ML20084C664

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Rev 3 to Pump & Valve Inservice Testing
ML20084C664
Person / Time
Site: Mcguire, McGuire  Duke Energy icon.png
Issue date: 04/20/1984
From:
DUKE POWER CO.
To:
Shared Package
ML20084C652 List:
References
PROC-840420-01, NUDOCS 8404300154
Download: ML20084C664 (11)
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DUKE POWER COMPANY McGUIRE NUCI. EAR STATION PUMP AND VAI,VE INSERVICE TESTING UNIT 2 REVISION # 3 l

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8404300154 840420 PDR ADOCK 05000369 P PDR

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O t System: Containment Spray 6 0 E m 2 E E 3 0  ?

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$ $ Valve Category u .$ t U O E Y E Valve Number Drawing Number A B C D H " H Remarks 2NS-33 B MC-2563-1.0 H-2 X MT X RF 2NS-4 B MC-2563-1.0 B-12 X MT X RF 2NS-3B B MC-2563-1.0 B-13 X CT 30 sec. max. cycle time

-2NS-1B B MC-2563-1.0 C-13 X CT 30 sec. max. cycle time

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2NS-15B B MC-2563-1.0 D-4 X CT 10 sec. max. cycle time s 2NS-16 B MC-2563-1.0 D-2 X MT X RF 2NS-12B B MC-2563-1.0 C-4 X CT 10 sec. max. cycle time 2NS-13 B MC-2563-1.0 B-2 X MT X RF McGUIRE - UNIT 2 11.14-3 A

O MC-2563-1.0 VALVE: 2NS-30, 2NS-33, 2NS-16, 2NS-13, 2NS-46, 2NS-41 CATEGORY: C CLASS: B FUNCTION: Open on flow from the Containment Spray Pumps.

TEST REQUIREMENT: Verify proper valve movement once per three months, IWV-3522.

BASIS FOR RELIEF: Full stroke exercising of these check valves is not practical since there is no external indication of disk movement. Full stroke exercising would require for the pumps and spray nozzles to be activated which would 3

require a large scale clean up effort. Provisions for disassembly of these 8 inch valves are not installed, thus subjecting personnel to an extreme hazard due to the valves location up near the containment dome.

ALTERNATE TESTING: These valves will be tested during refueling outages by partial stroke exercising the valves using air.

McGUIRE - UNIT 2 11.14-4 Revision 3

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0 System: Safety Injection E E 6

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A B C D Remarks 2NI-162A B HC-2562-3.1 K-11 X CT X CS 10 sec. max. cycle time 2NI-171 A HC-2562-3.1 J-7 X X HT X RF LT 2NI-169 A HC-2562-3.1 J-6 X X HT X RF LT 2NI-167 A HC-2562-3.1 J-5 X X HT X RF LT 2NI-165 A HC-2562-3.1 J-3 X X HT X RF LT 2l 2N1-173A B HC-2562-3.1 I-12 X CT X CS 10 sec. max. cycle time l 2NI-175 A HC-2562-3.1 I-8 X X HT X CS LT IfcGUIRE - UNIT 2 II 35-9 __

Revision 2

O U System: Safety injection 5 0 E D 0 E U S h.

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{ g Valve Category g j g Valve Number Drawing Number 8 $ N $

A B C D Remarks 3l 2NI-176 A HC-2562-3.1 11 - 8 X X HT X CS I.T (

2l 2NI-178B B HC-2562-3.1 F-12 X CT X CS 10 sec. max. cycle time l 2NI-180 A HC-2562-3.1 F-6 X X HT X CS LT 2NI-181 A HC-2562-3.1 F-5 X X HT X CS LT 2NI-184B B HC-2562-3.1 D-12 X CT X RF 60 sec. max. cycle time 2NI-185A B HC-2562-3.1 B-12 X CT X RF 60 sec. max. cycle time 2NI-358A '

, HC-2562-4.0 C-12 X CT 10 sec. max. cycle time 2NI-244B B HC-2562-4.0 F-18 X CT 3 sec. max. cycle time McGUIRE - UNIT 2 II.35-10

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3l MC-2 562-3.0 l 3l VALVE: 2NI-121A l CATEGORY:. B CLASS: B FUNCTION:

Isolates Train,A of Safety Injection to the Hot Legs TEST REQUIREMENT: Cycle and time valve quarterly BASIS FOR RELIEF: The valve is normally aligned for safety injection with power removed, as required by McGuire Technical Specification 4.5.2. Cycling the valve with the plant in operation requires '

that the power be restored to the valve and moved.fram the

event-initiation position. The valve is required for ilign-ment for hot-leg recirculation following an accident. It is

' not required to automatically actuate on initiation of a safety event. The past test history of the valve is very good.

