838 | List: |
| References | |
| NUDOCS 9208240009 | |
| Download: ML20114A841 (2) | |
Text
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nt TABLE 3.1.1 PROTECTIVE INSTRUMENTATION REQUIREMENTS U
200 CD "<
Reacter Modes Min. No. of Min. No. of PJ -4 in which Function Operable or Instrument t
I co9 Must Be Operable Operating Channels Per f
[ tripped)
Operable Action ya$
Function Settin_q Shutdown Refuel Startup Pun Trio Systeps_
Trio Systems Required
- g Trip x
j O, X l
A.
Scram OO X
X X
X 2
1 Insert control if$
- 1. Manual Scram rods-croPJ X(s)
X(ll)
X 2
2
'me 4
- 2. High Reactor Pressure
- 3. High Drywell 5 3.5 psig X(u)
X(u)
X 2
2 I
Pressure 1
X X
X 2
2 4.
Low Reactor Water Level 5.
- a. High Water 5 29 gal.
X(a)
X(z)
X(z) 2 2
Level in Scram Discharge Volume
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c'o Nort ' Side b.
High Water 5 29 gal.
X(a)
X(z)
X(z) 2 2
Level in Scram Discharge Volume South side
- 6. Low condenser
> 20 inches Hg.
X(b)
X 1
3(mm)
Vacuum m>
7.
High Radiation 5 10 x normal X(s)
X X
2 2
ws N 0-in Main Steam background fM Line Tunnel w r+
W OZ
=
.0.
WO M
44 C=
$E TABLE 3.1.1 (CONT'L, w
. 5!
^
is not required to be a gg..
These functions are.not-required to be operable when secondary containment
[].
maintained or when the conditions of Section 3.5.b.l.a, b, c, and d are met, and reactor water' level is closely monitored and logged hourly. The Standby Gas Treatment System will be manually initiated r1 92 if reactor water level drops to the low level trip set point.
hh.
The high flow trip function for "B" Isolation Condenser is bypassed upon initiation of.the alternate shutdown panel. 7This prevents a spurious trip of the isolation condenser in the event of. fire.
induced circuit damage.
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ii.
Instrument-shall be operable during main condenser air ejector operation except that a channel may be
.taken out-of-service for the purpose of a check, calibration, test, or maintenance without declaring, it be inoperable.
jj.
With no channel OPERABLE, main condenser offgas may be released to the environment for as long as 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> provided the stack radioactive noble gas monitor is OPERABLE. Otherwise, be in at least.
SHUTDOWN CONDITION within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
kk.
Reserved 11.
This function not required to be operable with the reactor vessel head removed or unbolted.
mm.
" Instrument Channel" in this case refers to the bellows which sense vacuum in,each of the three
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condensers (A, B,'and C), and " Trip System" refers to vacuum trip system 1 and 2.
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This note is applicable only during the Cycle 10M outage.