ML20137L822
| ML20137L822 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 01/17/1986 |
| From: | GEORGIA POWER CO. |
| To: | |
| Shared Package | |
| ML20137L820 | List: |
| References | |
| TAC-59309, NUDOCS 8601280098 | |
| Download: ML20137L822 (2) | |
Text
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Table 3.2-5 INSTRUMENTATICN WHICH INITIATES OR CONTROLS THE LPCI N0DE OF RHR Ref.
Instrument Trip Required Trip Setting Remarks No.
Condition Operable (c)
Nomenclature Channels per Irip System (b) 1.
Reactor Vessel Water level Low Low Low 2
1 -113 inches initiates LPCI mode of RHR l
(Level 1) 2.
Drywell Pressure liigh 2
1 1.92 psig Initiates LPCI mode of RHR. Also.
Initiates HPCI and Core Spray and provides a permissive signal to ADS 1
3.
Reactor Vessel Steam Low Permissive 1
1 145 psig With primary containment isola-Lion signal, closes RHR (LPCI)
Dome Pressure (7
inboard motor operated injection l
valves l [
I Low 2
2 335 psig Permissive to close Recirculation l Discharge Valve and Bypass Valve l
Low 2
3 422 psig
- Permissive to open LPCI injection valves 4.
Reactor Shroud Water Level Low 1
1-202 inches Acts as permissive to divert (Level 0) some LPCI flow to containment spray 5.
LPCI Cross Connect N/A 1
Valve not initiates annunciator when valve Valve Open Annunciator closed is not closed j
This trip function shall be 5 500 psig, 860128009s s60117 PDR ADOCK 05000321 P
Tablo 3.2-6 d
INSTRUMENTATION WHICil INITIATES OR CONfROLS CORE SPRAY Ref.
Instrument Trip Required Trip Setting Remarks No.
Condition Operable (a)
Nomenclature Channels per Trip System (b) l 1.
Reactor Vessel Water Level Low Low Low 1-113 inches Initiates CS.
l (Level 1) 2 2.
Drywell Pressure High 2
1 1.92 psig initiates CS. Also initiates HPCI and LPCI Mode of RHR and provides a permissive signal to ADS 3.
Reactor Vessel Steam Dome Low 2
1422 Psig
- Permissive to open CS Pressure injection valves.
4.
Core Spray Sparger 1
To be determined Monitors integrity of CS Differential Pressure during startup piping inside vessel and core
.j' testing shroud.
e 5.
CS Pump Discharge Flow Low 1
2 610 gpa Minimum flow b pass line is l
^
(> 4.13 inches) closed when low flow signal is not present.
6 Cdre' Spray'#tificPower'
?!st Applicable Monitors availability of Failure Monitor power tn Icgic tyt'em.
" 's trip functicn srall be 5 500 psig.
o.
The column entitled "nef. No." is only for convenience sc that a one-to-cra relationship.can te Established between items in Table 3.2-6 and itees in Table 4.2-C.
b.
Jht
& r any CCCS subsystem is requircJ to be operable ^y Section 3.5, it e shall be two operabic trip syst '
If the required number of opereble channels cannot be met f r r t e of the trip systeas, that syst; s' 211 te repaired or the reactor shall be placu - iri the Cold Shute an Condition within 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />; after '
.s trip system is made or found to La inoper;a..