ML17277B636

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Proposed Changes to Tech Spec Tables 3.3.3-1,3.3.3-2 & 4.3.3.1-1 Re HPCS Pump Discharge Pressure High Signal
ML17277B636
Person / Time
Site: Columbia 
Issue date: 02/27/1985
From:
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17277B635 List:
References
TAC-56945, NUDOCS 8503060432
Download: ML17277B636 (6)


Text

TABLE 3.3.3-1 (Continued)

EHERGENCY CORE COOLING SYSTEH ACTUATIOH INSTRUHEHTATIOH 0QQ UQl

%OM O

>0

- CO OA

,- AGl XIV CIGI QlQl OO Otu

'OlO CIA'mI

'%IXI C:

Im M

TRIP FUHCTION C.

DIVISION 3 TRIP SYSTEH l.

HPCS SYSTEH a 0 b.

C.

d.

e.

Reactor Vessel Mater Level " Low, Low, Level 2

Drywell Pressure " High Reactor Vessel Mater Level-High, Level 8 Condensate Storage Tanks I.evel-Low Suppression Pool Water Level-HINIHUH OPERABLE CHANHELS PER 2(b) 2(b) 2(c) 2(d) 2(d)

APPLICABLE OPERATIONAL CONDITIONS ACTIOii 1, 2, 3, 1a 2p 3

1,'>>

3a 4>>

5>>

30 30 4*

5>>

32 4>>, 5" 36 4>>

5>>

36 D

ETO 11/division NINIHUH LS CIIAHHELS P

OPERABLE Py 2/bus 1/bus bus D.

LOSS OF POWER l.

4. 16 kV Emergency Bus Under-voltage (Loss of Voltage) 2.
4. 16 kV Emergency Bus Under-voltage (Degraded Voltage) 3/bus 2/bus TABLE NOTATIONS 2/bus g.

IIPCS System Flow Rate-Low (Hinimu h.

IIanual Initiation TOTAL HO.

OF CIIANNELS TO 1, 2, 3, 4", 5" 31 1, 2, 3, 4", 5>>

34 APPLICABLE OPERATIONAL CONDITIONS ACTION 2

3 4**

5*>>

37 1

2 3

4*" 5**

38 (a)

A channel may be placed in an inoperable status for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> during periods of required surveillance without placing the trip system in the tripped condition provided at least one

- other OPERABLE channel in the same trip system is monitoring that parameters (b)

Also activates the associated division diesel generator.

(c)

Provides signal to close IIPCS pump discharge valve only; on 2-out-of-2 logic.

(d)

Provides signal to IIPCS pump suction valves only.

When the system is required to be OPERABLE per Specification

3. 5. 2 or 3. 5. 3.

Required when ESF equipment is required to be OPERABLE.

g iiot 2renuired to be OPERABLE uhen reactor steam dome pressure is less than Br'gua) to 12B psig.

Ci':,,

P

~

v

ms ~ "vm TABLE 3.3.3-2 (Continued)

EMERGENCY COBE COOLING SYSTEM ACTUATION INSTRUMENTATION SETPOINTS TRIP FUNCTION C.

DIVISION 3 TRIP SYSTEH 1.

llPCS SYSTEH TRIP SETPOINT ALLOMABLE VALUE Reactor Vessel Mater Level - Low Low, Level 2

> -50 inches" Drywell Pressure

- lligh

< 1.65 psig Reactor Vessel Water Level - lligh, Level 8

< 54.5 inches*

.Condensate Storage Tank Level -

> 448 ft 3 in.

elevation Suppression Pool Mater Level - Nig

+

< 466 ft 8 in.

elevation llPCS System Flow Rate - Low (Hinimum Flow) 50 gpm Hanua 1 Intiati on POWER Py a.

4.16 kv Basis - 26k s 66 volts b.

120 V Basis - 82 t 2.5 volts a.

b.

C.

d.

g.

h.

D.

LOSS OF 1.

4. 16 kV Emergency Bus Undervoltage Loss of Voltage M a.

Divisions 1 and 2

b.

Division 3 a.

4.16 kV Basis - 3016 i 90 volts b.

120 V Basis - 87 i 2.5 volts

> -57 inches

< 1.85 psig

< 56.0 inches

> 448 ft 0 in. elevation

< 466 ft 10 in. elevation

> 1200 gpm N.A.

2870 4 172 volts 82 i 5 volts 3016 t 180 volts 87 a 5 volts 2.

4. I6 kV Emergency Bus Undervoltage Degraded Voltage (Divisions 1, 2, and 3

a.

4. 16 kV Oasis " 3632 t 108 volts b.

120 V Basis - 104.0 t 3.0 volts c.

8 t 0.04 sec time delay 3632 2 216 volts 103.8 k 6.0 volts 8 t 0.8 sec time delay TABLE NOTATIONS "See Bases Figure B 3/4 3-1.

NNThese are inverse time delay voltage relays or instantaneous voltage relays with a time delay.

The voltages shown are the maximu'm that will not result in a trip.

Lower voltage conditions will result in decreased trip times.

I

(.

~

~

.h,

TRIP FUNCTION CHANNEL CtlECK TABLE 4.3.3. 1-1 (Continued)

EHERGENCY CORE COOLING SYSTEH ACTUATION INSTRUMENTATION SURVEILLANCE RE UIREHENTS CllANNEL OPERATIONAL FUNCTIONAL CHANNEL CONDITIONS FOR MNICN TEST CALIBRATION

. SURVEILI.ANCE RE UIREO C.

DIVISION 3 TRIP SYSTEH 1.

ilPCS SYSTEH a.

Reactor Vessel Water Level-Low Low, Level 2 S

H b.

Drywell Pressure-Iiigh N.A.

H c.

Reactor Vessel Mater Level-lligh~

Level 8 H

d.

Condensate Storage Tank Level-Low e.

Suppression Pool Water Level - Nigh H.A.

1A 2A 3A 4*A 5" 1, 2, 3, 4", 5*

1, 2, 3, 4", 5" 3

4KK 5'A g.

IIPCS System Flow Rate-Low (Hinimum Flow) h.

Hanual Initiation D.

LOSS OF POWER

4. 16 kV Emergency Dus Undervoltage (Loss of Voltage)

N.A.

N.A.

N.A.

N.A.

R N.A.

1, 2, 3, 4", 5"

]

2 3

4** 5**

2.

4. 16 kV Emergency Bus Undervoltage (Degraded Voltage)

N.A H

TABLE NOTATIONS 3

4+KK 5**

PNot required to be OPERABLE when reactor steam dome pressure is less than or equal to 128 psig.

"When the system is required to be OPERABLE per Specification

3. 5.2.

""Required when ESF equipment is required to be. OPERABLE.

Ct l

~

V+