ALTERNATE TESTING: . Valve will be cycled and timed at cold shutdown.

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('Sg McGUIRE-UNIT 2 II.35-26a

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9 3l MC-2562-3.0 l 3l VALVE: 2NI-152B CATEGORY: B CLASS: B FUNCTION:

Isolates Train B of Safety Injection to the Hot Legs TEST REQUIREMENT: Cycle and time' valve quarterly.

BASIS FOR RELIEF:

The valve is normally aligned for safety injection with power removed, as required by McGuire Technical Specification 4.5.2. Cycling the valve with the plant in operation requires that the power be restored to the valve and moved from the event-initiation position. The valve is required for align-ment for hot-leg recirculation foll, wing an accident. It is not required to automatically actuate on initiation of a safety event.

The past test history of the valve is very good.

ALTERNATE TESTING: Cycle and time the valve at cold shutdown.

McGUIRE-UNIT 2 II.35-26b Revision 3

O MC-2562-3.1 l 3l VALVE
2.NI-173A CATEGORY: B CLASS: B FUNCTION:

Isolate Train A Residual Heat Removal to the cold legs.

TEST REQUIREMENT: Cycle and time valve quarterly.

BASIS FOR RELIEF: The valve is normally aligned for safety injection with J

power removed, as required by McGuire Technical Specification 4.5.2. Cycling the valve with the plant in operation requires that the power be restored to the valve and moved from the event-initiation position. The valve is required for alignment '

for hot-leg recirculation following an accident. It is not

! s required to automatically actuate on initiation of a safety event. The past test history of the valve is very good.

ALTERNATE TESTING: Cycle and time the valve at cold shutdown.

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'McGUIRE-UNIT 2 II.35-30a Revision 3

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9 3l MC-2562-3.1 l

3l VALVE: 2NI-178B CATEGORY: B CLASS: B FUNCTION:

Isolates Train B of Residual Heat Removal to the cold legs.

TEST LEQUIREMENT: Cycle and time valve quarterly.

BASIS FOR RELIEF:

The valve is normally aligned for safety injection with power removed, as required by McGuire Technical Specification 4.5.2. Cycling the valve with the plant in operation requires that the power be restored to the valve and moved from the event-initiation position. The valve is required for align-ment for hot-leg recirculation following an accident. It i not required to automatically actuate on initiation of a sa event.

The past test history of the valve is very good.

ALTERNATE TESTING: Cycle and time the valve at cold shutdown.

McGUIRE-UNIT 2 II.35-30b Revision 3 O

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3l MC-2 5 62-3.1 l

3l VALVE: 2NI-183B CATEGORY: B CLASS: B FUNCTION: Isolates ND flow to the hot legs.

TEST REQUIREMENT: Cycle and time valve quarterly.

BASIS FOR RELIEF: The valve is normally aligned for safety injection with power removed, as required by McGuire Technical Specification 4.5.2. Cycling the valve with the plant in operation requires that the power be restored to the valve and moved from the i event-initiation position. The valve is required for align-1 fg ment for hot-leg recirculation following an accident. It is not.

required to automatically actuate on initiation of a safety event

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) The past test history of the valve is very good.

ALTERNATE TESTING: Cycle and time the valve at cold shutdown.

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t McGUIRE-UNIT 2 II.35-30c Revision 3

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MC-2562-4.0 VALVE: 2NI-248, 2NI-249, 2NI-250, 2NI-251, 2NI-252, 2NI-253 CATEGORY: A, C CLASS: A FUNCTION: Open when Reactor Coolant System pressure decreases below 1500 psig during accident conditions.

TEST REQUIREMENT: Verify valves open on flow from upper head injection accumulator.

BASIS FOR RELIEF: The pressure in the UHI accumulator (1500 psig) is not sufficient to open the valves intc the Reactor Coolant System (2235 psig). At cold shutdown, the high velocity water could cause damage to reactor internals. This, also, could cause low temperature overpressurization.

ALTERNATE TESTING: Valves vill be full stroked at refueling by disassembly.

McGUIRE - UNIT 2 II.35-31

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